From: Dave Airlie <[email protected]>
r0 in input into vertex shaders contains things like vertexid,
we need to reserve it even if we have no inputs.
This fixes a bunch of tessellation piglits.
---
src/gallium/drivers/r600/r600_shader.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_shader.c
b/src/gallium/drivers/r600/r600_shader.c
index af866c4..c6e4457 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -3051,9 +3051,11 @@ static int r600_shader_from_tgsi(struct r600_context
*rctx,
ctx.file_offset[i] = 0;
}
- if (ctx.type == PIPE_SHADER_VERTEX && ctx.info.num_inputs) {
+ if (ctx.type == PIPE_SHADER_VERTEX) {
+
ctx.file_offset[TGSI_FILE_INPUT] = 1;
- r600_bytecode_add_cfinst(ctx.bc, CF_OP_CALL_FS);
+ if (ctx.info.num_inputs)
+ r600_bytecode_add_cfinst(ctx.bc, CF_OP_CALL_FS);
}
if (ctx.type == PIPE_SHADER_FRAGMENT) {
if (ctx.bc->chip_class >= EVERGREEN)
--
2.9.5
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