# Driver specific build vars
DRI_DIRS = @DRI_DIRS@
WINDOW_SYSTEM = @WINDOW_SYSTEM@
+EGL_DISPLAYS = @EGL_DISPLAYS@
USING_EGL = @USING_EGL@
# Dependencies
GALLIUM_WINSYS_DRM_DIRS =
GALLIUM_STATE_TRACKERS_DIRS = glx
+# native displays EGL should support
+EGL_DISPLAYS = x11
# Library dependencies
#EXTRA_LIB_PATH ?=
;;
esac
+AC_ARG_WITH([egl-displays],
+ [AS_HELP_STRING([--with-egl-displays@<:@=DIRS...@:>@],
+ [comma delimited native displays libEGL supports, e.g.
+ "x11" @<:@default=auto@:>@])],
+ [with_egl_displays="$withval"],
+ [with_egl_displays=yes])
+
+EGL_DISPLAYS=""
+case "$with_egl_displays" in
+yes)
+ if test "x$enable_egl" = xyes && test "x$mesa_driver" != xosmesa; then
+ EGL_DISPLAYS="x11"
+ fi
+ ;;
+*)
+ if test "x$enable_egl" != xyes; then
+ AC_MSG_ERROR([cannot build egl state tracker without EGL library])
+ fi
+ # verify the requested driver directories exist
+ egl_displays=`IFS=', '; echo $with_egl_displays`
+ for dpy in $egl_displays; do
+ test -d "$srcdir/src/gallium/state_trackers/egl_g3d/$dpy" || \
+ AC_MSG_ERROR([EGL display '$dpy' does't exist])
+ done
+ EGL_DISPLAYS="$egl_displays"
+ ;;
+esac
+AC_SUBST([EGL_DISPLAYS])
+
AC_ARG_WITH([xorg-driver-dir],
[AS_HELP_STRING([--with-xorg-driver-dir=DIR],
[Default xorg driver directory[[default=${libdir}/xorg/modules/drivers]]])],
--- /dev/null
+TOP = ../../../..
+include $(TOP)/configs/current
+
+common_INCLUDES = \
+ -I. \
+ -I$(TOP)/src/gallium/include \
+ -I$(TOP)/src/gallium/auxiliary \
+ -I$(TOP)/src/egl/main \
+ -I$(TOP)/include
+
+common_SOURCES = $(wildcard common/*.c)
+common_OBJECTS = $(common_SOURCES:.c=.o)
+
+
+x11_INCLUDES = \
+ -I$(TOP)/src/gallium/drivers \
+ -I$(TOP)/src/glx/x11 \
+ -I$(TOP)/src/mesa \
+ $(shell pkg-config --cflags-only-I libdrm)
+
+x11_SOURCES = $(wildcard x11/*.c) $(TOP)/src/glx/x11/dri2.c
+x11_OBJECTS = $(x11_SOURCES:.c=.o)
+
+
+kms_INCLUDES = $(shell pkg-config --cflags-only-I libdrm)
+kms_SOURCES = $(wildcard kms/*.c)
+kms_OBJECTS = $(kms_SOURCES:.c=.o)
+
+
+ALL_INCLUDES = $(common_INCLUDES) $(x11_INCLUDES) $(kms_INCLUDES)
+ALL_SOURCES = $(common_SOURCES) $(x11_SOURCES) $(kms_SOURCES)
+ALL_OBJECTS = $(common_OBJECTS) $(x11_OBJECTS) $(kms_OBJECTS)
+
+##### TARGETS #####
+
+EGL_DISPLAYS_MODS = $(foreach dpy, $(EGL_DISPLAYS), libegl$(dpy).a)
+
+default: depend $(EGL_DISPLAYS_MODS)
+
+
+libeglx11.a: $(x11_OBJECTS) $(common_OBJECTS) Makefile
+ $(MKLIB) -o eglx11 -static $(x11_OBJECTS) $(common_OBJECTS)
+
+libeglkms.a: $(kms_OBJECTS) $(common_OBJECTS) Makefile
+ $(MKLIB) -o eglkms -static $(kms_OBJECTS) $(common_OBJECTS)
+
+depend:
+ rm -f depend
+ touch depend
+ $(MKDEP) $(MKDEP_OPTIONS) $(ALL_INCLUDES) $(ALL_SOURCES) 2> /dev/null
+
+clean:
+ rm -f $(ALL_OBJECTS)
+ rm -f $(EGL_DISPLAYS_MODS)
+ rm -f depend depend.bak
+
+# Dummy target
+install:
+ @echo -n ""
+
+##### RULES #####
+
+$(common_OBJECTS): %.o: %.c
+ $(CC) -c $(common_INCLUDES) $(DEFINES) $(CFLAGS) $< -o $@
+
+$(x11_OBJECTS): %.o: %.c
+ $(CC) -c $(common_INCLUDES) $(x11_INCLUDES) $(DEFINES) $(CFLAGS) $< -o $@
+
+$(kms_OBJECTS): %.o: %.c
+ $(CC) -c $(common_INCLUDES) $(kms_INCLUDES) $(DEFINES) $(CFLAGS) $< -o $@
+
+sinclude depend
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <string.h>
+#include "util/u_memory.h"
+#include "egldriver.h"
+#include "eglcurrent.h"
+#include "eglconfigutil.h"
+#include "egllog.h"
+
+#include "native.h"
+#include "egl_g3d.h"
+#include "egl_st.h"
+
+/**
+ * Validate the draw/read surfaces of the context.
+ */
+static void
+egl_g3d_validate_context(_EGLDisplay *dpy, _EGLContext *ctx)
+{
+ struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+ struct pipe_screen *screen = gdpy->native->screen;
+ struct egl_g3d_context *gctx = egl_g3d_context(ctx);
+ EGLint num_surfaces;
+ EGLint s, i;
+
+ /* validate draw and/or read buffers */
+ num_surfaces = (gctx->base.ReadSurface == gctx->base.DrawSurface) ? 1 : 2;
+ for (s = 0; s < num_surfaces; s++) {
+ struct pipe_texture *textures[NUM_NATIVE_ATTACHMENTS];
+ struct egl_g3d_surface *gsurf;
+ struct egl_g3d_buffer *gbuf;
+
+ if (s == 0) {
+ gsurf = egl_g3d_surface(gctx->base.DrawSurface);
+ gbuf = &gctx->draw;
+ }
+ else {
+ gsurf = egl_g3d_surface(gctx->base.ReadSurface);
+ gbuf = &gctx->read;
+ }
+
+ if (!gctx->force_validate) {
+ EGLint cur_w, cur_h;
+
+ cur_w = gsurf->base.Width;
+ cur_h = gsurf->base.Height;
+ gsurf->native->validate(gsurf->native,
+ gbuf->native_atts, gbuf->num_atts,
+ NULL,
+ &gsurf->base.Width, &gsurf->base.Height);
+ /* validate only when the geometry changed */
+ if (gsurf->base.Width == cur_w && gsurf->base.Height == cur_h)
+ continue;
+ }
+
+ gsurf->native->validate(gsurf->native,
+ gbuf->native_atts, gbuf->num_atts,
+ (struct pipe_texture **) textures,
+ &gsurf->base.Width, &gsurf->base.Height);
+ for (i = 0; i < gbuf->num_atts; i++) {
+ struct pipe_texture *pt = textures[i];
+ struct pipe_surface *ps;
+
+ if (pt) {
+ ps = screen->get_tex_surface(screen, pt, 0, 0, 0,
+ PIPE_BUFFER_USAGE_GPU_READ |
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+ gctx->stapi->st_set_framebuffer_surface(gbuf->st_fb,
+ gbuf->st_atts[i], ps);
+
+ if (gbuf->native_atts[i] == gsurf->render_att)
+ pipe_surface_reference(&gsurf->render_surface, ps);
+
+ pipe_surface_reference(&ps, NULL);
+ pipe_texture_reference(&pt, NULL);
+ }
+ }
+
+ gctx->stapi->st_resize_framebuffer(gbuf->st_fb,
+ gsurf->base.Width, gsurf->base.Height);
+ }
+
+ gctx->force_validate = EGL_FALSE;
+
+}
+
+/**
+ * Create a st_framebuffer.
+ */
+static struct st_framebuffer *
+create_framebuffer(_EGLContext *ctx, _EGLSurface *surf)
+{
+ struct egl_g3d_context *gctx = egl_g3d_context(ctx);
+ struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+ struct egl_g3d_config *gconf = egl_g3d_config(gsurf->base.Config);
+
+ return gctx->stapi->st_create_framebuffer(&gconf->native->mode,
+ gconf->native->color_format, gconf->native->depth_format,
+ gconf->native->stencil_format,
+ gsurf->base.Width, gsurf->base.Height, &gsurf->base);
+}
+
+/**
+ * Update the attachments of draw/read surfaces.
+ */
+static void
+egl_g3d_route_context(_EGLDisplay *dpy, _EGLContext *ctx)
+{
+ struct egl_g3d_context *gctx = egl_g3d_context(ctx);
+ const uint st_att_map[NUM_NATIVE_ATTACHMENTS] = {
+ ST_SURFACE_FRONT_LEFT,
+ ST_SURFACE_BACK_LEFT,
+ ST_SURFACE_FRONT_RIGHT,
+ ST_SURFACE_BACK_RIGHT,
+ };
+ EGLint s, i;
+
+ /* route draw and read buffers' attachments */
+ for (s = 0; s < 2; s++) {
+ struct egl_g3d_surface *gsurf;
+ struct egl_g3d_buffer *gbuf;
+
+ if (s == 0) {
+ gsurf = egl_g3d_surface(gctx->base.DrawSurface);
+ gbuf = &gctx->draw;
+ }
+ else {
+ gsurf = egl_g3d_surface(gctx->base.ReadSurface);
+ gbuf = &gctx->read;
+ }
+
+ gbuf->native_atts[0] = gsurf->render_att;
+ gbuf->num_atts = 1;
+
+ for (i = 0; i < gbuf->num_atts; i++)
+ gbuf->st_atts[i] = st_att_map[gbuf->native_atts[i]];
+
+ /* FIXME OpenGL defaults to draw the front or back buffer when the
+ * context is single-buffered or double-buffered respectively. In EGL,
+ * however, the buffer to be drawn is determined by the surface, instead
+ * of the context. As a result, rendering to a pixmap surface with a
+ * double-buffered context does not work as expected.
+ *
+ * gctx->stapi->st_draw_front_buffer(gctx->st_ctx, natt ==
+ * NATIVE_ATTACHMENT_FRONT_LEFT);
+ */
+
+ /*
+ * FIXME If the back buffer is asked for here, and the front buffer is
+ * later needed by the client API (e.g. glDrawBuffer is called to draw
+ * the front buffer), it will create a new pipe texture and draw there.
+ * One fix is to ask for both buffers here, but it would be a waste if
+ * the front buffer is never used. A better fix is to add a callback to
+ * the pipe screen with context private (just like flush_frontbuffer).
+ */
+ }
+}
+
+/**
+ * Reallocate the context's framebuffers after draw/read surfaces change.
+ */
+static EGLBoolean
+egl_g3d_realloc_context(_EGLDisplay *dpy, _EGLContext *ctx)
+{
+ struct egl_g3d_context *gctx = egl_g3d_context(ctx);
+ struct egl_g3d_surface *gdraw = egl_g3d_surface(gctx->base.DrawSurface);
+ struct egl_g3d_surface *gread = egl_g3d_surface(gctx->base.ReadSurface);
+
+ /* unreference the old framebuffers */
+ if (gctx->draw.st_fb) {
+ EGLBoolean is_equal = (gctx->draw.st_fb == gctx->read.st_fb);
+ void *priv;
+
+ priv = gctx->stapi->st_framebuffer_private(gctx->draw.st_fb);
+ if (!gdraw || priv != (void *) &gdraw->base) {
+ gctx->stapi->st_unreference_framebuffer(gctx->draw.st_fb);
+ gctx->draw.st_fb = NULL;
+ gctx->draw.num_atts = 0;
+ }
+
+ if (is_equal) {
+ gctx->read.st_fb = NULL;
+ gctx->draw.num_atts = 0;
+ }
+ else {
+ priv = gctx->stapi->st_framebuffer_private(gctx->read.st_fb);
+ if (!gread || priv != (void *) &gread->base) {
+ gctx->stapi->st_unreference_framebuffer(gctx->read.st_fb);
+ gctx->read.st_fb = NULL;
+ gctx->draw.num_atts = 0;
+ }
+ }
+ }
+
+ if (!gdraw)
+ return EGL_TRUE;
+
+ /* create the draw fb */
+ if (!gctx->draw.st_fb) {
+ gctx->draw.st_fb = create_framebuffer(&gctx->base, &gdraw->base);
+ if (!gctx->draw.st_fb)
+ return EGL_FALSE;
+ }
+
+ /* create the read fb */
+ if (!gctx->read.st_fb) {
+ if (gread != gdraw) {
+ gctx->read.st_fb = create_framebuffer(&gctx->base, &gread->base);
+ if (!gctx->read.st_fb) {
+ gctx->stapi->st_unreference_framebuffer(gctx->draw.st_fb);
+ gctx->draw.st_fb = NULL;
+ return EGL_FALSE;
+ }
+ }
+ else {
+ /* there is no st_reference_framebuffer... */
+ gctx->read.st_fb = gctx->draw.st_fb;
+ }
+ }
+
+ egl_g3d_route_context(dpy, &gctx->base);
+ gctx->force_validate = EGL_TRUE;
+
+ return EGL_TRUE;
+}
+
+/**
+ * Return the current context of the given API.
+ */
+static struct egl_g3d_context *
+egl_g3d_get_current_context(EGLint api)
+{
+ _EGLThreadInfo *t = _eglGetCurrentThread();
+ EGLint api_index = _eglConvertApiToIndex(api);
+ return egl_g3d_context(t->CurrentContexts[api_index]);
+}
+
+/**
+ * Return the state tracker for the given context.
+ */
+static const struct egl_g3d_st *
+egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx)
+{
+ struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
+ const struct egl_g3d_st *stapi;
+ EGLint idx = -1;
+
+ switch (ctx->ClientAPI) {
+ case EGL_OPENGL_ES_API:
+ switch (ctx->ClientVersion) {
+ case 1:
+ idx = EGL_G3D_ST_OPENGL_ES;
+ break;
+ case 2:
+ idx = EGL_G3D_ST_OPENGL_ES2;
+ break;
+ default:
+ _eglLog(_EGL_WARNING, "unknown client version %d",
+ ctx->ClientVersion);
+ break;
+ }
+ break;
+ case EGL_OPENVG_API:
+ idx = EGL_G3D_ST_OPENVG;
+ break;
+ case EGL_OPENGL_API:
+ idx = EGL_G3D_ST_OPENGL;
+ break;
+ default:
+ _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI);
+ break;
+ }
+
+ stapi = (idx >= 0) ? gdrv->stapis[idx] : NULL;
+ return stapi;
+}
+
+/**
+ * Return an API mask that consists of the state trackers that supports the
+ * given mode.
+ *
+ * FIXME add st_is_mode_supported()?
+ */
+static EGLint
+get_mode_api_mask(const __GLcontextModes *mode, EGLint api_mask)
+{
+ EGLint check;
+
+ /* OpenGL ES 1.x and 2.x are checked together */
+ check = EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT;
+ if (api_mask & check) {
+ /* this is required by EGL, not by OpenGL ES */
+ if (mode->drawableType & GLX_WINDOW_BIT && !mode->doubleBufferMode)
+ api_mask &= ~check;
+ }
+
+ check = EGL_OPENVG_BIT;
+ if (api_mask & check) {
+ /* vega st needs the depth/stencil rb */
+ if (!mode->depthBits && !mode->stencilBits)
+ api_mask &= ~check;
+ }
+
+ return api_mask;
+}
+
+/**
+ * Add configs to display and return the next config ID.
