intel_winsys_softpipe.c \
intel_winsys_i915.c \
intel_batchbuffer.c \
- intel_buffers.c \
+ intel_swapbuffers.c \
intel_context.c \
intel_lock.c \
intel_screen.c \
+++ /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 "intel_screen.h"
-#include "intel_context.h"
-#include "intel_buffers.h"
-#include "intel_batchbuffer.h"
-#include "intel_reg.h"
-#include "context.h"
-#include "utils.h"
-#include "drirenderbuffer.h"
-#include "vblank.h"
-
-#include "pipe/p_context.h"
-#include "state_tracker/st_cb_fbo.h"
-
-
-/* This block can be removed when libdrm >= 2.3.1 is required */
-
-#ifndef DRM_VBLANK_FLIP
-
-#define DRM_VBLANK_FLIP 0x8000000
-
-typedef struct drm_i915_flip {
- int pipes;
-} drm_i915_flip_t;
-
-#undef DRM_IOCTL_I915_FLIP
-#define DRM_IOCTL_I915_FLIP DRM_IOW(DRM_COMMAND_BASE + DRM_I915_FLIP, \
- drm_i915_flip_t)
-
-#endif
-
-
-
-
-/**
- * Copy the back color buffer to the front color buffer.
- * Used for SwapBuffers().
- */
-void
-intelCopyBuffer(__DRIdrawablePrivate * dPriv,
- const drm_clip_rect_t * rect)
-{
-
- struct intel_context *intel;
- const intelScreenPrivate *intelScreen;
-
- DBG(SWAP, "%s\n", __FUNCTION__);
-
- assert(dPriv);
-
- intel = intelScreenContext(dPriv->driScreenPriv->private);
- if (!intel)
- return;
-
- intelScreen = intel->intelScreen;
-
- if (intel->last_swap_fence) {
- driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE);
- driFenceUnReference(intel->last_swap_fence);
- intel->last_swap_fence = NULL;
- }
- intel->last_swap_fence = intel->first_swap_fence;
- intel->first_swap_fence = NULL;
-
- /* The LOCK_HARDWARE is required for the cliprects. Buffer offsets
- * should work regardless.
- */
- LOCK_HARDWARE(intel);
- /* if this drawable isn't currently bound the LOCK_HARDWARE done on the
- current context (which is what intelScreenContext should return) might
- not get a contended lock and thus cliprects not updated (tests/manywin) */
- if ((struct intel_context *)dPriv->driContextPriv->driverPrivate != intel)
- DRI_VALIDATE_DRAWABLE_INFO(intel->driScreen, dPriv);
-
-
- if (dPriv && dPriv->numClipRects) {
- struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
-#if 0
- const struct pipe_region *backRegion
- = intel_fb->Base._ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT ?
- intel_get_rb_region(&intel_fb->Base, BUFFER_FRONT_LEFT) :
- intel_get_rb_region(&intel_fb->Base, BUFFER_BACK_LEFT);
-#endif
- const int backWidth = intel_fb->Base.Width;
- const int backHeight = intel_fb->Base.Height;
- const int nbox = dPriv->numClipRects;
- const drm_clip_rect_t *pbox = dPriv->pClipRects;
- const int pitch = intelScreen->front.pitch / intelScreen->front.cpp;
-#if 0
- const int srcpitch = backRegion->pitch;
-#endif
- const int cpp = intelScreen->front.cpp;
- int BR13, CMD;
- int i;
-
- const struct pipe_surface *backSurf;
- const struct pipe_region *backRegion;
- int srcpitch;
- struct st_renderbuffer *strb;
-
- /* blit from back color buffer if it exists, else front buffer */
- strb = st_renderbuffer(intel_fb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer);
- if (strb) {
- backSurf = strb->surface;
- }
- else {
- strb = st_renderbuffer(intel_fb->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
- backSurf = strb->surface;
- }
-
- backRegion = backSurf->region;
- srcpitch = backRegion->pitch;
-
- ASSERT(intel_fb);
- ASSERT(intel_fb->Base.Name == 0); /* Not a user-created FBO */
- ASSERT(backRegion);
- ASSERT(backRegion->cpp == cpp);
-
- DBG(SWAP, "front pitch %d back pitch %d\n",
- pitch, backRegion->pitch);
-
- if (cpp == 2) {
- BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24);
- CMD = XY_SRC_COPY_BLT_CMD;
- }
- else {
- BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25);
- CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
- XY_SRC_COPY_BLT_WRITE_RGB);
- }
-
- for (i = 0; i < nbox; i++, pbox++) {
- drm_clip_rect_t box;
- drm_clip_rect_t sbox;
-
- if (pbox->x1 > pbox->x2 ||
- pbox->y1 > pbox->y2 ||
- pbox->x2 > intelScreen->front.width ||
- pbox->y2 > intelScreen->front.height)
- continue;
-
- box = *pbox;
-
- if (rect) {
- drm_clip_rect_t rrect;
-
- rrect.x1 = dPriv->x + rect->x1;
- rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y;
- rrect.x2 = rect->x2 + rrect.x1;
- rrect.y2 = rect->y2 + rrect.y1;
- if (rrect.x1 > box.x1)
- box.x1 = rrect.x1;
- if (rrect.y1 > box.y1)
- box.y1 = rrect.y1;
- if (rrect.x2 < box.x2)
- box.x2 = rrect.x2;
- if (rrect.y2 < box.y2)
- box.y2 = rrect.y2;
-
- if (box.x1 > box.x2 || box.y1 > box.y2)
- continue;
- }
-
- /* restrict blit to size of actually rendered area */
- if (box.x2 - box.x1 > backWidth)
- box.x2 = backWidth + box.x1;
- if (box.y2 - box.y1 > backHeight)
- box.y2 = backHeight + box.y1;
-
- DBG(SWAP, "box x1 x2 y1 y2 %d %d %d %d\n",
- box.x1, box.x2, box.y1, box.y2);
-
- sbox.x1 = box.x1 - dPriv->x;
- sbox.y1 = box.y1 - dPriv->y;
-
- BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
- OUT_BATCH(CMD);
- OUT_BATCH(BR13);
- OUT_BATCH((box.y1 << 16) | box.x1);
- OUT_BATCH((box.y2 << 16) | box.x2);
-
- OUT_RELOC(intelScreen->front.buffer,
- DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE,
- DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0);
- OUT_BATCH((sbox.y1 << 16) | sbox.x1);
- OUT_BATCH((srcpitch * cpp) & 0xffff);
- OUT_RELOC(backRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ,
- DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, 0);
-
- ADVANCE_BATCH();
- }
-
- if (intel->first_swap_fence)
- driFenceUnReference(intel->first_swap_fence);
- intel->first_swap_fence = intel_batchbuffer_flush(intel->batch);
- driFenceReference(intel->first_swap_fence);
- }
-
- UNLOCK_HARDWARE(intel);
-
- /* XXX this is bogus. The context here may not even be bound to this drawable! */
- if (intel->lastStamp != dPriv->lastStamp) {
- GET_CURRENT_CONTEXT(currctx);
- struct intel_context *intelcurrent = intel_context(currctx);
- if (intelcurrent == intel && intelcurrent->driDrawable == dPriv) {
- intelWindowMoved(intel);
- intel->lastStamp = dPriv->lastStamp;
- }
- }
-
-}
-
-
-
-/**
- * This will be called whenever the currently bound window is moved/resized.
