*
**************************************************************************/
-#include "intel_screen.h"
#include "intel_context.h"
-#include "intel_blit.h"
#include "intel_buffers.h"
-#include "intel_chipset.h"
-#include "intel_depthstencil.h"
#include "intel_fbo.h"
#include "intel_regions.h"
#include "intel_batchbuffer.h"
-#include "intel_reg.h"
-#include "main/context.h"
#include "main/framebuffer.h"
-#include "swrast/swrast.h"
-#include "utils.h"
#include "drirenderbuffer.h"
-#include "vblank.h"
-#include "i915_drm.h"
-/* This block can be removed when libdrm >= 2.3.1 is required */
-
-#ifndef DRM_IOCTL_I915_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
-
-#define FILE_DEBUG_FLAG DEBUG_BLIT
/**
* XXX move this into a new dri/common/cliprects.c file.
return NULL;
}
-
-
-/**
- * Update the following fields for rendering to a user-created FBO:
- * intel->numClipRects
- * intel->pClipRects
- * intel->drawX
- * intel->drawY
- */
-static void
-intelSetRenderbufferClipRects(struct intel_context *intel)
-{
- /* If the batch contents require looping over cliprects, flush them before
- * we go changing which cliprects get referenced when that happens.
- */
- if (intel->batch->cliprect_mode == LOOP_CLIPRECTS &&
- (intel->fboRect.x2 != intel->ctx.DrawBuffer->Width ||
- intel->fboRect.x2 != intel->ctx.DrawBuffer->Height))
- intel_batchbuffer_flush(intel->batch);
-
- assert(intel->ctx.DrawBuffer->Width > 0);
- assert(intel->ctx.DrawBuffer->Height > 0);
- intel->fboRect.x1 = 0;
- intel->fboRect.y1 = 0;
- intel->fboRect.x2 = intel->ctx.DrawBuffer->Width;
- intel->fboRect.y2 = intel->ctx.DrawBuffer->Height;
- intel->numClipRects = 1;
- intel->pClipRects = &intel->fboRect;
- intel->drawX = 0;
- intel->drawY = 0;
-}
-
-
-/**
- * As above, but for rendering to front buffer of a window.
- * \sa intelSetRenderbufferClipRects
- */
-static void
-intelSetFrontClipRects(struct intel_context *intel)
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
-
- if (!dPriv)
- return;
-
- /* If the batch contents require looping over cliprects, flush them before
- * we go changing which cliprects get referenced when that happens.
- */
- if (intel->batch->cliprect_mode == LOOP_CLIPRECTS &&
- intel->pClipRects != dPriv->pClipRects)
- intel_batchbuffer_flush(intel->batch);
- intel->numClipRects = dPriv->numClipRects;
- intel->pClipRects = dPriv->pClipRects;
- intel->drawX = dPriv->x;
- intel->drawY = dPriv->y;
-}
-
-
-/**
- * As above, but for rendering to back buffer of a window.