+ */
+static EGLint
+egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id)
+{
+ struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
+ struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+ const struct native_config **native_configs;
+ int num_configs, i;
+
+ native_configs = gdpy->native->get_configs(gdpy->native,
+ &num_configs);
+ if (!num_configs) {
+ if (native_configs)
+ free(native_configs);
+ return id;
+ }
+
+ for (i = 0; i < num_configs; i++) {
+ EGLint api_mask;
+ struct egl_g3d_config *gconf;
+ EGLBoolean valid;
+
+ api_mask = get_mode_api_mask(&native_configs[i]->mode, gdrv->api_mask);
+ if (!api_mask) {
+ _eglLog(_EGL_DEBUG, "no state tracker supports config 0x%x",
+ native_configs[i]->mode.visualID);
+ continue;
+ }
+
+ gconf = CALLOC_STRUCT(egl_g3d_config);
+ if (!gconf)
+ continue;
+
+ _eglInitConfig(&gconf->base, id);
+ valid = _eglConfigFromContextModesRec(&gconf->base,
+ &native_configs[i]->mode, api_mask, api_mask);
+ if (valid)
+ valid = _eglValidateConfig(&gconf->base, EGL_FALSE);
+ if (!valid) {
+ _eglLog(_EGL_DEBUG, "skip invalid config 0x%x",
+ native_configs[i]->mode.visualID);
+ free(gconf);
+ continue;
+ }
+
+ gconf->native = native_configs[i];
+ _eglAddConfig(dpy, &gconf->base);
+ id++;
+ }
+
+ free(native_configs);
+ return id;
+}
+
+/**
+ * Flush the front buffer of the context's draw surface.
+ */
+static void
+egl_g3d_flush_frontbuffer(void *dummy, struct pipe_surface *surf,
+ void *context_private)
+{
+ struct egl_g3d_context *gctx = egl_g3d_context(context_private);
+ struct egl_g3d_surface *gsurf = egl_g3d_surface(gctx->base.DrawSurface);
+
+ if (gsurf) {
+ gsurf->native->flush_frontbuffer(gsurf->native);
+ egl_g3d_validate_context(gctx->base.Display, &gctx->base);
+ }
+}
+
+static EGLBoolean
+egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy)
+{
+ struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+
+ _eglReleaseDisplayResources(drv, dpy);
+ _eglCleanupDisplay(dpy);
+
+ if (gdpy->native)
+ gdpy->native->destroy(gdpy->native);
+
+ free(gdpy);
+ dpy->DriverData = NULL;
+
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy,
+ EGLint *major, EGLint *minor)
+{
+ struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
+ struct egl_g3d_display *gdpy;
+
+ gdpy = CALLOC_STRUCT(egl_g3d_display);
+ if (!gdpy) {
+ _eglError(EGL_BAD_ALLOC, "eglInitialize");
+ goto fail;
+ }
+ dpy->DriverData = gdpy;
+
+ gdpy->native =
+ native_create_display(dpy->NativeDisplay, egl_g3d_flush_frontbuffer);
+ if (!gdpy->native) {
+ _eglError(EGL_NOT_INITIALIZED, "eglInitialize(no usable display)");
+ goto fail;
+ }
+
+ dpy->ClientAPIsMask = gdrv->api_mask;
+
+ if (egl_g3d_add_configs(drv, dpy, 1) == 1) {
+ _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)");
+ goto fail;
+ }
+
+ *major = 1;
+ *minor = 4;
+
+ return EGL_TRUE;
+
+fail:
+ if (gdpy)
+ egl_g3d_terminate(drv, dpy);
+ return EGL_FALSE;
+}
+
+static _EGLContext *
+egl_g3d_create_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
+ _EGLContext *share, const EGLint *attribs)
+{
+ struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+ struct egl_g3d_context *xshare = egl_g3d_context(share);
+ struct egl_g3d_config *gconf = egl_g3d_config(conf);
+ struct egl_g3d_context *gctx;
+ const __GLcontextModes *mode;
+
+ gctx = CALLOC_STRUCT(egl_g3d_context);
+ if (!gctx) {
+ _eglError(EGL_BAD_ALLOC, "eglCreateContext");
+ return NULL;
+ }
+
+ if (!_eglInitContext(drv, &gctx->base, conf, attribs)) {
+ free(gctx);
+ return NULL;
+ }
+
+ gctx->stapi = egl_g3d_choose_st(drv, &gctx->base);
+ if (!gctx->stapi) {
+ free(gctx);
+ return NULL;
+ }
+
+ mode = &gconf->native->mode;
+ gctx->pipe =
+ gdpy->native->create_context(gdpy->native, (void *) &gctx->base);
+ gctx->st_ctx = gctx->stapi->st_create_context(gctx->pipe, mode,
+ (xshare) ? xshare->st_ctx : NULL);
+
+ return &gctx->base;
+}
+
+static EGLBoolean
+egl_g3d_destroy_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
+{
+ struct egl_g3d_context *gctx = egl_g3d_context(ctx);
+
+ if (_eglIsContextBound(&gctx->base))
+ return EGL_TRUE;
+
+ egl_g3d_realloc_context(dpy, &gctx->base);
+
+ /* it will destroy pipe context */
+ gctx->stapi->st_destroy_context(gctx->st_ctx);
+
+ free(gctx);
+
+ return EGL_TRUE;
+}
+
+static _EGLSurface *
+egl_g3d_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLConfig *conf, EGLNativeWindowType win,
+ const EGLint *attribs)
+{
+ struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+ struct egl_g3d_config *gconf = egl_g3d_config(conf);
+ struct egl_g3d_surface *gsurf;
+
+ gsurf = CALLOC_STRUCT(egl_g3d_surface);
+ if (!gsurf) {
+ _eglError(EGL_BAD_ALLOC, "eglCreateWindowSurface");
+ return NULL;
+ }
+
+ if (!_eglInitSurface(drv, &gsurf->base, EGL_WINDOW_BIT, conf, attribs)) {
+ free(gsurf);
+ return NULL;
+ }
+
+ gsurf->native =
+ gdpy->native->create_window_surface(gdpy->native, win, gconf->native);
+ if (!gsurf->native) {
+ free(gsurf);
+ return NULL;
+ }
+
+ if (!gsurf->native->validate(gsurf->native, NULL, 0, NULL,
+ &gsurf->base.Width, &gsurf->base.Height)) {
+ gsurf->native->destroy(gsurf->native);
+ free(gsurf);
+ return NULL;
+ }
+
+ gsurf->render_att = (gsurf->base.RenderBuffer == EGL_SINGLE_BUFFER ||
+ !gconf->native->mode.doubleBufferMode) ?
+ NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT;
+
+ return &gsurf->base;
+}
+
+static _EGLSurface *
+egl_g3d_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLConfig *conf, EGLNativePixmapType pix,
+ const EGLint *attribs)
+{
+ struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+ struct egl_g3d_config *gconf = egl_g3d_config(conf);
+ struct egl_g3d_surface *gsurf;
+
+ gsurf = CALLOC_STRUCT(egl_g3d_surface);
+ if (!gsurf) {
+ _eglError(EGL_BAD_ALLOC, "eglCreatePixmapSurface");
+ return NULL;
+ }
+
+ if (!_eglInitSurface(drv, &gsurf->base, EGL_PIXMAP_BIT, conf, attribs)) {
+ free(gsurf);
+ return NULL;
+ }
+
+ gsurf->native =
+ gdpy->native->create_pixmap_surface(gdpy->native, pix, gconf->native);
+ if (!gsurf->native) {
+ free(gsurf);
+ return NULL;
+ }
+
+ if (!gsurf->native->validate(gsurf->native, NULL, 0, NULL,
+ &gsurf->base.Width, &gsurf->base.Height)) {
+ gsurf->native->destroy(gsurf->native);
+ free(gsurf);
+ return NULL;
+ }
+
+ gsurf->render_att = NATIVE_ATTACHMENT_FRONT_LEFT;
+
+ return &gsurf->base;
+}
+
+static _EGLSurface *
+egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLConfig *conf, const EGLint *attribs)
+{
+ struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+ struct egl_g3d_config *gconf = egl_g3d_config(conf);
+ struct egl_g3d_surface *gsurf;
+
+ gsurf = CALLOC_STRUCT(egl_g3d_surface);
+ if (!gsurf) {
+ _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface");
+ return NULL;
+ }
+
+ if (!_eglInitSurface(drv, &gsurf->base, EGL_PBUFFER_BIT, conf, attribs)) {
+ free(gsurf);
+ return NULL;
+ }
+
+ gsurf->native =
+ gdpy->native->create_pbuffer_surface(gdpy->native, gconf->native,
+ gsurf->base.Width, gsurf->base.Height);
+ if (!gsurf->native) {
+ free(gsurf);
+ return NULL;
+ }
+
+ gsurf->render_att = (!gconf->native->mode.doubleBufferMode) ?
+ NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT;
+
+ return &gsurf->base;
+}
+
+static EGLBoolean
+egl_g3d_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
+{
+ struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+
+ if (_eglIsSurfaceBound(&gsurf->base))
+ return EGL_TRUE;
+
+ pipe_surface_reference(&gsurf->render_surface, NULL);
+ gsurf->native->destroy(gsurf->native);
+ free(gsurf);
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+egl_g3d_make_current(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx)
+{
+ struct egl_g3d_context *gctx = egl_g3d_context(ctx);
+ struct egl_g3d_context *old_gctx;
+ EGLint api;
+ EGLBoolean ok = EGL_TRUE;
+
+ /* find the old context */
+ api = (gctx) ? gctx->base.ClientAPI : eglQueryAPI();
+ old_gctx = egl_g3d_get_current_context(api);
+ if (old_gctx && !_eglIsContextLinked(&old_gctx->base))
+ old_gctx = NULL;
+
+ if (!_eglMakeCurrent(drv, dpy, draw, read, ctx))
+ return EGL_FALSE;
+
+ if (old_gctx) {
+ /* flush old context */
+ old_gctx->stapi->st_flush(old_gctx->st_ctx,
+ PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
+
+ /*
+ * The old context is no longer current, and egl_g3d_realloc_context()
+ * should be called to destroy the framebuffers. However, it is possible
+ * that it will be made current again with the same draw/read surfaces.
+ * It might be better to keep it around.
+ */
+ }
+
+ if (gctx) {
+ struct egl_g3d_surface *gdraw = egl_g3d_surface(draw);
+
+ ok = egl_g3d_realloc_context(dpy, &gctx->base);
+ if (ok) {
+ ok = gctx->stapi->st_make_current(gctx->st_ctx,
+ gctx->draw.st_fb, gctx->read.st_fb);
+ if (ok) {
+ egl_g3d_validate_context(dpy, &gctx->base);
+ if (gdraw->base.Type == EGL_WINDOW_BIT) {
+ gctx->base.WindowRenderBuffer =
+ (gdraw->render_att == NATIVE_ATTACHMENT_FRONT_LEFT) ?
+ EGL_SINGLE_BUFFER : EGL_BACK_BUFFER;
+ }
+ }
+ }
+ }
+ else if (old_gctx) {
+ ok = old_gctx->stapi->st_make_current(NULL, NULL, NULL);
+ old_gctx->base.WindowRenderBuffer = EGL_NONE;
+ }
+
+ return ok;
+}
+
+static EGLBoolean
+egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
+{
+ struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+ _EGLContext *ctx = _eglGetCurrentContext();
+ struct egl_g3d_context *gctx = NULL;
+
+ /* no-op for pixmap or pbuffer surface */
+ if (gsurf->base.Type == EGL_PIXMAP_BIT ||
+ gsurf->base.Type == EGL_PBUFFER_BIT)
+ return EGL_TRUE;
+
+ /* or when the surface is single-buffered */
+ if (gsurf->render_att == NATIVE_ATTACHMENT_FRONT_LEFT)
+ return EGL_TRUE;
+
+ if (ctx && ctx->DrawSurface == surf)
+ gctx = egl_g3d_context(ctx);
+
+ /* flush if the surface is current */
+ if (gctx)
+ gctx->stapi->st_notify_swapbuffers(gctx->draw.st_fb);
+
+ /*
+ * We drew on the back buffer, unless there was no back buffer.
+ * In that case, we drew on the front buffer. Either case, we call
+ * swap_buffers.
+ */
+ if (!gsurf->native->swap_buffers(gsurf->native))
+ return EGL_FALSE;
+
+ if (gctx) {
+ struct egl_g3d_config *gconf = egl_g3d_config(gsurf->base.Config);
+
+ /* force validation if the swap method is not copy */
+ if (gconf->native->mode.swapMethod != GLX_SWAP_COPY_OML)
+ gctx->force_validate = EGL_TRUE;
+ egl_g3d_validate_context(dpy, &gctx->base);
+ }
+
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
+{
+ struct egl_g3d_context *gctx = egl_g3d_context(ctx);
+ gctx->stapi->st_finish(gctx->st_ctx);
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+egl_g3d_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
+{
+ _EGLSurface *surf = _eglGetCurrentSurface(EGL_DRAW);
+ struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+
+ if (engine != EGL_CORE_NATIVE_ENGINE)
+ return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
+
+ if (gsurf)
+ gsurf->native->wait(gsurf->native);
+
+ return EGL_TRUE;
+}
+
+static _EGLProc
+egl_g3d_get_proc_address(const char *procname)
+{
+ /* FIXME how come _EGLDriver is not passed? */
+ const struct egl_g3d_st *stapi;
+ _EGLProc proc;
+ EGLint i;
+
+ for (i = 0; i < NUM_EGL_G3D_STS; i++) {
+ stapi = egl_g3d_get_st(i);
+ if (stapi) {
+ proc = (_EGLProc) stapi->st_get_proc_address(procname);
+ if (proc)
+ return proc;
+ }
+ }
+
+ return (_EGLProc) NULL;
+}
+
+static EGLBoolean
+egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLSurface *surf, EGLint buffer)
+{
+ struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+ struct egl_g3d_context *gctx;
+ enum pipe_format target_format;
+ int target;
+
+ if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT)
+ return _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
+ if (buffer != EGL_BACK_BUFFER)
+ return _eglError(EGL_BAD_PARAMETER, "eglBindTexImage");
+ if (gsurf->base.BoundToTexture)
+ return _eglError(EGL_BAD_ACCESS, "eglBindTexImage");
+
+ switch (gsurf->base.TextureFormat) {
+ case EGL_TEXTURE_RGB:
+ target_format = PIPE_FORMAT_R8G8B8_UNORM;
+ break;
+ case EGL_TEXTURE_RGBA:
+ target_format = PIPE_FORMAT_A8R8G8B8_UNORM;
+ break;
+ default:
+ return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
+ }
+
+ switch (gsurf->base.TextureTarget) {
+ case EGL_TEXTURE_2D:
+ target = ST_TEXTURE_2D;
+ break;
+ default:
+ return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
+ }
+
+ /* flush properly if the surface is bound */
+ if (gsurf->base.Binding) {
+ gctx = egl_g3d_context(gsurf->base.Binding);
+ gctx->stapi->st_flush(gctx->st_ctx,
+ PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
+ }
+
+ /* XXX change to EGL_OPENGL_ES_API once OpenGL ES is merged */
+ gctx = egl_g3d_get_current_context(EGL_OPENGL_API);
+ if (gctx) {
+ if (!gsurf->render_surface)
+ return EGL_FALSE;
+
+ gctx->stapi->st_bind_texture_surface(gsurf->render_surface,
+ target, gsurf->base.MipmapLevel, target_format);
+ gsurf->base.BoundToTexture = EGL_TRUE;
+ }
+
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+egl_g3d_release_tex_image(_EGLDriver *drv, _EGLDisplay *dpy,
+ _EGLSurface *surf, EGLint buffer)
+{
+ struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
+
+ if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT ||
+ !gsurf->base.BoundToTexture)
+ return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
+ if (buffer != EGL_BACK_BUFFER)
+ return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage");
+
+ if (gsurf->render_surface) {
+ _EGLThreadInfo *t = _eglGetCurrentThread();
+ /* XXX change to EGL_OPENGL_ES_API once OpenGL ES is merged */
+ struct egl_g3d_context *gctx = egl_g3d_context(
