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radeonsi: mark all loads as constant

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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Christian König
2013-03-20 14:37:21 +01:00
parent 86f6fc2f1d
commit 206f059e1f
1 changed files with 26 additions and 8 deletions
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src/gallium/drivers/radeonsi/radeonsi_shader.c
+26 -8
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@@ -59,6 +59,7 @@ struct si_shader_context
struct si_pipe_shader *shader;
struct si_shader_key key;
unsigned type; /* TGSI_PROCESSOR_* specifies the type of shader. */
LLVMValueRef const_md;
/* struct list_head inputs; */
/* unsigned * input_mappings *//* From TGSI to SI hw */
/* struct tgsi_shader_info info;*/
@@ -95,14 +96,18 @@ static struct si_shader_context * si_shader_context(
*
*/
static LLVMValueRef build_indexed_load(
struct gallivm_state * gallivm,
struct si_shader_context * si_shader_ctx,
LLVMValueRef base_ptr,
LLVMValueRef offset)
{
LLVMValueRef computed_ptr = LLVMBuildGEP(
gallivm->builder, base_ptr, &offset, 1, "");
struct lp_build_context * base = &si_shader_ctx->radeon_bld.soa.bld_base.base;
return LLVMBuildLoad(gallivm->builder, computed_ptr, "");
LLVMValueRef computed_ptr = LLVMBuildGEP(
base->gallivm->builder, base_ptr, &offset, 1, "");
LLVMValueRef result = LLVMBuildLoad(base->gallivm->builder, computed_ptr, "");
LLVMSetMetadata(result, 1, si_shader_ctx->const_md);
return result;
}
static void declare_input_vs(
@@ -127,7 +132,7 @@ static void declare_input_vs(
t_offset = lp_build_const_int32(base->gallivm, input_index);
t_list = build_indexed_load(base->gallivm, t_list_ptr, t_offset);
t_list = build_indexed_load(si_shader_ctx, t_list_ptr, t_offset);
/* Build the attribute offset */
attribute_offset = lp_build_const_int32(base->gallivm, 0);
@@ -362,7 +367,7 @@ static LLVMValueRef fetch_constant(
/* Load the resource descriptor */
ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_CONST);
args[0] = build_indexed_load(base->gallivm, ptr, bld_base->uint_bld.zero);
args[0] = build_indexed_load(si_shader_ctx, ptr, bld_base->uint_bld.zero);
args[1] = lp_build_const_int32(base->gallivm, (reg->Register.Index * 4 + swizzle) * 4);
if (reg->Register.Indirect) {
@@ -856,14 +861,14 @@ static void tex_fetch_args(
ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_RESOURCE);
offset = lp_build_const_int32(bld_base->base.gallivm,
emit_data->inst->Src[1].Register.Index);
emit_data->args[2] = build_indexed_load(bld_base->base.gallivm,
emit_data->args[2] = build_indexed_load(si_shader_ctx,
ptr, offset);
/* Sampler */
ptr = LLVMGetParam(si_shader_ctx->radeon_bld.main_fn, SI_PARAM_SAMPLER);
offset = lp_build_const_int32(bld_base->base.gallivm,
emit_data->inst->Src[1].Register.Index);
emit_data->args[3] = build_indexed_load(bld_base->base.gallivm,
emit_data->args[3] = build_indexed_load(si_shader_ctx,
ptr, offset);
/* Dimensions */
@@ -910,6 +915,18 @@ static const struct lp_build_tgsi_action txl_action = {
.intr_name = "llvm.SI.samplel."
};
static void create_meta_data(struct si_shader_context *si_shader_ctx)
{
struct gallivm_state *gallivm = si_shader_ctx->radeon_bld.soa.bld_base.base.gallivm;
LLVMValueRef args[3];
args[0] = LLVMMDStringInContext(gallivm->context, "const", 5);
args[1] = 0;
args[2] = lp_build_const_int32(gallivm, 1);
si_shader_ctx->const_md = LLVMMDNodeInContext(gallivm->context, args, 3);
}
static void create_function(struct si_shader_context *si_shader_ctx)
{
struct gallivm_state *gallivm = si_shader_ctx->radeon_bld.soa.bld_base.base.gallivm;
@@ -1005,6 +1022,7 @@ int si_pipe_shader_create(
si_shader_ctx.type = si_shader_ctx.parse.FullHeader.Processor.Processor;
si_shader_ctx.rctx = rctx;
create_meta_data(&si_shader_ctx);
create_function(&si_shader_ctx);
shader->shader.nr_cbufs = rctx->framebuffer.nr_cbufs;