- */
-static void
-intelSetBackClipRects(struct intel_context *intel)
+void
+intel_get_cliprects(struct intel_context *intel,
+ struct drm_clip_rect **cliprects,
+ unsigned int *num_cliprects,
+ int *x_off, int *y_off)
{
__DRIdrawablePrivate *dPriv = intel->driDrawable;
- struct intel_framebuffer *intel_fb;
-
- if (!dPriv)
- return;
- intel_fb = dPriv->driverPrivate;
-
- if (intel_fb->pf_active || dPriv->numBackClipRects == 0) {
+ if (intel->constant_cliprect) {
+ /* FBO or DRI2 rendering, which can just use the fb's size. */
+ intel->fboRect.x1 = 0;
+ intel->fboRect.y1 = 0;
+ intel->fboRect.x2 = intel->ctx.DrawBuffer->Width;
+ intel->fboRect.y2 = intel->ctx.DrawBuffer->Height;
+
+ *cliprects = &intel->fboRect;
+ *num_cliprects = 1;
+ *x_off = 0;
+ *y_off = 0;
+ } else if (intel->front_cliprects || dPriv->numBackClipRects == 0) {
/* use the front clip rects */
- if (intel->batch->cliprect_mode == LOOP_CLIPRECTS &&
- intel->pClipRects != dPriv->pClipRects)
- intel_batchbuffer_flush(intel->batch);
-
- intel->numClipRects = dPriv->numClipRects;
- intel->pClipRects = dPriv->pClipRects;
- intel->drawX = dPriv->x;
- intel->drawY = dPriv->y;
+ *cliprects = dPriv->pClipRects;
+ *num_cliprects = dPriv->numClipRects;
+ *x_off = dPriv->x;
+ *y_off = dPriv->y;
}
else {
/* use the back clip rects */
- if (intel->batch->cliprect_mode == LOOP_CLIPRECTS &&
- intel->pClipRects != dPriv->pBackClipRects)
- intel_batchbuffer_flush(intel->batch);
-
- intel->numClipRects = dPriv->numBackClipRects;
- intel->pClipRects = dPriv->pBackClipRects;
- intel->drawX = dPriv->backX;
- intel->drawY = dPriv->backY;
- }
-}
-
-static void
-intelUpdatePageFlipping(struct intel_context *intel,
- GLint areaA, GLint areaB)
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
- GLboolean pf_active;
- GLint pf_planes;
-
- /* Update page flipping info */
- pf_planes = 0;
-
- if (areaA > 0)
- pf_planes |= 1;
-
- if (areaB > 0)
- pf_planes |= 2;
-
- intel_fb->pf_current_page = (intel->sarea->pf_current_page >>
- (intel_fb->pf_planes & 0x2)) & 0x3;
-
- intel_fb->pf_num_pages = intel->intelScreen->third.handle ? 3 : 2;
-
- pf_active = pf_planes && (pf_planes & intel->sarea->pf_active) == pf_planes;
-
- if (INTEL_DEBUG & DEBUG_LOCK)
- if (pf_active != intel_fb->pf_active)
- _mesa_printf("%s - Page flipping %sactive\n", __progname,
- pf_active ? "" : "in");
-
- if (pf_active) {
- /* Sync pages between planes if flipping on both at the same time */
- if (pf_planes == 0x3 && pf_planes != intel_fb->pf_planes &&
- (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_planes = pf_planes;
- }
-
- intel_fb->pf_active = pf_active;
- intel_flip_renderbuffers(intel_fb);
- intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer);
-}
-
-/**
- * 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 */
- intelSetFrontClipRects(intel);
- }
- else if (intel->ctx.DrawBuffer->Name != 0) {
- /* drawing to user-created FBO - do nothing */
- /* Cliprects would be set from intelDrawBuffer() */
- }
- else {
- /* drawing to a window */
