/**************************************************************************
*
* Copyright 2009 VMware, Inc. All Rights Reserved.
+ * Copyright 2010 LunarG, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
#include "util/u_sampler.h"
#include "cso_cache/cso_context.h"
+#include "tgsi/tgsi_ureg.h"
+
+typedef enum {
+ RENDERER_STATE_INIT,
+ RENDERER_STATE_COPY,
+ NUM_RENDERER_STATES
+} RendererState;
+
+typedef enum {
+ RENDERER_VS_PLAIN,
+ RENDERER_VS_COLOR,
+ RENDERER_VS_TEXTURE,
+ NUM_RENDERER_VS
+} RendererVs;
+
+typedef enum {
+ RENDERER_FS_COLOR,
+ RENDERER_FS_TEXTURE,
+ NUM_RENDERER_FS
+} RendererFs;
struct renderer {
struct pipe_context *pipe;
void *fs;
VGfloat vertices[4][2][4];
+
+ void *cached_vs[NUM_RENDERER_VS];
+ void *cached_fs[NUM_RENDERER_FS];
+
+ RendererState state;
+
+ /* state data */
+ union {
+ struct {
+ VGint tex_width;
+ VGint tex_height;
+ } copy;
+ } u;
};
+/**
+ * Return VG_TRUE if the renderer can use the resource as the asked bindings.
+ */
+static VGboolean renderer_can_support(struct renderer *renderer,
+ struct pipe_resource *res,
+ unsigned bindings)
+{
+ struct pipe_screen *screen = renderer->pipe->screen;
+
+ return screen->is_format_supported(screen,
+ res->format, res->target, 0, bindings, 0);
+}
+
+/**
+ * Create a simple vertex shader that passes through position and the given
+ * attribute.
+ */
+static void *create_passthrough_vs(struct pipe_context *pipe, int semantic_name)
+{
+ struct ureg_program *ureg;
+ struct ureg_src src[2], constants[2];
+ struct ureg_dst dst[2], tmp;
+ int i;
+
+ ureg = ureg_create(TGSI_PROCESSOR_VERTEX);
+ if (!ureg)
+ return NULL;
+
+ /* position in surface coordinates */
+ src[0] = ureg_DECL_vs_input(ureg, 0);
+ dst[0] = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
+ tmp = ureg_DECL_temporary(ureg);
+ for (i = 0; i < 2; i++)
+ constants[i] = ureg_DECL_constant(ureg, i);
+
+ /* transform to clipped coordinates */
+ ureg_MUL(ureg, tmp, src[0], constants[0]);
+ ureg_ADD(ureg, tmp, ureg_src(tmp), constants[1]);
+ ureg_MOV(ureg, dst[0], ureg_src(tmp));
+
+ if (semantic_name >= 0) {
+ src[1] = ureg_DECL_vs_input(ureg, 1);
+ dst[1] = ureg_DECL_output(ureg, semantic_name, 0);
+ ureg_MOV(ureg, dst[1], src[1]);
+ }
+
+ ureg_END(ureg);
+
+ return ureg_create_shader_and_destroy(ureg, pipe);
+}
+
+/**
+ * Set renderer vertex shader.
+ *
+ * This function modifies vertex_shader state.
+ */
+static void renderer_set_vs(struct renderer *r, RendererVs id)
+{
+ /* create as needed */
+ if (!r->cached_vs[id]) {
+ int semantic_name = -1;
+
+ switch (id) {
+ case RENDERER_VS_PLAIN:
+ break;
+ case RENDERER_VS_COLOR:
+ semantic_name = TGSI_SEMANTIC_COLOR;
+ break;
+ case RENDERER_VS_TEXTURE:
+ semantic_name = TGSI_SEMANTIC_GENERIC;
+ break;
+ default:
+ assert(!"Unknown renderer vs id");
+ break;
+ }
+
+ r->cached_vs[id] = create_passthrough_vs(r->pipe, semantic_name);
+ }
+
+ cso_set_vertex_shader_handle(r->cso, r->cached_vs[id]);
+}
+
+/**
+ * Set renderer fragment shader.
