First, FBO read/draw == NULL validation happens in mesa core not
intelReadBuffers -> intel_draw_buffers. Second, that condition is no
longer tested for in our driver since ARB_ES2_compatibility was added.
---
src/mesa/drivers/dri/intel/intel_buffers.c | 12 ------------
1 files changed, 0 insertions(+), 12 deletions(-)
diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c
b/src/mesa/drivers/dri/intel/intel_buffers.c
index a0fa091..7eb50ed 100644
--- a/src/mesa/drivers/dri/intel/intel_buffers.c
+++ b/src/mesa/drivers/dri/intel/intel_buffers.c
@@ -308,18 +308,6 @@ intelReadBuffer(struct gl_context * ctx, GLenum mode)
if (!was_front_buffer_reading && intel->is_front_buffer_reading)
dri2InvalidateDrawable(intel->driContext->driReadablePriv);
}
-
- if (ctx->ReadBuffer == ctx->DrawBuffer) {
- /* This will update FBO completeness status.
- * A framebuffer will be incomplete if the GL_READ_BUFFER setting
- * refers to a missing renderbuffer. Calling glReadBuffer can set
- * that straight and can make the drawing buffer complete.
- */
- intel_draw_buffer(ctx, ctx->DrawBuffer);
- }
- /* Generally, functions which read pixels (glReadPixels, glCopyPixels, etc)
- * reference ctx->ReadBuffer and do appropriate state checks.
- */
}
--
1.7.5.1
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