diff options
author | Alan Hourihane <alanh@tungstengraphics.com> | 2008-06-10 20:17:16 +0100 |
---|---|---|
committer | Alan Hourihane <alanh@tungstengraphics.com> | 2008-06-11 14:10:08 +0100 |
commit | 4566b006f1a6bbdb96871e511e10e16f18bad23e (patch) | |
tree | 6938da5e79dec0f33ca93ac0bef68d6d56f71f00 /src/gallium/winsys | |
parent | bd9264210097d08073a4ea3619ca25db56245280 (diff) |
Bring in DRI2 changes
Diffstat (limited to 'src/gallium/winsys')
-rw-r--r-- | src/gallium/winsys/dri/intel/intel_context.c | 83 | ||||
-rw-r--r-- | src/gallium/winsys/dri/intel/intel_screen.c | 449 |
2 files changed, 379 insertions, 153 deletions
diff --git a/src/gallium/winsys/dri/intel/intel_context.c b/src/gallium/winsys/dri/intel/intel_context.c index 8284e0edbb..ecc4b0aa53 100644 --- a/src/gallium/winsys/dri/intel/intel_context.c +++ b/src/gallium/winsys/dri/intel/intel_context.c @@ -67,7 +67,6 @@ int __intel_debug = 0; #define need_GL_NV_vertex_program #include "extension_helper.h" - /** * Extension strings exported by the intel driver. * @@ -75,7 +74,7 @@ int __intel_debug = 0; * It appears that ARB_texture_env_crossbar has "disappeared" compared to the * old i830-specific driver. */ -const struct dri_extension card_extensions[] = { +static const struct dri_extension card_extensions[] = { {"GL_ARB_multisample", GL_ARB_multisample_functions}, {"GL_ARB_multitexture", NULL}, {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions}, @@ -86,22 +85,27 @@ const struct dri_extension card_extensions[] = { {"GL_ARB_texture_env_combine", NULL}, {"GL_ARB_texture_env_dot3", NULL}, {"GL_ARB_texture_mirrored_repeat", NULL}, + {"GL_ARB_texture_non_power_of_two", NULL }, {"GL_ARB_texture_rectangle", NULL}, + {"GL_NV_texture_rectangle", NULL}, + {"GL_EXT_texture_rectangle", NULL}, + {"GL_ARB_point_parameters", NULL}, {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions}, - {"GL_ARB_pixel_buffer_object", NULL}, {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions}, {"GL_ARB_window_pos", GL_ARB_window_pos_functions}, {"GL_EXT_blend_color", GL_EXT_blend_color_functions}, - {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions}, + {"GL_EXT_blend_equation_separate", + GL_EXT_blend_equation_separate_functions}, {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions}, {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions}, + {"GL_EXT_blend_logic_op", NULL}, {"GL_EXT_blend_subtract", NULL}, {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions}, {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions}, - {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions}, {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions}, +#if 1 /* XXX FBO temporary? */ {"GL_EXT_packed_depth_stencil", NULL}, - {"GL_EXT_pixel_buffer_object", NULL}, +#endif {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions}, {"GL_EXT_stencil_wrap", NULL}, {"GL_EXT_texture_edge_clamp", NULL}, @@ -116,10 +120,67 @@ const struct dri_extension card_extensions[] = { {"GL_NV_blend_square", NULL}, {"GL_NV_vertex_program", GL_NV_vertex_program_functions}, {"GL_NV_vertex_program1_1", NULL}, - {"GL_SGIS_generate_mipmap", NULL }, + { "GL_SGIS_generate_mipmap", NULL }, {NULL, NULL} }; +#if 0 +static const struct dri_extension brw_extensions[] = { + { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions}, + { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions}, + { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions}, + { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions}, + { "GL_ARB_point_sprite", NULL}, + { "GL_ARB_fragment_shader", NULL }, + { "GL_ARB_draw_buffers", NULL }, + { "GL_ARB_depth_texture", NULL }, + { "GL_ARB_fragment_program", NULL }, + { "GL_ARB_shadow", NULL }, + { "GL_EXT_shadow_funcs", NULL }, + /* ARB extn won't work if not enabled */ + { "GL_SGIX_depth_texture", NULL }, + { "GL_ARB_texture_env_crossbar", NULL }, + { "GL_EXT_texture_sRGB", NULL}, + { NULL, NULL } +}; + +static const struct dri_extension arb_oc_extensions[] = { + {"GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions}, + {NULL, NULL} +}; + +static const struct dri_extension ttm_extensions[] = { + {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions}, + {"GL_ARB_pixel_buffer_object", NULL}, + {NULL, NULL} +}; +#endif + +/** + * Initializes potential list of extensions if ctx == NULL, or actually enables + * extensions for a context. + */ +void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging) +{ + /* Disable imaging extension until convolution is working in teximage paths. + */ + enable_imaging = GL_FALSE; + + driInitExtensions(ctx, card_extensions, enable_imaging); + +#if 0 + if (intel == NULL || intel->ttm) + driInitExtensions(ctx, ttm_extensions, GL_FALSE); + + if (intel == NULL || + (IS_965(intel->intelScreen->deviceID) && + intel->intelScreen->drmMinor >= 8)) + driInitExtensions(ctx, arb_oc_extensions, GL_FALSE); + + if (intel == NULL || IS_965(intel->intelScreen->deviceID)) + driInitExtensions(ctx, brw_extensions, GL_FALSE); +#endif +} #ifdef DEBUG @@ -204,10 +265,10 @@ intelCreateContext(const __GLcontextModes * visual, /* * memory pools */ - DRM_LIGHT_LOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); + DRM_LIGHT_LOCK(sPriv->fd, &sPriv->lock, driContextPriv->hHWContext); // ZZZ JB should be per screen and not be done per context havePools = intelCreatePools(sPriv); - DRM_UNLOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext); + DRM_UNLOCK(sPriv->fd, &sPriv->lock, driContextPriv->hHWContext); if (!havePools) return GL_FALSE; @@ -215,7 +276,7 @@ intelCreateContext(const __GLcontextModes * visual, /* Dri stuff */ intel->hHWContext = driContextPriv->hHWContext; intel->driFd = sPriv->fd; - intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock; + intel->driHwLock = (drmLock *) & sPriv->lock; fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); intel->iw.irq_seq = -1; @@ -265,7 +326,7 @@ intelCreateContext(const __GLcontextModes * visual, intel->st = st_create_context(pipe, visual, st_share); - driInitExtensions( intel->st->ctx, card_extensions, GL_TRUE ); + intelInitExtensions( intel->st->ctx, GL_TRUE ); return GL_TRUE; } diff --git a/src/gallium/winsys/dri/intel/intel_screen.c b/src/gallium/winsys/dri/intel/intel_screen.c index 8817a80a5a..23889c80b8 100644 --- a/src/gallium/winsys/dri/intel/intel_screen.c +++ b/src/gallium/winsys/dri/intel/intel_screen.c @@ -60,7 +60,190 @@ static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; extern const struct dri_extension card_extensions[]; +static GLboolean +intel_get_param(__DRIscreenPrivate *psp, int param, int *value) +{ + int ret; + struct drm_i915_getparam gp; + + gp.param = param; + gp.value = value; + + ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp)); + if (ret) { + fprintf(stderr, "drm_i915_getparam: %d\n", ret); + return GL_FALSE; + } + + return GL_TRUE; +} + +static void +intelSetTexOffset(__DRIcontext *pDRICtx, int texname, + unsigned long long offset, int depth, uint pitch) +{ + abort(); +#if 0 + struct intel_context *intel = (struct intel_context*) + ((__DRIcontextPrivate*)pDRICtx->private)->driverPrivate; + struct gl_texture_object *tObj = _mesa_lookup_texture(&intel->ctx, texname); + struct st_texture_object *stObj = st_texture_object(tObj); + + if (!stObj) + return; + + if (stObj->pt) + st->pipe->texture_release(intel->st->pipe, &stObj->pt); + + stObj->imageOverride = GL_TRUE; + stObj->depthOverride = depth; + stObj->pitchOverride = pitch; + + if (offset) + stObj->textureOffset = offset; +#endif +} + + +static void +intelHandleDrawableConfig(__DRIdrawablePrivate *dPriv, + __DRIcontextPrivate *pcp, + __DRIDrawableConfigEvent *event) +{ + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + struct intel_region *region = NULL; + struct intel_renderbuffer *rb, *depth_rb, *stencil_rb; + struct intel_context *intel = pcp->driverPrivate; + struct intel_screen *intelScreen = intel_screen(dPriv->driScreenPriv); + int cpp, pitch; + +#if 0 + cpp = intelScreen->front.cpp; + pitch = ((cpp * dPriv->w + 63) & ~63) / cpp; + + back_surf = st_get_framebuffer_surface(intel_fb->stfb, + ST_SURFACE_BACK_LEFT); + rb = intel_fb->color_rb[1]; + if (rb) { + region = intel_region_alloc(intel, cpp, pitch, dPriv->h); + intel_renderbuffer_set_region(rb, region); + } + + rb = intel_fb->color_rb[2]; + if (rb) { + region = intel_region_alloc(intel, cpp, pitch, dPriv->h); + intel_renderbuffer_set_region(rb, region); + } + + depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); + stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); + if (depth_rb || stencil_rb) + region = intel_region_alloc(intel, cpp, pitch, dPriv->h); + if (depth_rb) + intel_renderbuffer_set_region(depth_rb, region); + if (stencil_rb) + intel_renderbuffer_set_region(stencil_rb, region); + + /* FIXME: Tell the X server about the regions we just allocated and + * attached. */ +#endif + +} + +#define BUFFER_FLAG_TILED 0x0100 + +static void +intelHandleBufferAttach(__DRIdrawablePrivate *dPriv, + __DRIcontextPrivate *pcp, + __DRIBufferAttachEvent *ba) +{ + struct intel_screen *intelScreen = intel_screen(dPriv->driScreenPriv); + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + struct intel_renderbuffer *rb; + struct intel_region *region; + struct intel_context *intel = pcp->driverPrivate; + struct pipe_surface *surf; + GLuint tiled; + + switch (ba->buffer.attachment) { + case DRI_DRAWABLE_BUFFER_FRONT_LEFT: + #if 0 + intelScreen->front.width = ba->width; + intelScreen->front.height = ba->height; + intelScreen->front.offset = sarea->front_offset; + #endif + intelScreen->front.pitch = ba->buffer.pitch * ba->buffer.cpp; + #if 0 + intelScreen->front.size = sarea->front_size; + #endif + driGenBuffers(intelScreen->base.staticPool, "front", 1, &intelScreen->front.buffer, 0, 0, 0); + driBOSetReferenced(intelScreen->front.buffer, ba->buffer.handle); + + break; + +#if 0 + case DRI_DRAWABLE_BUFFER_BACK_LEFT: + rb = intel_fb->color_rb[0]; + break; + + case DRI_DRAWABLE_BUFFER_DEPTH: + rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); + break; + + case DRI_DRAWABLE_BUFFER_STENCIL: + rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); + break; +#endif + + case DRI_DRAWABLE_BUFFER_ACCUM: + default: + fprintf(stderr, "unhandled buffer attach event, attacment type %d\n", + ba->buffer.attachment); + return; + } + +#if 0 + /* FIXME: Add this so we can filter out when the X server sends us + * attachment events for the buffers we just allocated. Need to + * get the BO handle for a render buffer. */ + if (intel_renderbuffer_get_region_handle(rb) == ba->buffer.handle) + return; +#endif + +#if 0 + tiled = (ba->buffer.flags & BUFFER_FLAG_TILED) > 0; + + region = intel_region_alloc_for_handle(intel, ba->buffer.cpp, + ba->buffer.pitch / ba->buffer.cpp, + dPriv->h, tiled, + ba->buffer.handle); + + intel_renderbuffer_set_region(rb, region); +#endif +} + +static const __DRItexOffsetExtension intelTexOffsetExtension = { + { __DRI_TEX_OFFSET }, + intelSetTexOffset, +}; + +#if 0 +static const __DRItexBufferExtension intelTexBufferExtension = { + { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, + intelSetTexBuffer, +}; +#endif +static const __DRIextension *intelScreenExtensions[] = { + &driReadDrawableExtension, + &driCopySubBufferExtension.base, + &driSwapControlExtension.base, + &driFrameTrackingExtension.base, + &driMediaStreamCounterExtension.base, + &intelTexOffsetExtension.base, +// &intelTexBufferExtension.base, + NULL +}; static void @@ -177,7 +360,8 @@ intelCreatePools(__DRIscreenPrivate * sPriv) intelScreen->havePools = GL_TRUE; - intelUpdateScreenRotation(sPriv, intelScreen->sarea); + if (intelScreen->sarea) + intelUpdateScreenRotation(sPriv, intelScreen->sarea); return GL_TRUE; } @@ -210,11 +394,6 @@ intelInitDriver(__DRIscreenPrivate * sPriv) struct intel_screen *intelScreen; I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv; - PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = - (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface-> - getProcAddress("glxEnableExtension")); - void *const psc = sPriv->psc->screenConfigs; - if (sPriv->devPrivSize != sizeof(I830DRIRec)) { fprintf(stderr, "\nERROR! sizeof(I830DRIRec) does not match passed size from device driver\n"); @@ -231,28 +410,17 @@ intelInitDriver(__DRIscreenPrivate * sPriv) __driConfigOptions, __driNConfigOptions); sPriv->private = (void *) intelScreen; - intelScreen->sarea = (drmI830Sarea *) (((GLubyte *) sPriv->pSAREA) + - gDRIPriv->sarea_priv_offset); - intelScreen->deviceID = gDRIPriv->deviceID; - intelScreen->front.cpp = gDRIPriv->cpp; - intelScreen->drmMinor = sPriv->drmMinor; + gDRIPriv->sarea_priv_offset); - assert(gDRIPriv->bitsPerPixel == 16 || - gDRIPriv->bitsPerPixel == 32); + intelScreen->deviceID = gDRIPriv->deviceID; intelUpdateScreenRotation(sPriv, intelScreen->sarea); if (0) intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); - if (glx_enable_extension != NULL) { - (*glx_enable_extension) (psc, "GLX_SGI_swap_control"); - (*glx_enable_extension) (psc, "GLX_SGI_video_sync"); - (*glx_enable_extension) (psc, "GLX_MESA_swap_control"); - (*glx_enable_extension) (psc, "GLX_MESA_swap_frame_usage"); - (*glx_enable_extension) (psc, "GLX_SGI_make_current_read"); - } + sPriv->extensions = intelScreenExtensions; intel_be_init_device(&intelScreen->base, sPriv->fd); intelScreen->base.base.flush_frontbuffer = intel_flush_frontbuffer; @@ -351,65 +519,19 @@ intelGetSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo) return 0; } - -static void -intelSetTexOffset(__DRIcontext *pDRICtx, int texname, - unsigned long long offset, int depth, uint pitch) +static __DRIconfig ** +intelFillInModes(__DRIscreenPrivate *psp, + unsigned pixel_bits, unsigned depth_bits, + unsigned stencil_bits, GLboolean have_back_buffer) { - abort(); -#if 0 - struct intel_context *intel = (struct intel_context*) - ((__DRIcontextPrivate*)pDRICtx->private)->driverPrivate; - struct gl_texture_object *tObj = _mesa_lookup_texture(&intel->ctx, texname); - struct st_texture_object *stObj = st_texture_object(tObj); - - if (!stObj) - return; - - if (stObj->pt) - st->pipe->texture_release(intel->st->pipe, &stObj->pt); - - stObj->imageOverride = GL_TRUE; - stObj->depthOverride = depth; - stObj->pitchOverride = pitch; - - if (offset) - stObj->textureOffset = offset; -#endif -} - - -static const struct __DriverAPIRec intelAPI = { - .InitDriver = intelInitDriver, - .DestroyScreen = intelDestroyScreen, - .CreateContext = intelCreateContext, - .DestroyContext = intelDestroyContext, - .CreateBuffer = intelCreateBuffer, - .DestroyBuffer = intelDestroyBuffer, - .SwapBuffers = intelSwapBuffers, - .MakeCurrent = intelMakeCurrent, - .UnbindContext = intelUnbindContext, - .GetSwapInfo = intelGetSwapInfo, - .GetMSC = driGetMSC32, - .WaitForMSC = driWaitForMSC32, - .WaitForSBC = NULL, - .SwapBuffersMSC = NULL, - .CopySubBuffer = intelCopySubBuffer, - .setTexOffset = intelSetTexOffset, -}; - - -static __GLcontextModes * -intelFillInModes(unsigned pixel_bits, unsigned depth_bits, - unsigned stencil_bits, boolean have_back_buffer) -{ - __GLcontextModes *modes; + __DRIconfig **configs; __GLcontextModes *m; unsigned num_modes; unsigned depth_buffer_factor; unsigned back_buffer_factor; GLenum fb_format; GLenum fb_type; + int i; /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't * support pageflipping at all. @@ -451,100 +573,143 @@ intelFillInModes(unsigned pixel_bits, unsigned depth_bits, 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__, + configs = driCreateConfigs(fb_format, fb_type, + depth_bits_array, stencil_bits_array, + depth_buffer_factor, back_buffer_modes, + back_buffer_factor); + if (configs == NULL) { + 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) { + for (i = 0; configs[i]; i++) { + m = &configs[i]->modes; if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) { m->visualRating = GLX_SLOW_CONFIG; } } - return modes; + return configs; } - /** - * 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. + * This is the driver specific part of the createNewScreen entry point. + * + * \todo maybe fold this into intelInitDriver * - * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on - * failure. + * \return the __GLcontextModes supported by this driver */ -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) +static const __DRIconfig **intelInitScreen(__DRIscreenPrivate *psp) { - __DRIscreenPrivate *psp; - static const __DRIversion ddx_expected = { 1, 7, 0 }; +#ifdef I915 + static const __DRIversion ddx_expected = { 1, 5, 0 }; +#else + static const __DRIversion ddx_expected = { 1, 6, 0 }; +#endif static const __DRIversion dri_expected = { 4, 0, 0 }; - static const __DRIversion drm_expected = { 1, 7, 0 }; - - dri_interface = interface; + static const __DRIversion drm_expected = { 1, 5, 0 }; + I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; if (!driCheckDriDdxDrmVersions2("i915", - dri_version, &dri_expected, - ddx_version, &ddx_expected, - drm_version, &drm_expected)) { + &psp->dri_version, &dri_expected, + &psp->ddx_version, &ddx_expected, + &psp->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, &intelAPI); - - if (psp != NULL) { - I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; - *driver_modes = intelFillInModes(dri_priv->cpp * 8, - (dri_priv->cpp == 2) ? 16 : 24, - (dri_priv->cpp == 2) ? 0 : 8, 1); - - /* 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, card_extensions, GL_FALSE); + /* 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? + */ + intelInitExtensions(NULL, GL_TRUE); + + if (!intelInitDriver(psp)) + return NULL; + + psp->extensions = intelScreenExtensions; + + return (const __DRIconfig **) + intelFillInModes(psp, dri_priv->cpp * 8, + (dri_priv->cpp == 2) ? 16 : 24, + (dri_priv->cpp == 2) ? 0 : 8, 1); +} + +/** + * This is the driver specific part of the createNewScreen entry point. + * + * \return the __GLcontextModes supported by this driver + */ +static const +__DRIconfig **intelInitScreen2(__DRIscreenPrivate *psp) +{ + struct intel_screen *intelScreen; + + /* 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? + */ + intelInitExtensions(NULL, GL_TRUE); + + /* Allocate the private area */ + intelScreen = CALLOC_STRUCT(intel_screen); + if (!intelScreen) { + fprintf(stderr, "\nERROR! Allocating private area failed\n"); + return GL_FALSE; } + /* parse information in __driConfigOptions */ + driParseOptionInfo(&intelScreen->optionCache, + __driConfigOptions, __driNConfigOptions); - return (void *) psp; + psp->private = (void *) intelScreen; + + intelScreen->drmMinor = psp->drm_version.minor; + + /* Determine chipset ID? */ + if (!intel_get_param(psp, I915_PARAM_CHIPSET_ID, + &intelScreen->deviceID)) + return GL_FALSE; + + psp->extensions = intelScreenExtensions; + + intel_be_init_device(&intelScreen->base, psp->fd); + intelScreen->base.base.flush_frontbuffer = intel_flush_frontbuffer; + intelScreen->base.base.get_name = intel_get_name; + + return driConcatConfigs(intelFillInModes(psp, 16, 16, 0, 1), + intelFillInModes(psp, 32, 24, 8, 1)); } +const struct __DriverAPIRec driDriverAPI = { + .InitScreen = intelInitScreen, + .DestroyScreen = intelDestroyScreen, + .CreateContext = intelCreateContext, + .DestroyContext = intelDestroyContext, + .CreateBuffer = intelCreateBuffer, + .DestroyBuffer = intelDestroyBuffer, + .SwapBuffers = intelSwapBuffers, + .MakeCurrent = intelMakeCurrent, + .UnbindContext = intelUnbindContext, + .GetSwapInfo = intelGetSwapInfo, + .GetDrawableMSC = driDrawableGetMSC32, + .WaitForMSC = driWaitForMSC32, + .CopySubBuffer = intelCopySubBuffer, + + .InitScreen2 = intelInitScreen2, + .HandleDrawableConfig = intelHandleDrawableConfig, + .HandleBufferAttach = intelHandleBufferAttach, +}; |