diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_screen.c')
| l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_screen.c | 946 |
1 files changed, 1 insertions, 945 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_screen.c b/src/mesa/drivers/dri/i915/intel_screen.c index 25f5efa7bc..f2db48272b 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_screen.c +++ b/src/mesa/drivers/dri/i915/intel_screen.c @@ -1,945 +1 @@ -/************************************************************************** - * - * 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_buffers.h" -#include "intel_tex.h" -#include "intel_span.h" -#include "intel_tris.h" -#include "intel_ioctl.h" -#include "intel_fbo.h" - -#include "i830_dri.h" -#include "dri_bufmgr.h" -#include "intel_regions.h" -#include "intel_batchbuffer.h" - -#include "intel_bufmgr_ttm.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[]; - extern const struct dri_extension ttm_extensions[]; - -/** - * 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 (intelScreen->front.handle) { - if (drmMap(sPriv->fd, - intelScreen->front.handle, - intelScreen->front.size, - (drmAddress *) & intelScreen->front.map) != 0) { - _mesa_problem(NULL, "drmMap(frontbuffer) failed!"); - return GL_FALSE; - } - } - else { - _mesa_warning(NULL, "no front buffer handle in intelMapScreenRegions!"); - } - - if (0) - _mesa_printf("Back 0x%08x ", intelScreen->back.handle); - if (drmMap(sPriv->fd, - intelScreen->back.handle, - intelScreen->back.size, - (drmAddress *) & intelScreen->back.map) != 0) { - intelUnmapScreenRegions(intelScreen); - return GL_FALSE; - } - - if (intelScreen->third.handle) { - if (0) - _mesa_printf("Third 0x%08x ", intelScreen->third.handle); - if (drmMap(sPriv->fd, - intelScreen->third.handle, - intelScreen->third.size, - (drmAddress *) & intelScreen->third.map) != 0) { - intelUnmapScreenRegions(intelScreen); - return GL_FALSE; - } - } - - if (0) - _mesa_printf("Depth 0x%08x ", intelScreen->depth.handle); - if (drmMap(sPriv->fd, - intelScreen->depth.handle, - intelScreen->depth.size, - (drmAddress *) & intelScreen->depth.map) != 0) { - intelUnmapScreenRegions(intelScreen); - return GL_FALSE; - } - - 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; - } - } - - if (0) - printf("Mappings: front: %p back: %p third: %p depth: %p tex: %p\n", - intelScreen->front.map, - intelScreen->back.map, intelScreen->third.map, - intelScreen->depth.map, intelScreen->tex.map); - return GL_TRUE; -} - -/** Driver-specific fence emit implementation for the fake memory manager. */ -static unsigned int -intel_fence_emit(void *private) -{ - intelScreenPrivate *intelScreen = (intelScreenPrivate *)private; - unsigned int fence; - - /* XXX: Need to emit a flush, if we haven't already (at least with the - * current batchbuffer implementation, we have). - */ - - fence = intelEmitIrqLocked(intelScreen); - - return fence; -} - -/** Driver-specific fence wait implementation for the fake memory manager. */ -static int -intel_fence_wait(void *private, unsigned int cookie) -{ - intelScreenPrivate *intelScreen = (intelScreenPrivate *)private; - - intelWaitIrq(intelScreen, cookie); - - return 0; -} - -static struct intel_region * -intel_recreate_static(intelScreenPrivate *intelScreen, - struct intel_region *region, - intelRegion *region_desc, - GLuint mem_type) -{ - if (region) { - intel_region_update_static(intelScreen, region, mem_type, - region_desc->bo_handle, region_desc->offset, - region_desc->map, intelScreen->cpp, - region_desc->pitch / intelScreen->cpp, - intelScreen->height); - } else { - region = intel_region_create_static(intelScreen, mem_type, - region_desc->bo_handle, - region_desc->offset, - region_desc->map, intelScreen->cpp, - region_desc->pitch / intelScreen->cpp, - intelScreen->height); - } - - assert(region->buffer != NULL); - - return region; -} - - -/* Create intel_region structs to describe the static front,back,depth - * buffers created by the xserver. - * - * Although FBO's mean we now no longer use these as render targets in - * all circumstances, they won't go away until the back and depth - * buffers become private, and the front and rotated buffers will - * remain even then. - * - * Note that these don't allocate video memory, just describe - * allocations