From fd4e994de3196dfdd2a3f2caf4ca8934e719c296 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Wed, 27 Mar 2019 07:11:50 -0400
Subject: [PATCH] Refactor GetTextureCode and GetTexCode to use an optional
instead of optional parameters
---
src/video_core/shader/decode/texture.cpp | 47 ++++++++++++------------
src/video_core/shader/shader_ir.h | 20 +++++-----
2 files changed, 33 insertions(+), 34 deletions(-)
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp
index 3eac75bef6..5d670b24e2 100644
--- a/src/video_core/shader/decode/texture.cpp
+++ b/src/video_core/shader/decode/texture.cpp
@@ -54,7 +54,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
const auto process_mode = instr.tex.GetTextureProcessMode();
WriteTexInstructionFloat(
bb, instr,
- GetTexCode(instr, texture_type, process_mode, depth_compare, is_array, is_aoffi));
+ GetTexCode(instr, texture_type, process_mode, depth_compare, is_array, is_aoffi, {}));
break;
}
case OpCode::Id::TEX_B: {
@@ -69,9 +69,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
const bool is_array = instr.tex_b.array != 0;
const bool depth_compare = instr.tex_b.UsesMiscMode(TextureMiscMode::DC);
const auto process_mode = instr.tex_b.GetTextureProcessMode();
- WriteTexInstructionFloat(bb, instr,
- GetTexCode(instr, texture_type, process_mode, depth_compare,
- is_array, true, instr.gpr20));
+ WriteTexInstructionFloat(
+ bb, instr,
+ GetTexCode(instr, texture_type, process_mode, depth_compare, is_array, {instr.gpr20}));
break;
}
case OpCode::Id::TEXS: {
@@ -162,10 +162,10 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
// Sadly, not all texture instructions specify the type of texture their sampler
// uses. This must be fixed at a later instance.
const auto& sampler =
- !is_bindless
- ? GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false, false)
- : GetBindlessSampler(instr.gpr8, Tegra::Shader::TextureType::Texture2D, false,
- false);
+ is_bindless
+ ? GetBindlessSampler(instr.gpr8, Tegra::Shader::TextureType::Texture2D, false,
+ false)
+ : GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false, false);
u32 indexer = 0;
switch (instr.txq.query_type) {
@@ -203,9 +203,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
auto texture_type = instr.tmml.texture_type.Value();
const bool is_array = instr.tmml.array != 0;
- const auto& sampler = !is_bindless
- ? GetSampler(instr.sampler, texture_type, is_array, false)
- : GetBindlessSampler(instr.gpr20, texture_type, is_array, false);
+ const auto& sampler = is_bindless
+ ? GetBindlessSampler(instr.gpr20, texture_type, is_array, false)
+ : GetSampler(instr.sampler, texture_type, is_array, false);
std::vector<Node> coords;
@@ -381,25 +381,26 @@ void ShaderIR::WriteTexsInstructionHalfFloat(NodeBlock& bb, Instruction instr,
Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
TextureProcessMode process_mode, std::vector<Node> coords,
- Node array, Node depth_compare, u32 bias_offset, std::vector<Node> aoffi, bool is_bindless,
- Register bindless_reg) {
+ Node array, Node depth_compare, u32 bias_offset, std::vector<Node> aoffi, std::optional<Tegra::Shader::Register> bindless_reg) {
const bool is_array = array;
const bool is_shadow = depth_compare;
+ const bool is_bindless = bindless_reg.has_value();
UNIMPLEMENTED_IF_MSG((texture_type == TextureType::Texture3D && (is_array || is_shadow)) ||
(texture_type == TextureType::TextureCube && is_array && is_shadow),
"This method is not supported.");
- const auto& sampler = !is_bindless
- ? GetSampler(instr.sampler, texture_type, is_array, is_shadow)
- : GetBindlessSampler(bindless_reg, texture_type, is_array, is_shadow);
+ const auto& sampler = is_bindless
+ ? GetBindlessSampler(*bindless_reg, texture_type, is_array, is_shadow)
+ : GetSampler(instr.sampler, texture_type, is_array, is_shadow);
const bool lod_needed = process_mode == TextureProcessMode::LZ ||
process_mode == TextureProcessMode::LL ||
process_mode == TextureProcessMode::LLA;
- // LOD selection (either via bias or explicit textureLod) not supported in GL for
- // sampler2DArrayShadow and samplerCubeArrayShadow.