- switch (intel_fb->Base._ColorDrawBufferIndexes[0]) {
- case BUFFER_FRONT_LEFT:
- intelSetFrontClipRects(intel);
- break;
- case BUFFER_BACK_LEFT:
- intelSetBackClipRects(intel);
- break;
- default:
- intelSetFrontClipRects(intel);
- }
-
- }
-
- if (!intel->intelScreen->driScrnPriv->dri2.enabled &&
- intel->intelScreen->driScrnPriv->ddx_version.minor >= 7) {
- volatile struct drm_i915_sarea *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 planeA_rect = { .x1 = sarea->planeA_x, .y1 = sarea->planeA_y,
- .x2 = sarea->planeA_x + sarea->planeA_w,
- .y2 = sarea->planeA_y + sarea->planeA_h };
- drm_clip_rect_t planeB_rect = { .x1 = sarea->planeB_x, .y1 = sarea->planeB_y,
- .x2 = sarea->planeB_x + sarea->planeB_w,
- .y2 = sarea->planeB_y + sarea->planeB_h };
- GLint areaA = driIntersectArea( drw_rect, planeA_rect );
- GLint areaB = driIntersectArea( drw_rect, planeB_rect );
- GLuint flags = dPriv->vblFlags;
-
- intelUpdatePageFlipping(intel, areaA, areaB);
-
- /* Update vblank info
- */
- if (areaB > areaA || (areaA == areaB && areaB > 0)) {
- flags = dPriv->vblFlags | VBLANK_FLAG_SECONDARY;
- } else {
- flags = dPriv->vblFlags & ~VBLANK_FLAG_SECONDARY;
- }
-
- /* Check to see if we changed pipes */
- if (flags != dPriv->vblFlags && dPriv->vblFlags &&
- !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ)) {
- int64_t count;
- drmVBlank vbl;
- int i;
-
- /*
- * Deal with page flipping
- */
- vbl.request.type = DRM_VBLANK_ABSOLUTE;
-
- if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) {
- vbl.request.type |= DRM_VBLANK_SECONDARY;
- }
-
- for (i = 0; i < intel_fb->pf_num_pages; i++) {
- if (!intel_fb->color_rb[i] ||
- (intel_fb->vbl_waited - intel_fb->color_rb[i]->vbl_pending) <=
- (1<<23))
- continue;
-
- vbl.request.sequence = intel_fb->color_rb[i]->vbl_pending;
- drmWaitVBlank(intel->driFd, &vbl);
- }
-
- /*
- * Update msc_base from old pipe
- */
- driDrawableGetMSC32(dPriv->driScreenPriv, dPriv, &count);
- dPriv->msc_base = count;
- /*
- * Then get new vblank_base and vblSeq values
- */
- dPriv->vblFlags = flags;
- driGetCurrentVBlank(dPriv);
- dPriv->vblank_base = dPriv->vblSeq;
-
- intel_fb->vbl_waited = dPriv->vblSeq;
-
- for (i = 0; i < intel_fb->pf_num_pages; i++) {
- if (intel_fb->color_rb[i])
- intel_fb->color_rb[i]->vbl_pending = intel_fb->vbl_waited;
- }
- }
- } else {
- dPriv->vblFlags &= ~VBLANK_FLAG_SECONDARY;
- }
-
- /* Update Mesa's notion of window size */
- driUpdateFramebufferSize(ctx, dPriv);
- intel_fb->Base.Initialized = GL_TRUE; /* XXX remove someday */
-
- /* Update hardware scissor */
- if (ctx->Driver.Scissor != NULL) {
- ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y,
- ctx->Scissor.Width, ctx->Scissor.Height);
- }
-
- /* Re-calculate viewport related state */
- if (ctx->Driver.DepthRange != NULL)
- ctx->Driver.DepthRange( ctx, ctx->Viewport.Near, ctx->Viewport.Far );
-}
-
-
-
-/* A true meta version of this would be very simple and additionally
- * machine independent. Maybe we'll get there one day.
