diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_common.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_common.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c b/src/mesa/drivers/dri/radeon/radeon_common.c index daf03a9856..decea4518e 100644 --- a/src/mesa/drivers/dri/radeon/radeon_common.c +++ b/src/mesa/drivers/dri/radeon/radeon_common.c @@ -678,6 +678,7 @@ void radeon_draw_buffer(GLcontext *ctx, struct gl_framebuffer *fb) if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) { rrbColor = radeon_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); radeon->front_cliprects = GL_TRUE; + radeon->front_buffer_dirty = GL_TRUE; } else { rrbColor = radeon_renderbuffer(fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer); radeon->front_cliprects = GL_FALSE; @@ -793,6 +794,24 @@ void radeonDrawBuffer( GLcontext *ctx, GLenum mode ) if (RADEON_DEBUG & DEBUG_DRI) fprintf(stderr, "%s %s\n", __FUNCTION__, _mesa_lookup_enum_by_nr( mode )); + + if (ctx->DrawBuffer->Name == 0) { + radeonContextPtr radeon = RADEON_CONTEXT(ctx); + + const GLboolean was_front_buffer_rendering = + radeon->is_front_buffer_rendering; + + radeon->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 && radeon->is_front_buffer_rendering) { + radeon_update_renderbuffers(radeon->dri.context, + radeon->dri.context->driDrawablePriv); + } + } radeon_draw_buffer(ctx, ctx->DrawBuffer); } @@ -1046,6 +1065,26 @@ void radeonFlush(GLcontext *ctx) if (radeon->cmdbuf.cs->cdw) rcommonFlushCmdBuf(radeon, __FUNCTION__); + + if ((ctx->DrawBuffer->Name == 0) && radeon->front_buffer_dirty) { + __DRIscreen *const screen = radeon->radeonScreen->driScreen; + + if (screen->dri2.loader && (screen->dri2.loader->base.version >= 2) + && (screen->dri2.loader->flushFrontBuffer != NULL)) { + (*screen->dri2.loader->flushFrontBuffer)(radeon->dri.drawable, + radeon->dri.drawable->loaderPrivate); + + /* Only clear the dirty bit if front-buffer rendering is no longer + * enabled. This is done so that the dirty bit can only be set in + * glDrawBuffer. Otherwise the dirty bit would have to be set at + * each of N places that do rendering. This has worse performances, + * but it is much easier to get correct. + */ + if (radeon->is_front_buffer_rendering) { + radeon->front_buffer_dirty = GL_FALSE; + } + } + } } /* Make sure all commands have been sent to the hardware and have |