+ t->CurrentContexts[_eglConvertApiToIndex(EGL_OPENGL_API)]);
+
+ /* what if the context the surface binds to is no longer current? */
+ if (gctx)
+ gctx->stapi->st_unbind_texture_surface(gsurf->render_surface,
+ ST_TEXTURE_2D, gsurf->base.MipmapLevel);
+ }
+
+ gsurf->base.BoundToTexture = EGL_FALSE;
+
+ return EGL_TRUE;
+}
+
+static void
+egl_g3d_unload(_EGLDriver *drv)
+{
+ struct egl_g3d_driver *gdrv = egl_g3d_driver(drv);
+ free(gdrv);
+}
+
+_EGLDriver *
+_eglMain(const char *args)
+{
+ static char driver_name[64];
+ struct egl_g3d_driver *gdrv;
+ EGLint i;
+
+ snprintf(driver_name, sizeof(driver_name),
+ "Gallium/%s", native_get_name());
+
+ gdrv = CALLOC_STRUCT(egl_g3d_driver);
+ if (!gdrv)
+ return NULL;
+
+ _eglInitDriverFallbacks(&gdrv->base);
+
+ gdrv->base.API.Initialize = egl_g3d_initialize;
+ gdrv->base.API.Terminate = egl_g3d_terminate;
+ gdrv->base.API.CreateContext = egl_g3d_create_context;
+ gdrv->base.API.DestroyContext = egl_g3d_destroy_context;
+ gdrv->base.API.CreateWindowSurface = egl_g3d_create_window_surface;
+ gdrv->base.API.CreatePixmapSurface = egl_g3d_create_pixmap_surface;
+ gdrv->base.API.CreatePbufferSurface = egl_g3d_create_pbuffer_surface;
+ gdrv->base.API.DestroySurface = egl_g3d_destroy_surface;
+ gdrv->base.API.MakeCurrent = egl_g3d_make_current;
+ gdrv->base.API.SwapBuffers = egl_g3d_swap_buffers;
+ gdrv->base.API.WaitClient = egl_g3d_wait_client;
+ gdrv->base.API.WaitNative = egl_g3d_wait_native;
+ gdrv->base.API.GetProcAddress = egl_g3d_get_proc_address;
+
+ gdrv->base.API.BindTexImage = egl_g3d_bind_tex_image;
+ gdrv->base.API.ReleaseTexImage = egl_g3d_release_tex_image;
+
+ gdrv->base.Name = driver_name;
+ gdrv->base.Unload = egl_g3d_unload;
+
+ for (i = 0; i < NUM_EGL_G3D_STS; i++) {
+ gdrv->stapis[i] = egl_g3d_get_st(i);
+ if (gdrv->stapis[i])
+ gdrv->api_mask |= gdrv->stapis[i]->api_bit;
+ }
+
+ if (gdrv->api_mask)
+ _eglLog(_EGL_DEBUG, "Driver API mask: 0x%x", gdrv->api_mask);
+ else
+ _eglLog(_EGL_WARNING, "No supported client API");
+
+ return &gdrv->base;
+}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _EGL_G3D_H_
+#define _EGL_G3D_H_
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_format.h"
+#include "egldriver.h"
+#include "egldisplay.h"
+#include "eglcontext.h"
+#include "eglsurface.h"
+#include "eglconfig.h"
+
+#include "native.h"
+#include "egl_st.h"
+
+struct egl_g3d_driver {
+ _EGLDriver base;
+ const struct egl_g3d_st *stapis[NUM_EGL_G3D_STS];
+ EGLint api_mask;
+};
+
+struct egl_g3d_display {
+ struct native_display *native;
+};
+
+struct egl_g3d_buffer {
+ struct st_framebuffer *st_fb;
+ EGLint num_atts;
+ enum native_attachment native_atts[NUM_NATIVE_ATTACHMENTS];
+ uint st_atts[NUM_NATIVE_ATTACHMENTS];
+};
+
+struct egl_g3d_context {
+ _EGLContext base;
+
+ const struct egl_g3d_st *stapi;
+ struct pipe_context *pipe;
+
+ struct st_context *st_ctx;
+ EGLBoolean force_validate;
+ struct egl_g3d_buffer draw, read;
+};
+
+struct egl_g3d_surface {
+ _EGLSurface base;
+ struct native_surface *native;
+ enum native_attachment render_att;
+ struct pipe_surface *render_surface;
+};
+
+struct egl_g3d_config {
+ _EGLConfig base;
+ const struct native_config *native;
+};
+
+
+static INLINE struct egl_g3d_driver *
+egl_g3d_driver(_EGLDriver *drv)
+{
+ return (struct egl_g3d_driver *) drv;
+}
+
+static INLINE struct egl_g3d_display *
+egl_g3d_display(_EGLDisplay *dpy)
+{
+ /* note that it is not direct casting */
+ return (struct egl_g3d_display *) dpy->DriverData;
+}
+
+static INLINE struct egl_g3d_context *
+egl_g3d_context(_EGLContext *ctx)
+{
+ return (struct egl_g3d_context *) ctx;
+}
+
+static INLINE struct egl_g3d_surface *
+egl_g3d_surface(_EGLSurface *surf)
+{
+ return (struct egl_g3d_surface *) surf;
+}
+
+static INLINE struct egl_g3d_config *
+egl_g3d_config(_EGLConfig *conf)
+{
+ return (struct egl_g3d_config *) conf;
+}
+
+#endif /* _EGL_G3D_H_ */
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <dlfcn.h>
+#include "pipe/p_compiler.h"
+#include "util/u_memory.h"
+#include "egllog.h"
+#include "EGL/egl.h" /* for EGL_api_BIT */
+
+#include "egl_st.h"
+
+#ifndef HAVE_DLADDR
+#define HAVE_DLADDR 1
+#endif
+
+#if HAVE_DLADDR
+
+static const char *
+egl_g3d_st_names[] = {
+#define ST_PUBLIC(name, ...) #name,
+#include "st_public_tmp.h"
+ NULL
+};
+
+static boolean
+egl_g3d_fill_st(struct egl_g3d_st *stapi, void *sym)
+{
+ st_proc *procs = (st_proc *) stapi;
+ void *handle;
+ Dl_info info;
+ const char **name;
+
+ if (!dladdr(sym, &info))
+ return FALSE;
+ handle = dlopen(info.dli_fname, RTLD_LAZY | RTLD_LOCAL | RTLD_NODELETE);
+ if (!handle)
+ return FALSE;
+
+ for (name = egl_g3d_st_names; *name; name++) {
+ st_proc proc = (st_proc) dlsym(handle, *name);
+ if (!proc) {
+ _eglLog(_EGL_WARNING, "%s is missing in %s", *name, info.dli_fname);
+ memset(stapi, 0, sizeof(*stapi));
+ dlclose(handle);
+ return FALSE;
+ }
+ *procs++ = proc;
+ }
+
+ dlclose(handle);
+ return TRUE;
+}
+
+#else /* HAVE_DLADDR */
+
+static boolean
+egl_g3d_fill_st(struct egl_g3d_st *stapi, void *sym)
+{
+#define ST_PUBLIC(name, ...) stapi->name = name;
+#include "st_public_tmp.h"
+ return TRUE;
+}
+
+#endif /* HAVE_DLADDR */
+
+static boolean
+egl_g3d_init_st(struct egl_g3d_st *stapi, const char *api)
+{
+ void *handle, *sym;
+ boolean res = FALSE;
+
+ /* already initialized */
+ if (stapi->st_notify_swapbuffers != NULL)
+ return TRUE;
+
+ handle = dlopen(NULL, RTLD_LAZY | RTLD_LOCAL);
+ if (!handle)
+ return FALSE;
+
+ sym = dlsym(handle, api);
+ if (sym && egl_g3d_fill_st(stapi, sym))
+ res = TRUE;
+
+ dlclose(handle);
+ return res;
+}
+
+static struct {
+ const char *symbol;
+ EGLint api_bit;
+} egl_g3d_st_info[NUM_EGL_G3D_STS] = {
+ { "st_api_OpenGL_ES1", EGL_OPENGL_ES_BIT },
+ { "st_api_OpenVG", EGL_OPENVG_BIT },
+ { "st_api_OpenGL_ES2", EGL_OPENGL_ES2_BIT },
+ { "st_api_OpenGL", EGL_OPENGL_BIT },
+};
+
+const struct egl_g3d_st *
+egl_g3d_get_st(enum egl_g3d_st_api api)
+{
+ static struct egl_g3d_st all_trackers[NUM_EGL_G3D_STS];
+
+ if (egl_g3d_init_st(&all_trackers[api], egl_g3d_st_info[api].symbol)) {
+ all_trackers[api].api_bit = egl_g3d_st_info[api].api_bit;
+ return &all_trackers[api];
+ }
+ else {
+ return NULL;
+ }
+}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _EGL_ST_H_
+#define _EGL_ST_H_
+
+#include "GL/gl.h" /* for GL types */
+#include "GL/internal/glcore.h" /* for __GLcontextModes */
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_format.h"
+#include "pipe/p_context.h"
+
+/* avoid calling st functions directly */
+#if 1
+
+#define ST_SURFACE_FRONT_LEFT 0
+#define ST_SURFACE_BACK_LEFT 1
+#define ST_SURFACE_FRONT_RIGHT 2
+#define ST_SURFACE_BACK_RIGHT 3
+
+#define ST_TEXTURE_2D 0x2
+
+struct st_context;
+struct st_framebuffer;
+typedef void (*st_proc)();
+
+#else
+#include "state_tracker/st_public.h"
+#endif
+
+/* remember to update egl_g3d_get_st() when update the enums */
+enum egl_g3d_st_api {
+ EGL_G3D_ST_OPENGL_ES = 0,
+ EGL_G3D_ST_OPENVG,
+ EGL_G3D_ST_OPENGL_ES2,
+ EGL_G3D_ST_OPENGL,
+
+ NUM_EGL_G3D_STS
+};
+
+struct egl_g3d_st {
+#define ST_PUBLIC(name, ret, ...) ret (*name)(__VA_ARGS__);
+#include "st_public_tmp.h"
+ /* fields must be added here */
+ EGLint api_bit;
+};
+
+const struct egl_g3d_st *
+egl_g3d_get_st(enum egl_g3d_st_api api);
+
+#endif /* _EGL_ST_H_ */
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _NATIVE_H_
+#define _NATIVE_H_
+
+#include "EGL/egl.h" /* for EGL native types */
+#include "GL/gl.h" /* for GL types needed by __GLcontextModes */
+#include "GL/internal/glcore.h" /* for __GLcontextModes */
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+
+/**
+ * Only color buffers are listed. The others are allocated privately through,
+ * for example, st_renderbuffer_alloc_storage().
+ */
+enum native_attachment {
+ NATIVE_ATTACHMENT_FRONT_LEFT,
+ NATIVE_ATTACHMENT_BACK_LEFT,
+ NATIVE_ATTACHMENT_FRONT_RIGHT,
+ NATIVE_ATTACHMENT_BACK_RIGHT,
+
+ NUM_NATIVE_ATTACHMENTS
+};
+
+struct native_surface {
+ void (*destroy)(struct native_surface *nsurf);
+
+ /**
+ * Swap the front and back buffers so that the back buffer is visible. It
+ * is no-op if the surface is single-buffered. The contents of the back
+ * buffer after swapping may or may not be preserved.
+ */
+ boolean (*swap_buffers)(struct native_surface *nsurf);
+
+ /**
+ * Make the front buffer visible. In some native displays, changes to the
+ * front buffer might not be visible immediately and require manual flush.
+ */
+ boolean (*flush_frontbuffer)(struct native_surface *nsurf);
+
+ /**
+ * Validate the buffers of the surface. Those not listed in the attachments
+ * will be destroyed. The returned textures are owned by the caller.
+ */
+ boolean (*validate)(struct native_surface *nsurf,
+ const enum native_attachment *natts,
+ unsigned num_natts,
+ struct pipe_texture **textures,
+ int *width, int *height);
+
+ /**
+ * Wait until all native commands affecting the surface has been executed.
+ */
+ void (*wait)(struct native_surface *nsurf);
+};
+
+struct native_config {
+ __GLcontextModes mode;
+ enum pipe_format color_format;
+ enum pipe_format depth_format;
+ enum pipe_format stencil_format;
+};
+
+/**
+ * A pipe winsys abstracts the OS. A pipe screen abstracts the graphcis
+ * hardware. A native display consists of a pipe winsys, a pipe screen, and
+ * the native display server.
+ */
+struct native_display {
+ struct pipe_screen *screen;
+ void (*destroy)(struct native_display *ndpy);
+
+ /**
+ * Get the supported configs. The configs are owned by the display, but
+ * the returned array should be free()ed.
+ *
+ * The configs will be converted to EGL config by
+ * _eglConfigFromContextModesRec and validated by _eglValidateConfig.
+ * Those failing to pass the test will be skipped.
+ */
+ const struct native_config **(*get_configs)(struct native_display *ndpy,
+ int *num_configs);
+
+ /**
+ * Create a pipe context.
+ */
+ struct pipe_context *(*create_context)(struct native_display *ndpy,
+ void *context_private);
+
+ /**
+ * Create a window surface. Required unless no config has GLX_WINDOW_BIT
+ * set.
+ */
+ struct native_surface *(*create_window_surface)(struct native_display *ndpy,
+ EGLNativeWindowType win,
+ const struct native_config *nconf);
+
+ /**
+ * Create a pixmap surface. Required unless no config has GLX_PIXMAP_BIT
+ * set.
+ */
+ struct native_surface *(*create_pixmap_surface)(struct native_display *ndpy,
+ EGLNativePixmapType pix,
+ const struct native_config *nconf);
+
+ /**
+ * Create a pbuffer surface. Required unless no config has GLX_PBUFFER_BIT
+ * set.
+ */
+ struct native_surface *(*create_pbuffer_surface)(struct native_display *ndpy,
+ const struct native_config *nconf,
+ uint width, uint height);
+
+#if 0
+ struct native_mode *(*get_modes)(struct native_display *ndpy,
+ int *num_modes);
+
+ /**
+ * Create a screen surface.
+ */
+ struct native_surface *(*create_screen_surface)(struct native_display *ndpy,
+ const struct native_config *nconf,
+ uint width, uint height);
+
+ boolean (*set_mode)(struct native_display *ndpy,
+ const struct native_mode *nmode,
+ struct native_surface *nsurf);
+#endif
+};
+
+
+typedef void (*native_flush_frontbuffer)(void *dummy,
+ struct pipe_surface *surf,
+ void *context_private);
+
+const char *
+native_get_name(void);
+
+struct native_display *
+native_create_display(EGLNativeDisplayType dpy,
+ native_flush_frontbuffer flush_frontbuffer);
+
+#endif /* _NATIVE_H_ */
--- /dev/null
+ST_PUBLIC(st_create_context, struct st_context *, struct pipe_context *pipe, const __GLcontextModes *visual, struct st_context *share)
+ST_PUBLIC(st_destroy_context, void, struct st_context *st)
+ST_PUBLIC(st_copy_context_state, void, struct st_context *dst, struct st_context *src, uint mask)
+ST_PUBLIC(st_create_framebuffer, struct st_framebuffer *, const __GLcontextModes *visual, enum pipe_format colorFormat, enum pipe_format depthFormat, enum pipe_format stencilFormat, uint width, uint height, void *privateData)
+ST_PUBLIC(st_resize_framebuffer, void, struct st_framebuffer *stfb, uint width, uint height)
+ST_PUBLIC(st_set_framebuffer_surface, void, struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface *surf)
+ST_PUBLIC(st_get_framebuffer_dimensions, void, struct st_framebuffer *stfb, uint *width, uint *height)
+ST_PUBLIC(st_get_framebuffer_surface, int, struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface **surface)
+ST_PUBLIC(st_get_framebuffer_texture, int, struct st_framebuffer *stfb, uint surfIndex, struct pipe_texture **texture)
+ST_PUBLIC(st_framebuffer_private, void *, struct st_framebuffer *stfb)
+ST_PUBLIC(st_unreference_framebuffer, void, struct st_framebuffer *stfb)
+ST_PUBLIC(st_make_current, GLboolean, struct st_context *st, struct st_framebuffer *draw, struct st_framebuffer *read)
+ST_PUBLIC(st_get_current, struct st_context *, void)
+ST_PUBLIC(st_flush, void, struct st_context *st, uint pipeFlushFlags, struct pipe_fence_handle **fence)
+ST_PUBLIC(st_finish, void, struct st_context *st)
+ST_PUBLIC(st_notify_swapbuffers, void, struct st_framebuffer *stfb)
+ST_PUBLIC(st_bind_texture_surface, int, struct pipe_surface *ps, int target, int level, enum pipe_format format)
+ST_PUBLIC(st_unbind_texture_surface, int, struct pipe_surface *ps, int target, int level)
+ST_PUBLIC(st_get_proc_address, st_proc, const char *procname)
+#undef ST_PUBLIC
--- /dev/null
+/**
+ * GLX initialization. Code based on glxext.c, glx_query.c, and
+ * glcontextmodes.c under src/glx/x11/. The major difference is that no DRI
+ * related code here.
