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authorDave Airlie <[email protected]>2009-07-14 01:22:17 +1000
committerDave Airlie <[email protected]>2009-07-14 01:23:24 +1000
commitbb4c70358778f28f644ae493b5d8163e76e9fddb (patch)
tree84e7e1da4cc8cd44478451b10382f8f289263866 /src/mesa/drivers/dri/radeon/radeon_common.c
parent504d01b275169f019d375b4a8b5e935b9fd108d3 (diff)
radeon: port more front fixes from intel.
Port fixes to read buffer from front.
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_common.c')
-rw-r--r--src/mesa/drivers/dri/radeon/radeon_common.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c b/src/mesa/drivers/dri/radeon/radeon_common.c
index 3b8541a74a4..08535180b8c 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -823,6 +823,17 @@ void radeonDrawBuffer( GLcontext *ctx, GLenum mode )
void radeonReadBuffer( GLcontext *ctx, GLenum mode )
{
+ if ((ctx->DrawBuffer != NULL) && (ctx->DrawBuffer->Name == 0)) {
+ struct radeon_context *const rmesa = RADEON_CONTEXT(ctx);
+ const GLboolean was_front_buffer_reading = rmesa->is_front_buffer_reading;
+ rmesa->is_front_buffer_reading = (mode == GL_FRONT_LEFT)
+ || (mode == GL_FRONT);
+
+ if (!was_front_buffer_reading && rmesa->is_front_buffer_reading) {
+ radeon_update_renderbuffers(rmesa->dri.context,
+ rmesa->dri.context->driReadablePriv);
+ }
+ }
/* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
if (ctx->ReadBuffer == ctx->DrawBuffer) {
/* This will update FBO completeness status.