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Merge pull request #356 from lioncash/shader

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glsl_shader_decompiler: Minor API changes to ShaderWriter
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bunnei 2018-04-19 21:09:25 -04:00 committed by GitHub
commit 17ad56c1dc
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 12 deletions
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42
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -5,6 +5,7 @@
#include <map>
#include <set>
#include <string>
#include <string_view>
#include "common/assert.h"
#include "common/common_types.h"
#include "video_core/engines/shader_bytecode.h"
@ -109,12 +110,25 @@ private:
class ShaderWriter {
public:
void AddLine(const std::string& text) {
void AddLine(std::string_view text) {
DEBUG_ASSERT(scope >= 0);
if (!text.empty()) {
shader_source += std::string(static_cast<size_t>(scope) * 4, ' ');
AppendIndentation();
}
shader_source += text + '\n';
shader_source += text;
AddNewLine();
}
void AddLine(char character) {
DEBUG_ASSERT(scope >= 0);
AppendIndentation();
shader_source += character;
AddNewLine();
}
void AddNewLine() {
DEBUG_ASSERT(scope >= 0);
shader_source += '\n';
}
std::string GetResult() {
@ -124,6 +138,10 @@ public:
int scope = 0;
private:
void AppendIndentation() {
shader_source.append(static_cast<size_t>(scope) * 4, ' ');
}
std::string shader_source;
};
@ -481,7 +499,7 @@ private:
for (const auto& subroutine : subroutines) {
shader.AddLine("bool " + subroutine.GetName() + "();");
}
shader.AddLine("");
shader.AddNewLine();
// Add the main entry point
shader.AddLine("bool exec_shader() {");
@ -524,14 +542,14 @@ private:
}
--shader.scope;
shader.AddLine("}");
shader.AddLine('}');
}
shader.AddLine("default: return false;");
shader.AddLine("}");
shader.AddLine('}');
--shader.scope;
shader.AddLine("}");
shader.AddLine('}');
shader.AddLine("return false;");
}
@ -558,7 +576,7 @@ private:
for (const auto& reg : declr_register) {
declarations.AddLine("float " + reg + " = 0.0;");
}
declarations.AddLine("");
declarations.AddNewLine();
for (const auto& index : declr_input_attribute) {
// TODO(bunnei): Use proper number of elements for these
@ -567,7 +585,7 @@ private:
static_cast<u32>(Attribute::Index::Attribute_0)) +
") in vec4 " + GetInputAttribute(index) + ";");
}
declarations.AddLine("");
declarations.AddNewLine();
for (const auto& index : declr_output_attribute) {
// TODO(bunnei): Use proper number of elements for these
@ -576,15 +594,15 @@ private:
static_cast<u32>(Attribute::Index::Attribute_0)) +
") out vec4 " + GetOutputAttribute(index) + ";");
}
declarations.AddLine("");
declarations.AddNewLine();
unsigned const_buffer_layout = 0;
for (const auto& entry : GetConstBuffersDeclarations()) {
declarations.AddLine("layout(std430) buffer " + entry.GetName());
declarations.AddLine("{");
declarations.AddLine('{');
declarations.AddLine(" float c" + std::to_string(entry.GetIndex()) + "[];");
declarations.AddLine("};");
declarations.AddLine("");
declarations.AddNewLine();
++const_buffer_layout;
}
}