| /************************************************************************** |
| * |
| * 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 "main/glheader.h" |
| #include "main/context.h" |
| #include "main/framebuffer.h" |
| #include "main/renderbuffer.h" |
| |
| #include "utils.h" |
| #include "vblank.h" |
| #include "xmlpool.h" |
| |
| #include "intel_batchbuffer.h" |
| #include "intel_buffers.h" |
| #include "intel_bufmgr.h" |
| #include "intel_chipset.h" |
| #include "intel_fbo.h" |
| #include "intel_swapbuffers.h" |
| #include "intel_screen.h" |
| #include "intel_tex.h" |
| |
| #include "i915_drm.h" |
| #include "i830_dri.h" |
| |
| #define DRI_CONF_TEXTURE_TILING(def) \ |
| DRI_CONF_OPT_BEGIN(texture_tiling, bool, def) \ |
| DRI_CONF_DESC(en, "Enable texture tiling") \ |
| DRI_CONF_OPT_END \ |
| |
| 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_ALWAYS_SYNC) |
| /* Options correspond to DRI_CONF_BO_REUSE_DISABLED, |
| * DRI_CONF_BO_REUSE_ALL |
| */ |
| DRI_CONF_OPT_BEGIN_V(bo_reuse, enum, 1, "0:1") |
| DRI_CONF_DESC_BEGIN(en, "Buffer object reuse") |
| DRI_CONF_ENUM(0, "Disable buffer object reuse") |
| DRI_CONF_ENUM(1, "Enable reuse of all sizes of buffer objects") |
| DRI_CONF_DESC_END |
| DRI_CONF_OPT_END |
| |
| #ifdef I915 |
| DRI_CONF_TEXTURE_TILING(false) |
| #else |
| DRI_CONF_TEXTURE_TILING(true) |
| #endif |
| |
| DRI_CONF_OPT_BEGIN(early_z, bool, false) |
| DRI_CONF_DESC(en, "Enable early Z in classic mode (unstable, 945-only).") |
| DRI_CONF_OPT_END |
| |
| DRI_CONF_OPT_BEGIN(fragment_shader, bool, false) |
| DRI_CONF_DESC(en, "Enable limited ARB_fragment_shader support on 915/945.") |
| DRI_CONF_OPT_END |
| |
| DRI_CONF_SECTION_END |
| DRI_CONF_SECTION_QUALITY |
| DRI_CONF_FORCE_S3TC_ENABLE(false) |
| DRI_CONF_ALLOW_LARGE_TEXTURES(2) |
| DRI_CONF_SECTION_END |
| DRI_CONF_SECTION_DEBUG |
| DRI_CONF_NO_RAST(false) |
| DRI_CONF_ALWAYS_FLUSH_BATCH(false) |
| DRI_CONF_ALWAYS_FLUSH_CACHE(false) |
| |
| DRI_CONF_OPT_BEGIN(stub_occlusion_query, bool, false) |
| DRI_CONF_DESC(en, "Enable stub ARB_occlusion_query support on 915/945.") |
| DRI_CONF_OPT_END |
| DRI_CONF_SECTION_END |
| DRI_CONF_END; |
| |
| const GLuint __driNConfigOptions = 12; |
| |
| #ifdef USE_NEW_INTERFACE |
| static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; |
| #endif /*USE_NEW_INTERFACE */ |
| |
| /** |
| * 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 (0) |
| _mesa_printf("TEX 0x%08x ", intelScreen->tex.handle); |
| if (intelScreen->tex.size != 0) { |
| if (drmMap(sPriv->fd, |
| intelScreen->tex.handle, |
| intelScreen->tex.size, |
| (drmAddress *) & intelScreen->tex.map) != 0) { |
| intelUnmapScreenRegions(intelScreen); |
| return GL_FALSE; |
| } |
| } |
| |
| return GL_TRUE; |
| } |
| |
| void |
| intelUnmapScreenRegions(intelScreenPrivate * intelScreen) |
| { |
| if (intelScreen->tex.map) { |
| drmUnmap(intelScreen->tex.map, intelScreen->tex.size); |
| intelScreen->tex.map = NULL; |
| } |
| } |
| |
| |
| 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->pitch); |
| fprintf(stderr, "*** Back size: 0x%x offset: 0x%x pitch: %d\n", |
| intelScreen->back.size, intelScreen->back.offset, |
| intelScreen->pitch); |
| fprintf(stderr, "*** Depth size: 0x%x offset: 0x%x pitch: %d\n", |
| intelScreen->depth.size, intelScreen->depth.offset, |
| intelScreen->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 drm_i915_sarea_t * 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 tiled: %d\n", |
| sarea->front_offset, sarea->front_size, |
| (unsigned) sarea->front_handle, sarea->front_tiled); |
| fprintf(stderr, |
| "SAREA: back offset: 0x%08x size: 0x%x handle: 0x%x tiled: %d\n", |
| sarea->back_offset, sarea->back_size, |