alread made by the X server. - */ -static void -intel_recreate_static_regions(intelScreenPrivate *intelScreen) -{ - intelScreen->front_region = - intel_recreate_static(intelScreen, - intelScreen->front_region, - &intelScreen->front, - DRM_BO_FLAG_MEM_TT); - - /* The rotated region is only used for old DDXes that didn't handle rotation -\ * on their own. - */ - if (intelScreen->driScrnPriv->ddx_version.minor < 8) { - intelScreen->rotated_region = - intel_recreate_static(intelScreen, - intelScreen->rotated_region, - &intelScreen->rotated, - DRM_BO_FLAG_MEM_TT); - } - - intelScreen->back_region = - intel_recreate_static(intelScreen, - intelScreen->back_region, - &intelScreen->back, - DRM_BO_FLAG_MEM_TT); - - if (intelScreen->third.handle) { - intelScreen->third_region = - intel_recreate_static(intelScreen, - intelScreen->third_region, - &intelScreen->third, - DRM_BO_FLAG_MEM_TT); - } - - /* Still assumes front.cpp == depth.cpp. We can kill this when we move to - * private buffers. - */ - intelScreen->depth_region = - intel_recreate_static(intelScreen, - intelScreen->depth_region, - &intelScreen->depth, - DRM_BO_FLAG_MEM_TT); -} - -/** - * 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; - - intelUnmapScreenRegions(intelScreen); - intelUpdateScreenFromSAREA(intelScreen, sarea); - if (!intelMapScreenRegions(sPriv)) { - fprintf(stderr, "ERROR Remapping screen regions!!!\n"); - } - intel_recreate_static_regions(intelScreen); -} - - -void -intelUnmapScreenRegions(intelScreenPrivate * intelScreen) -{ -#define REALLY_UNMAP 1 - if (intelScreen->front.map) { -#if REALLY_UNMAP - if (drmUnmap(intelScreen->front.map, intelScreen->front.size) != 0) - printf("drmUnmap front failed!\n"); -#endif - intelScreen->front.map = NULL; - } - if (intelScreen->back.map) { -#if REALLY_UNMAP - if (drmUnmap(intelScreen->back.map, intelScreen->back.size) != 0) - printf("drmUnmap back failed!\n"); -#endif - intelScreen->back.map = NULL; - } - if (intelScreen->third.map) { -#if REALLY_UNMAP - if (drmUnmap(intelScreen->third.map, intelScreen->third.size) != 0) - printf("drmUnmap third failed!\n"); -#endif - intelScreen->third.map = NULL; - } - if (intelScreen->depth.map) { -#if REALLY_UNMAP - drmUnmap(intelScreen->depth.map, intelScreen->depth.size); - intelScreen->depth.map = NULL; -#endif - } - if (intelScreen->tex.map) { -#if REALLY_UNMAP - drmUnmap(intelScreen->tex.map, intelScreen->tex.size); - intelScreen->tex.map = NULL; -#endif - } -} - - -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, "*** Back size: 0x%x offset: 0x%x pitch: %d\n", - intelScreen->back.size, intelScreen->back.offset, - intelScreen->back.pitch); - fprintf(stderr, "*** Depth size: 0x%x offset: 0x%x pitch: %d\n", - intelScreen->depth.size, intelScreen->depth.offset, - intelScreen->depth.pitch); - fprintf(stderr, "*** Rotated size: 0x%x offset: 0x%x pitch: %d\n", - intelScreen->rotated.size, intelScreen->rotated.offset, - intelScreen->rotated.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 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); -} - - -/** - * A number of the screen parameters are obtained/computed from - * information in the SAREA. This function updates those parameters. - */ -void -intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen, - drmI830Sarea * sarea) -{ - intelScreen->width = sarea->width; - intelScreen->height = sarea->height; - - intelScreen->front.offset = sarea->front_offset; - intelScreen->front.pitch = sarea->pitch * intelScreen->cpp; - intelScreen->front.handle = sarea->front_handle; - intelScreen->front.size = sarea->front_size; - - intelScreen->back.offset = sarea->back_offset; - intelScreen->back.pitch = sarea->pitch * intelScreen->cpp; - intelScreen->back.handle = sarea->back_handle; - intelScreen->back.size = sarea->back_size; - - if (intelScreen->driScrnPriv->ddx_version.minor >= 8) { - intelScreen->third.offset = sarea->third_offset; - intelScreen->third.pitch = sarea->pitch * intelScreen->cpp; - intelScreen->third.handle = sarea->third_handle; - intelScreen->third.size = sarea->third_size; - } - - intelScreen->depth.offset = sarea->depth_offset; - intelScreen->depth.pitch = sarea->pitch * intelScreen->cpp; - intelScreen->depth.handle = sarea->depth_handle; - intelScreen->depth.size = sarea->depth_size; - - if (intelScreen->driScrnPriv->ddx_version.minor >= 9) { - intelScreen->front.bo_handle = sarea->front_bo_handle; - intelScreen->back.bo_handle = sarea->back_bo_handle; - intelScreen->third.bo_handle = sarea->third_bo_handle; - intelScreen->depth.bo_handle = sarea->depth_bo_handle; - } else { - intelScreen->front.bo_handle = -1; - intelScreen->back.bo_handle = -1; - intelScreen->third.