/************************************************************************** * * 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 #include "main/glheader.h" #include "main/context.h" #include "main/framebuffer.h" #include "main/renderbuffer.h" #include "main/hash.h" #include "main/fbobject.h" #include "main/mfeatures.h" #include "utils.h" #include "xmlpool.h" PUBLIC const char __driConfigOptions[] = DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE 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_OPT_BEGIN(texture_tiling, bool, true) DRI_CONF_DESC(en, "Enable texture tiling") DRI_CONF_OPT_END 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, true) 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 = 11; #include "intel_batchbuffer.h" #include "intel_buffers.h" #include "intel_bufmgr.h" #include "intel_chipset.h" #include "intel_fbo.h" #include "intel_screen.h" #include "intel_tex.h" #include "intel_regions.h" #include "i915_drm.h" #ifdef USE_NEW_INTERFACE static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; #endif /*USE_NEW_INTERFACE */ static const __DRItexBufferExtension intelTexBufferExtension = { { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, intelSetTexBuffer, intelSetTexBuffer2, }; static void intelDRI2Flush(__DRIdrawable *drawable) { GET_CURRENT_CONTEXT(ctx); struct intel_context *intel = intel_context(ctx); if (intel->gen < 4) INTEL_FIREVERTICES(intel); intel->need_throttle = GL_TRUE; if (intel->batch.used) intel_batchbuffer_flush(intel); } static const struct __DRI2flushExtensionRec intelFlushExtension = { { __DRI2_FLUSH, __DRI2_FLUSH_VERSION }, intelDRI2Flush, dri2InvalidateDrawable, }; static __DRIimage * intel_create_image_from_name(__DRIscreen *screen, int width, int height, int format, int name, int pitch, void *loaderPrivate) { struct intel_screen *intelScreen = screen->private; __DRIimage *image; int cpp; image = CALLOC(sizeof *image); if (image == NULL) return NULL; switch (format) { case __DRI_IMAGE_FORMAT_RGB565: image->format = MESA_FORMAT_RGB565; image->internal_format = GL_RGB; image->data_type = GL_UNSIGNED_BYTE; break; case __DRI_IMAGE_FORMAT_XRGB8888: image->format = MESA_FORMAT_XRGB8888; image->internal_format = GL_RGB; image->data_type = GL_UNSIGNED_BYTE; break; case __DRI_IMAGE_FORMAT_ARGB8888: image->format = MESA_FORMAT_ARGB8888; image->internal_format = GL_RGBA; image->data_type = GL_UNSIGNED_BYTE; break; default: free(image); return NULL; } image->data = loaderPrivate; cpp = _mesa_get_format_bytes(image->format); image->region = intel_region_alloc_for_handle(intelScreen, cpp, width, height, pitch, name, "image"); if (image->region == NULL) { FREE(image); return NULL; } return image; } static __DRIimage * intel_create_image_from_renderbuffer(__DRIcontext *context, int renderbuffer, void *loaderPrivate) { __DRIimage *image; struct intel_context *intel = context->driverPrivate; struct gl_renderbuffer *rb; struct intel_renderbuffer *irb; rb = _mesa_lookup_renderbuffer(&intel->ctx, renderbuffer); if (!rb) { _mesa_error(&intel->ctx, GL_INVALID_OPERATION, "glRenderbufferExternalMESA"); return NULL; } irb = intel_renderbuffer(rb); image = CALLOC(sizeof *image); if (image == NULL) return NULL; image->internal_format = rb->InternalFormat; image->format = rb->Format; image->data_type = rb->DataType; image->data = loaderPrivate; intel_region_reference(&image->region, irb->region); return image; } static void intel_destroy_image(__DRIimage *image) { intel_region_release(&image->region); FREE(image); } static __DRIimage * intel_create_image(__DRIscreen *screen, int width, int height, int format, unsigned int use, void *loaderPrivate) { __DRIimage *image; struct intel_screen *intelScreen = screen->private; uint32_t tiling; int cpp; tiling = I915_TILING_X; if (use & __DRI_IMAGE_USE_CURSOR) { if (width != 64 || height != 64) return NULL; tiling = I915_TILING_NONE; } image = CALLOC(sizeof *image); if (image == NULL) return NULL; switch (format) { case __DRI_IMAGE_FORMAT_RGB565: image->format = MESA_FORMAT_RGB565; image->internal_format = GL_RGB; image->data_type = GL_UNSIGNED_BYTE; break; case __DRI_IMAGE_FORMAT_XRGB8888: image->format = MESA_FORMAT_XRGB8888; image->internal_format = GL_RGB; image->data_type = GL_UNSIGNED_BYTE; break; case __DRI_IMAGE_FORMAT_ARGB8888: image->format = MESA_FORMAT_ARGB8888; image->internal_format = GL_RGBA; image->data_type = GL_UNSIGNED_BYTE; break; default: free(image); return NULL; } image->data = loaderPrivate; cpp = _mesa_get_format_bytes(image->format); image->region = intel_region_alloc(intelScreen, tiling, cpp, width, height, GL_TRUE); if (image->region == NULL) { FREE(image); return NULL; } return image; } static GLboolean intel_query_image(__DRIimage *image, int attrib, int *value) { switch (attrib) { case __DRI_IMAGE_ATTRIB_STRIDE: *value = image->region->pitch * image->region->cpp; return GL_TRUE; case __DRI_IMAGE_ATTRIB_HANDLE: *value = image->region->buffer->handle; return GL_TRUE; case __DRI_IMAGE_ATTRIB_NAME: return intel_region_flink(image->region, (uint32_t *) value); default: return GL_FALSE; } } static struct __DRIimageExtensionRec intelImageExtension = { { __DRI_IMAGE, __DRI_IMAGE_VERSION }, intel_create_image_from_name, intel_create_image_from_renderbuffer, intel_destroy_image, intel_create_image, intel_query_image }; static const __DRIextension *intelScreenExtensions[] = { &driReadDrawableExtension, &intelTexBufferExtension.base, &intelFlushExtension.base, &intelImageExtension.base, &dri2ConfigQueryExtension.base, NULL }; static GLboolean intel_get_param(__DRIscreen *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) { if (ret != -EINVAL) _mesa_warning(NULL, "drm_i915_getparam: %d", ret); return GL_FALSE; } return GL_TRUE; } static GLboolean intel_get_boolean(__DRIscreen *psp, int param) { int value = 0; return intel_get_param(psp, param, &value) && value; } static void nop_callback(GLuint key, void *data, void *userData) { } static void intelDestroyScreen(__DRIscreen * sPriv) { struct intel_screen *intelScreen = sPriv->private; dri_bufmgr_destroy(intelScreen->bufmgr); driDestroyOptionInfo(&intelScreen->optionCache); /* Some regions may still have references to them at this point, so * flush the hash table to prevent _mesa_DeleteHashTable() from * complaining about the hash not being empty; */ _mesa_HashDeleteAll(intelScreen->named_regions, nop_callback, NULL); _mesa_DeleteHashTable(intelScreen->named_regions); FREE(intelScreen); sPriv->private = NULL; } /** * This is called when we need to set up GL rendering to a new X window. */ static GLboolean intelCreateBuffer(__DRIscreen * driScrnPriv, __DRIdrawable * driDrawPriv, const struct gl_config * mesaVis, GLboolean isPixmap) { struct intel_renderbuffer *rb; if (isPixmap) { return GL_FALSE; /* not implemented */ } else { GLboolean swStencil = (mesaVis->stencilBits > 0 && mesaVis->depthBits != 24); gl_format rgbFormat; struct gl_framebuffer *fb = CALLOC_STRUCT(gl_framebuffer); if (!fb) return GL_FALSE; _mesa_initialize_window_framebuffer(fb, 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 */ rb = intel_create_renderbuffer(rgbFormat); _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base); if (mesaVis->doubleBufferMode) { rb = intel_create_renderbuffer(rgbFormat); _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &rb->Base); } if (mesaVis->depthBits == 