| (unsigned) sarea->back_handle, sarea->back_tiled); |
| fprintf(stderr, "SAREA: depth offset: 0x%08x size: 0x%x handle: 0x%x tiled: %d\n", |
| sarea->depth_offset, sarea->depth_size, |
| (unsigned) sarea->depth_handle, sarea->depth_tiled); |
| fprintf(stderr, "SAREA: tex offset: 0x%08x size: 0x%x handle: 0x%x\n", |
| sarea->tex_offset, sarea->tex_size, (unsigned) sarea->tex_handle); |
| } |
| |
| |
| /** |
| * A number of the screen parameters are obtained/computed from |
| * information in the SAREA. This function updates those parameters. |
| */ |
| static void |
| intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen, |
| drm_i915_sarea_t * sarea) |
| { |
| intelScreen->width = sarea->width; |
| intelScreen->height = sarea->height; |
| intelScreen->pitch = sarea->pitch; |
| |
| intelScreen->front.offset = sarea->front_offset; |
| intelScreen->front.handle = sarea->front_handle; |
| intelScreen->front.size = sarea->front_size; |
| intelScreen->front.tiled = sarea->front_tiled; |
| |
| intelScreen->back.offset = sarea->back_offset; |
| intelScreen->back.handle = sarea->back_handle; |
| intelScreen->back.size = sarea->back_size; |
| intelScreen->back.tiled = sarea->back_tiled; |
| |
| intelScreen->depth.offset = sarea->depth_offset; |
| intelScreen->depth.handle = sarea->depth_handle; |
| intelScreen->depth.size = sarea->depth_size; |
| intelScreen->depth.tiled = sarea->depth_tiled; |
| |
| if (intelScreen->driScrnPriv->ddx_version.minor >= 9) { |
| intelScreen->front.bo_handle = sarea->front_bo_handle; |
| intelScreen->back.bo_handle = sarea->back_bo_handle; |
| intelScreen->depth.bo_handle = sarea->depth_bo_handle; |
| } else { |
| intelScreen->front.bo_handle = -1; |
| intelScreen->back.bo_handle = -1; |
| intelScreen->depth.bo_handle = -1; |
| } |
| |
| intelScreen->tex.offset = sarea->tex_offset; |
| intelScreen->logTextureGranularity = sarea->log_tex_granularity; |
| intelScreen->tex.handle = sarea->tex_handle; |
| intelScreen->tex.size = sarea->tex_size; |
| |
| if (0) |
| intelPrintSAREA(sarea); |
| } |
| |
| static const __DRItexOffsetExtension intelTexOffsetExtension = { |
| { __DRI_TEX_OFFSET }, |
| intelSetTexOffset, |
| }; |
| |
| static const __DRItexBufferExtension intelTexBufferExtension = { |
| { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, |
| intelSetTexBuffer, |
| intelSetTexBuffer2, |
| }; |
| |
| static const __DRIextension *intelScreenExtensions[] = { |
| &driReadDrawableExtension, |
| &driCopySubBufferExtension.base, |
| &driSwapControlExtension.base, |
| &driFrameTrackingExtension.base, |
| &driMediaStreamCounterExtension.base, |
| &intelTexOffsetExtension.base, |
| &intelTexBufferExtension.base, |
| NULL |
| }; |
| |
| 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) { |
| _mesa_warning(NULL, "drm_i915_getparam: %d", ret); |
| return GL_FALSE; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv) |
| { |
| intelScreenPrivate *intelScreen; |
| I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv; |
| drm_i915_sarea_t *sarea; |
| |
| 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; |
| sarea = (drm_i915_sarea_t *) |
| (((GLubyte *) sPriv->pSAREA) + gDRIPriv->sarea_priv_offset); |
| intelScreen->sarea = sarea; |
| |
| intelScreen->deviceID = gDRIPriv->deviceID; |
| |
| intelUpdateScreenFromSAREA(intelScreen, sarea); |
| |
| if (!intelMapScreenRegions(sPriv)) { |
| fprintf(stderr, "\nERROR! mapping regions\n"); |
| _mesa_free(intelScreen); |
| sPriv->private = NULL; |
| return GL_FALSE; |
| } |
| |
| if (0) |
| intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); |
| |
| intelScreen->drmMinor = sPriv->drm_version.minor; |
| |
| /* Determine if IRQs are active? */ |
