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intel: Mark frontbuffer dirty in intel_prepare_render()

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Now that we have intel_prepare_render() in place, we can use it to mark
the front buffer dirty if we're rendering to the front buffer once we
get there.
This commit is contained in:
Kristian Høgsberg
2010-05-10 15:58:06 -04:00
parent 2d00d16da7
commit 32942d2b1c
1 changed files with 8 additions and 9 deletions
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17
src/mesa/drivers/dri/intel/intel_context.c
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@@ -403,6 +403,13 @@ intel_prepare_render(struct intel_context *intel)
intel_update_renderbuffers(driContext, drawable);
driContext->dri2.read_stamp = drawable->dri2.stamp;
}
/* If we're currently rendering to the front buffer, the rendering
* that will happen next will probably dirty the front buffer. So
* mark it as dirty here.
*/
if (intel->is_front_buffer_rendering)
intel->front_buffer_dirty = GL_TRUE;
}
void
@@ -494,15 +501,7 @@ intel_flush(GLcontext *ctx, GLboolean needs_mi_flush)
(*screen->dri2.loader->flushFrontBuffer)(driContext->driDrawablePriv,
driContext->driDrawablePriv->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 (!intel->is_front_buffer_rendering) {
intel->front_buffer_dirty = GL_FALSE;
}
intel->front_buffer_dirty = GL_FALSE;
}
}
}