+ *
+ * This function modifies fragment_shader state.
+ */
+static void renderer_set_fs(struct renderer *r, RendererFs id)
+{
+ /* create as needed */
+ if (!r->cached_fs[id]) {
+ void *fs = NULL;
+
+ switch (id) {
+ case RENDERER_FS_COLOR:
+ fs = util_make_fragment_passthrough_shader(r->pipe);
+ break;
+ case RENDERER_FS_TEXTURE:
+ fs = util_make_fragment_tex_shader(r->pipe,
+ TGSI_TEXTURE_2D, TGSI_INTERPOLATE_LINEAR);
+ break;
+ default:
+ assert(!"Unknown renderer fs id");
+ break;
+ }
+
+ r->cached_fs[id] = fs;
+ }
+
+ cso_set_fragment_shader_handle(r->cso, r->cached_fs[id]);
+}
+
+/**
+ * Set renderer target.
+ *
+ * This function modifies framebuffer and viewport states.
+ */
+static void renderer_set_target(struct renderer *r,
+ struct pipe_surface *cbuf,
+ struct pipe_surface *zsbuf,
+ VGboolean y0_top)
+{
+ struct pipe_framebuffer_state fb;
+
+ memset(&fb, 0, sizeof(fb));
+ fb.width = cbuf->width;
+ fb.height = cbuf->height;
+ fb.cbufs[0] = cbuf;
+ fb.nr_cbufs = 1;
+ fb.zsbuf = zsbuf;
+ cso_set_framebuffer(r->cso, &fb);
+
+ vg_set_viewport(r->owner, (y0_top) ? VEGA_Y0_TOP : VEGA_Y0_BOTTOM);
+}
+
+/**
+ * Set renderer blend state. Blending is disabled.
+ *
+ * This function modifies blend state.
+ */
+static void renderer_set_blend(struct renderer *r,
+ VGbitfield channel_mask)
+{
+ struct pipe_blend_state blend;
+
+ memset(&blend, 0, sizeof(blend));
+
+ blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
+ blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
+
+ if (channel_mask & VG_RED)
+ blend.rt[0].colormask |= PIPE_MASK_R;
+ if (channel_mask & VG_GREEN)
+ blend.rt[0].colormask |= PIPE_MASK_G;
+ if (channel_mask & VG_BLUE)
+ blend.rt[0].colormask |= PIPE_MASK_B;
+ if (channel_mask & VG_ALPHA)
+ blend.rt[0].colormask |= PIPE_MASK_A;
+
+ cso_set_blend(r->cso, &blend);
+}
+
+/**
+ * Set renderer sampler and view states.
+ *
+ * This function modifies samplers and fragment_sampler_views states.
+ */
+static void renderer_set_samplers(struct renderer *r,
+ uint num_views,
+ struct pipe_sampler_view **views)
+{
+ struct pipe_sampler_state sampler;
+ unsigned tex_filter = PIPE_TEX_FILTER_NEAREST;
+ unsigned tex_wrap = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ uint i;
+
+ memset(&sampler, 0, sizeof(sampler));
+
+ sampler.min_img_filter = tex_filter;
+ sampler.mag_img_filter = tex_filter;
+ sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+
+ sampler.wrap_s = tex_wrap;
+ sampler.wrap_t = tex_wrap;
+ sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+
+ sampler.normalized_coords = 1;
+
+ /* set samplers */
+ for (i = 0; i < num_views; i++)
+ cso_single_sampler(r->cso, i, &sampler);
+ cso_single_sampler_done(r->cso);
+
+ /* set views */
+ cso_set_fragment_sampler_views(r->cso, num_views, views);
+}
+
+/**
+ * Setup renderer quad position.