| if (!intel_get_param(sPriv, I915_PARAM_IRQ_ACTIVE, |
| &intelScreen->irq_active)) |
| return GL_FALSE; |
| |
| sPriv->extensions = intelScreenExtensions; |
| |
| return GL_TRUE; |
| } |
| |
| |
| static void |
| intelDestroyScreen(__DRIscreenPrivate * sPriv) |
| { |
| intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; |
| |
| dri_bufmgr_destroy(intelScreen->bufmgr); |
| intelUnmapScreenRegions(intelScreen); |
| driDestroyOptionInfo(&intelScreen->optionCache); |
| |
| 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) |
| { |
| if (isPixmap) { |
| return GL_FALSE; /* not implemented */ |
| } |
| else { |
| GLboolean swStencil = (mesaVis->stencilBits > 0 && |
| mesaVis->depthBits != 24); |
| gl_format rgbFormat; |
| |
| struct intel_framebuffer *intel_fb = CALLOC_STRUCT(intel_framebuffer); |
| |
| if (!intel_fb) |
| return GL_FALSE; |
| |
| _mesa_initialize_framebuffer(&intel_fb->Base, mesaVis); |
| |
| if (mesaVis->redBits == 5) |
| rgbFormat = MESA_FORMAT_RGB565; |
| else if (mesaVis->alphaBits == 0) |
| rgbFormat = MESA_FORMAT_XRGB8888; |
| else |
| rgbFormat = MESA_FORMAT_ARGB8888; |
| |
| /* setup the hardware-based renderbuffers */ |
| intel_fb->color_rb[0] = intel_create_renderbuffer(rgbFormat); |
| _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); |
| |
| _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT, |
| &intel_fb->color_rb[1]->Base); |
| |
| } |
| |
| if (mesaVis->depthBits == 24) { |
| if (mesaVis->stencilBits == 8) { |
| /* combined depth/stencil buffer */ |
| struct intel_renderbuffer *depthStencilRb |
| = intel_create_renderbuffer(MESA_FORMAT_S8_Z24); |
| /* 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 { |
| struct intel_renderbuffer *depthRb |
| = intel_create_renderbuffer(MESA_FORMAT_X8_Z24); |
| _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_DEPTH, |
| &depthRb->Base); |
| } |
| } |
| else if (mesaVis->depthBits == 16) { |
| /* just 16-bit depth buffer, no hw stencil */ |
| struct intel_renderbuffer *depthRb |
| = intel_create_renderbuffer(MESA_FORMAT_Z16); |
| _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) |
| { |
| struct intel_framebuffer *intel_fb = driDrawPriv->driverPrivate; |
| struct intel_renderbuffer *depth_rb; |
| struct intel_renderbuffer *stencil_rb; |
| |
| if (intel_fb) { |
| if (intel_fb->color_rb[0]) { |
| intel_renderbuffer_set_region(intel_fb->color_rb[0], NULL); |
| } |
| |
| if (intel_fb->color_rb[1]) { |
| intel_renderbuffer_set_region(intel_fb->color_rb[1], NULL); |
| } |
| |
| depth_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH); |
| if (depth_rb) { |
| intel_renderbuffer_set_region(depth_rb, NULL); |
| } |
| |
| stencil_rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL); |
| if (stencil_rb) { |
| intel_renderbuffer_set_region(stencil_rb, NULL); |
| } |
| } |
| |
| _mesa_reference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)), NULL); |
| } |
| |
| |
| /** |
| * 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); |
| extern GLboolean brwCreateContext(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; |
| |
| #ifdef I915 |
| if (IS_9XX(intelScreen->deviceID)) { |
| if (!IS_965(intelScreen->deviceID)) { |
| return i915CreateContext(mesaVis, driContextPriv, |
| sharedContextPrivate); |
| } |
| } else { |
| intelScreen->no_vbo = GL_TRUE; |
| return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate); |
| } |
| #else |
| if (IS_965(intelScreen->deviceID)) |
| return brwCreateContext(mesaVis, driContextPriv, sharedContextPrivate); |
| #endif |
| fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID); |
| return GL_FALSE; |
| } |
| |
| |
| static __DRIconfig ** |
| intelFillInModes(__DRIscreenPrivate *psp, |