- * XXX: actually, it seems to NOT be called when the window is only moved (BP).
- */
-void
-intelWindowMoved(struct intel_context *intel)
-{
- GLcontext *ctx = &intel->ctx;
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
-
- if (!intel->ctx.DrawBuffer) {
- /* when would this happen? -BP */
- assert(0);
- intel->numClipRects = 0;
- }
-
- /* Update Mesa's notion of window size */
- driUpdateFramebufferSize(ctx, dPriv);
- intel_fb->Base.Initialized = GL_TRUE; /* XXX remove someday */
-
- {
- drmI830Sarea *sarea = intel->sarea;
- drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w,
- .y1 = dPriv->y, .y2 = dPriv->y + dPriv->h };
- drm_clip_rect_t pipeA_rect = { .x1 = sarea->pipeA_x, .y1 = sarea->pipeA_y,
- .x2 = sarea->pipeA_x + sarea->pipeA_w,
- .y2 = sarea->pipeA_y + sarea->pipeA_h };
- drm_clip_rect_t pipeB_rect = { .x1 = sarea->pipeB_x, .y1 = sarea->pipeB_y,
- .x2 = sarea->pipeB_x + sarea->pipeB_w,
- .y2 = sarea->pipeB_y + sarea->pipeB_h };
- GLint areaA = driIntersectArea( drw_rect, pipeA_rect );
- GLint areaB = driIntersectArea( drw_rect, pipeB_rect );
- GLuint flags = intel_fb->vblank_flags;
- GLboolean pf_active;
- GLint pf_pipes;
-
- /* Update page flipping info
- */
- pf_pipes = 0;
-
- if (areaA > 0)
- pf_pipes |= 1;
-
- if (areaB > 0)
- pf_pipes |= 2;
-
- intel_fb->pf_current_page = (intel->sarea->pf_current_page >>
- (intel_fb->pf_pipes & 0x2)) & 0x3;
-
- intel_fb->pf_num_pages = 2 /*intel->intelScreen->third.handle ? 3 : 2*/;
-
- pf_active = pf_pipes && (pf_pipes & intel->sarea->pf_active) == pf_pipes;
-
- if (pf_active != intel_fb->pf_active)
- DBG(LOCK, "%s - Page flipping %sactive\n",
- __progname, pf_active ? "" : "in");
-
- if (pf_active) {
- /* Sync pages between pipes if we're flipping on both at the same time */
- if (pf_pipes == 0x3 && pf_pipes != intel_fb->pf_pipes &&
- (intel->sarea->pf_current_page & 0x3) !=
- (((intel->sarea->pf_current_page) >> 2) & 0x3)) {
- drm_i915_flip_t flip;
-
- if (intel_fb->pf_current_page ==
- (intel->sarea->pf_current_page & 0x3)) {
- /* XXX: This is ugly, but emitting two flips 'in a row' can cause
- * lockups for unknown reasons.