+ */
+static void renderer_quad_pos(struct renderer *r,
+ VGfloat x0, VGfloat y0,
+ VGfloat x1, VGfloat y1,
+ VGboolean scissor)
+{
+ VGfloat z;
+
+ /* the depth test is used for scissoring */
+ z = (scissor) ? 0.0f : 1.0f;
+
+ /* positions */
+ r->vertices[0][0][0] = x0;
+ r->vertices[0][0][1] = y0;
+ r->vertices[0][0][2] = z;
+
+ r->vertices[1][0][0] = x1;
+ r->vertices[1][0][1] = y0;
+ r->vertices[1][0][2] = z;
+
+ r->vertices[2][0][0] = x1;
+ r->vertices[2][0][1] = y1;
+ r->vertices[2][0][2] = z;
+
+ r->vertices[3][0][0] = x0;
+ r->vertices[3][0][1] = y1;
+ r->vertices[3][0][2] = z;
+}
+
+/**
+ * Setup renderer quad texture coordinates.
+ */
+static void renderer_quad_texcoord(struct renderer *r,
+ VGfloat x0, VGfloat y0,
+ VGfloat x1, VGfloat y1,
+ VGint tex_width, VGint tex_height)
+{
+ VGfloat s0, t0, s1, t1, r0, q0;
+ VGint i;
+
+ s0 = x0 / tex_width;
+ s1 = x1 / tex_width;
+ t0 = y0 / tex_height;
+ t1 = y1 / tex_height;
+ r0 = 0.0f;
+ q0 = 1.0f;
+
+ /* texcoords */
+ r->vertices[0][1][0] = s0;
+ r->vertices[0][1][1] = t0;
+
+ r->vertices[1][1][0] = s1;
+ r->vertices[1][1][1] = t0;
+
+ r->vertices[2][1][0] = s1;
+ r->vertices[2][1][1] = t1;
+
+ r->vertices[3][1][0] = s0;
+ r->vertices[3][1][1] = t1;
+
+ for (i = 0; i < 4; i++) {
+ r->vertices[i][1][2] = r0;
+ r->vertices[i][1][3] = q0;
+ }
+}
+
+/**
+ * Draw renderer quad.
+ */
+static void renderer_quad_draw(struct renderer *r)
+{
+ struct pipe_resource *buf;
+
+ buf = pipe_user_buffer_create(r->pipe->screen,
+ r->vertices,
+ sizeof(r->vertices),
+ PIPE_BIND_VERTEX_BUFFER);
+ if (buf) {
+ cso_set_vertex_elements(r->cso, 2, r->owner->velems);
+ util_draw_vertex_buffer(r->pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ Elements(r->vertices), /* verts */
+ Elements(r->vertices[0])); /* attribs/vert */
+
+ pipe_resource_reference(&buf, NULL);
+ }
+}
+
+/**
+ * Prepare the renderer for copying.
+ */
+VGboolean renderer_copy_begin(struct renderer *renderer,
+ struct pipe_surface *dst,
+ VGboolean y0_top,
+ struct pipe_sampler_view *src)
+{
+ assert(renderer->state == RENDERER_STATE_INIT);
+
+ /* sanity check */
+ if (!renderer_can_support(renderer,
+ dst->texture, PIPE_BIND_RENDER_TARGET) ||
+ !renderer_can_support(renderer,
+ src->texture, PIPE_BIND_SAMPLER_VIEW))
+ return VG_FALSE;
+
+ cso_save_framebuffer(renderer->cso);
+ cso_save_viewport(renderer->cso);
+ cso_save_blend(renderer->cso);
+ cso_save_samplers(renderer->cso);
+ cso_save_fragment_sampler_views(renderer->cso);
+ cso_save_fragment_shader(renderer->cso);
+ cso_save_vertex_shader(renderer->cso);
+
+ renderer_set_target(renderer, dst, NULL, y0_top);
+
+ renderer_set_blend(renderer, ~0);
+ renderer_set_samplers(renderer, 1, &src);
+
+ renderer_set_fs(renderer, RENDERER_FS_TEXTURE);
+ renderer_set_vs(renderer, RENDERER_VS_TEXTURE);
+
+ /* remember the texture size */
+ renderer->u.copy.tex_width = src->texture->width0;
+ renderer->u.copy.tex_height = src->texture->height0;
+ renderer->state = RENDERER_STATE_COPY;
+
+ return VG_TRUE;
+}
+
+/**
+ * Draw into the destination rectangle given by (x, y, w, h). The texture is
+ * sampled from within the rectangle given by (sx, sy, sw, sh).