+ *
+ */
+
+#include <assert.h>
+#include <X11/Xlib.h>
+#include <X11/Xproto.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include <sys/time.h>
+
+#include "x11_screen.h"
+#include "glxinit.h"
+
+typedef struct GLXGenericGetString
+{
+ CARD8 reqType;
+ CARD8 glxCode;
+ CARD16 length B16;
+ CARD32 for_whom B32;
+ CARD32 name B32;
+} xGLXGenericGetStringReq;
+
+#define sz_xGLXGenericGetStringReq 12
+#define X_GLXGenericGetString 0
+
+/* Extension required boiler plate */
+
+static char *__glXExtensionName = GLX_EXTENSION_NAME;
+static XExtensionInfo *__glXExtensionInfo = NULL;
+
+static /* const */ XExtensionHooks __glXExtensionHooks = { NULL };
+static
+XEXT_GENERATE_FIND_DISPLAY(__glXFindDisplay, __glXExtensionInfo,
+ __glXExtensionName, &__glXExtensionHooks,
+ __GLX_NUMBER_EVENTS, NULL)
+
+static GLint
+_gl_convert_from_x_visual_type(int visualType)
+{
+#define NUM_VISUAL_TYPES 6
+ static const int glx_visual_types[NUM_VISUAL_TYPES] = {
+ GLX_STATIC_GRAY, GLX_GRAY_SCALE,
+ GLX_STATIC_COLOR, GLX_PSEUDO_COLOR,
+ GLX_TRUE_COLOR, GLX_DIRECT_COLOR
+ };
+
+ return ((unsigned) visualType < NUM_VISUAL_TYPES)
+ ? glx_visual_types[visualType] : GLX_NONE;
+}
+
+_X_HIDDEN char *
+__glXQueryServerString(Display * dpy, int opcode, CARD32 screen, CARD32 name)
+{
+ xGLXGenericGetStringReq *req;
+ xGLXSingleReply reply;
+ int length;
+ int numbytes;
+ char *buf;
+ CARD32 for_whom = screen;
+ CARD32 glxCode = X_GLXQueryServerString;
+
+
+ LockDisplay(dpy);
+
+
+ /* All of the GLX protocol requests for getting a string from the server
+ * look the same. The exact meaning of the for_whom field is usually
+ * either the screen number (for glXQueryServerString) or the context tag
+ * (for GLXSingle).
+ */
+
+ GetReq(GLXGenericGetString, req);
+ req->reqType = opcode;
+ req->glxCode = glxCode;
+ req->for_whom = for_whom;
+ req->name = name;
+
+ _XReply(dpy, (xReply *) & reply, 0, False);
+
+ length = reply.length * 4;
+ numbytes = reply.size;
+
+ buf = (char *) Xmalloc(numbytes);
+ if (buf != NULL) {
+ _XRead(dpy, buf, numbytes);
+ length -= numbytes;
+ }
+
+ _XEatData(dpy, length);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return buf;
+}
+
+/************************************************************************/
+/*
+** Free the per screen configs data as well as the array of
+** __glXScreenConfigs.
+*/
+static void
+FreeScreenConfigs(__GLXdisplayPrivate * priv)
+{
+ __GLXscreenConfigs *psc;
+ GLint i, screens;
+
+ /* Free screen configuration information */
+ psc = priv->screenConfigs;
+ screens = ScreenCount(priv->dpy);
+ for (i = 0; i < screens; i++, psc++) {
+ if (psc->configs) {
+ x11_context_modes_destroy(psc->configs);
+ psc->configs = NULL; /* NOTE: just for paranoia */
+ }
+ if (psc->visuals) {
+ x11_context_modes_destroy(psc->visuals);
+ psc->visuals = NULL; /* NOTE: just for paranoia */
+ }
+ Xfree((char *) psc->serverGLXexts);
+ }
+ XFree((char *) priv->screenConfigs);
+ priv->screenConfigs = NULL;
+}
+
+/************************************************************************/
+
+/*
+** Query the version of the GLX extension. This procedure works even if
+** the client extension is not completely set up.
+*/
+static Bool
+QueryVersion(Display * dpy, int opcode, int *major, int *minor)
+{
+ xGLXQueryVersionReq *req;
+ xGLXQueryVersionReply reply;
+
+ /* Send the glXQueryVersion request */
+ LockDisplay(dpy);
+ GetReq(GLXQueryVersion, req);
+ req->reqType = opcode;
+ req->glxCode = X_GLXQueryVersion;
+ req->majorVersion = GLX_MAJOR_VERSION;
+ req->minorVersion = GLX_MINOR_VERSION;
+ _XReply(dpy, (xReply *) & reply, 0, False);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ if (reply.majorVersion != GLX_MAJOR_VERSION) {
+ /*
+ ** The server does not support the same major release as this
+ ** client.
+ */
+ return GL_FALSE;
+ }
+ *major = reply.majorVersion;
+ *minor = min(reply.minorVersion, GLX_MINOR_VERSION);
+ return GL_TRUE;
+}
+
+_X_HIDDEN void
+__glXInitializeVisualConfigFromTags(__GLcontextModes * config, int count,
+ const INT32 * bp, Bool tagged_only,
+ Bool fbconfig_style_tags)
+{
+ int i;
+
+ if (!tagged_only) {
+ /* Copy in the first set of properties */
+ config->visualID = *bp++;
+
+ config->visualType = _gl_convert_from_x_visual_type(*bp++);
+
+ config->rgbMode = *bp++;
+
+ config->redBits = *bp++;
+ config->greenBits = *bp++;
+ config->blueBits = *bp++;
+ config->alphaBits = *bp++;
+ config->accumRedBits = *bp++;
+ config->accumGreenBits = *bp++;
+ config->accumBlueBits = *bp++;
+ config->accumAlphaBits = *bp++;
+
+ config->doubleBufferMode = *bp++;
+ config->stereoMode = *bp++;
+
+ config->rgbBits = *bp++;
+ config->depthBits = *bp++;
+ config->stencilBits = *bp++;
+ config->numAuxBuffers = *bp++;
+ config->level = *bp++;
+
+ count -= __GLX_MIN_CONFIG_PROPS;
+ }
+
+ /*
+ ** Additional properties may be in a list at the end
+ ** of the reply. They are in pairs of property type
+ ** and property value.
+ */
+
+#define FETCH_OR_SET(tag) \
+ config-> tag = ( fbconfig_style_tags ) ? *bp++ : 1
+
+ for (i = 0; i < count; i += 2) {
+ switch (*bp++) {
+ case GLX_RGBA:
+ FETCH_OR_SET(rgbMode);
+ break;
+ case GLX_BUFFER_SIZE:
+ config->rgbBits = *bp++;
+ break;
+ case GLX_LEVEL:
+ config->level = *bp++;
+ break;
+ case GLX_DOUBLEBUFFER:
+ FETCH_OR_SET(doubleBufferMode);
+ break;
+ case GLX_STEREO:
+ FETCH_OR_SET(stereoMode);
+ break;
+ case GLX_AUX_BUFFERS:
+ config->numAuxBuffers = *bp++;
+ break;
+ case GLX_RED_SIZE:
+ config->redBits = *bp++;
+ break;
+ case GLX_GREEN_SIZE:
+ config->greenBits = *bp++;
+ break;
+ case GLX_BLUE_SIZE:
+ config->blueBits = *bp++;
+ break;
+ case GLX_ALPHA_SIZE:
+ config->alphaBits = *bp++;
+ break;
+ case GLX_DEPTH_SIZE:
+ config->depthBits = *bp++;
+ break;
+ case GLX_STENCIL_SIZE:
+ config->stencilBits = *bp++;
+ break;
+ case GLX_ACCUM_RED_SIZE:
+ config->accumRedBits = *bp++;
+ break;
+ case GLX_ACCUM_GREEN_SIZE:
+ config->accumGreenBits = *bp++;
+ break;
+ case GLX_ACCUM_BLUE_SIZE:
+ config->accumBlueBits = *bp++;
+ break;
+ case GLX_ACCUM_ALPHA_SIZE:
+ config->accumAlphaBits = *bp++;
+ break;
+ case GLX_VISUAL_CAVEAT_EXT:
+ config->visualRating = *bp++;
+ break;
+ case GLX_X_VISUAL_TYPE:
+ config->visualType = *bp++;
+ break;
+ case GLX_TRANSPARENT_TYPE:
+ config->transparentPixel = *bp++;
+ break;
+ case GLX_TRANSPARENT_INDEX_VALUE:
+ config->transparentIndex = *bp++;
+ break;
+ case GLX_TRANSPARENT_RED_VALUE:
+ config->transparentRed = *bp++;
+ break;
+ case GLX_TRANSPARENT_GREEN_VALUE:
+ config->transparentGreen = *bp++;
+ break;
+ case GLX_TRANSPARENT_BLUE_VALUE:
+ config->transparentBlue = *bp++;
+ break;
+ case GLX_TRANSPARENT_ALPHA_VALUE:
+ config->transparentAlpha = *bp++;
+ break;
+ case GLX_VISUAL_ID:
+ config->visualID = *bp++;
+ break;
+ case GLX_DRAWABLE_TYPE:
+ config->drawableType = *bp++;
+ break;
+ case GLX_RENDER_TYPE:
+ config->renderType = *bp++;
+ break;
+ case GLX_X_RENDERABLE:
+ config->xRenderable = *bp++;
+ break;
+ case GLX_FBCONFIG_ID:
+ config->fbconfigID = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_WIDTH:
+ config->maxPbufferWidth = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_HEIGHT:
+ config->maxPbufferHeight = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_PIXELS:
+ config->maxPbufferPixels = *bp++;
+ break;
+ case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX:
+ config->optimalPbufferWidth = *bp++;
+ break;
+ case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX:
+ config->optimalPbufferHeight = *bp++;
+ break;
+ case GLX_VISUAL_SELECT_GROUP_SGIX:
+ config->visualSelectGroup = *bp++;
+ break;
+ case GLX_SWAP_METHOD_OML:
+ config->swapMethod = *bp++;
+ break;
+ case GLX_SAMPLE_BUFFERS_SGIS:
+ config->sampleBuffers = *bp++;
+ break;
+ case GLX_SAMPLES_SGIS:
+ config->samples = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_RGB_EXT:
+ config->bindToTextureRgb = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_RGBA_EXT:
+ config->bindToTextureRgba = *bp++;
+ break;
+ case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
+ config->bindToMipmapTexture = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
+ config->bindToTextureTargets = *bp++;
+ break;
+ case GLX_Y_INVERTED_EXT:
+ config->yInverted = *bp++;
+ break;
+ case None:
+ i = count;
+ break;
+ default:
+ break;
+ }
+ }
+
+ config->renderType =
+ (config->rgbMode) ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT;
+
+ config->haveAccumBuffer = ((config->accumRedBits +
+ config->accumGreenBits +
+ config->accumBlueBits +
+ config->accumAlphaBits) > 0);
+ config->haveDepthBuffer = (config->depthBits > 0);
+ config->haveStencilBuffer = (config->stencilBits > 0);
+}
+
+static __GLcontextModes *
+createConfigsFromProperties(Display * dpy, int nvisuals, int nprops,
+ int screen, GLboolean tagged_only)
+{
+ INT32 buf[__GLX_TOTAL_CONFIG], *props;
+ unsigned prop_size;
+ __GLcontextModes *modes, *m;
+ int i;
+
+ if (nprops == 0)
+ return NULL;
+
+ /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for FBconfigs? */
+
+ /* Check number of properties */
+ if (nprops < __GLX_MIN_CONFIG_PROPS || nprops > __GLX_MAX_CONFIG_PROPS)
+ return NULL;
+
+ /* Allocate memory for our config structure */
+ modes = x11_context_modes_create(nvisuals);
+ if (!modes)
+ return NULL;
+
+ prop_size = nprops * __GLX_SIZE_INT32;
+ if (prop_size <= sizeof(buf))
+ props = buf;
+ else
+ props = Xmalloc(prop_size);
+
+ /* Read each config structure and convert it into our format */
+ m = modes;
+ for (i = 0; i < nvisuals; i++) {
+ _XRead(dpy, (char *) props, prop_size);
+ /* Older X servers don't send this so we default it here. */
+ m->drawableType = GLX_WINDOW_BIT;
+ __glXInitializeVisualConfigFromTags(m, nprops, props,
+ tagged_only, GL_TRUE);
+ m->screen = screen;
+ m = m->next;
+ }
+
+ if (props != buf)
+ Xfree(props);
+
+ return modes;
+}
+
+static GLboolean
+getVisualConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen)
+{
+ xGLXGetVisualConfigsReq *req;
+ __GLXscreenConfigs *psc;
+ xGLXGetVisualConfigsReply reply;
+
+ LockDisplay(dpy);
+
+ psc = priv->screenConfigs + screen;
+ psc->visuals = NULL;
+ GetReq(GLXGetVisualConfigs, req);
+ req->reqType = priv->majorOpcode;
+ req->glxCode = X_GLXGetVisualConfigs;
+ req->screen = screen;
+
+ if (!_XReply(dpy, (xReply *) & reply, 0, False))
+ goto out;
+
+ psc->visuals = createConfigsFromProperties(dpy,
+ reply.numVisuals,
+ reply.numProps,
+ screen, GL_FALSE);
+
+ out:
+ UnlockDisplay(dpy);
+ return psc->visuals != NULL;
+}
+
+static GLboolean
+getFBConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen)
+{
+ xGLXGetFBConfigsReq *fb_req;
+ xGLXGetFBConfigsSGIXReq *sgi_req;
+ xGLXVendorPrivateWithReplyReq *vpreq;
+ xGLXGetFBConfigsReply reply;
+ __GLXscreenConfigs *psc;
+
+ psc = priv->screenConfigs + screen;
+ psc->serverGLXexts =
+ __glXQueryServerString(dpy, priv->majorOpcode, screen, GLX_EXTENSIONS);
+
+ LockDisplay(dpy);
+
+ psc->configs = NULL;
+ if (atof(priv->serverGLXversion) >= 1.3) {
+ GetReq(GLXGetFBConfigs, fb_req);
+ fb_req->reqType = priv->majorOpcode;
+ fb_req->glxCode = X_GLXGetFBConfigs;
+ fb_req->screen = screen;
+ }
+ else if (strstr(psc->serverGLXexts, "GLX_SGIX_fbconfig") != NULL) {
+ GetReqExtra(GLXVendorPrivateWithReply,
+ sz_xGLXGetFBConfigsSGIXReq +
+ sz_xGLXVendorPrivateWithReplyReq, vpreq);
+ sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq;
+ sgi_req->reqType = priv->majorOpcode;
+ sgi_req->glxCode = X_GLXVendorPrivateWithReply;
+ sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX;
+ sgi_req->screen = screen;
+ }
+ else
+ goto out;
+
+ if (!_XReply(dpy, (xReply *) & reply, 0, False))
+ goto out;
+
+ psc->configs = createConfigsFromProperties(dpy,
+ reply.numFBConfigs,
+ reply.numAttribs * 2,
+ screen, GL_TRUE);
+
+ out:
+ UnlockDisplay(dpy);
+ return psc->configs != NULL;
+}
+
+static GLboolean
+AllocAndFetchScreenConfigs(Display * dpy, __GLXdisplayPrivate * priv)
+{
+ __GLXscreenConfigs *psc;
+ GLint i, screens;
+
+ /*
+ ** First allocate memory for the array of per screen configs.
+ */
+ screens = ScreenCount(dpy);
+ psc = (__GLXscreenConfigs *) Xmalloc(screens * sizeof(__GLXscreenConfigs));
+ if (!psc) {
+ return GL_FALSE;
+ }
+ memset(psc, 0, screens * sizeof(__GLXscreenConfigs));
+ priv->screenConfigs = psc;
+
+ priv->serverGLXversion =
+ __glXQueryServerString(dpy, priv->majorOpcode, 0, GLX_VERSION);
+ if (priv->serverGLXversion == NULL) {
+ FreeScreenConfigs(priv);
+ return GL_FALSE;
+ }
+
+ for (i = 0; i < screens; i++, psc++) {
+ getFBConfigs(dpy, priv, i);
+ getVisualConfigs(dpy, priv, i);
+ psc->scr = i;
+ psc->dpy = dpy;
+ }
+
+ SyncHandle();
+
+ return GL_TRUE;
+}
+
+_X_HIDDEN void
+__glXRelease(__GLXdisplayPrivate *dpyPriv)
+{
+ FreeScreenConfigs(dpyPriv);
+
+ if (dpyPriv->serverGLXvendor) {
+ Xfree((char *) dpyPriv->serverGLXvendor);
+ dpyPriv->serverGLXvendor = NULL;
+ }
+ if (dpyPriv->serverGLXversion) {
+ Xfree((char *) dpyPriv->serverGLXversion);
+ dpyPriv->serverGLXversion = NULL;
+ }
+
+ Xfree(dpyPriv);
+}
+
+_X_HIDDEN __GLXdisplayPrivate *
+__glXInitialize(Display * dpy)
+{
+ XExtDisplayInfo *info = __glXFindDisplay(dpy);
+ __GLXdisplayPrivate *dpyPriv;
+ int major, minor;
+
+ if (!XextHasExtension(info))
+ return NULL;
+
+ /* See if the versions are compatible */
+ if (!QueryVersion(dpy, info->codes->major_opcode, &major, &minor))
+ return NULL;
+
+ dpyPriv = (__GLXdisplayPrivate *) Xcalloc(1, sizeof(__GLXdisplayPrivate));
+ if (!dpyPriv)
+ return NULL;
+
+ /*
+ ** Init the display private and then read in the screen config
+ ** structures from the server.
