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authorJerome Glisse <[email protected]>2010-08-11 14:26:07 -0400
committerJerome Glisse <[email protected]>2010-08-11 14:26:07 -0400
commit481b65abaedb271d0da24c75b8c60f7bcf6d8ce9 (patch)
treef971d82636747472e9806976687faf2a308d6f02
parent1bb0427a856ffa3fea1b177ea5b0395a00de3833 (diff)
r600g: accept empty frag prog shader
Signed-off-by: Jerome Glisse <[email protected]>
-rw-r--r--src/gallium/drivers/r600/r600_asm.c3
-rw-r--r--src/gallium/drivers/r600/r600_shader.c15
-rw-r--r--src/gallium/drivers/r600/r600_state.c2
3 files changed, 17 insertions, 3 deletions
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index ae818bf19b7..9ea9d4354d6 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -167,8 +167,7 @@ int r600_bc_add_literal(struct r600_bc *bc, const u32 *value)
struct r600_bc_alu *alu;
if (bc->cf_last == NULL) {
- R600_ERR("no last CF\n");
- return -EINVAL;
+ return 0;
}
if (bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_TEX) {
return 0;
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index cbeb69221cc..956c7e7930c 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -494,6 +494,21 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
noutput++;
}
}
+ /* add fake pixel export */
+ if (ctx.type == TGSI_PROCESSOR_FRAGMENT && !noutput) {
+ memset(&output[0], 0, sizeof(struct r600_bc_output));
+ output[0].gpr = 0;
+ output[0].elem_size = 3;
+ output[0].swizzle_x = 7;
+ output[0].swizzle_y = 7;
+ output[0].swizzle_z = 7;
+ output[0].swizzle_w = 7;
+ output[0].barrier = 1;
+ output[0].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_PARAM;
+ output[0].array_base = 0;
+ output[0].inst = V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT;
+ noutput++;
+ }
/* set export done on last export of each type */
for (i = noutput - 1, output_done = 0; i >= 0; i--) {
if (i == (noutput - 1)) {
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index a50b75cc795..ed2d9f99842 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -727,7 +727,7 @@ static struct radeon_state *r600_db(struct r600_context *rctx)
struct r600_resource *rbuffer;
struct radeon_state *rstate;
const struct pipe_framebuffer_state *state = &rctx->framebuffer->state.framebuffer;
- unsigned level = state->cbufs[0]->level;
+ unsigned level;
unsigned pitch, slice, format;
if (state->zsbuf == NULL)