+ *
+ * The coordinates are in surface coordinates.
+ */
+void renderer_copy(struct renderer *renderer,
+ VGint x, VGint y, VGint w, VGint h,
+ VGint sx, VGint sy, VGint sw, VGint sh)
+{
+ assert(renderer->state == RENDERER_STATE_COPY);
+
+ /* there is no depth buffer for scissoring anyway */
+ renderer_quad_pos(renderer, x, y, x + w, y + h, VG_FALSE);
+ renderer_quad_texcoord(renderer, sx, sy, sx + sw, sy + sh,
+ renderer->u.copy.tex_width,
+ renderer->u.copy.tex_height);
+
+ renderer_quad_draw(renderer);
+}
+
+/**
+ * End copying and restore the states.
+ */
+void renderer_copy_end(struct renderer *renderer)
+{
+ assert(renderer->state == RENDERER_STATE_COPY);
+
+ cso_restore_framebuffer(renderer->cso);
+ cso_restore_viewport(renderer->cso);
+ cso_restore_blend(renderer->cso);
+ cso_restore_samplers(renderer->cso);
+ cso_restore_fragment_sampler_views(renderer->cso);
+ cso_restore_fragment_shader(renderer->cso);
+ cso_restore_vertex_shader(renderer->cso);
+
+ renderer->state = RENDERER_STATE_INIT;
+}
+
static void setup_shaders(struct renderer *ctx)
{
struct pipe_context *pipe = ctx->pipe;
PIPE_BIND_VERTEX_BUFFER);
}
-static struct pipe_resource *
-setup_vertex_data_tex(struct renderer *ctx,
- float x0, float y0, float x1, float y1,
- float s0, float t0, float s1, float t1,
- float z)
-{
- ctx->vertices[0][0][0] = x0;
- ctx->vertices[0][0][1] = y0;
- ctx->vertices[0][0][2] = z;
- ctx->vertices[0][1][0] = s0; /*s*/
- ctx->vertices[0][1][1] = t0; /*t*/
-
- ctx->vertices[1][0][0] = x1;
- ctx->vertices[1][0][1] = y0;
- ctx->vertices[1][0][2] = z;
- ctx->vertices[1][1][0] = s1; /*s*/
- ctx->vertices[1][1][1] = t0; /*t*/
-
- ctx->vertices[2][0][0] = x1;
- ctx->vertices[2][0][1] = y1;
- ctx->vertices[2][0][2] = z;
- ctx->vertices[2][1][0] = s1;
- ctx->vertices[2][1][1] = t1;
-
- ctx->vertices[3][0][0] = x0;
- ctx->vertices[3][0][1] = y1;
- ctx->vertices[3][0][2] = z;
- ctx->vertices[3][1][0] = s0;
- ctx->vertices[3][1][1] = t1;
-
- return pipe_user_buffer_create( ctx->pipe->screen,
- ctx->vertices,
- sizeof(ctx->vertices),
- PIPE_BIND_VERTEX_BUFFER);
-}
-
-
-static struct pipe_resource *
-setup_vertex_data_qtex(struct renderer *ctx,
- float x0, float y0, float x1, float y1,
- float x2, float y2, float x3, float y3,
- float s0, float t0, float s1, float t1,
- float z)
-{
- ctx->vertices[0][0][0] = x0;
- ctx->vertices[0][0][1] = y0;
- ctx->vertices[0][0][2] = z;
- ctx->vertices[0][1][0] = s0; /*s*/
- ctx->vertices[0][1][1] = t0; /*t*/
-
- ctx->vertices[1][0][0] = x1;
- ctx->vertices[1][0][1] = y1;
- ctx->vertices[1][0][2] = z;
- ctx->vertices[1][1][0] = s1; /*s*/
- ctx->vertices[1][1][1] = t0; /*t*/
-
- ctx->vertices[2][0][0] = x2;
- ctx->vertices[2][0][1] = y2;
- ctx->vertices[2][0][2] = z;
- ctx->vertices[2][1][0] = s1;