+ // LOD selection (either via bias or explicit textureLod) not
+ // supported in GL for sampler2DArrayShadow and
+ // samplerCubeArrayShadow.
const bool gl_lod_supported =
!((texture_type == Tegra::Shader::TextureType::Texture2D && is_array && is_shadow) ||
(texture_type == Tegra::Shader::TextureType::TextureCube && is_array && is_shadow));
@@ -417,8 +418,9 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
lod = Immediate(0.0f);
break;
case TextureProcessMode::LB:
- // If present, lod or bias are always stored in the register indexed by the gpr20
- // field with an offset depending on the usage of the other registers
+ // If present, lod or bias are always stored in the register
+ // indexed by the gpr20 field with an offset depending on the
+ // usage of the other registers
bias = GetRegister(instr.gpr20.Value() + bias_offset);
break;
case TextureProcessMode::LL:
@@ -442,7 +444,7 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
Node4 ShaderIR::GetTexCode(Instruction instr, TextureType texture_type,
TextureProcessMode process_mode, bool depth_compare, bool is_array,
- bool is_aoffi, bool is_bindless, Register bindless_reg) {
+ bool is_aoffi, std::optional<Tegra::Shader::Register> bindless_reg) {
const bool lod_bias_enabled{
(process_mode != TextureProcessMode::None && process_mode != TextureProcessMode::LZ)};
@@ -482,8 +484,7 @@ Node4 ShaderIR::GetTexCode(Instruction instr, TextureType texture_type,
dc = GetRegister(parameter_register++);
}
- return GetTextureCode(instr, texture_type, process_mode, coords, array, dc, 0, aoffi, is_bindless,
- bindless_reg);
+ return GetTextureCode(instr, texture_type, process_mode, coords, array, dc, 0, aoffi, bindless_reg);
}
Node4 ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type,
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index ed321cfe5d..11495799ff 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -769,11 +769,10 @@ private:
void WriteTexsInstructionHalfFloat(NodeBlock& bb, Tegra::Shader::Instruction instr,
const Node4& components);
- Node4 GetTexCode(
- Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
- Tegra::Shader::TextureProcessMode process_mode, bool depth_compare, bool is_array,
- bool is_aoffi, bool is_bindless = false,
- Tegra::Shader::Register bindless_reg = static_cast<Tegra::Shader::Register>(0));
+ Node4 GetTexCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
+ Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
+ bool is_array, bool is_aoffi,
+ std::optional<Tegra::Shader::Register> bindless_reg);
Node4 GetTexsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
@@ -790,12 +789,11 @@ private:
bool lod_bias_enabled, std::size_t max_coords, std::size_t max_inputs);
std::vector<Node> GetAoffiCoordinates(Node aoffi_reg, std::size_t coord_count, bool is_tld4);
-
- Node4 GetTextureCode(
- Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
- Tegra::Shader::TextureProcessMode process_mode, std::vector<Node> coords, Node array,
- Node depth_compare, u32 bias_offset, std::vector<Node> aoffi, bool is_bindless = false,
- Tegra::Shader::Register bindless_reg = static_cast<Tegra::Shader::Register>(0));
+
+ Node4 GetTextureCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
+ Tegra::Shader::TextureProcessMode process_mode, std::vector<Node> coords,
+ Node array, Node depth_compare, u32 bias_offset, std::vector<Node> aoffi,
+ std::optional<Tegra::Shader::Register> bindless_reg);
Node GetVideoOperand(Node op, bool is_chunk, bool is_signed, Tegra::Shader::VideoType type,
u64 byte_height);