- */
-static void
-intelClearWithTris(struct intel_context *intel, GLbitfield mask)
-{
- GLcontext *ctx = &intel->ctx;
- struct gl_framebuffer *fb = ctx->DrawBuffer;
- GLuint buf;
-
- intel->vtbl.install_meta_state(intel);
-
- /* Back and stencil cliprects are the same. Try and do both
- * buffers at once:
- */
- if (mask & (BUFFER_BIT_BACK_LEFT | BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH)) {
- struct intel_region *backRegion =
- intel_get_rb_region(fb, BUFFER_BACK_LEFT);
- struct intel_region *depthRegion =
- intel_get_rb_region(fb, BUFFER_DEPTH);
-
- intel->vtbl.meta_draw_region(intel, backRegion, depthRegion);
-
- if (mask & BUFFER_BIT_BACK_LEFT)
- intel->vtbl.meta_color_mask(intel, GL_TRUE);
- else
- intel->vtbl.meta_color_mask(intel, GL_FALSE);
-
- if (mask & BUFFER_BIT_STENCIL)
- intel->vtbl.meta_stencil_replace(intel,
- intel->ctx.Stencil.WriteMask[0],
- intel->ctx.Stencil.Clear);
- else
- intel->vtbl.meta_no_stencil_write(intel);
-
- if (mask & BUFFER_BIT_DEPTH)
- intel->vtbl.meta_depth_replace(intel);
- else
- intel->vtbl.meta_no_depth_write(intel);
-
- intel->vtbl.meta_draw_quad(intel,
- fb->_Xmin,
- fb->_Xmax,
- fb->_Ymin,
- fb->_Ymax,
- intel->ctx.Depth.Clear,
- intel->ClearColor8888,
- 0, 0, 0, 0); /* texcoords */
-
- mask &= ~(BUFFER_BIT_BACK_LEFT | BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH);
- }
-
- /* clear the remaining (color) renderbuffers */
- for (buf = 0; buf < BUFFER_COUNT && mask; buf++) {
- const GLuint bufBit = 1 << buf;
- if (mask & bufBit) {
- struct intel_renderbuffer *irbColor =
- intel_renderbuffer(fb->Attachment[buf].Renderbuffer);
-
- ASSERT(irbColor);
-
- intel->vtbl.meta_no_depth_write(intel);
- intel->vtbl.meta_no_stencil_write(intel);
- intel->vtbl.meta_color_mask(intel, GL_TRUE);
- intel->vtbl.meta_draw_region(intel, irbColor->region, NULL);
-
- intel->vtbl.meta_draw_quad(intel,
- fb->_Xmin,
- fb->_Xmax,
- fb->_Ymin,
- fb->_Ymax,
- 0, intel->ClearColor8888,
- 0, 0, 0, 0); /* texcoords */
-
- mask &= ~bufBit;
- }
- }
-
- intel->vtbl.leave_meta_state(intel);
-}
-
-static const char *buffer_names[] = {
- [BUFFER_FRONT_LEFT] = "front",
- [BUFFER_BACK_LEFT] = "back",
- [BUFFER_FRONT_RIGHT] = "front right",
- [BUFFER_BACK_RIGHT] = "back right",
- [BUFFER_AUX0] = "aux0",
- [BUFFER_AUX1] = "aux1",
- [BUFFER_AUX2] = "aux2",
- [BUFFER_AUX3] = "aux3",
- [BUFFER_DEPTH] = "depth",
- [BUFFER_STENCIL] = "stencil",
- [BUFFER_ACCUM] = "accum",
- [BUFFER_COLOR0] = "color0",
- [BUFFER_COLOR1] = "color1",
- [BUFFER_COLOR2] = "color2",
- [BUFFER_COLOR3] = "color3",
- [BUFFER_COLOR4] = "color4",
- [BUFFER_COLOR5] = "color5",
- [BUFFER_COLOR6] = "color6",
- [BUFFER_COLOR7] = "color7",
-};
-
-/**
- * Called by ctx->Driver.Clear.
- */
-static void
-intelClear(GLcontext *ctx, GLbitfield mask)
-{
- struct intel_context *intel = intel_context(ctx);
- const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask);
- GLbitfield tri_mask = 0;
- GLbitfield blit_mask = 0;
- GLbitfield swrast_mask = 0;
- struct gl_framebuffer *fb = ctx->DrawBuffer;
- GLuint i;
-
- if (0)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- /* HW color buffers (front, back, aux, generic FBO, etc) */
- if (colorMask == ~0) {
- /* clear all R,G,B,A */
- /* XXX FBO: need to check if colorbuffers are software RBOs! */
- blit_mask |= (mask & BUFFER_BITS_COLOR);
- }
- else {
- /* glColorMask in effect */
- tri_mask |= (mask & BUFFER_BITS_COLOR);
- }
-
- /* HW stencil */
- if (mask & BUFFER_BIT_STENCIL) {
- const struct intel_region *stencilRegion
- = intel_get_rb_region(fb, BUFFER_STENCIL);
- if (stencilRegion) {
- /* have hw stencil */
- if (IS_965(intel->intelScreen->deviceID) ||
- (ctx->Stencil.WriteMask[0] & 0xff) != 0xff) {
- /* We have to use the 3D engine if we're clearing a partial mask
- * of the stencil buffer, or if we're on a 965 which has a tiled
- * depth/stencil buffer in a layout we can't blit to.
