/**************************************************************************
*
* 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/extensions.h"
#include "main/framebuffer.h"
#include "main/imports.h"
#include "main/points.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
#include "drivers/common/driverfuncs.h"
#include "i830_dri.h"
#include "intel_chipset.h"
#include "intel_buffers.h"
#include "intel_tex.h"
#include "intel_batchbuffer.h"
#include "intel_clear.h"
#include "intel_extensions.h"
#include "intel_pixel.h"
#include "intel_regions.h"
#include "intel_buffer_objects.h"
#include "intel_fbo.h"
#include "intel_decode.h"
#include "intel_bufmgr.h"
#include "intel_screen.h"
#include "intel_swapbuffers.h"
#include "drirenderbuffer.h"
#include "vblank.h"
#include "utils.h"
#include "xmlpool.h" /* for symbolic values of enum-type options */
#ifndef INTEL_DEBUG
int INTEL_DEBUG = (0);
#endif
#define DRIVER_DATE "20090114"
#define DRIVER_DATE_GEM "GEM " DRIVER_DATE
static const GLubyte *
intelGetString(GLcontext * ctx, GLenum name)
{
const struct intel_context *const intel = intel_context(ctx);
const char *chipset;
static char buffer[128];
switch (name) {
case GL_VENDOR:
return (GLubyte *) "Tungsten Graphics, Inc";
break;
case GL_RENDERER:
switch (intel->intelScreen->deviceID) {
case PCI_CHIP_845_G:
chipset = "Intel(R) 845G";
break;
case PCI_CHIP_I830_M:
chipset = "Intel(R) 830M";
break;
case PCI_CHIP_I855_GM:
chipset = "Intel(R) 852GM/855GM";
break;
case PCI_CHIP_I865_G:
chipset = "Intel(R) 865G";
break;
case PCI_CHIP_I915_G:
chipset = "Intel(R) 915G";
break;
case PCI_CHIP_E7221_G:
chipset = "Intel (R) E7221G (i915)";
break;
case PCI_CHIP_I915_GM:
chipset = "Intel(R) 915GM";
break;
case PCI_CHIP_I945_G:
chipset = "Intel(R) 945G";
break;
case PCI_CHIP_I945_GM:
chipset = "Intel(R) 945GM";
break;
case PCI_CHIP_I945_GME:
chipset = "Intel(R) 945GME";
break;
case PCI_CHIP_G33_G:
chipset = "Intel(R) G33";
break;
case PCI_CHIP_Q35_G:
chipset = "Intel(R) Q35";
break;
case PCI_CHIP_Q33_G:
chipset = "Intel(R) Q33";
break;
case PCI_CHIP_IGD_GM:
case PCI_CHIP_IGD_G:
chipset = "Intel(R) IGD";
break;
case PCI_CHIP_I965_Q:
chipset = "Intel(R) 965Q";
break;
case PCI_CHIP_I965_G:
case PCI_CHIP_I965_G_1:
chipset = "Intel(R) 965G";
break;
case PCI_CHIP_I946_GZ:
chipset = "Intel(R) 946GZ";
break;
case PCI_CHIP_I965_GM:
chipset = "Intel(R) 965GM";
break;
case PCI_CHIP_I965_GME:
chipset = "Intel(R) 965GME/GLE";
break;
case PCI_CHIP_GM45_GM:
chipset = "Mobile Intel® GM45 Express Chipset";
break;
case PCI_CHIP_IGD_E_G:
chipset = "Intel(R) Integrated Graphics Device";
break;
case PCI_CHIP_G45_G:
chipset = "Intel(R) G45/G43";
break;
case PCI_CHIP_Q45_G:
chipset = "Intel(R) Q45/Q43";
break;
case PCI_CHIP_G41_G:
chipset = "Intel(R) G41";
break;
default:
chipset = "Unknown Intel Chipset";
break;
}
(void) driGetRendererString(buffer, chipset,
(intel->ttm) ? DRIVER_DATE_GEM : DRIVER_DATE,
0);
return (GLubyte *) buffer;
default:
return NULL;
}
}
void
intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
{
struct intel_framebuffer *intel_fb = drawable->driverPrivate;
struct intel_renderbuffer *rb;
struct intel_region *region, *depth_region;
struct intel_context *intel = context->driverPrivate;
__DRIbuffer *buffers;
__DRIscreen *screen;
int i, count;
unsigned int attachments[10];
uint32_t name;
const char *region_name;
if (INTEL_DEBUG & DEBUG_DRI)
fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable);
screen = intel->intelScreen->driScrnPriv;
i = 0;
if (intel_fb->color_rb[0])
attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
if (intel_fb->color_rb[1])
attachments[i++] = __DRI_BUFFER_BACK_LEFT;
if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH))