- */
- intel->sarea->pf_current_page =
- intel->sarea->pf_current_page & 0x3;
- intel->sarea->pf_current_page |=
- ((intel_fb->pf_current_page + intel_fb->pf_num_pages - 1) %
- intel_fb->pf_num_pages) << 2;
-
- flip.pipes = 0x2;
- } else {
- intel->sarea->pf_current_page =
- intel->sarea->pf_current_page & (0x3 << 2);
- intel->sarea->pf_current_page |=
- (intel_fb->pf_current_page + intel_fb->pf_num_pages - 1) %
- intel_fb->pf_num_pages;
-
- flip.pipes = 0x1;
- }
-
- drmCommandWrite(intel->driFd, DRM_I915_FLIP, &flip, sizeof(flip));
- }
-
- intel_fb->pf_pipes = pf_pipes;
- }
-
- intel_fb->pf_active = pf_active;
-#if 0
- intel_flip_renderbuffers(intel_fb);
- intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer);
-#endif
-
- /* Update vblank info
- */
- if (areaB > areaA || (areaA == areaB && areaB > 0)) {
- flags = intel_fb->vblank_flags | VBLANK_FLAG_SECONDARY;
- } else {
- flags = intel_fb->vblank_flags & ~VBLANK_FLAG_SECONDARY;
- }
-
- if (flags != intel_fb->vblank_flags && intel_fb->vblank_flags &&
- !(intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ)) {
- drmVBlank vbl;
- int i;
-
- vbl.request.type = DRM_VBLANK_ABSOLUTE;
-
- if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) {
- vbl.request.type |= DRM_VBLANK_SECONDARY;
- }
-
- for (i = 0; i < intel_fb->pf_num_pages; i++) {
- if ((intel_fb->vbl_waited - intel_fb->vbl_pending[i]) <= (1<<23))
- continue;
-
- vbl.request.sequence = intel_fb->vbl_pending[i];
- drmWaitVBlank(intel->driFd, &vbl);
- }
-
- intel_fb->vblank_flags = flags;
- driGetCurrentVBlank(dPriv, intel_fb->vblank_flags, &intel_fb->vbl_seq);
- intel_fb->vbl_waited = intel_fb->vbl_seq;
-
- for (i = 0; i < intel_fb->pf_num_pages; i++) {
- intel_fb->vbl_pending[i] = intel_fb->vbl_waited;
- }
- }
- }
-
- /* This will be picked up by looking at the dirty state flags:
- */
-
- /* Update hardware scissor */
-// ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y,
-// ctx->Scissor.Width, ctx->Scissor.Height);
-
- /* Re-calculate viewport related state */
-// ctx->Driver.DepthRange( ctx, ctx->Viewport.Near, ctx->Viewport.Far );
-}
-
-
-
-
-
-/* Emit wait for pending flips */
-#if 0
-void
-intel_wait_flips(struct intel_context *intel, GLuint batch_flags)
-{
- struct intel_framebuffer *intel_fb =
- (struct intel_framebuffer *) intel->ctx.DrawBuffer;
- struct intel_renderbuffer *intel_rb =
- intel_get_renderbuffer(&intel_fb->Base,
- intel_fb->Base._ColorDrawBufferMask[0] ==
- BUFFER_BIT_FRONT_LEFT ? BUFFER_FRONT_LEFT :
- BUFFER_BACK_LEFT);
-
- if (intel_fb->Base.Name == 0 && intel_rb->pf_pending == intel_fb->pf_seq) {
- GLint pf_pipes = intel_fb->pf_pipes;
- BATCH_LOCALS;
-
- /* Wait for pending flips to take effect */
- BEGIN_BATCH(2, batch_flags);
- OUT_BATCH(pf_pipes & 0x1 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP)
- : 0);
- OUT_BATCH(pf_pipes & 0x2 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_B_FLIP)
- : 0);
- ADVANCE_BATCH();
-
- intel_rb->pf_pending--;
- }
-}
-#endif
-
-#if 0
-/* Flip the front & back buffers
- */
-static GLboolean
-intelPageFlip(const __DRIdrawablePrivate * dPriv)
-{
- struct intel_context *intel;
- int ret;
- struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
-
- DBG(SWAP, "%s\n", __FUNCTION__);
-
- assert(dPriv);
- assert(dPriv->driContextPriv);
- assert(dPriv->driContextPriv->driverPrivate);
-
- intel = (struct intel_context *) dPriv->driContextPriv->driverPrivate;
-
- if (intel->intelScreen->drmMinor < 9)
- return GL_FALSE;
-
- intelFlush(&intel->ctx);
-
- ret = 0;
-
- LOCK_HARDWARE(intel);
-
- if (dPriv->numClipRects && intel_fb->pf_active) {
- drm_i915_flip_t flip;
-
- flip.pipes = intel_fb->pf_pipes;
-
- ret = drmCommandWrite(intel->driFd, DRM_I915_FLIP, &flip, sizeof(flip));
- }
-
- UNLOCK_HARDWARE(intel);
-
- if (ret || !intel_fb->pf_active)
- return GL_FALSE;
-
- if (!dPriv->numClipRects) {
- usleep(10000); /* throttle invisible client 10ms */
- }
-
- intel_fb->pf_current_page = (intel->sarea->pf_current_page >>
- (intel_fb->pf_pipes & 0x2)) & 0x3;
-
- if (dPriv->numClipRects != 0) {
- intel_get_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT)->pf_pending =
- intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->pf_pending =
- ++intel_fb->pf_seq;
- }
-
-#if 0
- intel_flip_renderbuffers(intel_fb);
- intel_draw_buffer(&intel->ctx, &intel_fb->Base);
-#endif
-
- DBG(SWAP, "%s: success\n", __FUNCTION__);
-
- return GL_TRUE;
-}
-#endif
-
-
-static GLboolean
-intelScheduleSwap(const __DRIdrawablePrivate * dPriv, GLboolean *missed_target)
-{
- struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
- unsigned int interval = driGetVBlankInterval(dPriv, intel_fb->vblank_flags);
- struct intel_context *intel =
- intelScreenContext(dPriv->driScreenPriv->private);
- const intelScreenPrivate *intelScreen = intel->intelScreen;
- unsigned int target;
- drm_i915_vblank_swap_t swap;
- GLboolean ret;
-
- if (!intel_fb->vblank_flags ||
- (intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) ||
- intelScreen->drmMinor < (intel_fb->pf_active ? 9 : 6))
- return GL_FALSE;
-
- swap.seqtype = DRM_VBLANK_ABSOLUTE;
-
- if (intel_fb->vblank_flags & VBLANK_FLAG_SYNC) {
- swap.seqtype |= DRM_VBLANK_NEXTONMISS;
- } else if (interval == 0) {
- return GL_FALSE;
- }
-
- swap.drawable = dPriv->hHWDrawable;
- target = swap.sequence = intel_fb->vbl_seq + interval;
-
- if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) {
- swap.seqtype |= DRM_VBLANK_SECONDARY;
- }
-
- LOCK_HARDWARE(intel);
-
- intel_batchbuffer_flush(intel->batch);
-
- if ( intel_fb->pf_active ) {
