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authorJerome Glisse <[email protected]>2010-08-20 17:57:38 +0200
committerJerome Glisse <[email protected]>2010-08-20 18:54:26 +0200
commit921c987c6f43b4d63a98b61013d43bac97baff21 (patch)
tree9cfa490978f422c17fb39ec8bb6cebdd0a31f4ee /src/gallium/drivers/r600/r600_state.c
parenta43a2f0662c4aa33b50882411181252198819942 (diff)
r600g: cleanup definition, fix segfault when no valid pixel shader
Signed-off-by: Jerome Glisse <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/r600_state.c')
-rw-r--r--src/gallium/drivers/r600/r600_state.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 3943ebacb36..93fc68e42ef 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -980,15 +980,19 @@ static struct radeon_state *r600_dsa(struct r600_context *rctx)
struct r600_screen *rscreen = rctx->screen;
unsigned db_depth_control, alpha_test_control, alpha_ref, db_shader_control;
unsigned stencil_ref_mask, stencil_ref_mask_bf;
- struct r600_shader *rshader = &rctx->ps_shader->shader;
+ struct r600_shader *rshader;
struct radeon_state *rstate;
int i;
+ if (rctx->ps_shader == NULL) {
+ return NULL;
+ }
rstate = radeon_state(rscreen->rw, R600_DSA_TYPE, R600_DSA);
if (rstate == NULL)
return NULL;
db_shader_control = 0x210;
+ rshader = &rctx->ps_shader->shader;
for (i = 0; i < rshader->noutput; i++) {
if (rshader->output[i].name == TGSI_SEMANTIC_POSITION)
db_shader_control |= 1;