attachments[i++] = __DRI_BUFFER_DEPTH;
if (intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL))
attachments[i++] = __DRI_BUFFER_STENCIL;
buffers = (*screen->dri2.loader->getBuffers)(drawable,
&drawable->w,
&drawable->h,
attachments, i,
&count,
drawable->loaderPrivate);
if (buffers == NULL)
return;
drawable->x = 0;
drawable->y = 0;
drawable->backX = 0;
drawable->backY = 0;
drawable->numClipRects = 1;
drawable->pClipRects[0].x1 = 0;
drawable->pClipRects[0].y1 = 0;
drawable->pClipRects[0].x2 = drawable->w;
drawable->pClipRects[0].y2 = drawable->h;
drawable->numBackClipRects = 1;
drawable->pBackClipRects[0].x1 = 0;
drawable->pBackClipRects[0].y1 = 0;
drawable->pBackClipRects[0].x2 = drawable->w;
drawable->pBackClipRects[0].y2 = drawable->h;
depth_region = NULL;
for (i = 0; i < count; i++) {
switch (buffers[i].attachment) {
case __DRI_BUFFER_FRONT_LEFT:
rb = intel_fb->color_rb[0];
region_name = "dri2 front buffer";
break;
case __DRI_BUFFER_BACK_LEFT:
rb = intel_fb->color_rb[1];
region_name = "dri2 back buffer";
break;
case __DRI_BUFFER_DEPTH:
rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
region_name = "dri2 depth buffer";
break;
case __DRI_BUFFER_STENCIL:
rb = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
region_name = "dri2 stencil buffer";
break;
case __DRI_BUFFER_ACCUM:
default:
fprintf(stderr,
"unhandled buffer attach event, attacment type %d\n",
buffers[i].attachment);
return;
}
if (rb == NULL)
continue;
if (rb->region) {
dri_bo_flink(rb->region->buffer, &name);
if (name == buffers[i].name)
continue;
}
if (INTEL_DEBUG & DEBUG_DRI)
fprintf(stderr,
"attaching buffer %d, at %d, cpp %d, pitch %d\n",
buffers[i].name, buffers[i].attachment,
buffers[i].cpp, buffers[i].pitch);
if (buffers[i].attachment == __DRI_BUFFER_STENCIL && depth_region) {
if (INTEL_DEBUG & DEBUG_DRI)
fprintf(stderr, "(reusing depth buffer as stencil)\n");
intel_region_reference(®ion, depth_region);
}
else
region = intel_region_alloc_for_handle(intel, buffers[i].cpp,
drawable->w,
drawable->h,
buffers[i].pitch / buffers[i].cpp,
buffers[i].name,
region_name);
if (buffers[i].attachment == __DRI_BUFFER_DEPTH)
depth_region = region;
intel_renderbuffer_set_region(rb, region);
intel_region_release(®ion);
}
driUpdateFramebufferSize(&intel->ctx, drawable);
}
void
intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
struct intel_context *intel = intel_context(ctx);
__DRIcontext *driContext = intel->driContext;
void (*old_viewport)(GLcontext *ctx, GLint x, GLint y,
GLsizei w, GLsizei h);
if (!driContext->driScreenPriv->dri2.enabled)
return;
if (!intel->internal_viewport_call) {
intel_update_renderbuffers(driContext, driContext->driDrawablePriv);
if (driContext->driDrawablePriv != driContext->driReadablePriv)
intel_update_renderbuffers(driContext, driContext->driReadablePriv);
}
old_viewport = ctx->Driver.Viewport;
ctx->Driver.Viewport = NULL;
intel->driDrawable = driContext->driDrawablePriv;
intelWindowMoved(intel);
intel_draw_buffer(ctx, intel->ctx.DrawBuffer);
ctx->Driver.Viewport = old_viewport;
}
static const struct dri_debug_control debug_control[] = {
{ "tex", DEBUG_TEXTURE},
{ "state", DEBUG_STATE},
{ "ioctl", DEBUG_IOCTL},
{ "blit", DEBUG_BLIT},
{ "mip", DEBUG_MIPTREE},
{ "fall", DEBUG_FALLBACKS},
{ "verb", DEBUG_VERBOSE},
{ "bat", DEBUG_BATCH},
{ "pix", DEBUG_PIXEL},
{ "buf", DEBUG_BUFMGR},
{ "reg", DEBUG_REGION},
{ "fbo", DEBUG_FBO},
{ "lock", DEBUG_LOCK},
{ "sync", DEBUG_SYNC},
{ "prim", DEBUG_PRIMS },
{ "vert", DEBUG_VERTS },
{ "dri", DEBUG_DRI },
{ "dma", DEBUG_DMA },
{ "san", DEBUG_SANITY },
{ "sleep", DEBUG_SLEEP },
{ "stats", DEBUG_STATS },
{ "tile", DEBUG_TILE },
{ "sing", DEBUG_SINGLE_THREAD },
{ "thre", DEBUG_SINGLE_THREAD },