- swap.seqtype |= DRM_VBLANK_FLIP;
-
- intel_fb->pf_current_page = (((intel->sarea->pf_current_page >>
- (intel_fb->pf_pipes & 0x2)) & 0x3) + 1) %
- intel_fb->pf_num_pages;
- }
-
- if (!drmCommandWriteRead(intel->driFd, DRM_I915_VBLANK_SWAP, &swap,
- sizeof(swap))) {
- intel_fb->vbl_seq = swap.sequence;
- swap.sequence -= target;
- *missed_target = swap.sequence > 0 && swap.sequence <= (1 << 23);
-
-#if 1
- intel_fb->vbl_pending[1] = intel_fb->vbl_pending[0] = intel_fb->vbl_seq;
-#else
- intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->vbl_pending =
- intel_get_renderbuffer(&intel_fb->Base,
- BUFFER_FRONT_LEFT)->vbl_pending =
- intel_fb->vbl_seq;
-#endif
-
- if (swap.seqtype & DRM_VBLANK_FLIP) {
-#if 0
- intel_flip_renderbuffers(intel_fb);
- intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer);
-#endif
- }
-
- ret = GL_TRUE;
- } else {
- if (swap.seqtype & DRM_VBLANK_FLIP) {
- intel_fb->pf_current_page = ((intel->sarea->pf_current_page >>
- (intel_fb->pf_pipes & 0x2)) & 0x3) %
- intel_fb->pf_num_pages;
- }
-
- ret = GL_FALSE;
- }
-
- UNLOCK_HARDWARE(intel);
-
- return ret;
-}
-
-void
-intelSwapBuffers(__DRIdrawablePrivate * dPriv)
-{
- if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
- GET_CURRENT_CONTEXT(ctx);
- struct intel_context *intel;
-
- if (ctx == NULL)
- return;
-
- intel = intel_context(ctx);
-
- if (ctx->Visual.doubleBufferMode) {
- GLboolean missed_target;
- struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
- int64_t ust;
-
- _mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */
-
- if (!intelScheduleSwap(dPriv, &missed_target)) {
- driWaitForVBlank(dPriv, &intel_fb->vbl_seq, intel_fb->vblank_flags,
- &missed_target);
-
- intelCopyBuffer(dPriv, NULL);
- }
-
- intel_fb->swap_count++;
- (*dri_interface->getUST) (&ust);
- if (missed_target) {
- intel_fb->swap_missed_count++;
- intel_fb->swap_missed_ust = ust - intel_fb->swap_ust;
- }
-
- intel_fb->swap_ust = ust;
- }
- }
- else {
- /* XXX this shouldn't be an error but we can't handle it for now */
- fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
- }
-}
-
-void
-intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h)
-{
- if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
- struct intel_context *intel =
- (struct intel_context *) dPriv->driContextPriv->driverPrivate;
- GLcontext *ctx = &intel->ctx;
-
- if (ctx->Visual.doubleBufferMode) {
- drm_clip_rect_t rect;
- /* fixup cliprect (driDrawable may have changed?) later */
- rect.x1 = x;
- rect.y1 = y;
- rect.x2 = w;
- rect.y2 = h;
- _mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */
- intelCopyBuffer(dPriv, &rect);
- }
- }
- else {
- /* XXX this shouldn't be an error but we can't handle it for now */
- fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
- }
-}
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2006 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.
- *
- **************************************************************************/
-
-#ifndef INTEL_BUFFERS_H
-#define INTEL_BUFFERS_H
-
-
-struct intel_context;
-struct intel_framebuffer;
-
-/**
- * Intel framebuffer, derived from gl_framebuffer.
- */
-struct intel_framebuffer
-{
- struct gl_framebuffer Base;
-
- /* Drawable page flipping state */
- GLboolean pf_active;
- GLuint pf_seq;
- GLint pf_pipes;
- GLint pf_current_page;
- GLint pf_num_pages;
-
- /* VBI
- */
- GLuint vbl_seq;
- GLuint vblank_flags;
- GLuint vbl_waited;
-
- int64_t swap_ust;
- int64_t swap_missed_ust;
-
- GLuint swap_count;
- GLuint swap_missed_count;
-
- GLuint vbl_pending[3]; /**< [number of color buffers] */
-};
-
-
-void intelCopyBuffer(__DRIdrawablePrivate * dPriv,
- const drm_clip_rect_t * rect);
-
-extern void intel_wait_flips(struct intel_context *intel, GLuint batch_flags);
-
-extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv);
-
-extern void intelWindowMoved(struct intel_context *intel);
-
-#endif /* INTEL_BUFFERS_H */
#include "intel_screen.h"
#include "intel_context.h"
-#include "intel_buffers.h"
+#include "intel_swapbuffers.h"
#include "intel_winsys.h"
#include "intel_batchbuffer.h"
#define DRIVER_DATE "20070731"
-_glthread_Mutex lockMutex;
-static GLboolean lockMutexInit = GL_FALSE;
-
/**
intel->driScreen = sPriv;
intel->sarea = saPriv;
- if (!lockMutexInit) {
- lockMutexInit = GL_TRUE;
- _glthread_INIT_MUTEX(lockMutex);
- }
-
driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
intel->driScreen->myNum, "i915");
#include "intel_screen.h"
#include "intel_context.h"
#include "intel_batchbuffer.h"
-#include "intel_buffers.h"
+#include "intel_swapbuffers.h"
#include "i830_dri.h"
#include "intel_screen.h"
#include "intel_batchbuffer.h"
-#include "intel_buffers.h"
+#include "intel_swapbuffers.h"
#include "i830_dri.h"
#include "dri_bufpool.h"
--- /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 "intel_screen.h"
+#include "intel_context.h"
+#include "intel_swapbuffers.h"
+#include "intel_batchbuffer.h"
+#include "intel_reg.h"
+#include "context.h"
+#include "utils.h"
+#include "drirenderbuffer.h"
+#include "vblank.h"
+
+#include "pipe/p_context.h"
+#include "state_tracker/st_cb_fbo.h"
+
+
+/* This block can be removed when libdrm >= 2.3.1 is required */
+
+#ifndef DRM_VBLANK_FLIP
+
+#define DRM_VBLANK_FLIP 0x8000000
+
+typedef struct drm_i915_flip {
+ int pipes;
+} drm_i915_flip_t;
+
+#undef DRM_IOCTL_I915_FLIP
+#define DRM_IOCTL_I915_FLIP DRM_IOW(DRM_COMMAND_BASE + DRM_I915_FLIP, \
+ drm_i915_flip_t)
+
+#endif
+
+
+
+
+/**
+ * Copy the back color buffer to the front color buffer.