- ctx->vertices[2][1][1] = t1;
-
- ctx->vertices[3][0][0] = x3;
- ctx->vertices[3][0][1] = y3;
- ctx->vertices[3][0][2] = z;
- ctx->vertices[3][1][0] = s0;
- ctx->vertices[3][1][1] = t1;
-
- return pipe_user_buffer_create( ctx->pipe->screen,
- ctx->vertices,
- sizeof(ctx->vertices),
- PIPE_BIND_VERTEX_BUFFER);
-}
-
struct renderer * renderer_create(struct vg_context *owner)
{
VGint i;
setup_shaders(renderer);
/* init vertex data that doesn't change */
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < 4; i++)
renderer->vertices[i][0][3] = 1.0f; /* w */
- renderer->vertices[i][1][2] = 0.0f; /* r */
- renderer->vertices[i][1][3] = 1.0f; /* q */
- }
+
+ renderer->state = RENDERER_STATE_INIT;
return renderer;
}
void renderer_destroy(struct renderer *ctx)
{
+ int i;
+
+ for (i = 0; i < NUM_RENDERER_VS; i++) {
+ if (ctx->cached_vs[i])
+ cso_delete_vertex_shader(ctx->cso, ctx->cached_vs[i]);
+ }
+ for (i = 0; i < NUM_RENDERER_FS; i++) {
+ if (ctx->cached_fs[i])
+ cso_delete_fragment_shader(ctx->cso, ctx->cached_fs[i]);
+ }
+
#if 0
if (ctx->fs) {
cso_delete_fragment_shader(ctx->cso, ctx->fs);
VGfloat x2, VGfloat y2,
VGfloat depth)
{
- struct pipe_resource *buf;
+ assert(r->state == RENDERER_STATE_INIT);
+ assert(floatsEqual(depth, 0.0f));
- buf = setup_vertex_data(r, x1, y1, x2, y2, depth);
-
- if (buf) {
- cso_set_vertex_elements(r->cso, 2, r->owner->velems);
- util_draw_vertex_buffer(r->pipe, buf, 0,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 2); /* attribs/vert */
-
- pipe_resource_reference( &buf,
- NULL );
- }
+ renderer_quad_pos(r, x1, y1, x2, y2, VG_TRUE);
+ renderer_quad_draw(r);
}
void renderer_draw_texture(struct renderer *r,
VGfloat x1, VGfloat y1,
VGfloat x2, VGfloat y2)
{
- struct pipe_context *pipe = r->pipe;
- struct pipe_resource *buf;
- VGfloat s0, t0, s1, t1;
-
+ assert(r->state == RENDERER_STATE_INIT);
assert(tex->width0 != 0);
assert(tex->height0 != 0);
- s0 = x1offset / tex->width0;
- s1 = x2offset / tex->width0;
- t0 = y1offset / tex->height0;
- t1 = y2offset / tex->height0;
-
cso_save_vertex_shader(r->cso);
- /* shaders */
- cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner));
- /* draw quad */
- buf = setup_vertex_data_tex(r, x1, y1, x2, y2,
- s0, t0, s1, t1, 0.0f);
+ renderer_set_vs(r, RENDERER_VS_TEXTURE);
- if (buf) {
- cso_set_vertex_elements(r->cso, 2, r->owner->velems);
- util_draw_vertex_buffer(pipe, buf, 0,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 2); /* attribs/vert */
-
- pipe_resource_reference( &buf,
- NULL );
- }
+ renderer_quad_pos(r, x1, y1, x2, y2, VG_TRUE);
+ renderer_quad_texcoord(r, x1offset, y1offset,
+ x2offset, y2offset, tex->width0, tex->height0);
+ renderer_quad_draw(r);
cso_restore_vertex_shader(r->cso);
}
VGfloat dx1, VGfloat dy1,
VGfloat dx2, VGfloat dy2)
{
