---
src/gallium/drivers/radeonsi/si_shader.c | 69 +++++++++++++++++++++++---------
1 file changed, 50 insertions(+), 19 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index 306e12f..ee4fe2f 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -82,6 +82,17 @@ static void si_build_ps_prolog_function(struct
si_shader_context *ctx,
static void si_build_ps_epilog_function(struct si_shader_context *ctx,
union si_shader_part_key *key);
+static LLVMValueRef build_buffer_load(struct si_shader_context *ctx,
+ LLVMValueRef rsrc,
+ int num_channels,
+ LLVMValueRef vindex,
+ LLVMValueRef voffset,
+ LLVMValueRef soffset,
+ unsigned inst_offset,
+ unsigned glc,
+ unsigned slc,
+ bool is_format);
+
/* Ideally pass the sample mask input to the PS epilog as v13, which
* is its usual location, so that the shader doesn't have to add v_mov.
*/
@@ -368,6 +379,31 @@ static LLVMValueRef get_instance_index_for_fetch(
LLVMGetParam(radeon_bld->main_fn,
param_start_instance), "");
}
+static LLVMValueRef build_vs_load_input(struct si_shader_context *ctx,
+ LLVMValueRef rsrc,
+ LLVMValueRef index,
+ LLVMValueRef offset) {
+
+ struct lp_build_context *base = &ctx->soa.bld_base.base;
+ struct lp_build_context *uint = &ctx->soa.bld_base.uint_bld;
+ struct gallivm_state *gallivm = base->gallivm;
+
+ LLVMValueRef args[8];
+
+ if (HAVE_LLVM < 0x0400) {
+ args[0] = rsrc;
+ args[1] = offset;
+ args[2] = index;
+
+ return lp_build_intrinsic(gallivm->builder,
+ "llvm.SI.vs.load.input", ctx->v4f32, args, 3,
+ LP_FUNC_ATTR_READNONE);
+ }
+
+ return build_buffer_load(ctx, rsrc, 4, index, offset,
+ uint->zero, 0, 0, 0, true);
+}
+
static void declare_input_vs(
struct si_shader_context *ctx,
unsigned input_index,
@@ -385,7 +421,6 @@ static void declare_input_vs(
LLVMValueRef t_list;
LLVMValueRef attribute_offset;
LLVMValueRef buffer_index;
- LLVMValueRef args[3];
LLVMValueRef input;
/* Load the T list */
@@ -402,12 +437,8 @@ static void declare_input_vs(
ctx->param_vertex_index0 +
input_index);
- args[0] = t_list;
- args[1] = attribute_offset;
- args[2] = buffer_index;
- input = lp_build_intrinsic(gallivm->builder,
- "llvm.SI.vs.load.input", ctx->v4f32, args, 3,
- LP_FUNC_ATTR_READNONE);
+ input = build_vs_load_input(ctx, t_list, buffer_index,
+ attribute_offset);
/* Break up the vec4 into individual components */
for (chan = 0; chan < 4; chan++) {
@@ -808,7 +839,8 @@ static LLVMValueRef build_buffer_load(struct
si_shader_context *ctx,
LLVMValueRef soffset,
unsigned inst_offset,
unsigned glc,
- unsigned slc)
+ unsigned slc,
+ bool is_format)
{
struct gallivm_state *gallivm = &ctx->gallivm;
unsigned func = CLAMP(num_channels, 1, 3) - 1;
@@ -837,8 +869,8 @@ static LLVMValueRef build_buffer_load(struct
si_shader_context *ctx,
"");
}
- snprintf(name, sizeof(name), "llvm.amdgcn.buffer.load.%s",
- type_names[func]);
+ snprintf(name, sizeof(name), "llvm.amdgcn.buffer.load.%s%s",
+ is_format ? "format." : "", type_names[func]);
return lp_build_intrinsic(gallivm->builder, name, types[func],
args,
ARRAY_SIZE(args),
LP_FUNC_ATTR_READONLY);
@@ -889,14 +921,14 @@ static LLVMValueRef buffer_load(struct
lp_build_tgsi_context *bld_base,
if (swizzle == ~0) {
value = build_buffer_load(ctx, buffer, 4, NULL, base, offset,
- 0, 1, 0);
+ 0, 1, 0, false);
return LLVMBuildBitCast(gallivm->builder, value, vec_type, "");
}
if (!tgsi_type_is_64bit(type)) {
value = build_buffer_load(ctx, buffer, 4, NULL, base, offset,
- 0, 1, 0);
+ 0, 1, 0, false);
value = LLVMBuildBitCast(gallivm->builder, value, vec_type, "");
return LLVMBuildExtractElement(gallivm->builder, value,
@@ -904,10 +936,10 @@ static LLVMValueRef buffer_load(struct
lp_build_tgsi_context *bld_base,
}
value = build_buffer_load(ctx, buffer, 1, NULL, base, offset,
- swizzle * 4, 1, 0);
+ swizzle * 4, 1, 0, false);
value2 = build_buffer_load(ctx, buffer, 1, NULL, base, offset,
- swizzle * 4 + 4, 1, 0);
+ swizzle * 4 + 4, 1, 0, false);
return si_llvm_emit_fetch_64bit(bld_base, type, value, value2);
}
@@ -4779,11 +4811,10 @@ static void build_tex_intrinsic(const struct
lp_build_tgsi_action *action,
const char *infix = "";
if (target == TGSI_TEXTURE_BUFFER) {
- emit_data->output[emit_data->chan] = lp_build_intrinsic(
- base->gallivm->builder,
- "llvm.SI.vs.load.input", emit_data->dst_type,
- emit_data->args, emit_data->arg_count,
- LP_FUNC_ATTR_READNONE);
+ emit_data->output[emit_data->chan] =
+ build_vs_load_input(ctx, emit_data->args[0],
+ emit_data->args[2],
+ emit_data->args[1]);
return;
}
--
2.7.4
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