{ "wm", DEBUG_WM },
{ "urb", DEBUG_URB },
{ "vs", DEBUG_VS },
{ NULL, 0 }
};
static void
intelInvalidateState(GLcontext * ctx, GLuint new_state)
{
struct intel_context *intel = intel_context(ctx);
_swrast_InvalidateState(ctx, new_state);
_swsetup_InvalidateState(ctx, new_state);
_vbo_InvalidateState(ctx, new_state);
_tnl_InvalidateState(ctx, new_state);
_tnl_invalidate_vertex_state(ctx, new_state);
intel->NewGLState |= new_state;
if (intel->vtbl.invalidate_state)
intel->vtbl.invalidate_state( intel, new_state );
}
static void
intel_flush(GLcontext *ctx, GLboolean needs_mi_flush)
{
struct intel_context *intel = intel_context(ctx);
if (intel->Fallback)
_swrast_flush(ctx);
if (!IS_965(intel->intelScreen->deviceID))
INTEL_FIREVERTICES(intel);
/* Emit a flush so that any frontbuffer rendering that might have occurred
* lands onscreen in a timely manner, even if the X Server doesn't trigger
* a flush for us.
*/
if (needs_mi_flush)
intel_batchbuffer_emit_mi_flush(intel->batch);
if (intel->batch->map != intel->batch->ptr)
intel_batchbuffer_flush(intel->batch);
}
void
intelFlush(GLcontext * ctx)
{
intel_flush(ctx, GL_FALSE);
}
static void
intel_glFlush(GLcontext *ctx)
{
intel_flush(ctx, GL_TRUE);
}
void
intelFinish(GLcontext * ctx)
{
struct gl_framebuffer *fb = ctx->DrawBuffer;
int i;
intelFlush(ctx);
for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
struct intel_renderbuffer *irb;
irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]);
if (irb->region)
dri_bo_wait_rendering(irb->region->buffer);
}
if (fb->_DepthBuffer) {
/* XXX: Wait on buffer idle */
}
}
void
intelInitDriverFunctions(struct dd_function_table *functions)
{
_mesa_init_driver_functions(functions);
functions->Flush = intel_glFlush;
functions->Finish = intelFinish;
functions->GetString = intelGetString;
functions->UpdateState = intelInvalidateState;
functions->CopyColorTable = _swrast_CopyColorTable;
functions->CopyColorSubTable = _swrast_CopyColorSubTable;
functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
intelInitTextureFuncs(functions);
intelInitStateFuncs(functions);
intelInitClearFuncs(functions);
intelInitBufferFuncs(functions);
intelInitPixelFuncs(functions);
}
GLboolean
intelInitContext(struct intel_context *intel,
const __GLcontextModes * mesaVis,
__DRIcontextPrivate * driContextPriv,
void *sharedContextPrivate,
struct dd_function_table *functions)
{
GLcontext *ctx = &intel->ctx;
GLcontext *shareCtx = (GLcontext *) sharedContextPrivate;
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private;
int fthrottle_mode;
if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx,
functions, (void *) intel)) {
_mesa_printf("%s: failed to init mesa context\n", __FUNCTION__);
return GL_FALSE;
}
driContextPriv->driverPrivate = intel;
intel->intelScreen = intelScreen;
intel->driScreen = sPriv;
intel->sarea = intelScreen->sarea;
intel->driContext = driContextPriv;
/* Dri stuff */
intel->hHWContext = driContextPriv->hHWContext;
intel->driFd = sPriv->fd;
intel->driHwLock = sPriv->lock;
driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
intel->driScreen->myNum,
IS_965(intelScreen->deviceID) ? "i965" : "i915");
if (intelScreen->deviceID == PCI_CHIP_I865_G)
intel->maxBatchSize = 4096;
else
intel->maxBatchSize = BATCH_SZ;
intel->bufmgr = intelScreen->bufmgr;
intel->ttm = intelScreen->ttm;
if (intel->ttm) {
int bo_reuse_mode;
bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse");
switch (bo_reuse_mode) {
case DRI_CONF_BO_REUSE_DISABLED:
break;
case DRI_CONF_BO_REUSE_ALL:
intel_bufmgr_gem_enable_reuse(intel->bufmgr);
break;
}
}
ctx->Const.MaxTextureMaxAnisotropy = 2.0;
/* This doesn't yet catch all non-conformant rendering, but it's a
* start.