- */
- tri_mask |= BUFFER_BIT_STENCIL;
- }
- else {
- /* clearing all stencil bits, use blitting */
- blit_mask |= BUFFER_BIT_STENCIL;
- }
- }
- }
-
- /* HW depth */
- if (mask & BUFFER_BIT_DEPTH) {
- /* clear depth with whatever method is used for stencil (see above) */
- if (IS_965(intel->intelScreen->deviceID) ||
- tri_mask & BUFFER_BIT_STENCIL)
- tri_mask |= BUFFER_BIT_DEPTH;
- else
- blit_mask |= BUFFER_BIT_DEPTH;
- }
-
- /* SW fallback clearing */
- swrast_mask = mask & ~tri_mask & ~blit_mask;
-
- for (i = 0; i < BUFFER_COUNT; i++) {
- GLuint bufBit = 1 << i;
- if ((blit_mask | tri_mask) & bufBit) {
- if (!fb->Attachment[i].Renderbuffer->ClassID) {
- blit_mask &= ~bufBit;
- tri_mask &= ~bufBit;
- swrast_mask |= bufBit;
- }
- }
- }
-
- if (blit_mask) {
- if (INTEL_DEBUG & DEBUG_BLIT) {
- DBG("blit clear:");
- for (i = 0; i < BUFFER_COUNT; i++) {
- if (blit_mask & (1 << i))
- DBG(" %s", buffer_names[i]);
- }
- DBG("\n");
- }
- intelClearWithBlit(ctx, blit_mask);
- }
-
- if (tri_mask) {
- if (INTEL_DEBUG & DEBUG_BLIT) {
- DBG("tri clear:");
- for (i = 0; i < BUFFER_COUNT; i++) {
- if (tri_mask & (1 << i))
- DBG(" %s", buffer_names[i]);
- }
- DBG("\n");
- }
- intelClearWithTris(intel, tri_mask);
- }
-
- if (swrast_mask) {
- if (INTEL_DEBUG & DEBUG_BLIT) {
- DBG("swrast clear:");
- for (i = 0; i < BUFFER_COUNT; i++) {
- if (swrast_mask & (1 << i))
- DBG(" %s", buffer_names[i]);
- }
- DBG("\n");
- }
- _swrast_Clear(ctx, swrast_mask);
- }
-}
-
-
-/* Emit wait for pending flips */
-void
-intel_wait_flips(struct intel_context *intel)
-{
- 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._ColorDrawBufferIndexes[0] ==
- BUFFER_FRONT_LEFT ? BUFFER_FRONT_LEFT :
- BUFFER_BACK_LEFT);
-
- if (intel->intelScreen->driScrnPriv->dri2.enabled)
- return;
-
- if (intel_fb->Base.Name == 0 && intel_rb &&
- intel_rb->pf_pending == intel_fb->pf_seq) {
- GLint pf_planes = intel_fb->pf_planes;
- BATCH_LOCALS;
-
- /* Wait for pending flips to take effect */
- BEGIN_BATCH(2, NO_LOOP_CLIPRECTS);
- OUT_BATCH(pf_planes & 0x1 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP)
- : 0);
- OUT_BATCH(pf_planes & 0x2 ? (MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_B_FLIP)
- : 0);
- ADVANCE_BATCH();
-
- intel_rb->pf_pending--;
- }
-}
-
-
-/* Flip the front & back buffers
- */
-static GLboolean
-intelPageFlip(const __DRIdrawablePrivate * dPriv)
-{
- struct intel_context *intel;
- int ret;
- struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
-
- if (INTEL_DEBUG & DEBUG_IOCTL)
- fprintf(stderr, "%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_planes;
-
- 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_planes & 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;
- }
-
- intel_flip_renderbuffers(intel_fb);
- intel_draw_buffer(&intel->ctx, &intel_fb->Base);
-
- return GL_TRUE;
-}
-
-static GLboolean
-intelScheduleSwap(__DRIdrawablePrivate * dPriv, GLboolean *missed_target)
-{
- struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
- unsigned int interval;
