**************************************************************************/
+#include "glheader.h"
+#include "imports.h"
+#include "mtypes.h"
+#include "framebuffer.h"
+#include "renderbuffer.h"
+
#include "nouveau_context.h"
#include "nouveau_screen.h"
#include "nouveau_object.h"
+#include "nouveau_span.h"
+
+#include "utils.h"
+#include "context.h"
+#include "vblank.h"
+#include "drirenderbuffer.h"
+
+#include "GL/internal/dri_interface.h"
#include "xmlpool.h"
DRI_CONF_END;
static const GLuint __driNConfigOptions = 1;
+extern const struct dri_extension common_extensions[];
+
static nouveauScreenPtr nouveauCreateScreen(__DRIscreenPrivate *sPriv)
{
nouveauScreenPtr screen;
__driUtilMessage("%s: Could not allocate memory for screen structure",__FUNCTION__);
return NULL;
}
-
/* parse information in __driConfigOptions */
driParseOptionInfo (&screen->optionCache,__driConfigOptions, __driNConfigOptions);
+ screen->fbFormat = dri_priv->bpp / 8;
+ screen->frontOffset = dri_priv->front_offset;
+ screen->frontPitch = dri_priv->front_pitch;
+ screen->backOffset = dri_priv->back_offset;
+ screen->backPitch = dri_priv->back_pitch;
+ screen->depthOffset = dri_priv->depth_offset;
+ screen->depthPitch = dri_priv->depth_pitch;
+
screen->card=nouveau_card_lookup(dri_priv->device_id);
+ screen->driScreen = sPriv;
+ return screen;
+}
+
+static void
+nouveauDestroyScreen(__DRIscreenPrivate *sPriv)
+{
+ nouveauScreenPtr screen = (nouveauScreenPtr)sPriv->private;
+
+ if (!screen) return;
+
+ /* free all option information */
+ driDestroyOptionInfo (&screen->optionCache);
+
+ FREE(screen);
+ sPriv->private = NULL;
}
static GLboolean nouveauInitDriver(__DRIscreenPrivate *sPriv)
return GL_TRUE;
}
+/**
+ * Create the Mesa framebuffer and renderbuffers for a given window/drawable.
+ *
+ * \todo This function (and its interface) will need to be updated to support
+ * pbuffers.
+ */
+static GLboolean
+nouveauCreateBuffer(__DRIscreenPrivate *driScrnPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ const __GLcontextModes *mesaVis,
+ GLboolean isPixmap)
+{
+ nouveauScreenPtr screen = (nouveauScreenPtr) driScrnPriv->private;
+
+ if (isPixmap) {
+ return GL_FALSE; /* not implemented */
+ }
+ else {
+ const GLboolean swDepth = GL_FALSE;
+ const GLboolean swAlpha = GL_FALSE;
+ const GLboolean swAccum = mesaVis->accumRedBits > 0;
+ const GLboolean swStencil = mesaVis->stencilBits > 0 && mesaVis->depthBits != 24;
+ struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
+
+ /* front color renderbuffer */
+ {
+ driRenderbuffer *frontRb
+ = driNewRenderbuffer(GL_RGBA,
+ driScrnPriv->pFB + screen->frontOffset,
+ screen->fbFormat,
+ screen->frontOffset, screen->frontPitch,
+ driDrawPriv);
+ nouveauSpanSetFunctions(frontRb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
+ }
+
+ /* back color renderbuffer */
+ if (mesaVis->doubleBufferMode) {
+ driRenderbuffer *backRb
+ = driNewRenderbuffer(GL_RGBA,
+ driScrnPriv->pFB + screen->backOffset,
+ screen->fbFormat,
+ screen->backOffset, screen->backPitch,
+ driDrawPriv);
+ nouveauSpanSetFunctions(backRb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
+ }
+
+ /* depth renderbuffer */
+ if (mesaVis->depthBits == 16) {
+ driRenderbuffer *depthRb
+ = driNewRenderbuffer(GL_DEPTH_COMPONENT16,
+ driScrnPriv->pFB + screen->depthOffset,
+ screen->fbFormat,
+ screen->depthOffset, screen->depthPitch,
+ driDrawPriv);
+ nouveauSpanSetFunctions(depthRb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+ }
+ else if (mesaVis->depthBits == 24) {
+ driRenderbuffer *depthRb
+ = driNewRenderbuffer(GL_DEPTH_COMPONENT24,
+ driScrnPriv->pFB + screen->depthOffset,
+ screen->fbFormat,
+ screen->depthOffset, screen->depthPitch,
+ driDrawPriv);
+ nouveauSpanSetFunctions(depthRb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+ }
+
+ /* stencil renderbuffer */
+ if (mesaVis->stencilBits > 0 && !swStencil) {
+ driRenderbuffer *stencilRb
+ = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT,
+ driScrnPriv->pFB + screen->depthOffset,
+ screen->fbFormat,
+ screen->depthOffset, screen->depthPitch,
+ driDrawPriv);
+ nouveauSpanSetFunctions(stencilRb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base);
+ }
+
+ _mesa_add_soft_renderbuffers(fb,
+ GL_FALSE, /* color */
+ swDepth,
+ swStencil,
+ swAccum,
+ swAlpha,
+ GL_FALSE /* aux */);
+ driDrawPriv->driverPrivate = (void *) fb;
+
+ return (driDrawPriv->driverPrivate != NULL);
+ }
+}
+
+
+static void
+nouveauDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
+{
+ _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
+}
+
+static int
+nouveauGetSwapInfo(__DRIdrawablePrivate *dpriv, __DRIswapInfo *sInfo)
+{
+ return -1;
+}
+
+static const struct __DriverAPIRec nouveauAPI = {
+ .InitDriver = nouveauInitDriver,
+ .DestroyScreen = nouveauDestroyScreen,
+ .CreateContext = nouveauCreateContext,
+ .DestroyContext = nouveauDestroyContext,
+ .CreateBuffer = nouveauCreateBuffer,
+ .DestroyBuffer = nouveauDestroyBuffer,
+ .SwapBuffers = nouveauSwapBuffers,
+ .MakeCurrent = nouveauMakeCurrent,
+ .UnbindContext = nouveauUnbindContext,
+ .GetSwapInfo = nouveauGetSwapInfo,
+ .GetMSC = driGetMSC32,
+ .WaitForMSC = driWaitForMSC32,
+ .WaitForSBC = NULL,
+ .SwapBuffersMSC = NULL,
+ .CopySubBuffer = nouveauCopySubBuffer
+};
+
+
+static __GLcontextModes *
+nouveauFillInModes( unsigned pixel_bits, unsigned depth_bits,
+ unsigned stencil_bits, GLboolean have_back_buffer )
+{
+ __GLcontextModes * modes;
+ __GLcontextModes * m;
+ unsigned num_modes;
+ unsigned depth_buffer_factor;
+ unsigned back_buffer_factor;
+ GLenum fb_format;
+ GLenum fb_type;
+
+ /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
+ * support pageflipping at all.