| unsigned pixel_bits, unsigned depth_bits, |
| unsigned stencil_bits, GLboolean have_back_buffer) |
| { |
| __DRIconfig **configs; |
| __GLcontextModes *m; |
| unsigned depth_buffer_factor; |
| unsigned back_buffer_factor; |
| int i; |
| |
| /* 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 |
| }; |
| |
| uint8_t depth_bits_array[3]; |
| uint8_t stencil_bits_array[3]; |
| uint8_t msaa_samples_array[1]; |
| |
| 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; |
| |
| msaa_samples_array[0] = 0; |
| |
| depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1; |
| back_buffer_factor = (have_back_buffer) ? 3 : 1; |
| |
| if (pixel_bits == 16) { |
| configs = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5, |
| depth_bits_array, stencil_bits_array, |
| depth_buffer_factor, back_buffer_modes, |
| back_buffer_factor, |
| msaa_samples_array, 1); |
| } |
| else { |
| __DRIconfig **configs_a8r8g8b8; |
| __DRIconfig **configs_x8r8g8b8; |
| |
| configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, |
| depth_bits_array, |
| stencil_bits_array, |
| depth_buffer_factor, |
| back_buffer_modes, |
| back_buffer_factor, |
| msaa_samples_array, 1); |
| configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV, |
| depth_bits_array, |
| stencil_bits_array, |
| depth_buffer_factor, |
| back_buffer_modes, |
| back_buffer_factor, |
| msaa_samples_array, 1); |
| configs = driConcatConfigs(configs_a8r8g8b8, configs_x8r8g8b8); |
| } |
| |
| 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 (i = 0; configs[i]; i++) { |
| m = &configs[i]->modes; |
| if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) { |
| m->visualRating = GLX_SLOW_CONFIG; |
| } |
| } |
| |
| return configs; |
| } |
| |
| static GLboolean |
| intel_init_bufmgr(intelScreenPrivate *intelScreen) |
| { |
| GLboolean gem_disable = getenv("INTEL_NO_GEM") != NULL; |
| int gem_kernel = 0; |
| GLboolean gem_supported; |
| struct drm_i915_getparam gp; |
| __DRIscreenPrivate *spriv = intelScreen->driScrnPriv; |
| int num_fences = 0; |
| |
| intelScreen->no_hw = getenv("INTEL_NO_HW") != NULL; |
| |
| gp.param = I915_PARAM_HAS_GEM; |
| gp.value = &gem_kernel; |
| |
| (void) drmCommandWriteRead(spriv->fd, DRM_I915_GETPARAM, &gp, sizeof(gp)); |
| |
| /* If we've got a new enough DDX that's initializing GEM and giving us |
| * object handles for the shared buffers, use that. |
| */ |
| intelScreen->ttm = GL_FALSE; |
| if (intelScreen->driScrnPriv->dri2.enabled) |
| gem_supported = GL_TRUE; |
| else if (intelScreen->driScrnPriv->ddx_version.minor >= 9 && |
| gem_kernel && |
| intelScreen->front.bo_handle != -1) |
| gem_supported = GL_TRUE; |
| else |
| gem_supported = GL_FALSE; |
| |
| if (!gem_disable && gem_supported) { |
| intelScreen->bufmgr = intel_bufmgr_gem_init(spriv->fd, BATCH_SZ); |
| if (intelScreen->bufmgr != NULL) |
| intelScreen->ttm = GL_TRUE; |
| } |
| /* Otherwise, use the classic buffer manager. */ |
| if (intelScreen->bufmgr == NULL) { |
| if (gem_disable) { |
| _mesa_warning(NULL, "GEM disabled. Using classic."); |
| } else { |
| _mesa_warning(NULL, |
| "Failed to initialize GEM. Falling back to classic."); |
| } |
| |
| if (intelScreen->tex.size == 0) { |
| fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n", |
| __func__, __LINE__); |
| return GL_FALSE; |
| } |
| |
| intelScreen->bufmgr = |
| intel_bufmgr_fake_init(spriv->fd, |
| intelScreen->tex.offset, |
| intelScreen->tex.map, |
| intelScreen->tex.size, |
| (unsigned int * volatile) |
| &intelScreen->sarea->last_dispatch); |
| } |
| |
| if (intel_get_param(spriv, I915_PARAM_NUM_FENCES_AVAIL, &num_fences)) |
| intelScreen->kernel_exec_fencing = !!num_fences; |
| else |
