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-rw-r--r--src/shader_recompiler/CMakeLists.txt1
-rw-r--r--src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp3
-rw-r--r--src/shader_recompiler/ir_opt/passes.h1
-rw-r--r--src/shader_recompiler/ir_opt/rescaling_pass.cpp60
-rw-r--r--src/shader_recompiler/shader_info.h2
5 files changed, 32 insertions, 35 deletions
diff --git a/src/shader_recompiler/CMakeLists.txt b/src/shader_recompiler/CMakeLists.txt
index b5b7e5e83..bc3df80c8 100644
--- a/src/shader_recompiler/CMakeLists.txt
+++ b/src/shader_recompiler/CMakeLists.txt
@@ -221,6 +221,7 @@ add_library(shader_recompiler STATIC
ir_opt/lower_fp16_to_fp32.cpp
ir_opt/lower_int64_to_int32.cpp
ir_opt/passes.h
+ ir_opt/rescaling_pass.cpp
ir_opt/ssa_rewrite_pass.cpp
ir_opt/texture_pass.cpp
ir_opt/verification_pass.cpp
diff --git a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
index f69e1c9cc..ef918f4d4 100644
--- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
+++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
@@ -430,6 +430,9 @@ void VisitUsages(Info& info, IR::Inst& inst) {
case IR::Opcode::IsHelperInvocation:
info.uses_is_helper_invocation = true;
break;
+ case IR::Opcode::ResolutionDownFactor:
+ info.uses_rescaling_uniform = true;
+ break;
case IR::Opcode::LaneId:
info.uses_subgroup_invocation_id = true;
break;
diff --git a/src/shader_recompiler/ir_opt/passes.h b/src/shader_recompiler/ir_opt/passes.h
index 2f89b1ea0..f877c7ba0 100644
--- a/src/shader_recompiler/ir_opt/passes.h
+++ b/src/shader_recompiler/ir_opt/passes.h
@@ -19,6 +19,7 @@ void GlobalMemoryToStorageBufferPass(IR::Program& program);
void IdentityRemovalPass(IR::Program& program);
void LowerFp16ToFp32(IR::Program& program);
void LowerInt64ToInt32(IR::Program& program);
+void RescalingPass(IR::Program& program);
void SsaRewritePass(IR::Program& program);
void TexturePass(Environment& env, IR::Program& program);
void VerificationPass(const IR::Program& program);
diff --git a/src/shader_recompiler/ir_opt/rescaling_pass.cpp b/src/shader_recompiler/ir_opt/rescaling_pass.cpp
index d3ae3f159..293593c78 100644
--- a/src/shader_recompiler/ir_opt/rescaling_pass.cpp
+++ b/src/shader_recompiler/ir_opt/rescaling_pass.cpp
@@ -3,7 +3,9 @@
// Refer to the license.txt file included.
#include "common/alignment.h"
+#include "common/settings.h"
#include "shader_recompiler/environment.h"
+#include "shader_recompiler/frontend/ir/ir_emitter.h"
#include "shader_recompiler/frontend/ir/modifiers.h"
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/frontend/ir/value.h"
@@ -12,59 +14,49 @@
namespace Shader::Optimization {
namespace {
-
-void PatchFragCoord(IR::Inst& inst) {
+void PatchFragCoord(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
- const IR::F32 inv_resolution_factor = IR::F32{Settings::values.resolution_info.down_factor};
- const IR::F32 new_get_attribute = ir.GetAttribute(inst.Arg(0).Attribute());
- const IR::F32 mul = ir.FMul(new_get_attribute, inv_resolution_factor);
- const IR::U1 should_rescale = IR::U1{true};
- const IR::F32 selection = ir.Select(should_rescale, mul, new_get_attribute);
- inst.ReplaceUsesWith(selection);
+ const IR::F32 down_factor{ir.ResolutionDownFactor()};
+ const IR::F32 frag_coord{&inst};
+ const IR::F32 downscaled_frag_coord{ir.FPMul(frag_coord, down_factor)};
+ inst.ReplaceUsesWith(downscaled_frag_coord);
}
-void Visit(Info& info, IR::Inst& inst) {
- info.requires_rescaling_uniform = false;
+void Visit(const IR::Program& program, IR::Block& block, IR::Inst& inst) {
+ const bool is_fragment_shader{program.stage == Stage::Fragment};
switch (inst.GetOpcode()) {
case IR::Opcode::GetAttribute: {
- conast auto attrib = inst.Arg(0).Attribute();
- const bool is_frag =
- attrib == IR::Attribute::PositionX || attrib == IR::Attribute::PositionY;
- const bool must_path = is_frag && program.stage == Stage::Fragment;
- if (must_path) {
- PatchFragCoord(inst);
- info.requires_rescaling_uniform = true;
+ const IR::Attribute attr{inst.Arg(0).Attribute()};
+ switch (attr) {
+ case IR::Attribute::PositionX:
+ case IR::Attribute::PositionY:
+ if (is_fragment_shader) {
+ PatchFragCoord(block, inst);
+ }
+ break;
+ default:
+ break;
}
break;
}
- case IR::Opcode::ImageQueryDimensions: {
- info.requires_rescaling_uniform |= true;
+ case IR::Opcode::ImageQueryDimensions:
break;
- }
- case IR::Opcode::ImageFetch: {
- info.requires_rescaling_uniform |= true;
+ case IR::Opcode::ImageFetch:
break;
- }
- case IR::Opcode::ImageRead: {
- info.requires_rescaling_uniform |= true;
+ case IR::Opcode::ImageRead:
break;
- }
- case IR::Opcode::ImageWrite: {
- info.requires_rescaling_uniform |= true;
+ case IR::Opcode::ImageWrite:
break;
- }
default:
break;
}
}
+} // Anonymous namespace
-} // namespace
-
-void RescalingPass(Environment& env, IR::Program& program) {
- Info& info{program.info};
+void RescalingPass(IR::Program& program) {
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
- Visit(info, inst);
+ Visit(program, *block, inst);
}
}
}
diff --git a/src/shader_recompiler/shader_info.h b/src/shader_recompiler/shader_info.h
index e7981a08c..7bac9e2cd 100644
--- a/src/shader_recompiler/shader_info.h
+++ b/src/shader_recompiler/shader_info.h
@@ -172,7 +172,7 @@ struct Info {
bool uses_global_memory{};
bool uses_atomic_image_u32{};
bool uses_shadow_lod{};
- bool requires_rescaling_uniform{};
+ bool uses_rescaling_uniform{};
IR::Type used_constant_buffer_types{};
IR::Type used_storage_buffer_types{};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 12:02:55 +0100