+ */
+ dpyPriv->majorOpcode = info->codes->major_opcode;
+ dpyPriv->majorVersion = major;
+ dpyPriv->minorVersion = minor;
+ dpyPriv->dpy = dpy;
+
+ dpyPriv->serverGLXvendor = NULL;
+ dpyPriv->serverGLXversion = NULL;
+
+ if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) {
+ Xfree(dpyPriv);
+ return NULL;
+ }
+
+ return dpyPriv;
+}
--- /dev/null
+#ifndef GLXINIT_INCLUDED
+#define GLXINIT_INCLUDED
+
+#include <X11/Xlib.h>
+
+#ifndef GLX_DIRECT_RENDERING
+#define GLX_DIRECT_RENDERING
+#endif
+#include "glxclient.h"
+
+extern void
+__glXRelease(__GLXdisplayPrivate *dpyPriv);
+
+#endif /* GLXINIT_INCLUDED */
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "util/u_memory.h"
+#include "util/u_math.h"
+#include "util/u_format.h"
+#include "pipe/p_compiler.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "state_tracker/drm_api.h"
+#include "egllog.h"
+
+#include "native_x11.h"
+#include "x11_screen.h"
+
+enum dri2_surface_type {
+ DRI2_SURFACE_TYPE_WINDOW,
+ DRI2_SURFACE_TYPE_PIXMAP,
+ DRI2_SURFACE_TYPE_PBUFFER
+};
+
+struct dri2_display {
+ struct native_display base;
+ Display *dpy;
+ boolean own_dpy;
+
+ struct drm_api *api;
+ struct x11_screen *xscr;
+ int xscr_number;
+
+ struct dri2_config *configs;
+ int num_configs;
+};
+
+struct dri2_surface {
+ struct native_surface base;
+ Drawable drawable;
+ enum dri2_surface_type type;
+ enum pipe_format color_format;
+ struct dri2_display *dri2dpy;
+
+ struct pipe_texture *pbuffer_textures[NUM_NATIVE_ATTACHMENTS];
+ boolean have_back, have_fake;
+ int width, height;
+};
+
+struct dri2_config {
+ struct native_config base;
+};
+
+static INLINE struct dri2_display *
+dri2_display(const struct native_display *ndpy)
+{
+ return (struct dri2_display *) ndpy;
+}
+
+static INLINE struct dri2_surface *
+dri2_surface(const struct native_surface *nsurf)
+{
+ return (struct dri2_surface *) nsurf;
+}
+
+static INLINE struct dri2_config *
+dri2_config(const struct native_config *nconf)
+{
+ return (struct dri2_config *) nconf;
+}
+
+static boolean
+dri2_surface_flush_frontbuffer(struct native_surface *nsurf)
+{
+ struct dri2_surface *dri2surf = dri2_surface(nsurf);
+ struct dri2_display *dri2dpy = dri2surf->dri2dpy;
+
+ /* pbuffer is private */
+ if (dri2surf->type == DRI2_SURFACE_TYPE_PBUFFER)
+ return TRUE;
+
+ /* copy to real front buffer */
+ if (dri2surf->have_fake)
+ x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
+ 0, 0, dri2surf->width, dri2surf->height,
+ DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
+
+ return TRUE;
+}
+
+static boolean
+dri2_surface_swap_buffers(struct native_surface *nsurf)
+{
+ struct dri2_surface *dri2surf = dri2_surface(nsurf);
+ struct dri2_display *dri2dpy = dri2surf->dri2dpy;
+
+ /* pbuffer is private */
+ if (dri2surf->type == DRI2_SURFACE_TYPE_PBUFFER)
+ return TRUE;
+
+ /* copy to front buffer */
+ if (dri2surf->have_back)
+ x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
+ 0, 0, dri2surf->width, dri2surf->height,
+ DRI2BufferBackLeft, DRI2BufferFrontLeft);
+
+ /* and update fake front buffer */
+ if (dri2surf->have_fake)
+ x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
+ 0, 0, dri2surf->width, dri2surf->height,
+ DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
+
+ return TRUE;
+}
+
+static boolean
+dri2_surface_validate(struct native_surface *nsurf,
+ const enum native_attachment *natts,
+ unsigned num_natts,
+ struct pipe_texture **textures,
+ int *width, int *height)
+{
+ struct dri2_surface *dri2surf = dri2_surface(nsurf);
+ struct dri2_display *dri2dpy = dri2surf->dri2dpy;
+ unsigned int dri2atts[NUM_NATIVE_ATTACHMENTS];
+ EGLint texture_indices[NUM_NATIVE_ATTACHMENTS];
+ struct pipe_texture templ;
+ struct x11_drawable_buffer *xbufs;
+ int num_ins, num_outs, i;
+
+ if (num_natts) {
+ memset(&templ, 0, sizeof(templ));
+ templ.target = PIPE_TEXTURE_2D;
+ templ.last_level = 0;
+ templ.width0 = dri2surf->width;
+ templ.height0 = dri2surf->height;
+ templ.depth0 = 1;
+ templ.format = dri2surf->color_format;
+ templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
+
+ if (textures)
+ memset(textures, 0, sizeof(*textures) * num_natts);
+ }
+
+ /* create textures for pbuffer */
+ if (dri2surf->type == DRI2_SURFACE_TYPE_PBUFFER) {
+ struct pipe_screen *screen = dri2dpy->base.screen;
+
+ for (i = 0; i < num_natts; i++) {
+ enum native_attachment natt = natts[i];
+ struct pipe_texture *ptex = dri2surf->pbuffer_textures[natt];
+
+ if (!ptex) {
+ ptex = screen->texture_create(screen, &templ);
+ dri2surf->pbuffer_textures[natt] = ptex;
+ }
+
+ if (textures)
+ pipe_texture_reference(&textures[i], ptex);
+ }
+
+ if (width)
+ *width = dri2surf->width;
+ if (height)
+ *height = dri2surf->height;
+
+ return TRUE;
+ }
+
+ for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++)
+ texture_indices[i] = -1;
+
+ /* prepare the attachments */
+ num_ins = num_natts;
+ for (i = 0; i < num_natts; i++) {
+ unsigned int dri2att;
+
+ switch (natts[i]) {
+ case NATIVE_ATTACHMENT_FRONT_LEFT:
+ dri2att = DRI2BufferFrontLeft;
+ break;
+ case NATIVE_ATTACHMENT_BACK_LEFT:
+ dri2att = DRI2BufferBackLeft;
+ break;
+ case NATIVE_ATTACHMENT_FRONT_RIGHT:
+ dri2att = DRI2BufferFrontRight;
+ break;
+ case NATIVE_ATTACHMENT_BACK_RIGHT:
+ dri2att = DRI2BufferBackRight;
+ break;
+ default:
+ assert(0);
+ dri2att = 0;
+ break;
+ }
+ dri2atts[i] = dri2att;
+ texture_indices[natts[i]] = i;
+ }
+
+ dri2surf->have_back = FALSE;
+ dri2surf->have_fake = FALSE;
+
+ xbufs = x11_drawable_get_buffers(dri2dpy->xscr, dri2surf->drawable,
+ &dri2surf->width, &dri2surf->height,
+ dri2atts, FALSE, num_ins, &num_outs);
+ if (!xbufs)
+ return FALSE;
+
+ /* update width and height */
+ templ.width0 = dri2surf->width;
+ templ.height0 = dri2surf->height;
+
+ for (i = 0; i < num_outs; i++) {
+ struct x11_drawable_buffer *xbuf = &xbufs[i];
+ const char *desc;
+ enum native_attachment natt;
+
+ switch (xbuf->attachment) {
+ case DRI2BufferFrontLeft:
+ natt = NATIVE_ATTACHMENT_FRONT_LEFT;
+ desc = "DRI2 Front Buffer";
+ break;
+ case DRI2BufferFakeFrontLeft:
+ natt = NATIVE_ATTACHMENT_FRONT_LEFT;
+ desc = "DRI2 Fake Front Buffer";
+ dri2surf->have_fake = TRUE;
+ break;
+ case DRI2BufferBackLeft:
+ natt = NATIVE_ATTACHMENT_BACK_LEFT;
+ desc = "DRI2 Back Buffer";
+ dri2surf->have_back = TRUE;
+ break;
+ default:
+ desc = NULL;
+ break;
+ }
+
+ if (!desc || texture_indices[natt] < 0 ||
+ (textures && textures[texture_indices[natt]])) {
+ if (!desc)
+ _eglLog(_EGL_WARNING, "unknown buffer %d", xbuf->attachment);
+ else if (texture_indices[natt] < 0)
+ _eglLog(_EGL_WARNING, "unexpected buffer %d", xbuf->attachment);
+ else if (textures && textures[texture_indices[natt]])
+ _eglLog(_EGL_WARNING, "both real and fake front buffers are listed");
+ continue;
+ }
+
+ if (textures) {
+ struct pipe_texture *ptex =
+ dri2dpy->api->texture_from_shared_handle(dri2dpy->api,
+ dri2dpy->base.screen, &templ,
+ desc, xbuf->pitch, xbuf->name);
+ if (ptex) {
+ /* the caller owns the textures */
+ textures[texture_indices[natt]] = ptex;
+ }
+ }
+ }
+
+ free(xbufs);
+
+ if (width)
+ *width = dri2surf->width;
+ if (height)
+ *height = dri2surf->height;
+
+ return TRUE;
+}
+
+static void
+dri2_surface_wait(struct native_surface *nsurf)
+{
+ struct dri2_surface *dri2surf = dri2_surface(nsurf);
+ struct dri2_display *dri2dpy = dri2surf->dri2dpy;
+
+ if (dri2surf->have_fake) {
+ x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable,
+ 0, 0, dri2surf->width, dri2surf->height,
+ DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
+ }
+}
+
+static void
+dri2_surface_destroy(struct native_surface *nsurf)
+{
+ struct dri2_surface *dri2surf = dri2_surface(nsurf);
+ int i;
+
+ for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) {
+ struct pipe_texture *ptex = dri2surf->pbuffer_textures[i];
+ pipe_texture_reference(&ptex, NULL);
+ }
+
+ if (dri2surf->drawable)
+ x11_drawable_enable_dri2(dri2surf->dri2dpy->xscr,
+ dri2surf->drawable, FALSE);
+ free(dri2surf);
+}
+
+static struct dri2_surface *
+dri2_display_create_surface(struct native_display *ndpy,
+ enum dri2_surface_type type,
+ Drawable drawable,
+ const struct native_config *nconf)
+{
+ struct dri2_display *dri2dpy = dri2_display(ndpy);
+ struct dri2_config *dri2conf = dri2_config(nconf);
+ struct dri2_surface *dri2surf;
+
+ dri2surf = CALLOC_STRUCT(dri2_surface);
+ if (!dri2surf)
+ return NULL;
+
+ if (drawable)
+ x11_drawable_enable_dri2(dri2dpy->xscr, drawable, TRUE);
+
+ dri2surf->dri2dpy = dri2dpy;
+ dri2surf->type = type;
+ dri2surf->drawable = drawable;
+ dri2surf->color_format = dri2conf->base.color_format;
+
+ dri2surf->base.destroy = dri2_surface_destroy;
+ dri2surf->base.swap_buffers = dri2_surface_swap_buffers;
+ dri2surf->base.flush_frontbuffer = dri2_surface_flush_frontbuffer;
+ dri2surf->base.validate = dri2_surface_validate;
+ dri2surf->base.wait = dri2_surface_wait;
+
+ return dri2surf;
+}
+
+static struct native_surface *
+dri2_display_create_window_surface(struct native_display *ndpy,
+ EGLNativeWindowType win,
+ const struct native_config *nconf)
+{
+ struct dri2_surface *dri2surf;
+
+ dri2surf = dri2_display_create_surface(ndpy, DRI2_SURFACE_TYPE_WINDOW,
+ (Drawable) win, nconf);
+ return (dri2surf) ? &dri2surf->base : NULL;
+}
+
+static struct native_surface *
+dri2_display_create_pixmap_surface(struct native_display *ndpy,
+ EGLNativePixmapType pix,
+ const struct native_config *nconf)
+{
+ struct dri2_surface *dri2surf;
+
+ dri2surf = dri2_display_create_surface(ndpy, DRI2_SURFACE_TYPE_PIXMAP,
+ (Drawable) pix, nconf);
+ return (dri2surf) ? &dri2surf->base : NULL;
+}
+
+static struct native_surface *
+dri2_display_create_pbuffer_surface(struct native_display *ndpy,
+ const struct native_config *nconf,
+ uint width, uint height)
+{
+ struct dri2_surface *dri2surf;
+
+ dri2surf = dri2_display_create_surface(ndpy, DRI2_SURFACE_TYPE_PBUFFER,
+ (Drawable) None, nconf);
+ if (dri2surf) {
+ dri2surf->width = width;
+ dri2surf->height = height;
+ }
+ return (dri2surf) ? &dri2surf->base : NULL;
+}
+
+static struct pipe_context *
+dri2_display_create_context(struct native_display *ndpy, void *context_private)
+{
+ struct dri2_display *dri2dpy = dri2_display(ndpy);
+ struct pipe_context *pctx;
+
+ pctx = dri2dpy->api->create_context(dri2dpy->api, dri2dpy->base.screen);
+ if (pctx)
+ pctx->priv = context_private;
+ return pctx;
+}
+
+static int
+choose_color_format(const __GLcontextModes *mode, enum pipe_format formats[32])
+{
+ int count = 0;
+
+ switch (mode->rgbBits) {
+ case 32:
+ formats[count++] = PIPE_FORMAT_A8R8G8B8_UNORM;
+ formats[count++] = PIPE_FORMAT_B8G8R8A8_UNORM;
+ break;
+ case 24:
+ formats[count++] = PIPE_FORMAT_X8R8G8B8_UNORM;
+ formats[count++] = PIPE_FORMAT_B8G8R8X8_UNORM;
+ formats[count++] = PIPE_FORMAT_A8R8G8B8_UNORM;
+ formats[count++] = PIPE_FORMAT_B8G8R8A8_UNORM;
+ break;
+ case 16:
+ formats[count++] = PIPE_FORMAT_R5G6B5_UNORM;
+ break;
+ default:
+ break;
+ }
+
+ return count;
+}
+
+static int
+choose_depth_stencil_format(const __GLcontextModes *mode,
+ enum pipe_format formats[32])
+{
+ int count = 0;
+
+ switch (mode->depthBits) {
+ case 32:
+ formats[count++] = PIPE_FORMAT_Z32_UNORM;
+ break;
+ case 24:
+ if (mode->stencilBits) {
+ formats[count++] = PIPE_FORMAT_S8Z24_UNORM;
+ formats[count++] = PIPE_FORMAT_Z24S8_UNORM;
+ }
+ else {
+ formats[count++] = PIPE_FORMAT_X8Z24_UNORM;
+ formats[count++] = PIPE_FORMAT_Z24X8_UNORM;
+ }
+ break;
+ case 16:
+ formats[count++] = PIPE_FORMAT_Z16_UNORM;
+ break;
+ default:
+ break;
+ }
+
+ return count;
+}
+
+static boolean
+is_format_supported(struct pipe_screen *screen,
+ enum pipe_format fmt, boolean is_color)
+{
+ return screen->is_format_supported(screen, fmt, PIPE_TEXTURE_2D,
+ (is_color) ? PIPE_TEXTURE_USAGE_RENDER_TARGET :
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+}
+
+static boolean
+dri2_display_convert_config(struct native_display *ndpy,
+ const __GLcontextModes *mode,
+ struct native_config *nconf)
+{
+ enum pipe_format formats[32];
+ int num_formats, i;
+
+ if (!(mode->renderType & GLX_RGBA_BIT) || !mode->rgbMode)
+ return FALSE;
+
+ /* skip single-buffered configs */
+ if (!mode->doubleBufferMode)
+ return FALSE;
+
+ nconf->mode = *mode;
+ nconf->mode.renderType = GLX_RGBA_BIT;
+ nconf->mode.rgbMode = TRUE;
+ /* pbuffer is allocated locally and is always supported */
+ nconf->mode.drawableType |= GLX_PBUFFER_BIT;
+ /* the swap method is always copy */
+ nconf->mode.swapMethod = GLX_SWAP_COPY_OML;
+
+ /* fix up */
+ nconf->mode.rgbBits =
+ nconf->mode.redBits + nconf->mode.greenBits +
+ nconf->mode.blueBits + nconf->mode.alphaBits;
+ if (!(nconf->mode.drawableType & GLX_WINDOW_BIT)) {
+ nconf->mode.visualID = 0;
+ nconf->mode.visualType = GLX_NONE;
+ }
+ if (!(nconf->mode.drawableType & GLX_PBUFFER_BIT)) {
+ nconf->mode.bindToTextureRgb = FALSE;
+ nconf->mode.bindToTextureRgba = FALSE;
+ }
+
+ nconf->color_format = PIPE_FORMAT_NONE;
+ nconf->depth_format = PIPE_FORMAT_NONE;
+ nconf->stencil_format = PIPE_FORMAT_NONE;
+
+ /* choose color format */
+ num_formats = choose_color_format(mode, formats);
+ for (i = 0; i < num_formats; i++) {
+ if (is_format_supported(ndpy->screen, formats[i], TRUE)) {
+ nconf->color_format = formats[i];
+ break;
+ }
+ }
+ if (nconf->color_format == PIPE_FORMAT_NONE)
+ return FALSE;
+
+ /* choose depth/stencil format */
+ num_formats = choose_depth_stencil_format(mode, formats);
+ for (i = 0; i < num_formats; i++) {
+ if (is_format_supported(ndpy->screen, formats[i], FALSE)) {
+ nconf->depth_format = formats[i];
+ nconf->stencil_format = formats[i];
+ break;
+ }
+ }
+ if ((nconf->mode.depthBits && nconf->depth_format == PIPE_FORMAT_NONE) ||
+ (nconf->mode.stencilBits && nconf->stencil_format == PIPE_FORMAT_NONE))
+ return FALSE;
+
+ return TRUE;
+}
+
+static const struct native_config **
+dri2_display_get_configs(struct native_display *ndpy, int *num_configs)
+{
+ struct dri2_display *dri2dpy = dri2_display(ndpy);
+ const struct native_config **configs;
+ int i;
+
+ /* first time */
+ if (!dri2dpy->configs) {
+ const __GLcontextModes *modes;
+ int num_modes, count;
+
+ modes = x11_screen_get_glx_configs(dri2dpy->xscr);
+ if (!modes)
+ return NULL;
+ num_modes = x11_context_modes_count(modes);
+
+ dri2dpy->configs = calloc(num_modes, sizeof(*dri2dpy->configs));
+ if (!dri2dpy->configs)
+ return NULL;
+
+ count = 0;
+ for (i = 0; i < num_modes; i++) {
+ struct native_config *nconf = &dri2dpy->configs[count].base;
+ if (dri2_display_convert_config(&dri2dpy->base, modes, nconf))
+ count++;
+ modes = modes->next;
+ }
+
+ dri2dpy->num_configs = count;
+ }
+
+ configs = malloc(dri2dpy->num_configs * sizeof(*configs));
+ if (configs) {
+ for (i = 0; i < dri2dpy->num_configs; i++)
+ configs[i] = (const struct native_config *) &dri2dpy->configs[i];
+ if (num_configs)
+ *num_configs = dri2dpy->num_configs;
+ }
+
+ return configs;
+}
+
+static void
+dri2_display_destroy(struct native_display *ndpy)
+{
+ struct dri2_display *dri2dpy = dri2_display(ndpy);
+
+ if (dri2dpy->configs)
+ free(dri2dpy->configs);
+
+ if (dri2dpy->base.screen)
+ dri2dpy->base.screen->destroy(dri2dpy->base.screen);
+
+ if (dri2dpy->xscr)
+ x11_screen_destroy(dri2dpy->xscr);
+ if (dri2dpy->own_dpy)
+ XCloseDisplay(dri2dpy->dpy);
+ if (dri2dpy->api && dri2dpy->api->destroy)
+ dri2dpy->api->destroy(dri2dpy->api);
+ free(dri2dpy);
+}
+
+/**
+ * Initialize DRI2 and pipe screen.