+ */
+ static const GLenum back_buffer_modes[] = {
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+ };
+
+ u_int8_t depth_bits_array[3];
+ u_int8_t stencil_bits_array[3];
+
+ depth_bits_array[0] = 0;
+ depth_bits_array[1] = depth_bits;
+ depth_bits_array[2] = depth_bits;
+
+ /* Just like with the accumulation buffer, always provide some modes
+ * with a stencil buffer. It will be a sw fallback, but some apps won't
+ * care about that.
+ */
+ stencil_bits_array[0] = 0;
+ stencil_bits_array[1] = 0;
+ stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+ depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1;
+ back_buffer_factor = (have_back_buffer) ? 3 : 1;
+
+ num_modes = depth_buffer_factor * back_buffer_factor * 4;
+
+ if ( pixel_bits == 16 ) {
+ fb_format = GL_RGB;
+ fb_type = GL_UNSIGNED_SHORT_5_6_5;
+ } else {
+ fb_format = GL_BGRA;
+ fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+ }
+
+ modes = (*dri_interface->createContextModes)( num_modes, sizeof( __GLcontextModes ) );
+ m = modes;
+ if (!driFillInModes(&m, fb_format, fb_type,
+ depth_bits_array, stencil_bits_array, depth_buffer_factor,
+ back_buffer_modes, back_buffer_factor,
+ GLX_TRUE_COLOR)) {
+ fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
+ __func__, __LINE__ );
+ return NULL;
+ }
+ if (!driFillInModes(&m, fb_format, fb_type,
+ depth_bits_array, stencil_bits_array, depth_buffer_factor,
+ back_buffer_modes, back_buffer_factor,
+ GLX_DIRECT_COLOR)) {
+ fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
+ __func__, __LINE__ );
+ return NULL;
+ }
+
+ /* Mark the visual as slow if there are "fake" stencil bits.
+ */
+ for ( m = modes ; m != NULL ; m = m->next ) {
+ if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) {
+ m->visualRating = GLX_SLOW_CONFIG;
+ }
+ }
+
+ return modes;
+}
+
+
+/**
+ * This is the bootstrap function for the driver. libGL supplies all of the
+ * requisite information about the system, and the driver initializes itself.
+ * This routine also fills in the linked list pointed to by \c driver_modes
+ * with the \c __GLcontextModes that the driver can support for windows or
+ * pbuffers.
+ *
+ * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
+ * failure.
+ */
+PUBLIC
+void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
+ const __GLcontextModes * modes,
+ const __DRIversion * ddx_version,
+ const __DRIversion * dri_version,
+ const __DRIversion * drm_version,
+ const __DRIframebuffer * frame_buffer,
+ drmAddress pSAREA, int fd,
+ int internal_api_version,
+ const __DRIinterfaceMethods * interface,
+ __GLcontextModes ** driver_modes)
+
+{
+ __DRIscreenPrivate *psp;
+ static const __DRIversion ddx_expected = { 1, 2, 0 };
+ static const __DRIversion dri_expected = { 4, 0, 0 };
+ static const __DRIversion drm_expected = { 1, 0, 0 };
+
+ dri_interface = interface;
+
+ if (!driCheckDriDdxDrmVersions2("nouveau",
+ dri_version, & dri_expected,
+ ddx_version, & ddx_expected,
+ drm_version, & drm_expected)) {
+ return NULL;
+ }
+
+ psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
+ ddx_version, dri_version, drm_version,
+ frame_buffer, pSAREA, fd,
+ internal_api_version, &nouveauAPI);
+ if ( psp != NULL ) {
+ NOUVEAUDRIPtr dri_priv = (NOUVEAUDRIPtr)psp->pDevPriv;
+
+ *driver_modes = nouveauFillInModes(dri_priv->bpp,
+ (dri_priv->bpp == 16) ? 16 : 24,
+ (dri_priv->bpp == 16) ? 0 : 8,
+ (dri_priv->back_offset != dri_priv->depth_offset));
+
+ /* Calling driInitExtensions here, with a NULL context pointer, does not actually
+ * enable the extensions. It just makes sure that all the dispatch offsets for all
+ * the extensions that *might* be enables are known. This is needed because the
+ * dispatch offsets need to be known when _mesa_context_create is called, but we can't
+ * enable the extensions until we have a context pointer.
+ *
+ * Hello chicken. Hello egg. How are you two today?
+ */
+ driInitExtensions( NULL, common_extensions, GL_FALSE );
+ }
+
+ return (void *) psp;
+}
+
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