From: Dave Airlie <[email protected]>

This function is going to get a lot messier with tessellation
so I'm going to use some macros to try and clean some bits
of common code up.

Signed-off-by: Dave Airlie <[email protected]>
---
 src/gallium/drivers/r600/r600_state_common.c | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_state_common.c 
b/src/gallium/drivers/r600/r600_state_common.c
index b544abb..b6d739d 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1288,6 +1288,11 @@ static void r600_update_clip_state(struct r600_context 
*rctx,
                                r600_mark_atom_dirty(rctx, 
&rctx->clip_misc_state.atom);
        }
 }
+#define SELECT_SHADER_OR_FAIL(x) do {                                  \
+               r600_shader_select(ctx, rctx->x##_shader, &x##_dirty);  \
+               if (unlikely(!rctx->x##_shader))                        \
+                       return false;                                   \
+       } while(0)
 
 static bool r600_update_derived_state(struct r600_context *rctx)
 {
@@ -1310,16 +1315,12 @@ static bool r600_update_derived_state(struct 
r600_context *rctx)
                }
        }
 
-       r600_shader_select(ctx, rctx->ps_shader, &ps_dirty);
-       if (unlikely(!rctx->ps_shader->current))
-               return false;
+       SELECT_SHADER_OR_FAIL(ps);
 
        update_gs_block_state(rctx, rctx->gs_shader != NULL);
 
        if (rctx->gs_shader) {
-               r600_shader_select(ctx, rctx->gs_shader, &gs_dirty);
-               if (unlikely(!rctx->gs_shader->current))
-                       return false;
+               SELECT_SHADER_OR_FAIL(gs);
 
                if (!rctx->shader_stages.geom_enable) {
                        rctx->shader_stages.geom_enable = true;
@@ -1335,9 +1336,7 @@ static bool r600_update_derived_state(struct r600_context 
*rctx)
                        rctx->b.streamout.enabled_stream_buffers_mask = 
rctx->gs_shader->current->gs_copy_shader->enabled_stream_buffers_mask;
                }
 
-               r600_shader_select(ctx, rctx->vs_shader, &vs_dirty);
-               if (unlikely(!rctx->vs_shader->current))
-                       return false;
+               SELECT_SHADER_OR_FAIL(vs);
 
                /* vs_shader is used as ES */
                if (unlikely(vs_dirty || 
rctx->hw_shader_stages[R600_HW_STAGE_ES].shader != rctx->vs_shader->current)) {
@@ -1351,9 +1350,7 @@ static bool r600_update_derived_state(struct r600_context 
*rctx)
                        r600_mark_atom_dirty(rctx, &rctx->shader_stages.atom);
                }
 
-               r600_shader_select(ctx, rctx->vs_shader, &vs_dirty);
-               if (unlikely(!rctx->vs_shader->current))
-                       return false;
+               SELECT_SHADER_OR_FAIL(vs);
 
                if (unlikely(vs_dirty || 
rctx->hw_shader_stages[R600_HW_STAGE_VS].shader != rctx->vs_shader->current)) {
                        update_shader_atom(ctx, 
&rctx->hw_shader_stages[R600_HW_STAGE_VS], rctx->vs_shader->current);
-- 
2.5.0

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