24) { assert(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(fb, BUFFER_DEPTH, &depthStencilRb->Base); _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &depthStencilRb->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(fb, BUFFER_DEPTH, &depthRb->Base); } /* now add any/all software-based renderbuffers we may need */ _mesa_add_soft_renderbuffers(fb, 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 = fb; return GL_TRUE; } } static void intelDestroyBuffer(__DRIdrawable * driDrawPriv) { struct gl_framebuffer *fb = driDrawPriv->driverPrivate; _mesa_reference_framebuffer(&fb, NULL); } /* There are probably better ways to do this, such as an * init-designated function to register chipids and createcontext * functions. */ extern GLboolean i830CreateContext(const struct gl_config * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate); extern GLboolean i915CreateContext(int api, const struct gl_config * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate); extern GLboolean brwCreateContext(int api, const struct gl_config * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate); static GLboolean intelCreateContext(gl_api api, const struct gl_config * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate) { __DRIscreen *sPriv = driContextPriv->driScreenPriv; struct intel_screen *intelScreen = sPriv->private; #ifdef I915 if (IS_9XX(intelScreen->deviceID)) { if (!IS_965(intelScreen->deviceID)) { return i915CreateContext(api, mesaVis, driContextPriv, sharedContextPrivate); } } else { intelScreen->no_vbo = GL_TRUE; return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate); } #else if (IS_965(intelScreen->deviceID)) return brwCreateContext(api, mesaVis, driContextPriv, sharedContextPrivate); #endif fprintf(stderr, "Unrecognized deviceID 0x%x\n", intelScreen->deviceID); return GL_FALSE; } static GLboolean intel_init_bufmgr(struct intel_screen *intelScreen) { __DRIscreen *spriv = intelScreen->driScrnPriv; int num_fences = 0; intelScreen->no_hw = (getenv("INTEL_NO_HW") != NULL || getenv("INTEL_DEVID_OVERRIDE") != NULL); intelScreen->bufmgr = intel_bufmgr_gem_init(spriv->fd, BATCH_SZ); if (intelScreen->bufmgr == NULL) { fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n", __func__, __LINE__); return GL_FALSE; } if (!intel_get_param(spriv, I915_PARAM_NUM_FENCES_AVAIL, &num_fences) || num_fences == 0) { fprintf(stderr, "[%s: %u] Kernel 2.6.29 required.\n", __func__, __LINE__); return GL_FALSE; } drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr); intelScreen->named_regions = _mesa_NewHashTable(); intelScreen->relaxed_relocations = 0; intelScreen->relaxed_relocations |= intel_get_boolean(spriv, I915_PARAM_HAS_RELAXED_DELTA) << 0; return GL_TRUE; } /** * This is the driver specific part of the createNewScreen entry point. * Called when using DRI2. * * \return the struct gl_config supported by this driver */ static const __DRIconfig **intelInitScreen2(__DRIscreen *psp) { struct intel_screen *intelScreen; GLenum fb_format[3]; GLenum fb_type[3]; unsigned int api_mask; char *devid_override; 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 = CALLOC(sizeof *intelScreen); 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; /* Determine chipset ID */ if (!intel_get_param(psp, I915_PARAM_CHIPSET_ID, &intelScreen->deviceID)) return GL_FALSE; /* Allow an override of the device ID for the purpose of making the * driver produce dumps for debugging of new chipset enablement. * This implies INTEL_NO_HW, to avoid programming your actual GPU * incorrectly. */ devid_override = getenv("INTEL_DEVID_OVERRIDE"); if (devid_override) { intelScreen->deviceID = strtod(devid_override, NULL); } if (IS_GEN7(intelScreen->deviceID)) { intelScreen->gen = 7; } else if (IS_GEN6(intelScreen->deviceID)) { intelScreen->gen = 6; } else if (IS_GEN5(intelScreen->deviceID)) { intelScreen->gen = 5; } else if (IS_965(intelScreen->deviceID)) { intelScreen->gen = 4; } else if (IS_9XX(intelScreen->deviceID)) { intelScreen->gen = 3; } else { intelScreen->gen = 2; } api_mask = (1 << __DRI_API_OPENGL); #if FEATURE_ES1 api_mask |= (1 << __DRI_API_GLES); #endif #if FEATURE_ES2 api_mask |= (1 << __DRI_API_GLES2); #endif if (IS_9XX(intelScreen->deviceID) || IS_965(intelScreen->deviceID)) psp->api_mask = api_mask; if (!intel_init_bufmgr(intelScreen)) return GL_FALSE; psp->extensions = intelScreenExtensions; 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; /* Generate a rich set of useful configs that do not include an * accumulation buffer. */ for (color = 0; color < ARRAY_SIZE(fb_format); color++) { __DRIconfig **new_configs; int depth_factor; /* Starting with DRI2 protocol version 1.1 we can request a depth/stencil * buffer that has a diffferent number of bits per pixel than the color * buffer. This isn't yet supported here. */ if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) { depth_bits[1] = 16; stencil_bits[1] = 0; } else { depth_bits[1] = 24; stencil_bits[1] = 8; } depth_factor = 2; 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), GL_FALSE); if (configs == NULL) configs = new_configs; else configs = driConcatConfigs(configs, new_configs); } /* Generate the minimum possible set of configs that include an * accumulation buffer. */ for (color = 0; color < ARRAY_SIZE(fb_format); color++) { __DRIconfig **new_configs; if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) { depth_bits[0] = 16; stencil_bits[0] = 0; } else { depth_bits[0] = 24; stencil_bits[0] = 8; } new_configs = driCreateConfigs(fb_format[color], fb_type[color], depth_bits, stencil_bits, 1, back_buffer_modes + 1, 1, msaa_samples_array, 1, GL_TRUE); 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; } struct intel_buffer { __DRIbuffer base; struct intel_region *region; }; static __DRIbuffer * intelAllocateBuffer(__DRIscreen *screen, unsigned attachment, unsigned format, int width, int height) { struct intel_buffer *intelBuffer; struct intel_screen *intelScreen = screen->private; uint32_t tiling; intelBuffer = CALLOC(sizeof *intelBuffer); if (intelBuffer == NULL) return NULL; if ((attachment == __DRI_BUFFER_DEPTH || attachment == __DRI_BUFFER_STENCIL || attachment == __DRI_BUFFER_DEPTH_STENCIL) && intelScreen->gen >= 4) tiling = I915_TILING_Y; else tiling = I915_TILING_X; intelBuffer->region = intel_region_alloc(intelScreen, tiling, format / 8, width, height, GL_TRUE); if (intelBuffer->region == NULL) { FREE(intelBuffer); return NULL; } intel_region_flink(intelBuffer->region, &intelBuffer->base.name); intelBuffer->base.attachment = attachment; intelBuffer->base.cpp = intelBuffer->region->cpp; intelBuffer->base.pitch = intelBuffer->region->pitch * intelBuffer->region->cpp; return &intelBuffer->base; } static void intelReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer) { struct intel_buffer *intelBuffer = (struct intel_buffer *) buffer; intel_region_release(&intelBuffer->region); free(intelBuffer); } const struct __DriverAPIRec driDriverAPI = { .DestroyScreen = intelDestroyScreen, .CreateContext = intelCreateContext, .DestroyContext = intelDestroyContext, .CreateBuffer = intelCreateBuffer, .DestroyBuffer = intelDestroyBuffer, .MakeCurrent = intelMakeCurrent, .UnbindContext = intelUnbindContext, .InitScreen2 = intelInitScreen2, .AllocateBuffer = intelAllocateBuffer, .ReleaseBuffer = intelReleaseBuffer }; /* This is the table of extensions that the loader will dlsym() for. */ PUBLIC const __DRIextension *__driDriverExtensions[] = { &driCoreExtension.base, &driDRI2Extension.base, NULL };