+ * Used for SwapBuffers().
+ */
+void
+intelCopyBuffer(__DRIdrawablePrivate * dPriv,
+ const drm_clip_rect_t * rect)
+{
+
+ struct intel_context *intel;
+ const intelScreenPrivate *intelScreen;
+
+ DBG(SWAP, "%s\n", __FUNCTION__);
+
+ assert(dPriv);
+
+ intel = intelScreenContext(dPriv->driScreenPriv->private);
+ if (!intel)
+ return;
+
+ intelScreen = intel->intelScreen;
+
+ if (intel->last_swap_fence) {
+ driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE);
+ driFenceUnReference(intel->last_swap_fence);
+ intel->last_swap_fence = NULL;
+ }
+ intel->last_swap_fence = intel->first_swap_fence;
+ intel->first_swap_fence = NULL;
+
+ /* The LOCK_HARDWARE is required for the cliprects. Buffer offsets
+ * should work regardless.
+ */
+ LOCK_HARDWARE(intel);
+ /* if this drawable isn't currently bound the LOCK_HARDWARE done on the
+ current context (which is what intelScreenContext should return) might
+ not get a contended lock and thus cliprects not updated (tests/manywin) */
+ if ((struct intel_context *)dPriv->driContextPriv->driverPrivate != intel)
+ DRI_VALIDATE_DRAWABLE_INFO(intel->driScreen, dPriv);
+
+
+ if (dPriv && dPriv->numClipRects) {
+ struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
+#if 0
+ const struct pipe_region *backRegion
+ = intel_fb->Base._ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT ?
+ intel_get_rb_region(&intel_fb->Base, BUFFER_FRONT_LEFT) :
+ intel_get_rb_region(&intel_fb->Base, BUFFER_BACK_LEFT);
+#endif
+ const int backWidth = intel_fb->Base.Width;
+ const int backHeight = intel_fb->Base.Height;
+ const int nbox = dPriv->numClipRects;
+ const drm_clip_rect_t *pbox = dPriv->pClipRects;
+ const int pitch = intelScreen->front.pitch / intelScreen->front.cpp;
+#if 0
+ const int srcpitch = backRegion->pitch;
+#endif
+ const int cpp = intelScreen->front.cpp;
+ int BR13, CMD;
+ int i;
+
+ const struct pipe_surface *backSurf;
+ const struct pipe_region *backRegion;
+ int srcpitch;
+ struct st_renderbuffer *strb;
+
+ /* blit from back color buffer if it exists, else front buffer */
+ strb = st_renderbuffer(intel_fb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer);
+ if (strb) {
+ backSurf = strb->surface;
+ }
+ else {
+ strb = st_renderbuffer(intel_fb->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
+ backSurf = strb->surface;
+ }
+
+ backRegion = backSurf->region;
+ srcpitch = backRegion->pitch;
+
+ ASSERT(intel_fb);
+ ASSERT(intel_fb->Base.Name == 0); /* Not a user-created FBO */
+ ASSERT(backRegion);
+ ASSERT(backRegion->cpp == cpp);
+
+ DBG(SWAP, "front pitch %d back pitch %d\n",
+ pitch, backRegion->pitch);
+
+ if (cpp == 2) {
+ BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ }
+ else {
+ BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25);
+ CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ }
+
+ for (i = 0; i < nbox; i++, pbox++) {
+ drm_clip_rect_t box;
+ drm_clip_rect_t sbox;
+
+ if (pbox->x1 > pbox->x2 ||
+ pbox->y1 > pbox->y2 ||
+ pbox->x2 > intelScreen->front.width ||
+ pbox->y2 > intelScreen->front.height)
+ continue;
+
+ box = *pbox;
+
+ if (rect) {
+ drm_clip_rect_t rrect;
+
+ rrect.x1 = dPriv->x + rect->x1;
+ rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y;
+ rrect.x2 = rect->x2 + rrect.x1;
+ rrect.y2 = rect->y2 + rrect.y1;
+ if (rrect.x1 > box.x1)
+ box.x1 = rrect.x1;
+ if (rrect.y1 > box.y1)
+ box.y1 = rrect.y1;
+ if (rrect.x2 < box.x2)
+ box.x2 = rrect.x2;
+ if (rrect.y2 < box.y2)
+ box.y2 = rrect.y2;
+
+ if (box.x1 > box.x2 || box.y1 > box.y2)
+ continue;
+ }
+
+ /* restrict blit to size of actually rendered area */
+ if (box.x2 - box.x1 > backWidth)
+ box.x2 = backWidth + box.x1;
+ if (box.y2 - box.y1 > backHeight)
+ box.y2 = backHeight + box.y1;
+
+ DBG(SWAP, "box x1 x2 y1 y2 %d %d %d %d\n",
+ box.x1, box.x2, box.y1, box.y2);
+
+ sbox.x1 = box.x1 - dPriv->x;
+ sbox.y1 = box.y1 - dPriv->y;
+
+ BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
+ OUT_BATCH(CMD);
+ OUT_BATCH(BR13);
+ OUT_BATCH((box.y1 << 16) | box.x1);
+ OUT_BATCH((box.y2 << 16) | box.x2);
+
+ OUT_RELOC(intelScreen->front.buffer,
+ DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE,
+ DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0);
+ OUT_BATCH((sbox.y1 << 16) | sbox.x1);
+ OUT_BATCH((srcpitch * cpp) & 0xffff);
+ OUT_RELOC(backRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ,
+ DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, 0);
+
+ ADVANCE_BATCH();
+ }
+
+ if (intel->first_swap_fence)
+ driFenceUnReference(intel->first_swap_fence);
+ intel->first_swap_fence = intel_batchbuffer_flush(intel->batch);
+ driFenceReference(intel->first_swap_fence);
+ }
+
+ UNLOCK_HARDWARE(intel);
+
+ /* XXX this is bogus. The context here may not even be bound to this drawable! */
+ if (intel->lastStamp != dPriv->lastStamp) {
+ GET_CURRENT_CONTEXT(currctx);
+ struct intel_context *intelcurrent = intel_context(currctx);
+ if (intelcurrent == intel && intelcurrent->driDrawable == dPriv) {
+ intelWindowMoved(intel);
+ intel->lastStamp = dPriv->lastStamp;
+ }
+ }
+
+}
+
+
+
+/**
+ * This will be called whenever the currently bound window is moved/resized.