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; - - intelScreen->rotated.offset = sarea->rotated_offset; - intelScreen->rotated.pitch = sarea->rotated_pitch * intelScreen->cpp; - intelScreen->rotated.size = sarea->rotated_size; - intelScreen->current_rotation = sarea->rotation; - matrix23Rotate(&intelScreen->rotMatrix, - sarea->width, sarea->height, sarea->rotation); - intelScreen->rotatedWidth = sarea->virtualX; - intelScreen->rotatedHeight = sarea->virtualY; - - if (0) - intelPrintSAREA(sarea); -} - -static const __DRItexOffsetExtension intelTexOffsetExtension = { - { __DRI_TEX_OFFSET }, - intelSetTexOffset, -}; - -static const __DRIextension *intelExtensions[] = { - &driReadDrawableExtension, - &driCopySubBufferExtension.base, - &driSwapControlExtension.base, - &driFrameTrackingExtension.base, - &driMediaStreamCounterExtension.base, - &intelTexOffsetExtension.base, - NULL -}; - - -static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv) -{ - intelScreenPrivate *intelScreen; - I830DRIPtr gDRIPriv = (I830DRIPtr) sPriv->pDevPriv; - drmI830Sarea *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; - intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; - sarea = (drmI830Sarea *) - (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset); - - intelScreen->deviceID = gDRIPriv->deviceID; - if (intelScreen->deviceID == PCI_CHIP_I865_G) - intelScreen->maxBatchSize = 4096; - else - intelScreen->maxBatchSize = BATCH_SZ; - - intelScreen->mem = gDRIPriv->mem; - intelScreen->cpp = gDRIPriv->cpp; - - switch (gDRIPriv->bitsPerPixel) { - case 16: - intelScreen->fbFormat = DV_PF_565; - break; - case 32: - intelScreen->fbFormat = DV_PF_8888; - break; - default: - exit(1); - break; - } - - intelUpdateScreenFromSAREA(intelScreen, sarea); - - if (!intelMapScreenRegions(sPriv)) { - fprintf(stderr, "\nERROR! mapping regions\n"); - _mesa_free(intelScreen); - sPriv->private = NULL; - return GL_FALSE; - } - - intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; - - if (0) - intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); - - intelScreen->drmMinor = sPriv->drm_version.minor; - - /* Determine if IRQs are active? */ - { - int ret; - drmI830GetParam gp; - - gp.param = I830_PARAM_IRQ_ACTIVE; - gp.value = &intelScreen->irq_active; - - ret = drmCommandWriteRead(sPriv->fd, DRM_I830_GETPARAM, - &gp, sizeof(gp)); - if (ret) { - fprintf(stderr, "drmI830GetParam: %d\n", ret); - return GL_FALSE; - } - } - - /* Determine if batchbuffers are allowed */ - { - int ret; - drmI830GetParam gp; - - gp.param = I830_PARAM_ALLOW_BATCHBUFFER; - gp.value = &intelScreen->allow_batchbuffer; - - ret = drmCommandWriteRead(sPriv->fd, DRM_I830_GETPARAM, - &gp, sizeof(gp)); - if (ret) { - fprintf(stderr, "drmI830GetParam: (%d) %d\n", gp.param, ret); - return GL_FALSE; - } - } - - sPriv->extensions = intelExtensions; - - /* If we've got a new enough DDX that's initializing TTM and giving us - * object handles for the shared buffers, use that. - */ - intelScreen->ttm = GL_FALSE; - if (getenv("INTEL_NO_TTM") == NULL && - intelScreen->driScrnPriv->ddx_version.minor >= 9 && - intelScreen->drmMinor >= 11 && - intelScreen->front.bo_handle != -1) { - intelScreen->bufmgr = intel_bufmgr_ttm_init(sPriv->fd, - DRM_FENCE_TYPE_EXE, - DRM_FENCE_TYPE_EXE | - DRM_I915_FENCE_TYPE_RW, - BATCH_SZ); - if (intelScreen->bufmgr != NULL) - intelScreen->ttm = GL_TRUE; - } - /* Otherwise, use the classic buffer manager. */ - if (intelScreen->bufmgr == NULL) { - if (intelScreen->tex.size == 0) { - fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n", - __func__, __LINE__); - return GL_FALSE; - } - fprintf(stderr, "[%s:%u] Failed to init TTM buffer manager, falling back" - " to classic.