+ */
+static boolean
+dri2_display_init_screen(struct native_display *ndpy)
+{
+ struct dri2_display *dri2dpy = dri2_display(ndpy);
+ const char *driver = dri2dpy->api->name;
+ struct drm_create_screen_arg arg;
+ int fd;
+
+ if (!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_DRI2) ||
+ !x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_GLX)) {
+ _eglLog(_EGL_WARNING, "GLX/DRI2 is not supported");
+ return FALSE;
+ }
+
+ fd = x11_screen_enable_dri2(dri2dpy->xscr, driver);
+ if (fd < 0)
+ return FALSE;
+
+ memset(&arg, 0, sizeof(arg));
+ arg.mode = DRM_CREATE_NORMAL;
+ dri2dpy->base.screen = dri2dpy->api->create_screen(dri2dpy->api, fd, &arg);
+ if (!dri2dpy->base.screen) {
+ _eglLog(_EGL_WARNING, "failed to create DRM screen");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+dri2_display_flush_frontbuffer(void *dummy, struct pipe_surface *surf,
+ void *context_private)
+{
+ /* TODO get native surface from context private, and remove the callback */
+ _eglLog(_EGL_WARNING, "flush_frontbuffer is not supplied");
+}
+
+struct native_display *
+x11_create_dri2_display(EGLNativeDisplayType dpy,
+ struct drm_api *api,
+ native_flush_frontbuffer flush_frontbuffer)
+{
+ struct dri2_display *dri2dpy;
+
+ dri2dpy = CALLOC_STRUCT(dri2_display);
+ if (!dri2dpy)
+ return NULL;
+
+ dri2dpy->api = api;
+ if (!dri2dpy->api) {
+ _eglLog(_EGL_WARNING, "failed to create DRM API");
+ free(dri2dpy);
+ return NULL;
+ }
+
+ dri2dpy->dpy = dpy;
+ if (!dri2dpy->dpy) {
+ dri2dpy->dpy = XOpenDisplay(NULL);
+ if (!dri2dpy->dpy) {
+ dri2_display_destroy(&dri2dpy->base);
+ return NULL;
+ }
+ dri2dpy->own_dpy = TRUE;
+ }
+
+ dri2dpy->xscr_number = DefaultScreen(dri2dpy->dpy);
+ dri2dpy->xscr = x11_screen_create(dri2dpy->dpy, dri2dpy->xscr_number);
+ if (!dri2dpy->xscr) {
+ dri2_display_destroy(&dri2dpy->base);
+ return NULL;
+ }
+
+ if (!dri2_display_init_screen(&dri2dpy->base)) {
+ dri2_display_destroy(&dri2dpy->base);
+ return NULL;
+ }
+
+ if (!flush_frontbuffer)
+ flush_frontbuffer = dri2_display_flush_frontbuffer;
+
+ dri2dpy->base.screen->flush_frontbuffer =
+ (void (*)(struct pipe_screen *, struct pipe_surface *, void *))
+ flush_frontbuffer;
+
+ dri2dpy->base.destroy = dri2_display_destroy;
+ dri2dpy->base.get_configs = dri2_display_get_configs;
+ dri2dpy->base.create_context = dri2_display_create_context;
+ dri2dpy->base.create_window_surface = dri2_display_create_window_surface;
+ dri2dpy->base.create_pixmap_surface = dri2_display_create_pixmap_surface;
+ dri2dpy->base.create_pbuffer_surface = dri2_display_create_pbuffer_surface;
+
+ return &dri2dpy->base;
+}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <string.h>
+#include "util/u_debug.h"
+#include "state_tracker/drm_api.h"
+#include "egllog.h"
+
+#include "native_x11.h"
+
+static struct drm_api *api;
+
+const char *
+native_get_name(void)
+{
+ static char x11_name[32];
+
+ if (!api)
+ api = drm_api_create();
+
+ if (api)
+ snprintf(x11_name, sizeof(x11_name), "X11/%s", api->name);
+ else
+ snprintf(x11_name, sizeof(x11_name), "X11");
+
+ return x11_name;
+}
+
+struct native_display *
+native_create_display(EGLNativeDisplayType dpy,
+ native_flush_frontbuffer flush_frontbuffer)
+{
+ struct native_display *ndpy = NULL;
+ boolean force_sw;
+
+ if (!api)
+ api = drm_api_create();
+
+ force_sw = debug_get_bool_option("EGL_SOFTWARE", FALSE);
+ if (api && !force_sw) {
+ ndpy = x11_create_dri2_display(dpy, api, flush_frontbuffer);
+ }
+
+ if (!ndpy) {
+ EGLint level = (force_sw) ? _EGL_INFO : _EGL_WARNING;
+
+ _eglLog(level, "use software fallback");
+ ndpy = x11_create_ximage_display(dpy, TRUE, flush_frontbuffer);
+ }
+
+ return ndpy;
+}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _NATIVE_X11_H_
+#define _NATIVE_X11_H_
+
+#include "state_tracker/drm_api.h"
+#include "common/native.h"
+
+struct native_display *
+x11_create_ximage_display(EGLNativeDisplayType dpy,
+ boolean use_xshm,
+ native_flush_frontbuffer flush_frontbuffer);
+
+struct native_display *
+x11_create_dri2_display(EGLNativeDisplayType dpy,
+ struct drm_api *api,
+ native_flush_frontbuffer flush_frontbuffer);
+
+#endif /* _NATIVE_X11_H_ */
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <sys/ipc.h>
+#include <sys/types.h>
+#include <sys/shm.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/extensions/XShm.h>
+#include "util/u_memory.h"
+#include "util/u_math.h"
+#include "util/u_format.h"
+#include "pipe/p_compiler.h"
+#include "pipe/internal/p_winsys_screen.h"
+#include "softpipe/sp_winsys.h"
+#include "egllog.h"
+
+#include "sw_winsys.h"
+#include "native_x11.h"
+#include "x11_screen.h"
+
+enum ximage_surface_type {
+ XIMAGE_SURFACE_TYPE_WINDOW,
+ XIMAGE_SURFACE_TYPE_PIXMAP,
+ XIMAGE_SURFACE_TYPE_PBUFFER
+};
+
+struct ximage_display {
+ struct native_display base;
+ Display *dpy;
+ boolean own_dpy;
+
+ struct x11_screen *xscr;
+ int xscr_number;
+
+ boolean use_xshm;
+
+ struct pipe_winsys *winsys;
+ struct ximage_config *configs;
+ int num_configs;
+};
+
+struct ximage_buffer {
+ XImage *ximage;
+
+ struct pipe_texture *texture;
+ struct pipe_transfer *transfer;
+ XShmSegmentInfo *shm_info;
+ boolean xshm_attached;
+};
+
+struct ximage_surface {
+ struct native_surface base;
+ Drawable drawable;
+ enum ximage_surface_type type;
+ enum pipe_format color_format;
+ XVisualInfo visual;
+ struct ximage_display *xdpy;
+
+ int width, height;
+ GC gc;
+
+ struct ximage_buffer buffers[NUM_NATIVE_ATTACHMENTS];
+};
+
+struct ximage_config {
+ struct native_config base;
+ const XVisualInfo *visual;
+};
+
+static INLINE struct ximage_display *
+ximage_display(const struct native_display *ndpy)
+{
+ return (struct ximage_display *) ndpy;
+}
+
+static INLINE struct ximage_surface *
+ximage_surface(const struct native_surface *nsurf)
+{
+ return (struct ximage_surface *) nsurf;
+}
+
+static INLINE struct ximage_config *
+ximage_config(const struct native_config *nconf)
+{
+ return (struct ximage_config *) nconf;
+}
+
+static void
+ximage_surface_free_buffer(struct native_surface *nsurf,
+ enum native_attachment which)
+{
+ struct ximage_surface *xsurf = ximage_surface(nsurf);
+ struct ximage_buffer *xbuf = &xsurf->buffers[which];
+ struct pipe_screen *screen = xsurf->xdpy->base.screen;
+
+ if (xbuf->transfer) {
+ screen->tex_transfer_destroy(xbuf->transfer);
+ xbuf->transfer = NULL;
+ }
+ pipe_texture_reference(&xbuf->texture, NULL);
+
+ if (xbuf->shm_info) {
+ if (xbuf->xshm_attached)
+ XShmDetach(xsurf->xdpy->dpy, xbuf->shm_info);
+ if (xbuf->shm_info->shmaddr != (void *) -1)
+ shmdt(xbuf->shm_info->shmaddr);
+ if (xbuf->shm_info->shmid != -1)
+ shmctl(xbuf->shm_info->shmid, IPC_RMID, 0);
+
+ xbuf->shm_info->shmaddr = (void *) -1;
+ xbuf->shm_info->shmid = -1;
+ }
+}
+
+static boolean
+ximage_surface_alloc_buffer(struct native_surface *nsurf,
+ enum native_attachment which)
+{
+ struct ximage_surface *xsurf = ximage_surface(nsurf);
+ struct ximage_buffer *xbuf = &xsurf->buffers[which];
+ struct pipe_screen *screen = xsurf->xdpy->base.screen;
+ struct pipe_texture templ;
+
+ /* free old data */
+ if (xbuf->texture)
+ ximage_surface_free_buffer(&xsurf->base, which);
+
+ memset(&templ, 0, sizeof(templ));
+ templ.target = PIPE_TEXTURE_2D;
+ templ.format = xsurf->color_format;
+ templ.width0 = xsurf->width;
+ templ.height0 = xsurf->height;
+ templ.depth0 = 1;
+ templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
+
+ if (xbuf->shm_info) {
+ struct pipe_buffer *pbuf;
+ unsigned stride, size;
+ void *addr = NULL;
+
+ stride = util_format_get_stride(xsurf->color_format, xsurf->width);
+ /* alignment should depend on visual? */
+ stride = align(stride, 4);
+ size = stride * xsurf->height;
+
+ /* create and attach shm object */
+ xbuf->shm_info->shmid = shmget(IPC_PRIVATE, size, 0755);
+ if (xbuf->shm_info->shmid != -1) {
+ xbuf->shm_info->shmaddr =
+ shmat(xbuf->shm_info->shmid, NULL, 0);
+ if (xbuf->shm_info->shmaddr != (void *) -1) {
+ if (XShmAttach(xsurf->xdpy->dpy, xbuf->shm_info)) {
+ addr = xbuf->shm_info->shmaddr;
+ xbuf->xshm_attached = TRUE;
+ }
+ }
+ }
+
+ if (addr) {
+ pbuf = screen->user_buffer_create(screen, addr, size);
+ if (pbuf) {
+ xbuf->texture =
+ screen->texture_blanket(screen, &templ, &stride, pbuf);
+ pipe_buffer_reference(&pbuf, NULL);
+ }
+ }
+ }
+ else {
+ xbuf->texture = screen->texture_create(screen, &templ);
+ }
+
+ if (xbuf->texture) {
+ xbuf->transfer = screen->get_tex_transfer(screen, xbuf->texture,
+ 0, 0, 0, PIPE_TRANSFER_READ, 0, 0, xsurf->width, xsurf->height);
+ if (!xbuf->transfer)
+ pipe_texture_reference(&xbuf->texture, NULL);
+ }
+
+ /* clean up the buffer if allocation failed */
+ if (!xbuf->texture)
+ ximage_surface_free_buffer(&xsurf->base, which);
+
+ return (xbuf->texture != NULL);
+}
+
+static boolean
+ximage_surface_draw_buffer(struct native_surface *nsurf,
+ enum native_attachment which)
+{
+ struct ximage_surface *xsurf = ximage_surface(nsurf);
+ struct ximage_buffer *xbuf = &xsurf->buffers[which];
+ struct pipe_screen *screen = xsurf->xdpy->base.screen;
+
+ if (xsurf->type == XIMAGE_SURFACE_TYPE_PBUFFER)
+ return TRUE;
+
+ assert(xsurf->drawable && xbuf->ximage && xbuf->texture);
+
+ xbuf->ximage->data = screen->transfer_map(screen, xbuf->transfer);
+
+ if (xbuf->shm_info)
+ XShmPutImage(xsurf->xdpy->dpy, xsurf->drawable, xsurf->gc,
+ xbuf->ximage, 0, 0, 0, 0, xsurf->width, xsurf->height, False);
+ else
+ XPutImage(xsurf->xdpy->dpy, xsurf->drawable, xsurf->gc,
+ xbuf->ximage, 0, 0, 0, 0, xsurf->width, xsurf->height);
+
+ xbuf->ximage->data = NULL;
+ screen->transfer_unmap(screen, xbuf->transfer);
+
+ XSync(xsurf->xdpy->dpy, FALSE);
+
+ return TRUE;
+}
+
+static boolean
+ximage_surface_flush_frontbuffer(struct native_surface *nsurf)
+{
+ return ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_FRONT_LEFT);
+}
+
+static boolean
+ximage_surface_swap_buffers(struct native_surface *nsurf)
+{
+ struct ximage_surface *xsurf = ximage_surface(nsurf);
+ struct ximage_buffer *xfront, *xback, xtmp;
+
+ xfront = &xsurf->buffers[NATIVE_ATTACHMENT_FRONT_LEFT];
+ xback = &xsurf->buffers[NATIVE_ATTACHMENT_BACK_LEFT];
+
+ /* draw the back buffer directly if there is no front buffer */
+ if (!xfront->texture)
+ return ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_BACK_LEFT);
+
+ /* swap the buffers */
+ xtmp = *xfront;
+ *xfront = *xback;
+ *xback = xtmp;
+
+ return ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_FRONT_LEFT);
+}
+
+static void
+ximage_surface_update_geometry(struct native_surface *nsurf)
+{
+ struct ximage_surface *xsurf = ximage_surface(nsurf);
+ Status ok;
+ Window root;
+ int x, y;
+ unsigned int w, h, border, depth;
+
+ /* pbuffer has fixed geometry */
+ if (xsurf->type == XIMAGE_SURFACE_TYPE_PBUFFER)
+ return;
+
+ ok = XGetGeometry(xsurf->xdpy->dpy, xsurf->drawable,
+ &root, &x, &y, &w, &h, &border, &depth);
+ if (ok) {
+ xsurf->width = w;
+ xsurf->height = h;
+ }
+}
+
+static boolean
+ximage_surface_validate(struct native_surface *nsurf,
+ const enum native_attachment *natts,
+ unsigned num_natts,
+ struct pipe_texture **textures,
+ int *width, int *height)
+{
+ struct ximage_surface *xsurf = ximage_surface(nsurf);
+ boolean error = FALSE;
+ unsigned i;
+
+ ximage_surface_update_geometry(&xsurf->base);
+
+ if (textures)