+ * XXX: actually, it seems to NOT be called when the window is only moved (BP).
+ */
+void
+intelWindowMoved(struct intel_context *intel)
+{
+ GLcontext *ctx = &intel->ctx;
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
+
+ if (!intel->ctx.DrawBuffer) {
+ /* when would this happen? -BP */
+ assert(0);
+ intel->numClipRects = 0;
+ }
+
+ /* Update Mesa's notion of window size */
+ driUpdateFramebufferSize(ctx, dPriv);
+ intel_fb->Base.Initialized = GL_TRUE; /* XXX remove someday */
+
+ {
+ drmI830Sarea *sarea = intel->sarea;
+ drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w,
+ .y1 = dPriv->y, .y2 = dPriv->y + dPriv->h };
+ drm_clip_rect_t pipeA_rect = { .x1 = sarea->pipeA_x, .y1 = sarea->pipeA_y,
+ .x2 = sarea->pipeA_x + sarea->pipeA_w,
+ .y2 = sarea->pipeA_y + sarea->pipeA_h };
+ drm_clip_rect_t pipeB_rect = { .x1 = sarea->pipeB_x, .y1 = sarea->pipeB_y,
+ .x2 = sarea->pipeB_x + sarea->pipeB_w,
+ .y2 = sarea->pipeB_y + sarea->pipeB_h };
+ GLint areaA = driIntersectArea( drw_rect, pipeA_rect );
+ GLint areaB = driIntersectArea( drw_rect, pipeB_rect );
+ GLuint flags = intel_fb->vblank_flags;
+ GLboolean pf_active;
+ GLint pf_pipes;
+
+ /* Update page flipping info
+ */
+ pf_pipes = 0;
+
+ if (areaA > 0)
+ pf_pipes |= 1;
+
+ if (areaB > 0)
+ pf_pipes |= 2;
+
+ intel_fb->pf_current_page = (intel->sarea->pf_current_page >>
+ (intel_fb->pf_pipes & 0x2)) & 0x3;
+
+ intel_fb->pf_num_pages = 2 /*intel->intelScreen->third.handle ? 3 : 2*/;
+
+ pf_active = pf_pipes && (pf_pipes & intel->sarea->pf_active) == pf_pipes;
+
+ if (pf_active != intel_fb->pf_active)
+ DBG(LOCK, "%s - Page flipping %sactive\n",
+ __progname, pf_active ? "" : "in");
+
+ if (pf_active) {
+ /* Sync pages between pipes if we're flipping on both at the same time */
+ if (pf_pipes == 0x3 && pf_pipes != intel_fb->pf_pipes &&
+ (intel->sarea->pf_current_page & 0x3) !=
+ (((intel->sarea->pf_current_page) >> 2) & 0x3)) {
+ drm_i915_flip_t flip;
+
+ if (intel_fb->pf_current_page ==
+ (intel->sarea->pf_current_page & 0x3)) {
+ /* XXX: This is ugly, but emitting two flips 'in a row' can cause
+ * lockups for unknown reasons.