\n", __func__, __LINE__); - intelScreen->bufmgr = dri_bufmgr_fake_init(intelScreen->tex.offset, - intelScreen->tex.map, - intelScreen->tex.size, - intel_fence_emit, - intel_fence_wait, - intelScreen); - } - - intel_recreate_static_regions(intelScreen); - - return GL_TRUE; -} - - -static void -intelDestroyScreen(__DRIscreenPrivate * sPriv) -{ - intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; - - intelUnmapScreenRegions(intelScreen); - - dri_bufmgr_destroy(intelScreen->bufmgr); - 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, - screen->width, screen->height, - screen->front.offset, - screen->front.pitch, - screen->cpp, - screen->front.map); - intel_set_span_functions(&intel_fb->color_rb[0]->Base); - _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, - screen->width, screen->height, - screen->back.offset, - screen->back.pitch, - screen->cpp, - screen->back.map); - intel_set_span_functions(&intel_fb->color_rb[1]->Base); - _mesa_add_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT, - &intel_fb->color_rb[1]->Base); - - if (screen->third.handle) { - struct gl_renderbuffer *tmp_rb = NULL; - - intel_fb->color_rb[2] - = intel_create_renderbuffer(rgbFormat, - screen->width, screen->height, - screen->third.offset, - screen->third.pitch, - screen->cpp, - screen->third.map); - intel_set_span_functions(&intel_fb->color_rb[2]->Base); - _mesa_reference_renderbuffer(&tmp_rb, &intel_fb->color_rb[2]->Base); - } - } - - if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) { - /* combined depth/stencil buffer */ - struct intel_renderbuffer *depthStencilRb - = intel_create_renderbuffer(GL_DEPTH24_STENCIL8_EXT, - screen->width, screen->height, - screen->depth.offset, - screen->depth.pitch, - screen->cpp, /* 4! */ - screen->depth.map); - intel_set_span_functions(&depthStencilRb->Base); - /* 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_create_renderbuffer(GL_DEPTH_COMPONENT16, - screen->width, screen->height, - screen->depth.offset, - screen->depth.pitch, - screen->cpp, /* 2! */ - screen->depth.map); - intel_set_span_functions(&depthRb->Base); - _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); - - - - -static GLboolean -intelCreateContext(const __GLcontextModes * mesaVis, - __DRIcontextPrivate * driContextPriv, - void *sharedContextPrivate) -{ - __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; - intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; - - switch (intelScreen->deviceID) { - /* Don't deal with i830 until texture work complete: - */ - case PCI_CHIP_845_G: - case PCI_CHIP_I830_M: - case PCI_CHIP_I855_GM: - case PCI_CHIP_I865_G: - return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate); - - case PCI_CHIP_I915_G: - case PCI_CHIP_I915_GM: - case PCI_CHIP_I945_G: - case PCI_CHIP_I945_GM: - case PCI_CHIP_I945_GME: - case PCI_CHIP_G33_G: - case PCI_CHIP_Q35_G: - case PCI_CHIP_Q33_G: - return i915CreateContext(mesaVis, driContextPriv, sharedContextPrivate); - - default: - fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID); - return GL_FALSE; - } -} - - -static const struct __DriverAPIRec intelAPI = { - .DestroyScreen = intelDestroyScreen, - .CreateContext = intelCreateContext, - .DestroyContext = intelDestroyContext, - .CreateBuffer = intelCreateBuffer, - .DestroyBuffer = intelDestroyBuffer, - .SwapBuffers = intelSwapBuffers, - .MakeCurrent = intelMakeCurrent, - .UnbindContext = intelUnbindContext, - .GetSwapInfo = intelGetSwapInfo, - .GetMSC = driGetMSC32, - .GetDrawableMSC = driDrawableGetMSC32, - .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 driver specific part of the createNewScreen entry point. - * - * \todo maybe fold this into intelInitDriver - * - * \return the __GLcontextModes supported by this driver - */ -PUBLIC __GLcontextModes *__driDriverInitScreen(__DRIscreenPrivate *psp) -{ - static const __DRIversion ddx_expected = { 1, 5, 0 }; - static const __DRIversion dri_expected = { 4, 0, 0 }; - static const __DRIversion drm_expected = { 1, 5, 0 }; - I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; - - psp->DriverAPI = intelAPI; - - 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? - */ - driInitExtensions(NULL, card_extensions, GL_FALSE); - driInitExtensions(NULL, ttm_extensions, GL_FALSE); - - if (!intelInitDriver(psp)) - return NULL; - - return intelFillInModes(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); -} - +../intel/intel_screen.c
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