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Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp125
1 files changed, 99 insertions, 26 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 841647ebe..172ba8335 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -443,13 +443,12 @@ public:
}
declarations.AddNewLine();
- // Append the sampler2D array for the used textures.
- const size_t num_samplers = used_samplers.size();
- if (num_samplers > 0) {
- declarations.AddLine("uniform sampler2D " + SamplerEntry::GetArrayName(stage) + '[' +
- std::to_string(num_samplers) + "];");
- declarations.AddNewLine();
+ const auto& samplers = GetSamplers();
+ for (const auto& sampler : samplers) {
+ declarations.AddLine("uniform " + sampler.GetTypeString() + ' ' + sampler.GetName() +
+ ';');
}
+ declarations.AddNewLine();
}
/// Returns a list of constant buffer declarations
@@ -461,13 +460,14 @@ public:
}
/// Returns a list of samplers used in the shader
- std::vector<SamplerEntry> GetSamplers() const {
+ const std::vector<SamplerEntry>& GetSamplers() const {
return used_samplers;
}
/// Returns the GLSL sampler used for the input shader sampler, and creates a new one if
/// necessary.
- std::string AccessSampler(const Sampler& sampler) {
+ std::string AccessSampler(const Sampler& sampler, Tegra::Shader::TextureType type,
+ bool is_array) {
size_t offset = static_cast<size_t>(sampler.index.Value());
// If this sampler has already been used, return the existing mapping.
@@ -476,12 +476,13 @@ public:
[&](const SamplerEntry& entry) { return entry.GetOffset() == offset; });
if (itr != used_samplers.end()) {
+ ASSERT(itr->GetType() == type && itr->IsArray() == is_array);
return itr->GetName();
}
// Otherwise create a new mapping for this sampler
size_t next_index = used_samplers.size();
- SamplerEntry entry{stage, offset, next_index};
+ SamplerEntry entry{stage, offset, next_index, type, is_array};
used_samplers.emplace_back(entry);
return entry.GetName();
}
@@ -722,8 +723,8 @@ private:
}
/// Generates code representing a texture sampler.
- std::string GetSampler(const Sampler& sampler) {
- return regs.AccessSampler(sampler);
+ std::string GetSampler(const Sampler& sampler, Tegra::Shader::TextureType type, bool is_array) {
+ return regs.AccessSampler(sampler, type, is_array);
}
/**
@@ -1753,10 +1754,35 @@ private:
break;
}
case OpCode::Id::TEX: {
- const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
- const std::string op_b = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
- const std::string sampler = GetSampler(instr.sampler);
- const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
+ ASSERT_MSG(instr.tex.array == 0, "TEX arrays unimplemented");
+ Tegra::Shader::TextureType texture_type{instr.tex.texture_type};
+ std::string coord;
+
+ switch (texture_type) {
+ case Tegra::Shader::TextureType::Texture1D: {
+ std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ coord = "float coords = " + x + ';';
+ break;
+ }
+ case Tegra::Shader::TextureType::Texture2D: {
+ std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ break;
+ }
+ default:
+ LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
+ static_cast<u32>(texture_type));
+ UNREACHABLE();
+
+ // Fallback to interpreting as a 2D texture for now
+ std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ texture_type = Tegra::Shader::TextureType::Texture2D;
+ }
+
+ const std::string sampler = GetSampler(instr.sampler, texture_type, false);
// Add an extra scope and declare the texture coords inside to prevent
// overwriting them in case they are used as outputs of the texs instruction.
shader.AddLine("{");
@@ -1778,20 +1804,65 @@ private:
break;
}
case OpCode::Id::TEXS: {
- const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
- const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20);
- const std::string sampler = GetSampler(instr.sampler);
- const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
+ std::string coord;
+ Tegra::Shader::TextureType texture_type{instr.texs.GetTextureType()};
+ bool is_array{instr.texs.IsArrayTexture()};
+
+ switch (texture_type) {
+ case Tegra::Shader::TextureType::Texture2D: {
+ if (is_array) {
+ std::string index = regs.GetRegisterAsInteger(instr.gpr8);
+ std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ std::string y = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec3 coords = vec3(" + x + ", " + y + ", " + index + ");";
+ } else {
+ std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ std::string y = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ }
+ break;
+ }
+ default:
+ LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
+ static_cast<u32>(texture_type));
+ UNREACHABLE();
+ // Fallback to interpreting as a 2D texture for now
+ std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ std::string y = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ texture_type = Tegra::Shader::TextureType::Texture2D;
+ is_array = false;
+ }
+ const std::string sampler = GetSampler(instr.sampler, texture_type, is_array);
const std::string texture = "texture(" + sampler + ", coords)";
WriteTexsInstruction(instr, coord, texture);
break;
}
case OpCode::Id::TLDS: {
- const std::string op_a = regs.GetRegisterAsInteger(instr.gpr8);
- const std::string op_b = regs.GetRegisterAsInteger(instr.gpr20);
- const std::string sampler = GetSampler(instr.sampler);
- const std::string coord = "ivec2 coords = ivec2(" + op_a + ", " + op_b + ");";
+ ASSERT(instr.tlds.GetTextureType() == Tegra::Shader::TextureType::Texture2D);
+ ASSERT(instr.tlds.IsArrayTexture() == false);
+ std::string coord;
+
+ switch (instr.tlds.GetTextureType()) {
+ case Tegra::Shader::TextureType::Texture2D: {
+ if (instr.tlds.IsArrayTexture()) {
+ LOG_CRITICAL(HW_GPU, "Unhandled 2d array texture");
+ UNREACHABLE();
+ } else {
+ std::string x = regs.GetRegisterAsInteger(instr.gpr8);
+ std::string y = regs.GetRegisterAsInteger(instr.gpr20);
+ coord = "ivec2 coords = ivec2(" + x + ", " + y + ");";
+ }
+ break;
+ }
+ default:
+ LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
+ static_cast<u32>(instr.tlds.GetTextureType()));
+ UNREACHABLE();
+ }
+ const std::string sampler = GetSampler(instr.sampler, instr.tlds.GetTextureType(),
+ instr.tlds.IsArrayTexture());
const std::string texture = "texelFetch(" + sampler + ", coords, 0)";
WriteTexsInstruction(instr, coord, texture);
break;
@@ -1799,7 +1870,7 @@ private:
case OpCode::Id::TLD4: {
ASSERT(instr.tld4.texture_type == Tegra::Shader::TextureType::Texture2D);
ASSERT(instr.tld4.array == 0);
- std::string coord{};
+ std::string coord;
switch (instr.tld4.texture_type) {
case Tegra::Shader::TextureType::Texture2D: {
@@ -1814,7 +1885,8 @@ private:
UNREACHABLE();
}
- const std::string sampler = GetSampler(instr.sampler);
+ const std::string sampler =
+ GetSampler(instr.sampler, instr.tld4.texture_type, false);
// Add an extra scope and declare the texture coords inside to prevent
// overwriting them in case they are used as outputs of the texs instruction.
shader.AddLine("{");
@@ -1840,7 +1912,8 @@ private:
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20);
// TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction.
- const std::string sampler = GetSampler(instr.sampler);
+ const std::string sampler =
+ GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false);
const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
const std::string texture = "textureGather(" + sampler + ", coords, " +
std::to_string(instr.tld4s.component) + ')';
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 00:51:34 +0200