When the client program uses glDrawBuffer() or glDrawBuffers() to
select more than one color buffer for drawing into, and then performs
a blit, we need to blit into every single enabled draw buffer.
+2 oglconforms.
---
src/mesa/drivers/dri/i965/brw_blorp_blit.cpp | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
index 7194fa2..9481422 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
+++ b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
@@ -232,13 +232,16 @@ try_blorp_blit(struct intel_context *intel,
switch (buffer_bit) {
case GL_COLOR_BUFFER_BIT:
src_rb = read_fb->_ColorReadBuffer;
- dst_rb =
- draw_fb->Attachment[
- draw_fb->_ColorDrawBufferIndexes[0]].Renderbuffer;
- if (!formats_match(buffer_bit, src_rb, dst_rb))
- return false;
- do_blorp_blit(intel, buffer_bit, src_rb, dst_rb, srcX0, srcY0,
- dstX0, dstY0, dstX1, dstY1, mirror_x, mirror_y);
+ for (unsigned i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; ++i) {
+ dst_rb = ctx->DrawBuffer->_ColorDrawBuffers[i];
+ if (dst_rb && !formats_match(buffer_bit, src_rb, dst_rb))
+ return false;
+ }
+ for (unsigned i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; ++i) {
+ dst_rb = ctx->DrawBuffer->_ColorDrawBuffers[i];
+ do_blorp_blit(intel, buffer_bit, src_rb, dst_rb, srcX0, srcY0,
+ dstX0, dstY0, dstX1, dstY1, mirror_x, mirror_y);
+ }
break;
case GL_DEPTH_BUFFER_BIT:
src_rb = read_fb->Attachment[BUFFER_DEPTH].Renderbuffer;
--
1.7.7.6
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