+ */
+ intel->sarea->pf_current_page =
+ intel->sarea->pf_current_page & 0x3;
+ intel->sarea->pf_current_page |=
+ ((intel_fb->pf_current_page + intel_fb->pf_num_pages - 1) %
+ intel_fb->pf_num_pages) << 2;
+
+ flip.pipes = 0x2;
+ } else {
+ intel->sarea->pf_current_page =
+ intel->sarea->pf_current_page & (0x3 << 2);
+ intel->sarea->pf_current_page |=
+ (intel_fb->pf_current_page + intel_fb->pf_num_pages - 1) %
+ intel_fb->pf_num_pages;
+
+ flip.pipes = 0x1;
+ }
+
+ drmCommandWrite(intel->driFd, DRM_I915_FLIP, &flip, sizeof(flip));
+ }
+
+ intel_fb->pf_pipes = pf_pipes;
+ }
+
+ intel_fb->pf_active = pf_active;
+#if 0
+ intel_flip_renderbuffers(intel_fb);
+ intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer);
+#endif
+
+ /* Update vblank info
+ */
+ if (areaB > areaA || (areaA == areaB && areaB > 0)) {
+ flags = intel_fb->vblank_flags | VBLANK_FLAG_SECONDARY;
+ } else {
+ flags = intel_fb->vblank_flags & ~VBLANK_FLAG_SECONDARY;
+ }
+
+ if (flags != intel_fb->vblank_flags && intel_fb->vblank_flags &&
+ !(intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ)) {
+ drmVBlank vbl;
+ int i;
+
+ vbl.request.type = DRM_VBLANK_ABSOLUTE;
+
+ if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) {
+ vbl.request.type |= DRM_VBLANK_SECONDARY;
+ }
+
+ for (i = 0; i < intel_fb->pf_num_pages; i++) {
+ if ((intel_fb->vbl_waited - intel_fb->vbl_pending[i]) <= (1<<23))
+ continue;
+
+ vbl.request.sequence = intel_fb->vbl_pending[i];
+ drmWaitVBlank(intel->driFd, &vbl);
+ }
+
+ intel_fb->vblank_flags = flags;
+ driGetCurrentVBlank(dPriv, intel_fb->vblank_flags, &intel_fb->vbl_seq);
+ intel_fb->vbl_waited = intel_fb->vbl_seq;
+
+ for (i = 0; i < intel_fb->pf_num_pages; i++) {
+ intel_fb->vbl_pending[i] = intel_fb->vbl_waited;
+ }
+ }
+ }
+
+ /* This will be picked up by looking at the dirty state flags:
+ */
+
+ /* Update hardware scissor */
+// ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y,
+// ctx->Scissor.Width, ctx->Scissor.Height);
+
+ /* Re-calculate viewport related state */
+// ctx->Driver.DepthRange( ctx, ctx->Viewport.Near, ctx->Viewport.Far );
+}
+
+
+
+
+
+/* Emit wait for pending flips */
+#if 0
+void
+intel_wait_flips(struct intel_context *intel, GLuint batch_flags)
+{
+ struct intel_framebuffer *intel_fb =
+ (struct intel_framebuffer *) intel->ctx.DrawBuffer;
+ struct intel_renderbuffer *intel_rb =
+ intel_get_renderbuffer(&intel_fb->Base,
+ intel_fb->Base._ColorDrawBufferMask[0] ==
+ BUFFER_BIT_FRONT_LEFT ? BUFFER_FRONT_LEFT :
+ BUFFER_BACK_LEFT);
+
+ if (intel_fb->Base.Name == 0 && intel_rb->pf_pending == intel_fb->pf_seq) {
+ GLint pf_pipes = intel_fb->pf_pipes;
+ BATCH_LOCALS;
+
+ /* Wait for pending flips to take effect */
+ BEGIN_BATCH(2, batch_flags);
+ OUT_BATCH(pf_pipes & 0x1 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP)
+ : 0);
+ OUT_BATCH(pf_pipes & 0x2 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_B_FLIP)
+ : 0);
+ ADVANCE_BATCH();
+
+ intel_rb->pf_pending--;
+ }
+}
+#endif
+
+#if 0
+/* Flip the front & back buffers
+ */
+static GLboolean
+intelPageFlip(const __DRIdrawablePrivate * dPriv)
+{
+ struct intel_context *intel;
+ int ret;
+ struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
+
+ DBG(SWAP, "%s\n", __FUNCTION__);
+
+ assert(dPriv);
+ assert(dPriv->driContextPriv);
+ assert(dPriv->driContextPriv->driverPrivate);
+
+ intel = (struct intel_context *) dPriv->driContextPriv->driverPrivate;
+
+ if (intel->intelScreen->drmMinor < 9)
+ return GL_FALSE;
+
+ intelFlush(&intel->ctx);
+
+ ret = 0;
+
+ LOCK_HARDWARE(intel);
+
+ if (dPriv->numClipRects && intel_fb->pf_active) {
+ drm_i915_flip_t flip;
+
+ flip.pipes = intel_fb->pf_pipes;
+
+ ret = drmCommandWrite(intel->driFd, DRM_I915_FLIP, &flip, sizeof(flip));
+ }
+
+ UNLOCK_HARDWARE(intel);
+
+ if (ret || !intel_fb->pf_active)
+ return GL_FALSE;
+
+ if (!dPriv->numClipRects) {
+ usleep(10000); /* throttle invisible client 10ms */
+ }
+
+ intel_fb->pf_current_page = (intel->sarea->pf_current_page >>
+ (intel_fb->pf_pipes & 0x2)) & 0x3;
+
+ if (dPriv->numClipRects != 0) {
+ intel_get_renderbuffer(&intel_fb->Base, BUFFER_FRONT_LEFT)->pf_pending =
+ intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->pf_pending =
+ ++intel_fb->pf_seq;
+ }
+
+#if 0
+ intel_flip_renderbuffers(intel_fb);
+ intel_draw_buffer(&intel->ctx, &intel_fb->Base);
+#endif
+
+ DBG(SWAP, "%s: success\n", __FUNCTION__);
+
+ return GL_TRUE;
+}
+#endif
+
+
+static GLboolean
+intelScheduleSwap(const __DRIdrawablePrivate * dPriv, GLboolean *missed_target)
+{
+ struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
+ unsigned int interval = driGetVBlankInterval(dPriv, intel_fb->vblank_flags);
+ struct intel_context *intel =
+ intelScreenContext(dPriv->driScreenPriv->private);
+ const intelScreenPrivate *intelScreen = intel->intelScreen;
+ unsigned int target;