- 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 (!dPriv->vblFlags ||
- (dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) ||
- intelScreen->drmMinor < (intel_fb->pf_active ? 9 : 6))
- return GL_FALSE;
-
- interval = driGetVBlankInterval(dPriv);
-
- swap.seqtype = DRM_VBLANK_ABSOLUTE;
-
- if (dPriv->vblFlags & VBLANK_FLAG_SYNC) {
- swap.seqtype |= DRM_VBLANK_NEXTONMISS;
- } else if (interval == 0)
- return GL_FALSE;
-
- swap.drawable = dPriv->hHWDrawable;
- target = swap.sequence = dPriv->vblSeq + interval;
-
- if ( dPriv->vblFlags & 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_planes & 0x2)) & 0x3) + 1) %
- intel_fb->pf_num_pages;
- }
-
- if (!drmCommandWriteRead(intel->driFd, DRM_I915_VBLANK_SWAP, &swap,
- sizeof(swap))) {
- dPriv->vblSeq = swap.sequence;
- swap.sequence -= target;
- *missed_target = swap.sequence > 0 && swap.sequence <= (1 << 23);
-
- intel_get_renderbuffer(&intel_fb->Base, BUFFER_BACK_LEFT)->vbl_pending =
- intel_get_renderbuffer(&intel_fb->Base,
- BUFFER_FRONT_LEFT)->vbl_pending =
- dPriv->vblSeq;
-
- if (swap.seqtype & DRM_VBLANK_FLIP) {
- intel_flip_renderbuffers(intel_fb);
- intel_draw_buffer(&intel->ctx, intel->ctx.DrawBuffer);
- }
-
- ret = GL_TRUE;
- } else {
- if (swap.seqtype & DRM_VBLANK_FLIP) {
- intel_fb->pf_current_page = ((intel->sarea->pf_current_page >>
- (intel_fb->pf_planes & 0x2)) & 0x3) %
- intel_fb->pf_num_pages;
- }
-
- ret = GL_FALSE;
- }
-
- UNLOCK_HARDWARE(intel);
-
- return ret;
-}
-
-void
-intelSwapBuffers(__DRIdrawablePrivate * dPriv)
-{
- __DRIscreenPrivate *psp = dPriv->driScreenPriv;
-
- 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, &missed_target);
-
- /*
- * Update each buffer's vbl_pending so we don't get too out of
- * sync
- */
- intel_get_renderbuffer(&intel_fb->Base,
- BUFFER_BACK_LEFT)->vbl_pending =
- intel_get_renderbuffer(&intel_fb->Base,
- BUFFER_FRONT_LEFT)->vbl_pending =
- dPriv->vblSeq;
- if (!intelPageFlip(dPriv)) {
- intelCopyBuffer(dPriv, NULL);
- }
- }
-
- intel_fb->swap_count++;
- (*psp->systemTime->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;
- }
- drmCommandNone(intel->driFd, DRM_I915_GEM_THROTTLE);
-
- }
- 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;
- rect.x1 = x + dPriv->x;
- rect.y1 = (dPriv->h - y - h) + dPriv->y;
- rect.x2 = rect.x1 + w;
- rect.y2 = rect.y1 + 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__);
+ *num_cliprects = dPriv->numBackClipRects;
+ *cliprects = dPriv->pBackClipRects;
+ *x_off = dPriv->backX;
+ *y_off = dPriv->backY;
}
}
struct intel_context *intel = intel_context(ctx);
struct intel_region *colorRegions[MAX_DRAW_BUFFERS], *depthRegion = NULL;
struct intel_renderbuffer *irbDepth = NULL, *irbStencil = NULL;
- int front = 0; /* drawing to front color buffer? */
if (!fb) {
/* this can happen during the initial context initialization */
return;
}
- /* Do this here, note core Mesa, since this function is called from
+ /* Do this here, not core Mesa, since this function is called from
* many places within the driver.
