/************************************************************************** * * Copyright 2003 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. * **************************************************************************/ #include "glheader.h" #include "context.h" #include "framebuffer.h" #include "matrix.h" #include "renderbuffer.h" #include "simple_list.h" #include "utils.h" #include "vblank.h" #include "xmlpool.h" #include "intel_screen.h" #include "intel_buffers.h" #include "intel_tex.h" #include "intel_span.h" #include "intel_tris.h" #include "intel_ioctl.h" #include "intel_fbo.h" #include "i830_dri.h" #include "dri_bufpool.h" #include "intel_regions.h" #include "intel_batchbuffer.h" PUBLIC const char __driConfigOptions[] = DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY DRI_CONF_FORCE_S3TC_ENABLE(false) DRI_CONF_ALLOW_LARGE_TEXTURES(1) DRI_CONF_SECTION_END DRI_CONF_END; const GLuint __driNConfigOptions = 4; #ifdef USE_NEW_INTERFACE static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; #endif /*USE_NEW_INTERFACE */ extern const struct dri_extension card_extensions[]; /** * Map all the memory regions described by the screen. * \return GL_TRUE if success, GL_FALSE if error. */ GLboolean intelMapScreenRegions(__DRIscreenPrivate * sPriv) { intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; if (intelScreen->front.handle) { if (drmMap(sPriv->fd, intelScreen->front.handle, intelScreen->front.size, (drmAddress *) & intelScreen->front.map) != 0) { _mesa_problem(NULL, "drmMap(frontbuffer) failed!"); return GL_FALSE; } } else { _mesa_warning(NULL, "no front buffer handle in intelMapScreenRegions!"); } if (0) _mesa_printf("Back 0x%08x ", intelScreen->back.handle); if (drmMap(sPriv->fd, intelScreen->back.handle, intelScreen->back.size, (drmAddress *) & intelScreen->back.map) != 0) { intelUnmapScreenRegions(intelScreen); return GL_FALSE; } if (intelScreen->third.handle) { if (0) _mesa_printf("Third 0x%08x ", intelScreen->third.handle); if (drmMap(sPriv->fd, intelScreen->third.handle, intelScreen->third.size, (drmAddress *) & intelScreen->third.map) != 0) { intelUnmapScreenRegions(intelScreen); return GL_FALSE; } } if (0) _mesa_printf("Depth 0x%08x ", intelScreen->depth.handle); if (drmMap(sPriv->fd, intelScreen->depth.handle, intelScreen->depth.size, (drmAddress *) & intelScreen->depth.map) != 0) { intelUnmapScreenRegions(intelScreen); return GL_FALSE; } #if 0 _mesa_printf("TEX 0x%08x ", intelScreen->tex.handle); if (drmMap(sPriv->fd, intelScreen->tex.handle, intelScreen->tex.size, (drmAddress *) & intelScreen->tex.map) != 0) { intelUnmapScreenRegions(intelScreen); return GL_FALSE; } #endif if (0) printf("Mappings: front: %p back: %p third: %p depth: %p tex: %p\n", intelScreen->front.map, intelScreen->back.map, intelScreen->third.map, intelScreen->depth.map, intelScreen->tex.map); return GL_TRUE; } static struct intel_region * intel_recreate_static(intelScreenPrivate *intelScreen, struct intel_region *region, GLuint mem_type, GLuint offset, void *virtual, GLuint cpp, GLuint pitch, GLuint height) { if (region) { intel_region_update_static(intelScreen, region, mem_type, offset, virtual, cpp, pitch, height); } else { region = intel_region_create_static(intelScreen, mem_type, offset, virtual, cpp, pitch, height); } return region; } /* Create intel_region structs to describe the static front,back,depth * buffers created by the xserver. * * Although FBO's mean we now no longer use these as render targets in * all circumstances, they won't go away until the back and depth * buffers become private, and the front and rotated buffers will * remain even then. * * Note that these don't allocate video memory, just describe * allocations alread made by the X server. */ static void intel_recreate_static_regions(intelScreenPrivate *intelScreen) { intelScreen->front_region = intel_recreate_static(intelScreen, intelScreen->front_region, DRM_BO_FLAG_MEM_TT, intelScreen->front.offset, intelScreen->front.map, intelScreen->cpp, intelScreen->front.pitch / intelScreen->cpp, intelScreen->height); intelScreen->rotated_region = intel_recreate_static(intelScreen, intelScreen->rotated_region, DRM_BO_FLAG_MEM_TT, intelScreen->rotated.offset, intelScreen->rotated.map, intelScreen->cpp, intelScreen->rotated.pitch / intelScreen->cpp, intelScreen->height); intelScreen->back_region = intel_recreate_static(intelScreen, intelScreen->back_region, DRM_BO_FLAG_MEM_TT, intelScreen->back.offset, intelScreen->back.map, intelScreen->cpp, intelScreen->back.pitch / intelScreen->cpp, intelScreen->height); if (intelScreen->third.handle) { intelScreen->third_region = intel_recreate_static(intelScreen, intelScreen->third_region, DRM_BO_FLAG_MEM_TT, intelScreen->third.offset, intelScreen->third.map, intelScreen->cpp, intelScreen->third.pitch / intelScreen->cpp, intelScreen->height); } /* Still assuming front.cpp == depth.cpp */ intelScreen->depth_region = intel_recreate_static(intelScreen, intelScreen->depth_region, DRM_BO_FLAG_MEM_TT, intelScreen->depth.offset, intelScreen->depth.map, intelScreen->cpp, intelScreen->depth.pitch / intelScreen->cpp, intelScreen->height); } /** * Use the information in the sarea to update the screen parameters * related to screen rotation. Needs to be called locked. */ void intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea) { intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; intelUnmapScreenRegions(intelScreen); intelUpdateScreenFromSAREA(intelScreen, sarea); if (!intelMapScreenRegions(sPriv)) { fprintf(stderr, "ERROR Remapping screen regions!!!\n"); } intel_recreate_static_regions(intelScreen); } void intelUnmapScreenRegions(intelScreenPrivate * intelScreen) { #define REALLY_UNMAP 1 if (intelScreen->front.map) { #if REALLY_UNMAP if (drmUnmap(intelScreen->front.map, intelScreen->front.size) != 0) printf("drmUnmap front failed!\n"); #endif intelScreen->front.map = NULL; } if (intelScreen->back.map) { #if REALLY_UNMAP if (drmUnmap(intelScreen->back.map, intelScreen->back.size) != 0) printf("drmUnmap back failed!\n"); #endif intelScreen->back.map = NULL; } if (intelScreen->third.map) { #if REALLY_UNMAP if (drmUnmap(intelScreen->third.map, intelScreen->third.size) != 0) printf("drmUnmap third failed!\n"); #endif intelScreen->third.map = NULL; } if (intelScreen->depth.map) { #if REALLY_UNMAP drmUnmap(intelScreen->depth.map, intelScreen->depth.size); intelScreen->depth.map = NULL; #endif } if (intelScreen->tex.map) { #if REALLY_UNMAP drmUnmap(intelScreen->tex.map, intelScreen->tex.size); intelScreen->tex.map = NULL; #endif } } static void intelPrintDRIInfo(intelScreenPrivate * intelScreen, __DRIscreenPrivate * sPriv, I830DRIPtr gDRIPriv) { fprintf(stderr, "*** Front size: 0x%x offset: 0x%x pitch: %d\n", intelScreen->front.size, intelScreen->front.offset, intelScreen->front.pitch); fprintf(stderr, "*** Back size: 0x%x offset: 0x%x pitch: %d\n", intelScreen->back.size, intelScreen->back.offset, intelScreen->back.pitch); fprintf(stderr, "*** Depth size: 0x%x offset: 0x%x pitch: %d\n", intelScreen->depth.size, intelScreen->depth.offset, intelScreen->depth.pitch); fprintf(stderr, "*** Rotated size: 0x%x offset: 0x%x pitch: %d\n", intelScreen->rotated.size, intelScreen->rotated.offset, intelScreen->rotated.pitch); fprintf(stderr, "*** Texture size: 0x%x offset: 0x%x\n", intelScreen->tex.size, intelScreen->tex.offset); fprintf(stderr, "*** Memory : 0x%x\n", gDRIPriv->mem); } static void intelPrintSAREA(const drmI830Sarea * sarea) { fprintf(stderr, "SAREA: sarea width %d height %d\n", sarea->width, sarea->height); fprintf(stderr, "SAREA: pitch: %d\n", sarea->pitch); fprintf(stderr, "SAREA: front offset: 0x%08x size: 0x%x handle: 0x%x\n", sarea->front_offset, sarea->front_size, (unsigned) sarea->front_handle); fprintf(stderr, "SAREA: back offset: 0x%08x size: 0x%x handle: 