diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs_exec.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_exec.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_exec.c b/src/gallium/auxiliary/draw/draw_vs_exec.c index c41d7c4..d9c4209a 100644 --- a/src/gallium/auxiliary/draw/draw_vs_exec.c +++ b/src/gallium/auxiliary/draw/draw_vs_exec.c @@ -95,6 +95,7 @@ vs_exec_run_linear( struct draw_vertex_shader *shader, struct tgsi_exec_machine *machine = evs->machine; unsigned int i, j; unsigned slot; + boolean clamp_vertex_color = shader->draw->rasterizer->clamp_vertex_color; tgsi_exec_set_constant_buffers(machine, PIPE_MAX_CONSTANT_BUFFERS, constants, const_size); @@ -151,11 +152,22 @@ vs_exec_run_linear( struct draw_vertex_shader *shader, */ for (j = 0; j < max_vertices; j++) { for (slot = 0; slot < shader->info.num_outputs; slot++) { - output[slot][0] = machine->Outputs[slot].xyzw[0].f[j]; - output[slot][1] = machine->Outputs[slot].xyzw[1].f[j]; - output[slot][2] = machine->Outputs[slot].xyzw[2].f[j]; - output[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; - + unsigned name = shader->info.output_semantic_name[slot]; + if(clamp_vertex_color && + (name == TGSI_SEMANTIC_COLOR || name == TGSI_SEMANTIC_BCOLOR)) + { + output[slot][0] = CLAMP(machine->Outputs[slot].xyzw[0].f[j], 0.0f, 1.0f); + output[slot][1] = CLAMP(machine->Outputs[slot].xyzw[1].f[j], 0.0f, 1.0f); + output[slot][2] = CLAMP(machine->Outputs[slot].xyzw[2].f[j], 0.0f, 1.0f); + output[slot][3] = CLAMP(machine->Outputs[slot].xyzw[3].f[j], 0.0f, 1.0f); + } + else + { + output[slot][0] = machine->Outputs[slot].xyzw[0].f[j]; + output[slot][1] = machine->Outputs[slot].xyzw[1].f[j]; + output[slot][2] = machine->Outputs[slot].xyzw[2].f[j]; + output[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; + } } #if 0 |