*/
if (getenv("INTEL_STRICT_CONFORMANCE")) {
unsigned int value = atoi(getenv("INTEL_STRICT_CONFORMANCE"));
if (value > 0) {
intel->conformance_mode = value;
}
else {
intel->conformance_mode = 1;
}
}
if (intel->conformance_mode > 0) {
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 1.0;
ctx->Const.MaxLineWidthAA = 1.0;
ctx->Const.LineWidthGranularity = 1.0;
}
else {
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
ctx->Const.MaxLineWidth = 5.0;
ctx->Const.MaxLineWidthAA = 5.0;
ctx->Const.LineWidthGranularity = 0.5;
}
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSize = 255.0;
ctx->Const.MaxPointSizeAA = 3.0;
ctx->Const.PointSizeGranularity = 1.0;
/* reinitialize the context point state.
* It depend on constants in __GLcontextRec::Const
*/
_mesa_init_point(ctx);
ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */
/* Initialize the software rasterizer and helper modules. */
_swrast_CreateContext(ctx);
_vbo_CreateContext(ctx);
_tnl_CreateContext(ctx);
_swsetup_CreateContext(ctx);
/* Configure swrast to match hardware characteristics: */
_swrast_allow_pixel_fog(ctx, GL_FALSE);
_swrast_allow_vertex_fog(ctx, GL_TRUE);
intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
intel->hw_stipple = 1;
/* XXX FBO: this doesn't seem to be used anywhere */
switch (mesaVis->depthBits) {
case 0: /* what to do in this case? */
case 16:
intel->polygon_offset_scale = 1.0;
break;
case 24:
intel->polygon_offset_scale = 2.0; /* req'd to pass glean */
break;
default:
assert(0);
break;
}
if (IS_965(intelScreen->deviceID))
intel->polygon_offset_scale /= 0xffff;
intel->RenderIndex = ~0;
fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode");
intel->irqsEmitted = 0;
intel->do_irqs = (intel->intelScreen->irq_active &&
fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS);
intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS);
if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) {
_mesa_printf("IRQs not active. Exiting\n");
exit(1);
}
intelInitExtensions(ctx, GL_FALSE);
INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
if (INTEL_DEBUG & DEBUG_BUFMGR)
dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE);
if (!sPriv->dri2.enabled)
intel_recreate_static_regions(intel);
intel->batch = intel_batchbuffer_alloc(intel);
intel_bufferobj_init(intel);
intel_fbo_init(intel);
if (intel->ctx.Mesa_DXTn) {
_mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
_mesa_enable_extension(ctx, "GL_S3_s3tc");
}
else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) {
_mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
}
intel->prim.primitive = ~0;
/* Force all software fallbacks */
if (driQueryOptionb(&intel->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D rasterization\n");
intel->no_rast = 1;
}
if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) {
fprintf(stderr, "flushing batchbuffer before/after each draw call\n");
intel->always_flush_batch = 1;
}
if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) {
fprintf(stderr, "flushing GPU caches before/after each draw call\n");
intel->always_flush_cache = 1;
}
/* Disable all hardware rendering (skip emitting batches and fences/waits
* to the kernel)
*/
intel->no_hw = getenv("INTEL_NO_HW") != NULL;
return GL_TRUE;
}
void
intelDestroyContext(__DRIcontextPrivate * driContextPriv)
{
struct intel_context *intel =
(struct intel_context *) driContextPriv->driverPrivate;
assert(intel); /* should never be null */
if (intel) {
GLboolean release_texture_heaps;
INTEL_FIREVERTICES(intel);
intel->vtbl.destroy(intel);
release_texture_heaps = (intel->ctx.Shared->RefCount == 1);
_swsetup_DestroyContext(&intel->ctx);
_tnl_DestroyContext(&intel->ctx);
_vbo_DestroyContext(&intel->ctx);
_swrast_DestroyContext(&intel->ctx);
intel->Fallback = 0; /* don't call _swrast_Flush later */
intel_batchbuffer_free(intel->batch);
intel->batch = NULL;
free(intel->prim.vb);
intel->prim.vb = NULL;
dri_bo_unreference(intel->prim.vb_bo);
intel->prim.vb_bo = NULL;
if (release_texture_heaps) {
/* This share group is about to go away, free our private
* texture object data.