| intelScreen->kernel_exec_fencing = GL_FALSE; |
| |
| return GL_TRUE; |
| } |
| |
| /** |
| * This is the driver specific part of the createNewScreen entry point. |
| * Called when using legacy DRI. |
| * |
| * \todo maybe fold this into intelInitDriver |
| * |
| * \return the __GLcontextModes supported by this driver |
| */ |
| static const __DRIconfig **intelInitScreen(__DRIscreenPrivate *psp) |
| { |
| intelScreenPrivate *intelScreen; |
| #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, 5, 0 }; |
| I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; |
| |
| if (!driCheckDriDdxDrmVersions2("i915", |
| &psp->dri_version, &dri_expected, |
| &psp->ddx_version, &ddx_expected, |
| &psp->drm_version, &drm_expected)) { |
| return NULL; |
| } |
| |
| if (!intelInitDriver(psp)) |
| return NULL; |
| |
| psp->extensions = intelScreenExtensions; |
| |
| intelScreen = psp->private; |
| if (!intel_init_bufmgr(intelScreen)) |
| return GL_FALSE; |
| |
| return (const __DRIconfig **) |
| intelFillInModes(psp, dri_priv->cpp * 8, |
| (dri_priv->cpp == 2) ? 16 : 24, |
| (dri_priv->cpp == 2) ? 0 : 8, 1); |
| } |
| |
| 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); |
| } |
| |
| /** |
| * This is the driver specific part of the createNewScreen entry point. |
| * Called when using DRI2. |
| * |
| * \return the __GLcontextModes supported by this driver |
| */ |
| static const |
| __DRIconfig **intelInitScreen2(__DRIscreenPrivate *psp) |
| { |
| intelScreenPrivate *intelScreen; |
| GLenum fb_format[3]; |
| GLenum fb_type[3]; |
| /* 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 |
| }; |
| uint8_t depth_bits[4], stencil_bits[4], msaa_samples_array[1]; |
| int color; |
| __DRIconfig **configs = NULL; |
| |
| /* 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 = 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; |
| |
| if (!intel_init_bufmgr(intelScreen)) |
| return GL_FALSE; |
| |
| intelScreen->irq_active = 1; |
| psp->extensions = intelScreenExtensions; |
| |
| depth_bits[0] = 0; |
| stencil_bits[0] = 0; |
| depth_bits[1] = 16; |
| stencil_bits[1] = 0; |
| depth_bits[2] = 24; |
| stencil_bits[2] = 0; |
| depth_bits[3] = 24; |
| stencil_bits[3] = 8; |
| |
| msaa_samples_array[0] = 0; |
| |
| fb_format[0] = GL_RGB; |
| fb_type[0] = GL_UNSIGNED_SHORT_5_6_5; |
| |
| fb_format[1] = GL_BGR; |
| fb_type[1] = GL_UNSIGNED_INT_8_8_8_8_REV; |
| |
| fb_format[2] = GL_BGRA; |
| fb_type[2] = GL_UNSIGNED_INT_8_8_8_8_REV; |
| |
| depth_bits[0] = 0; |
| stencil_bits[0] = 0; |
| |
| for (color = 0; color < ARRAY_SIZE(fb_format); color++) { |
| __DRIconfig **new_configs; |
| int depth_factor; |
| |
| /* With DRI2 right now, GetBuffers always returns a depth/stencil buffer |
| * with the same cpp as the drawable. So we can't support depth cpp != |
| * color cpp currently. |
| */ |
| if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) { |
| depth_bits[1] = 16; |
| stencil_bits[1] = 0; |
| |
| depth_factor = 2; |
| } else { |
| depth_bits[1] = 24; |
| stencil_bits[1] = 0; |
| depth_bits[2] = 24; |
| stencil_bits[2] = 8; |
| |
| depth_factor = 3; |
| } |
| new_configs = driCreateConfigs(fb_format[color], fb_type[color], |
| depth_bits, |
| stencil_bits, |
| depth_factor, |
| back_buffer_modes, |
| ARRAY_SIZE(back_buffer_modes), |
| msaa_samples_array, |
| ARRAY_SIZE(msaa_samples_array)); |
| if (configs == NULL) |
| configs = new_configs; |
| else |
| configs = driConcatConfigs(configs, new_configs); |
| } |
| |
| if (configs == NULL) { |
| fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, |
| __LINE__); |
| return NULL; |
| } |
| |
| return (const __DRIconfig **)configs; |
| } |
| |
| 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, |
| }; |