From: Nicolai Hähnle <nicolai.haeh...@amd.com>

---
 src/gallium/drivers/radeonsi/si_shader.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader.c 
b/src/gallium/drivers/radeonsi/si_shader.c
index 91f2ea3..af93ca1 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -7344,29 +7344,33 @@ int si_shader_create(struct si_screen *sscreen, 
LLVMTargetMachineRef tm,
         * workaround must be applied.
         */
        if (shader->is_monolithic) {
                /* Monolithic shader (compiled as a whole, has many variants,
                 * may take a long time to compile).
                 */
                r = si_compile_tgsi_shader(sscreen, tm, shader, true, debug);
                if (r)
                        return r;
        } else {
-               /* The shader consists of 2-3 parts:
+               /* The shader consists of several parts:
                 *
                 * - the middle part is the user shader, it has 1 variant only
                 *   and it was compiled during the creation of the shader
                 *   selector
                 * - the prolog part is inserted at the beginning
                 * - the epilog part is inserted at the end
                 *
                 * The prolog and epilog have many (but simple) variants.
+                *
+                * Starting with gfx9, geometry and tessellation control
+                * shaders also contain the prolog and user shader parts of
+                * the previous shader stage.
                 */
 
                /* Copy the compiled TGSI shader data over. */
                shader->is_binary_shared = true;
                shader->binary = mainp->binary;
                shader->config = mainp->config;
                shader->info.num_input_sgprs = mainp->info.num_input_sgprs;
                shader->info.num_input_vgprs = mainp->info.num_input_vgprs;
                shader->info.face_vgpr_index = mainp->info.face_vgpr_index;
                memcpy(shader->info.vs_output_param_offset,
-- 
2.9.3

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