*/
if (INTEL_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "do something to free texture heaps\n");
}
intel_region_release(&intel->front_region);
intel_region_release(&intel->back_region);
intel_region_release(&intel->depth_region);
driDestroyOptionCache(&intel->optionCache);
/* free the Mesa context */
_mesa_free_context_data(&intel->ctx);
}
}
GLboolean
intelUnbindContext(__DRIcontextPrivate * driContextPriv)
{
return GL_TRUE;
}
GLboolean
intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
__DRIdrawablePrivate * driDrawPriv,
__DRIdrawablePrivate * driReadPriv)
{
__DRIscreenPrivate *psp = driDrawPriv->driScreenPriv;
if (driContextPriv) {
struct intel_context *intel =
(struct intel_context *) driContextPriv->driverPrivate;
struct intel_framebuffer *intel_fb =
(struct intel_framebuffer *) driDrawPriv->driverPrivate;
GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate;
if (driContextPriv->driScreenPriv->dri2.enabled) {
intel_update_renderbuffers(driContextPriv, driDrawPriv);
if (driDrawPriv != driReadPriv)
intel_update_renderbuffers(driContextPriv, driReadPriv);
} else {
/* XXX FBO temporary fix-ups! */
/* if the renderbuffers don't have regions, init them from the context */
struct intel_renderbuffer *irbDepth
= intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
struct intel_renderbuffer *irbStencil
= intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
if (intel_fb->color_rb[0]) {
intel_renderbuffer_set_region(intel_fb->color_rb[0],
intel->front_region);
}
if (intel_fb->color_rb[1]) {
intel_renderbuffer_set_region(intel_fb->color_rb[1],
intel->back_region);
}
if (irbDepth) {
intel_renderbuffer_set_region(irbDepth, intel->depth_region);
}
if (irbStencil) {
intel_renderbuffer_set_region(irbStencil, intel->depth_region);
}
}
/* set GLframebuffer size to match window, if needed */
driUpdateFramebufferSize(&intel->ctx, driDrawPriv);
if (driReadPriv != driDrawPriv) {
driUpdateFramebufferSize(&intel->ctx, driReadPriv);
}
_mesa_make_current(&intel->ctx, &intel_fb->Base, readFb);
/* The drawbuffer won't always be updated by _mesa_make_current:
*/
if (intel->ctx.DrawBuffer == &intel_fb->Base) {
if (intel->driReadDrawable != driReadPriv)
intel->driReadDrawable = driReadPriv;
if (intel->driDrawable != driDrawPriv) {
if (driDrawPriv->swap_interval == (unsigned)-1) {
int i;
driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0)
? driGetDefaultVBlankFlags(&intel->optionCache)
: VBLANK_FLAG_NO_IRQ;
/* Prevent error printf if one crtc is disabled, this will
* be properly calculated in intelWindowMoved() next.