+ drm_i915_vblank_swap_t swap;
+ GLboolean ret;
+
+ if (!intel_fb->vblank_flags ||
+ (intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) ||
+ intelScreen->drmMinor < (intel_fb->pf_active ? 9 : 6))
+ return GL_FALSE;
+
+ swap.seqtype = DRM_VBLANK_ABSOLUTE;
+
+ if (intel_fb->vblank_flags & VBLANK_FLAG_SYNC) {
+ swap.seqtype |= DRM_VBLANK_NEXTONMISS;
+ } else if (interval == 0) {
+ return GL_FALSE;
+ }
+
+ swap.drawable = dPriv->hHWDrawable;
+ target = swap.sequence = intel_fb->vbl_seq + interval;
+
+ if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) {
+ swap.seqtype |= DRM_VBLANK_SECONDARY;
+ }
+
+ LOCK_HARDWARE(intel);
+
+ intel_batchbuffer_flush(intel->batch);
+
+ if ( intel_fb->pf_active ) {
+ swap.seqtype |= DRM_VBLANK_FLIP;
+
+ intel_fb->pf_current_page = (((intel->sarea->pf_current_page >>
+ (intel_fb->pf_pipes & 0x2)) & 0x3) + 1) %
+ intel_fb->pf_num_pages;
+ }
+
+ if (!drmCommandWriteRead(intel->driFd, DRM_I915_VBLANK_SWAP, &swap,
+ sizeof(swap))) {
+ intel_fb->vbl_seq = swap.sequence;
+ swap.sequence -= target;
+ *missed_target = swap.sequence > 0 && swap.sequence <= (1 << 23);
+
+#if 1
+ intel_fb->vbl_pending[1] = intel_fb->vbl_pending[0] = intel_fb->vbl_seq;
+#else
+ intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->vbl_pending =
+ intel_get_renderbuffer(&intel_fb->Base,
+ BUFFER_FRONT_LEFT)->vbl_pending =
+ intel_fb->vbl_seq;
+#endif
+
+ if (swap.seqtype & DRM_VBLANK_FLIP) {
+#if 0
+ intel_flip_renderbuffers(intel_fb);
+ intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer);
+#endif
+ }
+
+ ret = GL_TRUE;
+ } else {
+ if (swap.seqtype & DRM_VBLANK_FLIP) {
+ intel_fb->pf_current_page = ((intel->sarea->pf_current_page >>
+ (intel_fb->pf_pipes & 0x2)) & 0x3) %
+ intel_fb->pf_num_pages;
+ }
+
+ ret = GL_FALSE;
+ }
+
+ UNLOCK_HARDWARE(intel);
+
+ return ret;
+}
+
+void
+intelSwapBuffers(__DRIdrawablePrivate * dPriv)
+{
+ if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
+ GET_CURRENT_CONTEXT(ctx);
+ struct intel_context *intel;
+
+ if (ctx == NULL)
+ return;
+
+ intel = intel_context(ctx);
+
+ if (ctx->Visual.doubleBufferMode) {
+ GLboolean missed_target;
+ struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
+ int64_t ust;
+
+ _mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */
+
+ if (!intelScheduleSwap(dPriv, &missed_target)) {
+ driWaitForVBlank(dPriv, &intel_fb->vbl_seq, intel_fb->vblank_flags,
+ &missed_target);
+
+ intelCopyBuffer(dPriv, NULL);
+ }
+
+ intel_fb->swap_count++;
+ (*dri_interface->getUST) (&ust);
+ if (missed_target) {
+ intel_fb->swap_missed_count++;
+ intel_fb->swap_missed_ust = ust - intel_fb->swap_ust;
+ }
+
+ intel_fb->swap_ust = ust;
+ }
+ }
+ else {
+ /* XXX this shouldn't be an error but we can't handle it for now */
+ fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
+ }
+}
+
+void
+intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h)
+{
+ if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
+ struct intel_context *intel =
+ (struct intel_context *) dPriv->driContextPriv->driverPrivate;
+ GLcontext *ctx = &intel->ctx;
+
+ if (ctx->Visual.doubleBufferMode) {
+ drm_clip_rect_t rect;
+ /* fixup cliprect (driDrawable may have changed?) later */
+ rect.x1 = x;
+ rect.y1 = y;
+ rect.x2 = w;
+ rect.y2 = h;
+ _mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */
+ intelCopyBuffer(dPriv, &rect);
+ }
+ }
+ else {
+ /* XXX this shouldn't be an error but we can't handle it for now */
+ fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
+ }
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2006 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.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_BUFFERS_H
+#define INTEL_BUFFERS_H
+
+
+struct intel_context;
+struct intel_framebuffer;
+
+/**
+ * Intel framebuffer, derived from gl_framebuffer.
+ */
+struct intel_framebuffer
+{
+ struct gl_framebuffer Base;
+
+ /* Drawable page flipping state */
+ GLboolean pf_active;
+ GLuint pf_seq;
+ GLint pf_pipes;
+ GLint pf_current_page;
+ GLint pf_num_pages;
+
+ /* VBI
+ */
+ GLuint vbl_seq;
+ GLuint vblank_flags;
+ GLuint vbl_waited;
+
+ int64_t swap_ust;
+ int64_t swap_missed_ust;
+
+ GLuint swap_count;
+ GLuint swap_missed_count;
+
+ GLuint vbl_pending[3]; /**< [number of color buffers] */
+};
+
+
+void intelCopyBuffer(__DRIdrawablePrivate * dPriv,
+ const drm_clip_rect_t * rect);
+
+extern void intel_wait_flips(struct intel_context *intel, GLuint batch_flags);
+
+extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv);
+
+extern void intelWindowMoved(struct intel_context *intel);
+
+#endif /* INTEL_BUFFERS_H */
#include "intel_context.h"
#include "intel_winsys.h"
-#include "intel_buffers.h"
+#include "intel_swapbuffers.h"
#include "intel_batchbuffer.h"
#include "pipe/p_winsys.h"
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