+ memset(textures, 0, sizeof(*textures) * num_natts);
+
+ for (i = 0; i < num_natts; i++) {
+ enum native_attachment natt = natts[i];
+ struct ximage_buffer *xbuf = &xsurf->buffers[natt];
+
+ if (!xbuf)
+ continue;
+
+ /* reallocate the texture */
+ if (!xbuf->texture ||
+ xsurf->width != xbuf->texture->width0 ||
+ xsurf->height != xbuf->texture->height0) {
+ if (ximage_surface_alloc_buffer(&xsurf->base, natt)) {
+ /* update ximage */
+ if (xbuf->ximage) {
+ xbuf->ximage->width = xbuf->transfer->width;
+ xbuf->ximage->height = xbuf->transfer->height;
+ xbuf->ximage->bytes_per_line = xbuf->transfer->stride;
+ }
+ }
+ }
+
+ /* allocation failed */
+ if (!xbuf->texture) {
+ unsigned j;
+ for (j = 0; j < i; j++)
+ pipe_texture_reference(&textures[j], NULL);
+ for (j = i; j < num_natts; j++)
+ textures[j] = NULL;
+ error = TRUE;
+ break;
+ }
+
+ if (textures)
+ pipe_texture_reference(&textures[i], xbuf->texture);
+ }
+
+ if (width)
+ *width = xsurf->width;
+ if (height)
+ *height = xsurf->height;
+
+ return !error;
+}
+
+static void
+ximage_surface_wait(struct native_surface *nsurf)
+{
+ struct ximage_surface *xsurf = ximage_surface(nsurf);
+ XSync(xsurf->xdpy->dpy, FALSE);
+ /* TODO XGetImage and update the front texture */
+}
+
+static void
+ximage_surface_destroy(struct native_surface *nsurf)
+{
+ struct ximage_surface *xsurf = ximage_surface(nsurf);
+ int i;
+
+ for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) {
+ struct ximage_buffer *xbuf = &xsurf->buffers[i];
+ ximage_surface_free_buffer(&xsurf->base, i);
+ /* xbuf->shm_info is owned by xbuf->ximage? */
+ if (xbuf->ximage) {
+ XDestroyImage(xbuf->ximage);
+ xbuf->ximage = NULL;
+ }
+ }
+
+ if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER)
+ XFreeGC(xsurf->xdpy->dpy, xsurf->gc);
+ free(xsurf);
+}
+
+static struct ximage_surface *
+ximage_display_create_surface(struct native_display *ndpy,
+ enum ximage_surface_type type,
+ Drawable drawable,
+ const struct native_config *nconf)
+{
+ struct ximage_display *xdpy = ximage_display(ndpy);
+ struct ximage_config *xconf = ximage_config(nconf);
+ struct ximage_surface *xsurf;
+ int i;
+
+ xsurf = CALLOC_STRUCT(ximage_surface);
+ if (!xsurf)
+ return NULL;
+
+ xsurf->xdpy = xdpy;
+ xsurf->type = type;
+ xsurf->color_format = xconf->base.color_format;
+ xsurf->drawable = drawable;
+
+ if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER) {
+ xsurf->drawable = drawable;
+ xsurf->visual = *xconf->visual;
+
+ xsurf->gc = XCreateGC(xdpy->dpy, xsurf->drawable, 0, NULL);
+ if (!xsurf->gc) {
+ free(xsurf);
+ return NULL;
+ }
+
+ for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) {
+ struct ximage_buffer *xbuf = &xsurf->buffers[i];
+
+ if (xdpy->use_xshm) {
+ xbuf->shm_info = calloc(1, sizeof(*xbuf->shm_info));
+ if (xbuf->shm_info) {
+ /* initialize shm info */
+ xbuf->shm_info->shmid = -1;
+ xbuf->shm_info->shmaddr = (void *) -1;
+ xbuf->shm_info->readOnly = TRUE;
+
+ xbuf->ximage = XShmCreateImage(xsurf->xdpy->dpy,
+ xsurf->visual.visual,
+ xsurf->visual.depth,
+ ZPixmap, NULL,
+ xbuf->shm_info,
+ 0, 0);
+ }
+ }
+ else {
+ xbuf->ximage = XCreateImage(xsurf->xdpy->dpy,
+ xsurf->visual.visual,
+ xsurf->visual.depth,
+ ZPixmap, 0, /* format, offset */
+ NULL, /* data */
+ 0, 0, /* size */
+ 8, /* bitmap_pad */
+ 0); /* bytes_per_line */
+ }
+
+ if (!xbuf->ximage) {
+ XFreeGC(xdpy->dpy, xsurf->gc);
+ free(xsurf);
+ return NULL;
+ }
+ }
+ }
+
+ xsurf->base.destroy = ximage_surface_destroy;
+ xsurf->base.swap_buffers = ximage_surface_swap_buffers;
+ xsurf->base.flush_frontbuffer = ximage_surface_flush_frontbuffer;
+ xsurf->base.validate = ximage_surface_validate;
+ xsurf->base.wait = ximage_surface_wait;
+
+ return xsurf;
+}
+
+static struct native_surface *
+ximage_display_create_window_surface(struct native_display *ndpy,
+ EGLNativeWindowType win,
+ const struct native_config *nconf)
+{
+ struct ximage_surface *xsurf;
+
+ xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_WINDOW,
+ (Drawable) win, nconf);
+ return (xsurf) ? &xsurf->base : NULL;
+}
+
+static struct native_surface *
+ximage_display_create_pixmap_surface(struct native_display *ndpy,
+ EGLNativePixmapType pix,
+ const struct native_config *nconf)
+{
+ struct ximage_surface *xsurf;
+
+ xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_PIXMAP,
+ (Drawable) pix, nconf);
+ return (xsurf) ? &xsurf->base : NULL;
+}
+
+static struct native_surface *
+ximage_display_create_pbuffer_surface(struct native_display *ndpy,
+ const struct native_config *nconf,
+ uint width, uint height)
+{
+ struct ximage_surface *xsurf;
+
+ xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_PBUFFER,
+ (Drawable) None, nconf);
+ if (xsurf) {
+ xsurf->width = width;
+ xsurf->height = height;
+ }
+ return (xsurf) ? &xsurf->base : NULL;
+}
+
+static struct pipe_context *
+ximage_display_create_context(struct native_display *ndpy,
+ void *context_private)
+{
+ struct pipe_context *pctx = softpipe_create(ndpy->screen);
+ if (pctx)
+ pctx->priv = context_private;
+ return pctx;
+}
+
+static enum pipe_format
+choose_format(const XVisualInfo *vinfo)
+{
+ enum pipe_format fmt;
+ /* TODO elaborate the formats */
+ switch (vinfo->depth) {
+ case 32:
+ fmt = PIPE_FORMAT_A8R8G8B8_UNORM;
+ break;
+ case 24:
+ fmt = PIPE_FORMAT_X8R8G8B8_UNORM;
+ break;
+ case 16:
+ fmt = PIPE_FORMAT_R5G6B5_UNORM;
+ break;
+ default:
+ fmt = PIPE_FORMAT_NONE;
+ break;
+ }
+
+ return fmt;
+}
+
+static const struct native_config **
+ximage_display_get_configs(struct native_display *ndpy, int *num_configs)
+{
+ struct ximage_display *xdpy = ximage_display(ndpy);
+ const struct native_config **configs;
+ int i;
+
+ /* first time */
+ if (!xdpy->configs) {
+ const XVisualInfo *visuals;
+ int num_visuals, count, j;
+
+ visuals = x11_screen_get_visuals(xdpy->xscr, &num_visuals);
+ if (!visuals)
+ return NULL;
+
+ /*
+ * Create two configs for each visual.
+ * One with depth/stencil buffer; one without
+ */
+ xdpy->configs = calloc(num_visuals * 2, sizeof(*xdpy->configs));
+ if (!xdpy->configs)
+ return NULL;
+
+ count = 0;
+ for (i = 0; i < num_visuals; i++) {
+ for (j = 0; j < 2; j++) {
+ struct ximage_config *xconf = &xdpy->configs[count];
+ __GLcontextModes *mode = &xconf->base.mode;
+
+ xconf->visual = &visuals[i];
+ xconf->base.color_format = choose_format(xconf->visual);
+ if (xconf->base.color_format == PIPE_FORMAT_NONE)
+ continue;
+
+ x11_screen_convert_visual(xdpy->xscr, xconf->visual, mode);
+ /* support double buffer mode */
+ mode->doubleBufferMode = TRUE;
+
+ xconf->base.depth_format = PIPE_FORMAT_NONE;
+ xconf->base.stencil_format = PIPE_FORMAT_NONE;
+ /* create the second config with depth/stencil buffer */
+ if (j == 1) {
+ xconf->base.depth_format = PIPE_FORMAT_S8Z24_UNORM;
+ xconf->base.stencil_format = PIPE_FORMAT_S8Z24_UNORM;
+ mode->depthBits = 24;
+ mode->stencilBits = 8;
+ mode->haveDepthBuffer = TRUE;
+ mode->haveStencilBuffer = TRUE;
+ }
+
+ mode->maxPbufferWidth = 4096;
+ mode->maxPbufferHeight = 4096;
+ mode->maxPbufferPixels = 4096 * 4096;
+ mode->drawableType =
+ GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT;
+ mode->swapMethod = GLX_SWAP_EXCHANGE_OML;
+
+ if (mode->alphaBits)
+ mode->bindToTextureRgba = TRUE;
+ else
+ mode->bindToTextureRgb = TRUE;
+
+ count++;
+ }
+ }
+
+ xdpy->num_configs = count;
+ }
+
+ configs = malloc(xdpy->num_configs * sizeof(*configs));
+ if (configs) {
+ for (i = 0; i < xdpy->num_configs; i++)
+ configs[i] = (const struct native_config *) &xdpy->configs[i];
+ if (num_configs)
+ *num_configs = xdpy->num_configs;
+ }
+ return configs;
+}
+
+static void
+ximage_display_destroy(struct native_display *ndpy)
+{
+ struct ximage_display *xdpy = ximage_display(ndpy);
+
+ if (xdpy->configs)
+ free(xdpy->configs);
+
+ xdpy->base.screen->destroy(xdpy->base.screen);
+ free(xdpy->winsys);
+
+ x11_screen_destroy(xdpy->xscr);
+ if (xdpy->own_dpy)
+ XCloseDisplay(xdpy->dpy);
+ free(xdpy);
+}
+
+static void
+ximage_display_flush_frontbuffer(void *dummy, struct pipe_surface *surf,
+ void *context_private)
+{
+ /* TODO get native surface from context private, and remove the callback */
+ _eglLog(_EGL_WARNING, "flush_frontbuffer is not supplied");
+}
+
+struct native_display *
+x11_create_ximage_display(EGLNativeDisplayType dpy,
+ boolean use_xshm,
+ native_flush_frontbuffer flush_frontbuffer)
+{
+ struct ximage_display *xdpy;
+
+ xdpy = CALLOC_STRUCT(ximage_display);
+ if (!xdpy)
+ return NULL;
+
+ xdpy->dpy = dpy;
+ if (!xdpy->dpy) {
+ xdpy->dpy = XOpenDisplay(NULL);
+ if (!xdpy->dpy) {
+ free(xdpy);
+ return NULL;
+ }
+ xdpy->own_dpy = TRUE;
+ }
+
+ xdpy->xscr_number = DefaultScreen(xdpy->dpy);
+ xdpy->xscr = x11_screen_create(xdpy->dpy, xdpy->xscr_number);
+ if (!xdpy->xscr) {
+ free(xdpy);
+ return NULL;
+ }
+
+ xdpy->use_xshm =
+ (use_xshm && x11_screen_support(xdpy->xscr, X11_SCREEN_EXTENSION_XSHM));
+
+ xdpy->winsys = create_sw_winsys();
+ if (!flush_frontbuffer)
+ flush_frontbuffer = ximage_display_flush_frontbuffer;
+ xdpy->winsys->flush_frontbuffer =
+ (void (*)(struct pipe_winsys *, struct pipe_surface *, void *))
+ flush_frontbuffer;
+
+ xdpy->base.screen = softpipe_create_screen(xdpy->winsys);
+
+ xdpy->base.destroy = ximage_display_destroy;
+
+ xdpy->base.get_configs = ximage_display_get_configs;
+ xdpy->base.create_context = ximage_display_create_context;
+ xdpy->base.create_window_surface = ximage_display_create_window_surface;
+ xdpy->base.create_pixmap_surface = ximage_display_create_pixmap_surface;
+ xdpy->base.create_pbuffer_surface = ximage_display_create_pbuffer_surface;
+
+ return &xdpy->base;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * Totally software-based winsys layer.
+ * Note that the one winsys function that we can't implement here
+ * is flush_frontbuffer().
+ * Whoever uses this code will have to provide that.
+ *
+ * Authors: Brian Paul
+ */
+
+
+#include "pipe/internal/p_winsys_screen.h"
+#include "pipe/p_state.h"
+#include "pipe/p_inlines.h"
+#include "util/u_format.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
+#include "sw_winsys.h"
+
+
+
+/** Subclass of pipe_winsys */
+struct sw_pipe_winsys
+{
+ struct pipe_winsys Base;
+ /* no extra fields for now */
+};
+
+
+/** subclass of pipe_buffer */
+struct sw_pipe_buffer
+{
+ struct pipe_buffer Base;
+ boolean UserBuffer; /** Is this a user-space buffer? */
+ void *Data;
+ void *Mapped;
+};
+
+
+/** cast wrapper */
+static INLINE struct sw_pipe_buffer *
+sw_pipe_buffer(struct pipe_buffer *b)
+{
+ return (struct sw_pipe_buffer *) b;
+}
+
+
+static const char *
+get_name(struct pipe_winsys *pws)
+{
+ return "software";
+}
+
+
+/** Create new pipe_buffer and allocate storage of given size */
+static struct pipe_buffer *
+buffer_create(struct pipe_winsys *pws,
+ unsigned alignment,
+ unsigned usage,
+ unsigned size)
+{
+ struct sw_pipe_buffer *buffer = CALLOC_STRUCT(sw_pipe_buffer);
+ if (!buffer)
+ return NULL;
+
+ pipe_reference_init(&buffer->Base.reference, 1);
+ buffer->Base.alignment = alignment;
+ buffer->Base.usage = usage;
+ buffer->Base.size = size;
+
+ /* align to 16-byte multiple for Cell */
+ buffer->Data = align_malloc(size, MAX2(alignment, 16));
+
+ return &buffer->Base;
+}
+
+
+/**
+ * Create buffer which wraps user-space data.
