/************************************************************************** * * 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 "xmlpool.h" #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 "i915_drm.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_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 = 11; #ifdef USE_NEW_INTERFACE static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; #endif /*USE_NEW_INTERFACE */ static const __DRItexOffsetExtension intelTexOffsetExtension = { { __DRI_TEX_OFFSET }, intelSetTexOffset, }; static const __DRItexBufferExtension intelTexBufferExtension = { { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, intelSetTexBuffer, intelSetTexBuffer2, }; static void intelDRI2Flush(__DRIdrawable *drawable) { struct intel_context *intel = drawable->driContextPriv->driverPrivate; if (intel->gen < 4) INTEL_FIREVERTICES(intel); if (intel->batch->map != intel->batch->ptr) intel_batchbuffer_flush(intel->batch); } static void intelDRI2FlushInvalidate(__DRIdrawable *drawable) { struct intel_context *intel = drawable->driContextPriv->driverPrivate; intel->using_dri2_swapbuffers = GL_TRUE; intelDRI2Flush(drawable); drawable->validBuffers = GL_FALSE; intel_update_renderbuffers(intel->driContext, drawable); } static const struct __DRI2flushExtensionRec intelFlushExtension = { { __DRI2_FLUSH, __DRI2_FLUSH_VERSION }, intelDRI2Flush, intelDRI2FlushInvalidate, }; static const __DRIextension *intelScreenExtensions[] = { &driReadDrawableExtension, &intelTexOffsetExtension.base, &intelTexBufferExtension.base, &intelFlushExtension.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) { _mesa_warning(NULL, "drm_i915_getparam: %d", ret); return GL_FALSE; } return GL_TRUE; } static void intelDestroyScreen(__DRIscreen * sPriv) { intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; dri_bufmgr_destroy(intelScreen->bufmgr); 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(__DRIscreen * driScrnPriv, __DRIdrawable * driDrawPriv, const __GLcontextModes * 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) { 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(fb, BUFFER_DEPTH, &depthStencilRb->Base); _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &depthStencilRb->Base); } else { struct intel_renderbuffer *depthRb = intel_create_renderbuffer(MESA_FORMAT_X8_Z24); _mesa_add_renderbuffer(fb, 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(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 __GLcontextModes * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate); extern GLboolean i915CreateContext(const __GLcontextModes * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate); extern GLboolean brwCreateContext(const __GLcontextModes * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate); static GLboolean intelCreateContext(const __GLcontextModes * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate) { __DRIscreen *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 GLboolean intel_init_bufmgr(intelScreenPrivate *intelScreen) { __DRIscreen *spriv = intelScreen->driScrnPriv; int num_fences = 0; intelScreen->no_hw = getenv("INTEL_NO_HW") != NULL; intelScreen->bufmgr = intel_bufmgr_gem_init(spriv->fd, BATCH_SZ); /* Otherwise, use the classic buffer manager. */ 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)) 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 DRI2. * * \return the __GLcontextModes supported by this driver */ static const __DRIconfig **intelInitScreen2(__DRIscreen *psp) { intelScreenPrivate *intelScreen; GLenum fb_format[3]; GLenum fb_type[3]; static const GLenum back_buffer_modes[] = { GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_EXCHANGE_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; /* 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; 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 = { .DestroyScreen = intelDestroyScreen, .CreateContext = intelCreateContext, .DestroyContext = intelDestroyContext, .CreateBuffer = intelCreateBuffer, .DestroyBuffer = intelDestroyBuffer, .MakeCurrent = intelMakeCurrent, .UnbindContext = intelUnbindContext, .InitScreen2 = intelInitScreen2, }; /* This is the table of extensions that the loader will dlsym() for. */ PUBLIC const __DRIextension *__driDriverExtensions[] = { &driCoreExtension.base, &driDRI2Extension.base, NULL };