- struct pipe_context *pipe = ctx->pipe;
- struct pipe_screen *screen = pipe->screen;
- struct pipe_resource *tex = src->texture;
- struct pipe_resource *buf;
- struct pipe_surface *dst_surf = screen->get_tex_surface(
- screen, dst, 0, 0, 0,
- PIPE_BIND_RENDER_TARGET);
- struct pipe_framebuffer_state fb;
- float s0, t0, s1, t1;
+ struct pipe_surface *surf;
+ VGint x, y, w, h, sx, sy, sw, sh;
- assert(tex->width0 != 0);
- assert(tex->height0 != 0);
+ /* get the destination surface */
+ surf = ctx->pipe->screen->get_tex_surface(ctx->pipe->screen,
+ dst, 0, 0, 0, PIPE_BIND_RENDER_TARGET);
+ if (!surf)
+ return;
+
+ assert(ctx->state == RENDERER_STATE_INIT);
+ assert(src->texture->width0 != 0);
+ assert(src->texture->height0 != 0);
assert(dst->width0 != 0);
assert(dst->height0 != 0);
-#if 0
- debug_printf("copy texture [%f, %f, %f, %f], [%f, %f, %f, %f]\n",
- sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2);
-#endif
-
-#if 1
- s0 = sx1 / tex->width0;
- s1 = sx2 / tex->width0;
- t0 = sy1 / tex->height0;
- t1 = sy2 / tex->height0;
-#else
- s0 = 0;
- s1 = 1;
- t0 = 0;
- t1 = 1;
-#endif
-
- assert(screen->is_format_supported(screen, dst_surf->format, PIPE_TEXTURE_2D,
- 0, PIPE_BIND_RENDER_TARGET, 0));
-
- /* save state (restored below) */
- cso_save_blend(ctx->cso);
- cso_save_samplers(ctx->cso);
- cso_save_fragment_sampler_views(ctx->cso);
- cso_save_framebuffer(ctx->cso);
- cso_save_fragment_shader(ctx->cso);
- cso_save_vertex_shader(ctx->cso);
-
- cso_save_viewport(ctx->cso);
-
-
- /* set misc state we care about */
- {
- struct pipe_blend_state blend;
- memset(&blend, 0, sizeof(blend));
- blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend.rt[0].colormask = PIPE_MASK_RGBA;
- cso_set_blend(ctx->cso, &blend);
- }
-
- /* sampler */
- {
- struct pipe_sampler_state sampler;
- memset(&sampler, 0, sizeof(sampler));
- sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
- sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
- sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
- sampler.normalized_coords = 1;
- cso_single_sampler(ctx->cso, 0, &sampler);
- cso_single_sampler_done(ctx->cso);
- }
-
- vg_set_viewport(ctx->owner, VEGA_Y0_TOP);
-
- /* texture */
- cso_set_fragment_sampler_views(ctx->cso, 1, &src);
-
- /* shaders */
- cso_set_vertex_shader_handle(ctx->cso, vg_texture_vs(ctx->owner));
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs);
-
- /* drawing dest */
- memset(&fb, 0, sizeof(fb));
- fb.width = dst_surf->width;
- fb.height = dst_surf->height;
- fb.nr_cbufs = 1;
- fb.cbufs[0] = dst_surf;
- {
- VGint i;
- for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i)
- fb.cbufs[i] = 0;
- }
- cso_set_framebuffer(ctx->cso, &fb);
-
- /* draw quad */
- buf = setup_vertex_data_tex(ctx,
- dx1, dy1,
- dx2, dy2,