+ */
+static struct pipe_buffer *
+user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
+{
+ struct sw_pipe_buffer *buffer = CALLOC_STRUCT(sw_pipe_buffer);
+ if (!buffer)
+ return NULL;
+
+ pipe_reference_init(&buffer->Base.reference, 1);
+ buffer->Base.size = bytes;
+ buffer->UserBuffer = TRUE;
+ buffer->Data = ptr;
+
+ return &buffer->Base;
+}
+
+
+static void *
+buffer_map(struct pipe_winsys *pws, struct pipe_buffer *buf, unsigned flags)
+{
+ struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf);
+ buffer->Mapped = buffer->Data;
+ return buffer->Mapped;
+}
+
+
+static void
+buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf)
+{
+ struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf);
+ buffer->Mapped = NULL;
+}
+
+
+static void
+buffer_destroy(struct pipe_buffer *buf)
+{
+ struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf);
+
+ if (buffer->Data && !buffer->UserBuffer) {
+ align_free(buffer->Data);
+ buffer->Data = NULL;
+ }
+
+ free(buffer);
+}
+
+
+static struct pipe_buffer *
+surface_buffer_create(struct pipe_winsys *winsys,
+ unsigned width, unsigned height,
+ enum pipe_format format,
+ unsigned usage,
+ unsigned tex_usage,
+ unsigned *stride)
+{
+ const unsigned alignment = 64;
+ unsigned nblocksy;
+
+ nblocksy = util_format_get_nblocksy(format, height);
+ *stride = align(util_format_get_stride(format, width), alignment);
+
+ return winsys->buffer_create(winsys, alignment,
+ usage,
+ *stride * nblocksy);
+}
+
+
+static void
+fence_reference(struct pipe_winsys *sws, struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence)
+{
+ /* no-op */
+}
+
+
+static int
+fence_signalled(struct pipe_winsys *sws, struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ /* no-op */
+ return 0;
+}
+
+
+static int
+fence_finish(struct pipe_winsys *sws, struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ /* no-op */
+ return 0;
+}
+
+
+/**
+ * Create/return a new pipe_winsys object.
+ */
+struct pipe_winsys *
+create_sw_winsys(void)
+{
+ struct sw_pipe_winsys *ws = CALLOC_STRUCT(sw_pipe_winsys);
+ if (!ws)
+ return NULL;
+
+ /* Fill in this struct with callbacks that pipe will need to
+ * communicate with the window system, buffer manager, etc.
+ */
+ ws->Base.buffer_create = buffer_create;
+ ws->Base.user_buffer_create = user_buffer_create;
+ ws->Base.buffer_map = buffer_map;
+ ws->Base.buffer_unmap = buffer_unmap;
+ ws->Base.buffer_destroy = buffer_destroy;
+
+ ws->Base.surface_buffer_create = surface_buffer_create;
+
+ ws->Base.fence_reference = fence_reference;
+ ws->Base.fence_signalled = fence_signalled;
+ ws->Base.fence_finish = fence_finish;
+
+ ws->Base.flush_frontbuffer = NULL; /* not implemented here! */
+
+ ws->Base.get_name = get_name;
+
+ return &ws->Base;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef SW_WINSYS_H
+#define SW_WINSYS_H
+
+
+struct pipe_winsys;
+
+
+extern struct pipe_winsys *
+create_sw_winsys(void);
+
+
+#endif /* SW_WINSYS_H */
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <X11/Xlibint.h>
+#include <X11/extensions/XShm.h>
+#include "util/u_memory.h"
+#include "util/u_math.h"
+#include "xf86drm.h"
+#include "egllog.h"
+
+#include "x11_screen.h"
+#include "dri2.h"
+#include "glxinit.h"
+
+struct x11_screen {
+ Display *dpy;
+ int number;
+
+ __GLXdisplayPrivate *glx_dpy;
+
+ int dri_major, dri_minor;
+ char *dri_driver;
+ char *dri_device;
+ int dri_fd;
+
+ XVisualInfo *visuals;
+ int num_visuals;
+};
+
+
+/**
+ * Create a X11 screen.
+ */
+struct x11_screen *
+x11_screen_create(Display *dpy, int screen)
+{
+ struct x11_screen *xscr;
+
+ if (screen >= ScreenCount(dpy))
+ return NULL;
+
+ xscr = CALLOC_STRUCT(x11_screen);
+ if (xscr) {
+ xscr->dpy = dpy;
+ xscr->number = screen;
+
+ xscr->dri_major = -1;
+ xscr->dri_fd = -1;
+ }
+ return xscr;
+}
+
+/**
+ * Destroy a X11 screen.
+ */
+void
+x11_screen_destroy(struct x11_screen *xscr)
+{
+ if (xscr->dri_fd >= 0)
+ close(xscr->dri_fd);
+ if (xscr->dri_driver)
+ Xfree(xscr->dri_driver);
+ if (xscr->dri_device)
+ Xfree(xscr->dri_device);
+
+ if (xscr->glx_dpy)
+ __glXRelease(xscr->glx_dpy);
+ if (xscr->visuals)
+ XFree(xscr->visuals);
+ free(xscr);
+}
+
+static boolean
+x11_screen_init_dri2(struct x11_screen *xscr)
+{
+ if (xscr->dri_major < 0) {
+ int eventBase, errorBase;
+
+ if (!DRI2QueryExtension(xscr->dpy, &eventBase, &errorBase) ||
+ !DRI2QueryVersion(xscr->dpy, &xscr->dri_major, &xscr->dri_minor))
+ xscr->dri_major = -1;
+ }
+ return (xscr->dri_major >= 0);
+}
+
+static boolean
+x11_screen_init_glx(struct x11_screen *xscr)
+{
+ if (!xscr->glx_dpy)
+ xscr->glx_dpy = __glXInitialize(xscr->dpy);
+ return (xscr->glx_dpy != NULL);
+}
+
+/**
+ * Return true if the screen supports the extension.
+ */
+boolean
+x11_screen_support(struct x11_screen *xscr, enum x11_screen_extension ext)
+{
+ boolean supported = FALSE;
+
+ switch (ext) {
+ case X11_SCREEN_EXTENSION_XSHM:
+ supported = XShmQueryExtension(xscr->dpy);
+ break;
+ case X11_SCREEN_EXTENSION_GLX:
+ supported = x11_screen_init_glx(xscr);
+ break;
+ case X11_SCREEN_EXTENSION_DRI2:
+ supported = x11_screen_init_dri2(xscr);
+ break;
+ default:
+ break;
+ }
+
+ return supported;
+}
+
+/**
+ * Return the X visuals.
+ */
+const XVisualInfo *
+x11_screen_get_visuals(struct x11_screen *xscr, int *num_visuals)
+{
+ if (!xscr->visuals) {
+ XVisualInfo vinfo_template;
+ vinfo_template.screen = xscr->number;
+ xscr->visuals = XGetVisualInfo(xscr->dpy, VisualScreenMask,
+ &vinfo_template, &xscr->num_visuals);
+ }
+
+ if (num_visuals)
+ *num_visuals = xscr->num_visuals;
+ return xscr->visuals;
+}
+
+void
+x11_screen_convert_visual(struct x11_screen *xscr, const XVisualInfo *visual,
+ __GLcontextModes *mode)
+{
+ int r, g, b, a;
+ int visual_type;
+
+ r = util_bitcount(visual->red_mask);
+ g = util_bitcount(visual->green_mask);
+ b = util_bitcount(visual->blue_mask);
+ a = visual->depth - (r + g + b);
+#if defined(__cplusplus) || defined(c_plusplus)
+ visual_type = visual->c_class;
+#else
+ visual_type = visual->class;
+#endif
+
+ /* convert to GLX visual type */
+ switch (visual_type) {
+ case TrueColor:
+ visual_type = GLX_TRUE_COLOR;
+ break;
+ case DirectColor:
+ visual_type = GLX_DIRECT_COLOR;
+ break;
+ case PseudoColor:
+ visual_type = GLX_PSEUDO_COLOR;
+ break;
+ case StaticColor:
+ visual_type = GLX_STATIC_COLOR;
+ break;
+ case GrayScale:
+ visual_type = GLX_GRAY_SCALE;
+ break;
+ case StaticGray:
+ visual_type = GLX_STATIC_GRAY;
+ break;
+ default:
+ visual_type = GLX_NONE;
+ break;
+ }
+
+ mode->rgbBits = r + g + b + a;
+ mode->redBits = r;
+ mode->greenBits = g;
+ mode->blueBits = b;
+ mode->alphaBits = a;
+ mode->visualID = visual->visualid;
+ mode->visualType = visual_type;
+
+ /* sane defaults */
+ mode->renderType = GLX_RGBA_BIT;
+ mode->rgbMode = TRUE;
+ mode->visualRating = GLX_SLOW_CONFIG;
+ mode->xRenderable = TRUE;
+}
+
+/**
+ * Return the GLX fbconfigs.
+ */
+const __GLcontextModes *
+x11_screen_get_glx_configs(struct x11_screen *xscr)
+{
+ return (x11_screen_init_glx(xscr))
+ ? xscr->glx_dpy->screenConfigs[xscr->number].configs
+ : NULL;
+}
+
+/**
+ * Return the GLX visuals.
+ */
+const __GLcontextModes *
+x11_screen_get_glx_visuals(struct x11_screen *xscr)
+{
+ return (x11_screen_init_glx(xscr))
+ ? xscr->glx_dpy->screenConfigs[xscr->number].visuals
+ : NULL;
+}
+
+static boolean
+x11_screen_is_driver_equal(struct x11_screen *xscr, const char *driver)
+{
+ return (strcmp(xscr->dri_driver, driver) == 0);
+}
+
+/**
+ * Enable DRI2 and returns the file descriptor of the DRM device. The file
+ * descriptor will be closed automatically when the screen is destoryed.
+ */
+int
+x11_screen_enable_dri2(struct x11_screen *xscr, const char *driver)
+{
+ if (xscr->dri_fd < 0) {
+ int fd;
+ drm_magic_t magic;
+
+ /* get the driver name and the device name first */
+ if (!xscr->dri_driver) {
+ if (!DRI2Connect(xscr->dpy, RootWindow(xscr->dpy, xscr->number),
+ &xscr->dri_driver, &xscr->dri_device)) {
+ xscr->dri_driver = xscr->dri_device = NULL;
+ return -1;
+ }
+ }
+
+ if (!x11_screen_is_driver_equal(xscr, driver)) {
+ _eglLog(_EGL_WARNING, "Driver mismatch: %s != %s",
+ xscr->dri_driver, driver);
+ return -1;
+ }
+
+ fd = open(xscr->dri_device, O_RDWR);
+ if (fd < 0) {
+ _eglLog(_EGL_WARNING, "failed to open %s", xscr->dri_device);
+ return -1;
+ }
+
+ memset(&magic, 0, sizeof(magic));
+ if (drmGetMagic(fd, &magic)) {
+ _eglLog(_EGL_WARNING, "failed to get magic");
+ close(fd);
+ return -1;
+ }
+
+ if (!DRI2Authenticate(xscr->dpy,
+ RootWindow(xscr->dpy, xscr->number), magic)) {
+ _eglLog(_EGL_WARNING, "failed to authenticate magic");
+ close(fd);
+ return -1;
+ }
+
+ xscr->dri_fd = fd;
+ }
+
+ return xscr->dri_fd;
+}
+
+/**
+ * Create/Destroy the DRI drawable.
+ */
+void
+x11_drawable_enable_dri2(struct x11_screen *xscr,
+ Drawable drawable, boolean on)
+{
+ if (on)
+ DRI2CreateDrawable(xscr->dpy, drawable);
+ else
+ DRI2DestroyDrawable(xscr->dpy, drawable);
+}
+
+/**
+ * Copy between buffers of the DRI2 drawable.
+ */
+void
+x11_drawable_copy_buffers(struct x11_screen *xscr, Drawable drawable,
+ int x, int y, int width, int height,
+ int src_buf, int dst_buf)
+{
+ XRectangle rect;
+ XserverRegion region;
+
+ rect.x = x;
+ rect.y = y;
+ rect.width = width;
+ rect.height = height;
+
+ region = XFixesCreateRegion(xscr->dpy, &rect, 1);
+ DRI2CopyRegion(xscr->dpy, drawable, region, dst_buf, src_buf);
+ XFixesDestroyRegion(xscr->dpy, region);
+}
+
+/**
+ * Get the buffers of the DRI2 drawable. The returned array should be freed.
+ */
+struct x11_drawable_buffer *
+x11_drawable_get_buffers(struct x11_screen *xscr, Drawable drawable,
+ int *width, int *height, unsigned int *attachments,
+ boolean with_format, int num_ins, int *num_outs)
+{
+ DRI2Buffer *dri2bufs;
+
+ if (with_format)
+ dri2bufs = DRI2GetBuffersWithFormat(xscr->dpy, drawable, width, height,
+ attachments, num_ins, num_outs);
+ else
+ dri2bufs = DRI2GetBuffers(xscr->dpy, drawable, width, height,
+ attachments, num_ins, num_outs);
+
+ return (struct x11_drawable_buffer *) dri2bufs;
+}
+
+/**
+ * Create a mode list of the given size.
+ */
+__GLcontextModes *
+x11_context_modes_create(unsigned count)
+{
+ const size_t size = sizeof(__GLcontextModes);
+ __GLcontextModes *base = NULL;
+ __GLcontextModes **next;
+ unsigned i;
+
+ next = &base;
+ for (i = 0; i < count; i++) {
+ *next = (__GLcontextModes *) calloc(1, size);
+ if (*next == NULL) {
+ x11_context_modes_destroy(base);
+ base = NULL;
+ break;
+ }
+ next = &((*next)->next);
+ }
+
+ return base;
+}
+
+/**
+ * Destroy a mode list.
+ */
+void
+x11_context_modes_destroy(__GLcontextModes *modes)
+{
+ while (modes != NULL) {
+ __GLcontextModes *next = modes->next;
+ free(modes);
+ modes = next;
+ }
+}
+
+/**
+ * Return the number of the modes in the mode list.
+ */
+unsigned
+x11_context_modes_count(const __GLcontextModes *modes)
+{
+ const __GLcontextModes *mode;
+ int count = 0;
+ for (mode = modes; mode; mode = mode->next)
+ count++;
+ return count;
+}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _X11_SCREEN_H_
+#define _X11_SCREEN_H_
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/extensions/dri2tokens.h>
+#include "pipe/p_compiler.h"
+#include "common/native.h"
+
+enum x11_screen_extension {
+ X11_SCREEN_EXTENSION_XSHM,
+ X11_SCREEN_EXTENSION_GLX,
+ X11_SCREEN_EXTENSION_DRI2,
+};
+
+/* the same as DRI2Buffer */
+struct x11_drawable_buffer {
+ unsigned int attachment;
+ unsigned int name;
+ unsigned int pitch;
+ unsigned int cpp;
+ unsigned int flags;
+};
+
+struct x11_screen;
+
+struct x11_screen *
+x11_screen_create(Display *dpy, int screen);
+
+void
+x11_screen_destroy(struct x11_screen *xscr);
+
+boolean
+x11_screen_support(struct x11_screen *xscr, enum x11_screen_extension ext);
+
+const XVisualInfo *
+x11_screen_get_visuals(struct x11_screen *xscr, int *num_visuals);
+
+void
+x11_screen_convert_visual(struct x11_screen *xscr, const XVisualInfo *visual,
+ __GLcontextModes *mode);
+
+const __GLcontextModes *
+x11_screen_get_glx_configs(struct x11_screen *xscr);
+
+const __GLcontextModes *
+x11_screen_get_glx_visuals(struct x11_screen *xscr);
+
+int
+x11_screen_enable_dri2(struct x11_screen *xscr, const char *driver);
+
+__GLcontextModes *
+x11_context_modes_create(unsigned count);
+
+void
+x11_context_modes_destroy(__GLcontextModes *modes);
+
+unsigned
+x11_context_modes_count(const __GLcontextModes *modes);
+
+void
+x11_drawable_enable_dri2(struct x11_screen *xscr,
+ Drawable drawable, boolean on);
+
+void
+x11_drawable_copy_buffers(struct x11_screen *xscr, Drawable drawable,
+ int x, int y, int width, int height,
+ int src_buf, int dst_buf);
+
+struct x11_drawable_buffer *
+x11_drawable_get_buffers(struct x11_screen *xscr, Drawable drawable,
+ int *width, int *height, unsigned int *attachments,
+ boolean with_format, int num_ins, int *num_outs);
+
+#endif /* _X11_SCREEN_H_ */
projects / profile / ivi / mesa.git / commitdiff