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-rw-r--r--src/mesa/drivers/dri/i965/brw_vtbl.c62
1 files changed, 2 insertions, 60 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vtbl.c b/src/mesa/drivers/dri/i965/brw_vtbl.c
index 5f67239faeb..831c3e09e95 100644
--- a/src/mesa/drivers/dri/i965/brw_vtbl.c
+++ b/src/mesa/drivers/dri/i965/brw_vtbl.c
@@ -94,7 +94,6 @@ brw_update_draw_buffer(struct intel_context *intel)
{
struct gl_context *ctx = &intel->ctx;
struct gl_framebuffer *fb = ctx->DrawBuffer;
- struct intel_region *colorRegions[MAX_DRAW_BUFFERS], *depthRegion = NULL;
struct intel_renderbuffer *irbDepth = NULL, *irbStencil = NULL;
bool fb_has_hiz = intel_framebuffer_has_hiz(fb);
@@ -143,58 +142,9 @@ brw_update_draw_buffer(struct intel_context *intel)
return;
}
- /* How many color buffers are we drawing into?
- *
- * If there are zero buffers or the buffer is too big, don't configure any
- * regions for hardware drawing. We'll fallback to software below. Not
- * having regions set makes some of the software fallback paths faster.
+ /* Check some stencil invariants. These should probably be in
+ * emit_depthbuffer().
*/
- if ((fb->Width > ctx->Const.MaxRenderbufferSize)
- || (fb->Height > ctx->Const.MaxRenderbufferSize)
- || (fb->_NumColorDrawBuffers == 0)) {
- /* writing to 0 */
- colorRegions[0] = NULL;
- }
- else if (fb->_NumColorDrawBuffers > 1) {
- int i;
- struct intel_renderbuffer *irb;
-
- for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
- irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]);
- colorRegions[i] = irb ? irb->region : NULL;
- }
- }
- else {
- /* Get the intel_renderbuffer for the single colorbuffer we're drawing
- * into.
- */
- if (fb->Name == 0) {
- /* drawing to window system buffer */
- if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT)
- colorRegions[0] = intel_get_rb_region(fb, BUFFER_FRONT_LEFT);
- else
- colorRegions[0] = intel_get_rb_region(fb, BUFFER_BACK_LEFT);
- }
- else {
- /* drawing to user-created FBO */
- struct intel_renderbuffer *irb;
- irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]);
- colorRegions[0] = (irb && irb->region) ? irb->region : NULL;
- }
- }
-
- /* Check for depth fallback. */
- if (irbDepth && irbDepth->region) {
- assert(!fb_has_hiz || irbDepth->Base.Format != MESA_FORMAT_S8_Z24);
- depthRegion = irbDepth->region;
- } else if (irbDepth && !irbDepth->region) {
- depthRegion = NULL;
- } else { /* !irbDepth */
- /* No fallback is needed because there is no depth buffer. */
- depthRegion = NULL;
- }
-
- /* Check for stencil fallback. */
if (irbStencil && irbStencil->region) {
if (!intel->has_separate_stencil)
assert(irbStencil->Base.Format == MESA_FORMAT_S8_Z24);
@@ -204,14 +154,6 @@ brw_update_draw_buffer(struct intel_context *intel)
assert(intel->has_separate_stencil);
}
- /* If we have a (packed) stencil buffer attached but no depth buffer,
- * we still need to set up the shared depth/stencil state so we can use it.
- */
- if (depthRegion == NULL && irbStencil && irbStencil->region
- && irbStencil->Base.Format == MESA_FORMAT_S8_Z24) {
- depthRegion = irbStencil->region;
- }
-
/*
* Update depth and stencil test state
*/