+++ /dev/null
-/**************************************************************************
- *
- * 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"
-
-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[];
-
-/**
- * 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 __DRIextension *intelExtensions[] = {
- &driReadDrawableExtension,
- &driCopySubBufferExtension.base,
- &driSwapControlExtension.base,
- &driFrameTrackingExtension.base,
- &driMediaStreamCounterExtension.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->front.bo_handle != -1) {
- intelScreen->bufmgr = dri_bufmgr_ttm_init(sPriv->fd,
- DRM_FENCE_TYPE_EXE,
- DRM_FENCE_TYPE_EXE |
- DRM_I915_FENCE_TYPE_RW);
- 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,
- .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);
-
- 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);
-}
-
projects / mesa.git / blobdiff