/************************************************************************** * * 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_batchbuffer.h" #include "intel_buffers.h" #include "intel_tex.h" #include "intel_ioctl.h" #include "intel_fbo.h" #include "i830_dri.h" #include "dri_bufpool.h" #include "pipe/p_context.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[]; 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, "*** 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); } /** * 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; if (intelScreen->front.map) { drmUnmap(intelScreen->front.map, intelScreen->front.size); intelScreen->front.map = NULL; } if (intelScreen->front.buffer) driDeleteBuffers(1, &intelScreen->front.buffer); intelScreen->front.width = sarea->width; intelScreen->front.height = sarea->height; intelScreen->front.offset = sarea->front_offset; intelScreen->front.pitch = sarea->pitch * intelScreen->front.cpp; intelScreen->front.size = sarea->front_size; intelScreen->front.handle = sarea->front_handle; assert( sarea->front_size >= intelScreen->front.pitch * intelScreen->front.height ); if (!sarea->front_handle) return; if (drmMap(sPriv->fd, sarea->front_handle, intelScreen->front.size, (drmAddress *) & intelScreen->front.map) != 0) { _mesa_problem(NULL, "drmMap(frontbuffer) failed!"); return; } if (intelScreen->staticPool) { driGenBuffers(intelScreen->staticPool, "static region", 1, &intelScreen->front.buffer, 64, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_NO_MOVE | DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0); driBOSetStatic(intelScreen->front.buffer, intelScreen->front.offset, intelScreen->front.pitch * intelScreen->front.height, intelScreen->front.map, 0); } } GLboolean intelCreatePools(intelScreenPrivate *intelScreen) { unsigned batchPoolSize = 1024*1024; __DRIscreenPrivate * sPriv = intelScreen->driScrnPriv; if (intelScreen->havePools) return GL_TRUE; batchPoolSize /= BATCH_SZ; 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, BATCH_SZ, batchPoolSize, 5); if (!intelScreen->batchPool) { fprintf(stderr, "Failed to initialize batch pool - possible incorrect agpgart installed\n"); return GL_FALSE; } intelScreen->havePools = GL_TRUE; intelUpdateScreenRotation(sPriv, intelScreen->sarea); return GL_TRUE; } static GLboolean intelInitDriver(__DRIscreenPrivate * sPriv) { intelScreenPrivate *intelScreen; I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv; 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) return GL_FALSE; /* parse information in __driConfigOptions */ driParseOptionInfo(&intelScreen->optionCache, __driConfigOptions, __driNConfigOptions); intelScreen->driScrnPriv = sPriv; sPriv->private = (void *) intelScreen; intelScreen->sarea = (drmI830Sarea *) (((GLubyte *) sPriv->pSAREA) + gDRIPriv->sarea_priv_offset); intelScreen->deviceID = gDRIPriv->deviceID; intelScreen->front.cpp = gDRIPriv->cpp; intelScreen->drmMinor = sPriv->drmMinor; assert(gDRIPriv->bitsPerPixel == 16 || gDRIPriv->bitsPerPixel == 32); intelUpdateScreenRotation(sPriv, intelScreen->sarea); if (0) intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); 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"); } return GL_TRUE; } static void intelDestroyScreen(__DRIscreenPrivate * sPriv) { intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; // intelUnmapScreenRegions(intelScreen); if (intelScreen->havePools) { 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) { 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); { /* fake frontbuffer */ /* XXX allocation should only happen in the unusual case it's actually needed */ intel_fb->color_rb[0] = intel_new_renderbuffer_fb(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_new_renderbuffer_fb(rgbFormat); _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT, &intel_fb->color_rb[1]->Base); } if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) { /* combined depth/stencil buffer */ struct intel_renderbuffer *depthStencilRb = intel_new_renderbuffer_fb(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 if (mesaVis->depthBits == 16) { /* just 16-bit depth buffer, no hw stencil */ struct intel_renderbuffer *depthRb = intel_new_renderbuffer_fb(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; } 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, .setTexOffset = intelSetTexOffset, }; 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, 7, 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; */ /* need a context for the first time makecurrent is called (for hw lock when allocating priv buffers) */ if (intelScreen->dummyctxptr == NULL) { _mesa_problem(NULL, "No current context in intelScreenContext\n"); return NULL; } return intelScreen->dummyctxptr; } return intel_context(ctx); }