- s0, t0, s1, t1,
- 0.0f);
-
- if (buf) {
- cso_set_vertex_elements(ctx->cso, 2, ctx->owner->velems);
- util_draw_vertex_buffer(ctx->pipe, buf, 0,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 2); /* attribs/vert */
-
- pipe_resource_reference( &buf,
- NULL );
+ x = (VGint) dx1;
+ y = (VGint) dy1;
+ w = (VGint) (dx2 - dx1);
+ h = (VGint) (dy2 - dy1);
+ assert(floatsEqual(x, dx1) &&
+ floatsEqual(y, dy1) &&
+ floatsEqual(w, (dx2 - dx1)) &&
+ floatsEqual(h, (dy2 - dy1)));
+
+ sx = (VGint) sx1;
+ sy = (VGint) sy1;
+ sw = (VGint) (sx2 - sx1);
+ sh = (VGint) (sy2 - sy1);
+ assert(floatsEqual(sx, sx1) &&
+ floatsEqual(sy, sy1) &&
+ floatsEqual(sw, (sx2 - sx1)) &&
+ floatsEqual(sh, (sy2 - sy1)));
+
+ if (renderer_copy_begin(ctx, surf, VG_TRUE, src)) {
+ renderer_copy(ctx, x, y, w, h, sx, sy, sw, sh);
+ renderer_copy_end(ctx);
}
- /* restore state we changed */
- cso_restore_blend(ctx->cso);
- cso_restore_samplers(ctx->cso);
- cso_restore_fragment_sampler_views(ctx->cso);
- cso_restore_framebuffer(ctx->cso);
- cso_restore_vertex_shader(ctx->cso);
- cso_restore_fragment_shader(ctx->cso);
- cso_restore_viewport(ctx->cso);
-
- pipe_surface_reference(&dst_surf, NULL);
+ pipe_surface_reference(&surf, NULL);
}
void renderer_copy_surface(struct renderer *ctx,
VGfloat x3, VGfloat y3,
VGfloat x4, VGfloat y4)
{
- struct pipe_context *pipe = r->pipe;
- struct pipe_resource *buf;
- VGfloat s0, t0, s1, t1;
+ const VGfloat z = 0.0f;
+ assert(r->state == RENDERER_STATE_INIT);
assert(tex->width0 != 0);
assert(tex->height0 != 0);
- s0 = x1offset / tex->width0;
- s1 = x2offset / tex->width0;
- t0 = y1offset / tex->height0;
- t1 = y2offset / tex->height0;
-
cso_save_vertex_shader(r->cso);
- /* shaders */
- cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner));
- /* draw quad */
- buf = setup_vertex_data_qtex(r, x1, y1, x2, y2, x3, y3, x4, y4,
- s0, t0, s1, t1, 0.0f);
+ renderer_set_vs(r, RENDERER_VS_TEXTURE);
- if (buf) {
- cso_set_vertex_elements(r->cso, 2, r->owner->velems);
- util_draw_vertex_buffer(pipe, buf, 0,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 2); /* attribs/vert */
+ /* manually set up positions */
+ r->vertices[0][0][0] = x1;
+ r->vertices[0][0][1] = y1;
+ r->vertices[0][0][2] = z;
- pipe_resource_reference(&buf,
- NULL);
- }
+ r->vertices[1][0][0] = x2;
+ r->vertices[1][0][1] = y2;
+ r->vertices[1][0][2] = z;
+
+ r->vertices[2][0][0] = x3;
+ r->vertices[2][0][1] = y3;
+ r->vertices[2][0][2] = z;
+
+ r->vertices[3][0][0] = x4;
+ r->vertices[3][0][1] = y4;
+ r->vertices[3][0][2] = z;
+
+ /* texcoords */
+ renderer_quad_texcoord(r, x1offset, y1offset,
+ x2offset, y2offset, tex->width0, tex->height0);
+
+ renderer_quad_draw(r);
cso_restore_vertex_shader(r->cso);
}
projects / platform / upstream / mesa.git / commitdiff