*/
if (ctx->NewState & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL)) {
return;
}
- if (fb->Name)
- intel_validate_paired_depth_stencil(ctx, fb);
-
/*
* How many color buffers are we drawing into?
*/
if (fb->_NumColorDrawBuffers == 0) {
/* writing to 0 */
- FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_TRUE);
colorRegions[0] = NULL;
-
- if (fb->Name != 0)
- intelSetRenderbufferClipRects(intel);
- } else if (fb->_NumColorDrawBuffers > 1) {
+ intel->constant_cliprect = GL_TRUE;
+ }
+ else if (fb->_NumColorDrawBuffers > 1) {
int i;
struct intel_renderbuffer *irb;
- FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_FALSE);
- if (fb->Name != 0)
- intelSetRenderbufferClipRects(intel);
for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]);
- colorRegions[i] = (irb && irb->region) ? irb->region : NULL;
+ colorRegions[i] = irb ? irb->region : NULL;
}
+ intel->constant_cliprect = GL_TRUE;
}
else {
- /* draw to exactly one color buffer */
- /*_mesa_debug(ctx, "Hardware rendering\n");*/
- FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_FALSE);
- if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
- front = 1;
- }
-
- /*
- * Get the intel_renderbuffer for the colorbuffer we're drawing into.
- * And set up cliprects.
+ /* Get the intel_renderbuffer for the single colorbuffer we're drawing
+ * into, and set up cliprects if it's .
*/
if (fb->Name == 0) {
+ intel->constant_cliprect = intel->driScreen->dri2.enabled;
/* drawing to window system buffer */
- if (front) {
- intelSetFrontClipRects(intel);
+ if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
+ if (!intel->constant_cliprect && !intel->front_cliprects)
+ intel_batchbuffer_flush(intel->batch);
+ intel->front_cliprects = GL_TRUE;
colorRegions[0] = intel_get_rb_region(fb, BUFFER_FRONT_LEFT);
+
+ intel->front_buffer_dirty = GL_TRUE;
}
else {
- intelSetBackClipRects(intel);
+ if (!intel->constant_cliprect && intel->front_cliprects)
+ intel_batchbuffer_flush(intel->batch);
+ intel->front_cliprects = GL_FALSE;
colorRegions[0]= intel_get_rb_region(fb, BUFFER_BACK_LEFT);
}
}
else {
/* drawing to user-created FBO */
struct intel_renderbuffer *irb;
- intelSetRenderbufferClipRects(intel);
irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]);
colorRegions[0] = (irb && irb->region) ? irb->region : NULL;
+ intel->constant_cliprect = GL_TRUE;
}
}
- /* Update culling direction which changes depending on the
- * orientation of the buffer:
- */
- if (ctx->Driver.FrontFace)
- ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace);
- else
- ctx->NewState |= _NEW_POLYGON;
-
if (!colorRegions[0]) {
FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_TRUE);
}
/***
*** Stencil buffer
*** This can only be hardware accelerated if we're using a
- *** combined DEPTH_STENCIL buffer (for now anyway).
+ *** combined DEPTH_STENCIL buffer.
