/************************************************************************** * * 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/matrix.h" #include "main/renderbuffer.h" #include "main/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_fbo.h" #include "intel_chipset.h" #include "i915_drm.h" #include "i830_dri.h" #include "intel_regions.h" #include "intel_batchbuffer.h" #include "intel_bufmgr.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_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 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_SECTION_END DRI_CONF_END; const GLuint __driNConfigOptions = 6; #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. */ 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, }; 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) { fprintf(stderr, "drm_i915_getparam: %d\n", 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); 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); _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(GL_DEPTH24_STENCIL8_EXT); /* 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(GL_DEPTH_COMPONENT24); _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(GL_DEPTH_COMPONENT16); _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); 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; 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. */ 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]; 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; 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; } 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 (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; 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) { fprintf(stderr, "GEM disabled. Using classic.\n"); } else { fprintf(stderr, "Failed to initialize GEM. " "Falling back to classic.\n"); } 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); } /* XXX bufmgr should be per-screen, not per-context */ intelScreen->ttm = intelScreen->ttm; 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; } /* 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; 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; /* 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 = (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; 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, };