diff options
| author | Vadim Girlin <[email protected]> | 2013-08-25 18:52:17 +0400 |
|---|---|---|
| committer | Vadim Girlin <[email protected]> | 2013-08-30 15:51:11 +0400 |
| commit | 29ff2e907d6c54f95be6dfa72201fd25bbd50fcd (patch) | |
| tree | 80d5e3ed208928b65cd80edb198a4e69287bd710 /src/gallium/drivers/r600/r600_shader.c | |
| parent | 74be77a99e1196d07ebd941aee24313f7aa123c9 (diff) | |
r600g: fix color exports when we have no CBs
We need to export at least one color if the shader writes it,
even when nr_cbufs==0.
Signed-off-by: Vadim Girlin <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 300b5c466e4..f7eab761bb0 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -918,6 +918,7 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen, unsigned opcode; int i, j, k, r = 0; int next_pos_base = 60, next_param_base = 0; + int max_color_exports = MAX2(key.nr_cbufs, 1); /* Declarations used by llvm code */ bool use_llvm = false; bool indirect_gprs; @@ -1130,7 +1131,7 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen, radeon_llvm_ctx.face_gpr = ctx.face_gpr; radeon_llvm_ctx.r600_inputs = ctx.shader->input; radeon_llvm_ctx.r600_outputs = ctx.shader->output; - radeon_llvm_ctx.color_buffer_count = MAX2(key.nr_cbufs , 1); + radeon_llvm_ctx.color_buffer_count = max_color_exports; radeon_llvm_ctx.chip_class = ctx.bc->chip_class; radeon_llvm_ctx.fs_color_all = shader->fs_write_all && (rscreen->chip_class >= EVERGREEN); radeon_llvm_ctx.stream_outputs = &so; @@ -1440,7 +1441,7 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen, case TGSI_PROCESSOR_FRAGMENT: if (shader->output[i].name == TGSI_SEMANTIC_COLOR) { /* never export more colors than the number of CBs */ - if (shader->output[i].sid >= key.nr_cbufs) { + if (shader->output[i].sid >= max_color_exports) { /* skip export */ j--; continue; @@ -1450,7 +1451,7 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen, output[j].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_PIXEL; shader->nr_ps_color_exports++; if (shader->fs_write_all && (rscreen->chip_class >= EVERGREEN)) { - for (k = 1; k < key.nr_cbufs; k++) { + for (k = 1; k < max_color_exports; k++) { j++; memset(&output[j], 0, sizeof(struct r600_bytecode_output)); output[j].gpr = shader->output[i].gpr; |