0x%x\n", sarea->back_offset, sarea->back_size, (unsigned) sarea->back_handle); fprintf(stderr, "SAREA: depth offset: 0x%08x size: 0x%x handle: 0x%x\n", sarea->depth_offset, sarea->depth_size, (unsigned) sarea->depth_handle); fprintf(stderr, "SAREA: tex offset: 0x%08x size: 0x%x handle: 0x%x\n", sarea->tex_offset, sarea->tex_size, (unsigned) sarea->tex_handle); fprintf(stderr, "SAREA: rotation: %d\n", sarea->rotation); fprintf(stderr, "SAREA: rotated offset: 0x%08x size: 0x%x\n", sarea->rotated_offset, sarea->rotated_size); fprintf(stderr, "SAREA: rotated pitch: %d\n", sarea->rotated_pitch); } /** * A number of the screen parameters are obtained/computed from * information in the SAREA. This function updates those parameters. */ void intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen, drmI830Sarea * sarea) { intelScreen->width = sarea->width; intelScreen->height = sarea->height; intelScreen->front.offset = sarea->front_offset; intelScreen->front.pitch = sarea->pitch * intelScreen->cpp; intelScreen->front.handle = sarea->front_handle; intelScreen->front.size = sarea->front_size; intelScreen->back.offset = sarea->back_offset; intelScreen->back.pitch = sarea->pitch * intelScreen->cpp; intelScreen->back.handle = sarea->back_handle; intelScreen->back.size = sarea->back_size; if (intelScreen->driScrnPriv->ddxMinor >= 8) { intelScreen->third.offset = sarea->third_offset; intelScreen->third.pitch = sarea->pitch * intelScreen->cpp; intelScreen->third.handle = sarea->third_handle; intelScreen->third.size = sarea->third_size; } intelScreen->depth.offset = sarea->depth_offset; intelScreen->depth.pitch = sarea->pitch * intelScreen->cpp; intelScreen->depth.handle = sarea->depth_handle; intelScreen->depth.size = sarea->depth_size; intelScreen->tex.offset = sarea->tex_offset; intelScreen->logTextureGranularity = sarea->log_tex_granularity; intelScreen->tex.handle = sarea->tex_handle; intelScreen->tex.size = sarea->tex_size; intelScreen->rotated.offset = sarea->rotated_offset; intelScreen->rotated.pitch = sarea->rotated_pitch * intelScreen->cpp; intelScreen->rotated.size = sarea->rotated_size; intelScreen->current_rotation = sarea->rotation; matrix23Rotate(&intelScreen->rotMatrix, sarea->width, sarea->height, sarea->rotation); intelScreen->rotatedWidth = sarea->virtualX; intelScreen->rotatedHeight = sarea->virtualY; if (0) intelPrintSAREA(sarea); } static GLboolean intelInitDriver(__DRIscreenPrivate * sPriv) { intelScreenPrivate *intelScreen; I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv; drmI830Sarea *sarea; unsigned batchPoolSize = 1024*1024; 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"); return GL_FALSE; } /* Allocate the private area */ intelScreen = (intelScreenPrivate *) CALLOC(sizeof(intelScreenPrivate)); if (!intelScreen) { fprintf(stderr, "\nERROR! Allocating private area failed\n"); return GL_FALSE; } /* parse information in __driConfigOptions */ driParseOptionInfo(&intelScreen->optionCache, __driConfigOptions, __driNConfigOptions); intelScreen->driScrnPriv = sPriv; sPriv->private = (void *) intelScreen; intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; sarea = (drmI830Sarea *) (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset); intelScreen->maxBatchSize = BATCH_SZ; intelScreen->deviceID = gDRIPriv->deviceID; if (intelScreen->deviceID == PCI_CHIP_I865_G) intelScreen->maxBatchSize = 4096; batchPoolSize /= intelScreen->maxBatchSize; intelScreen->mem = gDRIPriv->mem; intelScreen->cpp = gDRIPriv->cpp; switch (gDRIPriv->bitsPerPixel) { case 16: intelScreen->fbFormat = DV_PF_565; break; case 32: intelScreen->fbFormat = DV_PF_8888; break; default: exit(1); break; } intelUpdateScreenFromSAREA(intelScreen, sarea); if (!intelMapScreenRegions(sPriv)) { fprintf(stderr, "\nERROR! mapping regions\n"); _mesa_free(intelScreen); sPriv->private = NULL; return GL_FALSE; } #if 0 /* * FIXME: Remove this code and its references. */ intelScreen->tex.offset = gDRIPriv->textureOffset; intelScreen->logTextureGranularity = gDRIPriv->logTextureGranularity; intelScreen->tex.handle = gDRIPriv->textures; intelScreen->tex.size = gDRIPriv->textureSize; #else intelScreen->tex.offset = 0; intelScreen->logTextureGranularity = 0; intelScreen->tex.handle = 0; intelScreen->tex.size = 0; #endif intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; if (0) intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); intelScreen->drmMinor = sPriv->drmMinor; /* Determine if IRQs are active? */ { int ret; drmI830GetParam gp; gp.param = I830_PARAM_IRQ_ACTIVE; gp.value = &intelScreen->irq_active; ret = drmCommandWriteRead(sPriv->fd, DRM_I830_GETPARAM, &gp, sizeof(gp)); if (ret) { fprintf(stderr, "drmI830GetParam: %d\n", ret); return GL_FALSE; } } /* Determine if batchbuffers are allowed */ { int ret; drmI830GetParam gp; gp.param = I830_PARAM_ALLOW_BATCHBUFFER; gp.value = &intelScreen->allow_batchbuffer; ret = drmCommandWriteRead(sPriv->fd, DRM_I830_GETPARAM, &gp, sizeof(gp)); if (ret) { fprintf(stderr, "drmI830GetParam: (%d) %d\n", gp.param, ret); return GL_FALSE; } } 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"); } intelScreen->regionPool = driDRMPoolInit(sPriv->fd); if (!intelScreen->regionPool) return GL_FALSE; intelScreen->staticPool = driDRMStaticPoolInit(sPriv->fd); if (!intelScreen->staticPool) return GL_FALSE; intelScreen->texPool = intelScreen->regionPool; intelScreen->batchPool = driBatchPoolInit(sPriv->fd, DRM_BO_FLAG_EXE | DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_MEM_LOCAL, intelScreen->maxBatchSize, batchPoolSize, 5); if (!intelScreen->batchPool) { fprintf(stderr, "Failed to initialize batch pool - possible incorrect agpgart installed\n"); return GL_FALSE; } intel_recreate_static_regions(intelScreen); return GL_TRUE; } static void intelDestroyScreen(__DRIscreenPrivate * sPriv) { intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; intelUnmapScreenRegions(intelScreen); driPoolTakeDown(intelScreen->regionPool); driPoolTakeDown(intelScreen->staticPool); driPoolTakeDown(intelScreen->batchPool); FREE(intelScreen); sPriv->private = NULL; } /** * This is called when we need to set up GL rendering to a new X window. */ static GLboolean intelCreateBuffer(__DRIscreenPrivate * driScrnPriv, __DRIdrawablePrivate * driDrawPriv, const __GLcontextModes * mesaVis, GLboolean isPixmap) { intelScreenPrivate *screen = (intelScreenPrivate *) driScrnPriv->private; if (isPixmap) { return GL_FALSE; /* not implemented */ } else { GLboolean swStencil = (mesaVis->stencilBits > 0 && mesaVis->depthBits != 24); GLenum rgbFormat = (mesaVis->redBits == 5 ? GL_RGB5 : GL_RGBA8); struct intel_framebuffer *intel_fb = CALLOC_STRUCT(intel_framebuffer); if (!intel_fb) return GL_FALSE; _mesa_initialize_framebuffer(&intel_fb->Base, mesaVis); /* setup the hardware-based renderbuffers */ { intel_fb->color_rb[0] = intel_create_renderbuffer(rgbFormat, screen->width, screen->height, screen->front.offset, screen->front.pitch, screen->cpp, screen->front.map); intel_set_span_functions(&intel_fb->color_rb[0]->Base); _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT, &intel_fb->color_rb[0]->Base); } if (mesaVis->doubleBufferMode) { intel_fb->color_rb[1] = intel_create_renderbuffer(rgbFormat, screen->width, screen->height, screen->back.offset, screen->back.pitch, screen->cpp, screen->back.map); intel_set_span_functions(&intel_fb->color_rb[1]->Base); _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT, &intel_fb->color_rb[1]->Base); if (screen->third.handle) { intel_fb->color_rb[2] = intel_create_renderbuffer(rgbFormat, screen->width, screen->height, screen->third.offset, screen->third.pitch, screen->cpp, screen->third.map); intel_set_span_functions(&intel_fb->color_rb[2]->Base); } } if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) { /* combined depth/stencil buffer */ struct intel_renderbuffer *depthStencilRb = intel_create_renderbuffer(GL_DEPTH24_STENCIL8_EXT, screen->width, screen->height, screen->depth.offset, screen->depth.pitch, screen->cpp, /* 4! */ screen->depth.map); intel_set_span_functions(&depthStencilRb->Base); /* note: bind RB to two attachment points */ _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, &depthStencilRb->Base); _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_STENCIL, &depthStencilRb->Base); } else if (mesaVis->depthBits == 16) { /* just 16-bit depth buffer, no hw stencil */ struct intel_renderbuffer *depthRb = intel_create_renderbuffer(GL_DEPTH_COMPONENT16, screen->width, screen->height, screen->depth.offset, screen->depth.pitch, screen->cpp, /* 2! */ screen->depth.map); intel_set_span_functions(&depthRb->Base); _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, &depthRb->Base); } /* now add any/all software-based renderbuffers we may need */ _mesa_add_soft_renderbuffers(&intel_fb->Base, GL_FALSE, /* never sw color */ GL_FALSE, /* never sw depth */ swStencil, mesaVis->accumRedBits > 0, GL_FALSE, /* never sw alpha */ GL_FALSE /* never sw aux */ ); driDrawPriv->driverPrivate = (void *) intel_fb; return GL_TRUE; } } static void intelDestroyBuffer(__DRIdrawablePrivate * driDrawPriv) { _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate))); } /** * Get information about previous buffer swaps. */ static int intelGetSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo) { struct intel_framebuffer *intel_fb; if ((dPriv == NULL) || (dPriv->driverPrivate == NULL) || (sInfo == NULL)) { return -1; } intel_fb = dPriv->driverPrivate; sInfo->swap_count = intel_fb->swap_count; sInfo->swap_ust = intel_fb->swap_ust; sInfo->swap_missed_count = intel_fb->swap_missed_count; sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0) ? driCalculateSwapUsage(dPriv, 0, intel_fb->swap_missed_ust) : 0.0; return 0; } /* There are probably better ways to do this, such as an * init-designated function to register chipids and createcontext * functions. */ extern GLboolean i830CreateContext(const __GLcontextModes * mesaVis, __DRIcontextPrivate * driContextPriv, void *sharedContextPrivate); extern GLboolean i915CreateContext(const __GLcontextModes * mesaVis, __DRIcontextPrivate * driContextPriv, void *sharedContextPrivate); static GLboolean intelCreateContext(const __GLcontextModes * mesaVis, __DRIcontextPrivate * driContextPriv, void *sharedContextPrivate) { __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; switch (intelScreen->deviceID) { /* Don't deal with i830 until texture work complete: */ case PCI_CHIP_845_G: case PCI_CHIP_I830_M: case PCI_CHIP_I855_GM: case PCI_CHIP_I865_G: return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate); case PCI_CHIP_I915_G: case PCI_CHIP_I915_GM: case PCI_CHIP_I945_G: case PCI_CHIP_I945_GM: return i915CreateContext(mesaVis, driContextPriv, sharedContextPrivate); default: fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID); return GL_FALSE; } } 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 }; static __GLcontextModes * intelFillInModes(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; if (depth_bits == 24) stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits; 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, 5, 0 }; static const __DRIversion dri_expected = { 4, 0, 0 }; static const __DRIversion drm_expected = { 1, 7, 0 }; dri_interface = interface; if (!driCheckDriDdxDrmVersions2("i915", 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, &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); } return (void *) psp; } struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen) { /* * This should probably change to have the screen allocate a dummy * context at screen creation. For now just use the current context. */ GET_CURRENT_CONTEXT(ctx); if (ctx == NULL) { _mesa_problem(NULL, "No current context in intelScreenContext\n"); return NULL; } return intel_context(ctx); }