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path: root/src/mesa/drivers/dri/intel/intel_buffers.c
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Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_buffers.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_buffers.c173
1 files changed, 41 insertions, 132 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c b/src/mesa/drivers/dri/intel/intel_buffers.c
index f5eaf765f3..f8f009c6a3 100644
--- a/src/mesa/drivers/dri/intel/intel_buffers.c
+++ b/src/mesa/drivers/dri/intel/intel_buffers.c
@@ -123,99 +123,40 @@ intel_readbuf_region(struct intel_context *intel)
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;
+ struct intel_framebuffer *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 ||
+ intel_fb->pf_active || 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;
+ *num_cliprects = dPriv->numBackClipRects;
+ *cliprects = dPriv->pBackClipRects;
+ *x_off = dPriv->backX;
+ *y_off = dPriv->backY;
}
}
@@ -300,29 +241,6 @@ intelWindowMoved(struct intel_context *intel)
__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;
@@ -894,7 +812,6 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb)
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 */
@@ -927,52 +844,44 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb)
*/
if (fb->_NumColorDrawBuffers == 0) {
/* writing to 0 */
- FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, GL_TRUE);
colorRegions[0] = NULL;
-
- if (fb->Name != 0)
- intelSetRenderbufferClipRects(intel);
+ 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);
}
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;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 16:48:11 +0000