*/
driDrawPriv->vblFlags = intelFixupVblank(intel, driDrawPriv);
(*psp->systemTime->getUST) (&intel_fb->swap_ust);
driDrawableInitVBlank(driDrawPriv);
intel_fb->vbl_waited = driDrawPriv->vblSeq;
for (i = 0; i < 2; i++) {
if (intel_fb->color_rb[i])
intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq;
}
}
intel->driDrawable = driDrawPriv;
intelWindowMoved(intel);
}
intel_draw_buffer(&intel->ctx, &intel_fb->Base);
}
}
else {
_mesa_make_current(NULL, NULL, NULL);
}
return GL_TRUE;
}
static void
intelContendedLock(struct intel_context *intel, GLuint flags)
{
__DRIdrawablePrivate *dPriv = intel->driDrawable;
__DRIscreenPrivate *sPriv = intel->driScreen;
volatile drm_i915_sarea_t *sarea = intel->sarea;
int me = intel->hHWContext;
drmGetLock(intel->driFd, intel->hHWContext, flags);
intel->locked = 1;
if (INTEL_DEBUG & DEBUG_LOCK)
_mesa_printf("%s - got contended lock\n", __progname);
/* If the window moved, may need to set a new cliprect now.
*
* NOTE: This releases and regains the hw lock, so all state
* checking must be done *after* this call:
*/
if (dPriv)
DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
if (sarea && sarea->ctxOwner != me) {
if (INTEL_DEBUG & DEBUG_BUFMGR) {
fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n",
sarea->ctxOwner, me);
}
sarea->ctxOwner = me;
}
/* If the last consumer of the texture memory wasn't us, notify the fake
* bufmgr and record the new owner. We should have the memory shared
* between contexts of a single fake bufmgr, but this will at least make
* things correct for now.
*/
if (!intel->ttm && sarea->texAge != intel->hHWContext) {
sarea->texAge = intel->hHWContext;
intel_bufmgr_fake_contended_lock_take(intel->bufmgr);
if (INTEL_DEBUG & DEBUG_BATCH)
intel_decode_context_reset();
if (INTEL_DEBUG & DEBUG_BUFMGR)
fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n",
sarea->ctxOwner, intel->hHWContext);
}
/* Drawable changed?
*/
if (dPriv && intel->lastStamp != dPriv->lastStamp) {
intelWindowMoved(intel);
intel->lastStamp = dPriv->lastStamp;
}
}
_glthread_DECLARE_STATIC_MUTEX(lockMutex);
/* Lock the hardware and validate our state.
*/
void LOCK_HARDWARE( struct intel_context *intel )
{
__DRIdrawable *dPriv = intel->driDrawable;
__DRIscreen *sPriv = intel->driScreen;
char __ret = 0;
struct intel_framebuffer *intel_fb = NULL;
struct intel_renderbuffer *intel_rb = NULL;
_glthread_LOCK_MUTEX(lockMutex);
assert(!intel->locked);
intel->locked = 1;
if (intel->driDrawable) {
intel_fb = intel->driDrawable->driverPrivate;
if (intel_fb)
intel_rb =
intel_get_renderbuffer(&intel_fb->Base,
intel_fb->Base._ColorDrawBufferIndexes[0]);
}
if (intel_rb && dPriv->vblFlags &&
!(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) &&
(intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) {
drmVBlank vbl;
vbl.request.type = DRM_VBLANK_ABSOLUTE;
if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) {
vbl.request.type |= DRM_VBLANK_SECONDARY;
}
vbl.request.sequence = intel_rb->vbl_pending;
drmWaitVBlank(intel->driFd, &vbl);
intel_fb->vbl_waited = vbl.reply.sequence;
}
if (!sPriv->dri2.enabled) {
DRM_CAS(intel->driHwLock, intel->hHWContext,
(DRM_LOCK_HELD|intel->hHWContext), __ret);
if (__ret)
intelContendedLock( intel, 0 );
}
if (INTEL_DEBUG & DEBUG_LOCK)
_mesa_printf("%s - locked\n", __progname);
}
/* Unlock the hardware using the global current context
*/
void UNLOCK_HARDWARE( struct intel_context *intel )
{
__DRIscreen *sPriv = intel->driScreen;
intel->vtbl.note_unlock( intel );
intel->locked = 0;
if (!sPriv->dri2.enabled)
DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
_glthread_UNLOCK_MUTEX(lockMutex);
if (INTEL_DEBUG & DEBUG_LOCK)
_mesa_printf("%s - unlocked\n", __progname);
/**
* Nothing should be left in batch outside of LOCK/UNLOCK which references
* cliprects.
*/
if (intel->batch->cliprect_mode == REFERENCES_CLIPRECTS)
intel_batchbuffer_flush(intel->batch);
}