Module: Mesa
Branch: master
Commit: 52ff1edc5161dd7090fa55a11969c79dd4baad7d
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=52ff1edc5161dd7090fa55a11969c79dd4baad7d

Author: Marek Olšák <[email protected]>
Date:   Sat Feb 28 17:16:57 2015 +0100

radeonsi: simplify accessing alpha pointer in si_llvm_emit_fs_epilogue

Reviewed-by: Michel Dänzer <[email protected]>

---

 src/gallium/drivers/radeonsi/si_shader.c |   15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader.c 
b/src/gallium/drivers/radeonsi/si_shader.c
index e70a318..a57fdf4 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -794,7 +794,7 @@ static void si_llvm_init_export_args_load(struct 
lp_build_tgsi_context *bld_base
 }
 
 static void si_alpha_test(struct lp_build_tgsi_context *bld_base,
-                         LLVMValueRef *out_ptr)
+                         LLVMValueRef alpha_ptr)
 {
        struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
        struct gallivm_state *gallivm = bld_base->base.gallivm;
@@ -806,7 +806,7 @@ static void si_alpha_test(struct lp_build_tgsi_context 
*bld_base,
                LLVMValueRef alpha_pass =
                        lp_build_cmp(&bld_base->base,
                                     si_shader_ctx->shader->key.ps.alpha_func,
-                                    LLVMBuildLoad(gallivm->builder, 
out_ptr[3], ""),
+                                    LLVMBuildLoad(gallivm->builder, alpha_ptr, 
""),
                                     alpha_ref);
                LLVMValueRef arg =
                        lp_build_select(&bld_base->base,
@@ -1337,6 +1337,7 @@ static void si_llvm_emit_fs_epilogue(struct 
lp_build_tgsi_context * bld_base)
                unsigned semantic_name = info->output_semantic_name[i];
                unsigned semantic_index = info->output_semantic_index[i];
                unsigned target;
+               LLVMValueRef alpha_ptr;
 
                /* Select the correct target */
                switch (semantic_name) {
@@ -1351,15 +1352,15 @@ static void si_llvm_emit_fs_epilogue(struct 
lp_build_tgsi_context * bld_base)
                        continue;
                case TGSI_SEMANTIC_COLOR:
                        target = V_008DFC_SQ_EXP_MRT + semantic_index;
+                       alpha_ptr = si_shader_ctx->radeon_bld.soa.outputs[i][3];
+
                        if (si_shader_ctx->shader->key.ps.alpha_to_one)
-                               LLVMBuildStore(bld_base->base.gallivm->builder,
-                                              bld_base->base.one,
-                                              
si_shader_ctx->radeon_bld.soa.outputs[i][3]);
+                               LLVMBuildStore(base->gallivm->builder,
+                                              base->one, alpha_ptr);
 
                        if (semantic_index == 0 &&
                            si_shader_ctx->shader->key.ps.alpha_func != 
PIPE_FUNC_ALWAYS)
-                               si_alpha_test(bld_base,
-                                             
si_shader_ctx->radeon_bld.soa.outputs[i]);
+                               si_alpha_test(bld_base, alpha_ptr);
                        break;
                default:
                        target = 0;

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