[Mesa-dev] [PATCH 09/21] r600/shader: add compute support to shader assembler

[Dave Airlie]

From: Dave Airlie <airl...@redhat.com>

---
 src/gallium/drivers/r600/r600_shader.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/gallium/drivers/r600/r600_shader.c 
b/src/gallium/drivers/r600/r600_shader.c
index 83b70b0..b3c29b9 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -190,6 +190,7 @@ int r600_pipe_shader_create(struct pipe_context *ctx,
        }
        use_sb &= (shader->shader.processor_type != PIPE_SHADER_TESS_CTRL);
        use_sb &= (shader->shader.processor_type != PIPE_SHADER_TESS_EVAL);
+       use_sb &= (shader->shader.processor_type != PIPE_SHADER_COMPUTE);
 
        /* disable SB for shaders using doubles */
        use_sb &= !shader->shader.uses_doubles;
@@ -279,6 +280,9 @@ int r600_pipe_shader_create(struct pipe_context *ctx,
                        r600_update_ps_state(ctx, shader);
                }
                break;
+       case PIPE_SHADER_COMPUTE:
+               evergreen_update_ls_state(ctx, shader);
+               break;
        default:
                r = -EINVAL;
                goto error;
@@ -1361,6 +1365,10 @@ static void tgsi_src(struct r600_shader_ctx *ctx,
                        r600_src->swizzle[2] = 0;
                        r600_src->swizzle[3] = 0;
                        r600_src->sel = 0;
+               } else if 
(ctx->info.system_value_semantic_name[tgsi_src->Register.Index] == 
TGSI_SEMANTIC_THREAD_ID) {
+                       r600_src->sel = 0;
+               } else if 
(ctx->info.system_value_semantic_name[tgsi_src->Register.Index] == 
TGSI_SEMANTIC_BLOCK_ID) {
+                       r600_src->sel = 1;
                } else if (ctx->type != PIPE_SHADER_TESS_CTRL && 
ctx->info.system_value_semantic_name[tgsi_src->Register.Index] == 
TGSI_SEMANTIC_INVOCATIONID) {
                        r600_src->swizzle[0] = 3;
                        r600_src->swizzle[1] = 3;
@@ -3109,6 +3117,10 @@ static int r600_shader_from_tgsi(struct r600_context 
*rctx,
                shader->rat_base = key.ps.nr_cbufs;
                shader->image_size_const_offset = 
key.ps.image_size_const_offset;
                break;
+       case PIPE_SHADER_COMPUTE:
+               shader->rat_base = 0;
+               shader->image_size_const_offset = 0;
+               break;
        default:
                break;
        }
@@ -3193,6 +3205,8 @@ static int r600_shader_from_tgsi(struct r600_context 
*rctx,
                if (add_tess_inout)
                        ctx.file_offset[TGSI_FILE_INPUT]+=2;
        }
+       if (ctx.type == PIPE_SHADER_COMPUTE)
+               ctx.file_offset[TGSI_FILE_INPUT] = 2;
 
        ctx.file_offset[TGSI_FILE_OUTPUT] =
                        ctx.file_offset[TGSI_FILE_INPUT] +
-- 
2.9.5

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