***/
if (fb->_StencilBuffer && fb->_StencilBuffer->Wrapped) {
irbStencil = intel_renderbuffer(fb->_StencilBuffer->Wrapped);
if (irbStencil && irbStencil->region) {
ASSERT(irbStencil->Base._ActualFormat == GL_DEPTH24_STENCIL8_EXT);
FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, GL_FALSE);
- /* need to re-compute stencil hw state */
- if (ctx->Driver.Enable != NULL)
- ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled);
- else
- ctx->NewState |= _NEW_STENCIL;
- if (!depthRegion)
- depthRegion = irbStencil->region;
}
else {
FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, GL_TRUE);
}
}
else {
- /* XXX FBO: instead of FALSE, pass ctx->Stencil.Enabled ??? */
+ /* XXX FBO: instead of FALSE, pass ctx->Stencil._Enabled ??? */
FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, GL_FALSE);
- /* need to re-compute stencil hw state */
- if (ctx->Driver.Enable != NULL)
- ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled);
- else
- ctx->NewState |= _NEW_STENCIL;
}
/*
- * Update depth test state
+ * Update depth and stencil test state
*/
if (ctx->Driver.Enable) {
- if (ctx->Depth.Test && fb->Visual.depthBits > 0) {
- ctx->Driver.Enable(ctx, GL_DEPTH_TEST, GL_TRUE);
- } else {
- ctx->Driver.Enable(ctx, GL_DEPTH_TEST, GL_FALSE);
- }
- } else {
- ctx->NewState |= _NEW_DEPTH;
+ ctx->Driver.Enable(ctx, GL_DEPTH_TEST,
+ (ctx->Depth.Test && fb->Visual.depthBits > 0));
+ ctx->Driver.Enable(ctx, GL_STENCIL_TEST,
+ (ctx->Stencil._Enabled && fb->Visual.stencilBits > 0));
+ }
+ else {
+ /* Mesa's Stencil._Enabled field is updated when
+ * _NEW_BUFFERS | _NEW_STENCIL, but i965 code assumes that the value
+ * only changes with _NEW_STENCIL (which seems sensible). So flag it
+ * here since this is the _NEW_BUFFERS path.
+ */
+ ctx->NewState |= (_NEW_DEPTH | _NEW_STENCIL);
}
intel->vtbl.set_draw_region(intel, colorRegions, depthRegion,
- fb->_NumColorDrawBuffers);
+ fb->_NumColorDrawBuffers);
/* update viewport since it depends on window size */
- if (ctx->Driver.Viewport) {
- ctx->Driver.Viewport(ctx, ctx->Viewport.X, ctx->Viewport.Y,
- ctx->Viewport.Width, ctx->Viewport.Height);
- } else {
- ctx->NewState |= _NEW_VIEWPORT;
- }
-
+#ifdef I915
+ intelCalcViewport(ctx);
+#else
+ ctx->NewState |= _NEW_VIEWPORT;
+#endif
/* Set state we know depends on drawable parameters:
*/
if (ctx->Driver.Scissor)
ctx->Driver.DepthRange(ctx,
ctx->Viewport.Near,
ctx->Viewport.Far);
+
+ /* Update culling direction which changes depending on the
+ * orientation of the buffer:
+ */
+ if (ctx->Driver.FrontFace)
+ ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace);
+ else
+ ctx->NewState |= _NEW_POLYGON;
}
static void
intelDrawBuffer(GLcontext * ctx, GLenum mode)
{
+ if ((ctx->DrawBuffer != NULL) && (ctx->DrawBuffer->Name == 0)) {
+ struct intel_context *const intel = intel_context(ctx);
+ const GLboolean was_front_buffer_rendering =
+ intel->is_front_buffer_rendering;
+
+ intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT)
+ || (mode == GL_FRONT);
+
+ /* If we weren't front-buffer rendering before but we are now, make sure
+ * that the front-buffer has actually been allocated.
+ */
+ if (!was_front_buffer_rendering && intel->is_front_buffer_rendering) {
+ intel_update_renderbuffers(intel->driContext,
+ intel->driContext->driDrawablePriv);
+ }
+ }
+
intel_draw_buffer(ctx, ctx->DrawBuffer);
}
void
intelInitBufferFuncs(struct dd_function_table *functions)
{
- functions->Clear = intelClear;
functions->DrawBuffer = intelDrawBuffer;
functions->ReadBuffer = intelReadBuffer;
}
projects / mesa.git / blobdiff