mirror of
https://github.com/doitsujin/dxvk.git
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93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
#include "dxbc_analysis.h"
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#include "dxbc_compiler.h"
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#include "dxbc_module.h"
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namespace dxvk {
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DxbcModule::DxbcModule(DxbcReader& reader)
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: m_header(reader) {
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for (uint32_t i = 0; i < m_header.numChunks(); i++) {
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// The chunk tag is stored at the beginning of each chunk
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auto chunkReader = reader.clone(m_header.chunkOffset(i));
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auto tag = chunkReader.readTag();
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// The chunk size follows right after the four-character
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// code. This does not include the eight bytes that are
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// consumed by the FourCC and chunk length entry.
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auto chunkLength = chunkReader.readu32();
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chunkReader = chunkReader.clone(8);
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chunkReader = chunkReader.resize(chunkLength);
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if ((tag == "SHDR") || (tag == "SHEX"))
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m_shexChunk = new DxbcShex(chunkReader);
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if ((tag == "ISGN"))
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m_isgnChunk = new DxbcIsgn(chunkReader);
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if ((tag == "OSGN"))
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m_osgnChunk = new DxbcIsgn(chunkReader);
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// if ((tag == "OSG5"))
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// m_osgnChunk = new DxbcIsgn(chunkReader);
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}
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}
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DxbcModule::~DxbcModule() {
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}
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Rc<DxvkShader> DxbcModule::compile(const DxbcOptions& options) const {
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if (m_shexChunk == nullptr)
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throw DxvkError("DxbcModule::compile: No SHDR/SHEX chunk");
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DxbcAnalysisInfo analysisInfo;
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DxbcAnalyzer analyzer(options,
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m_shexChunk->version(),
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analysisInfo);
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DxbcCompiler compiler(options,
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m_shexChunk->version(),
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m_isgnChunk, m_osgnChunk,
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analysisInfo);
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this->runAnalyzer(analyzer, m_shexChunk->slice());
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this->runCompiler(compiler, m_shexChunk->slice());
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return compiler.finalize();
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}
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void DxbcModule::runAnalyzer(
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DxbcAnalyzer& analyzer,
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DxbcCodeSlice slice) const {
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DxbcDecodeContext decoder;
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while (!slice.atEnd()) {
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decoder.decodeInstruction(slice);
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analyzer.processInstruction(
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decoder.getInstruction());
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}
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}
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void DxbcModule::runCompiler(
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DxbcCompiler& compiler,
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DxbcCodeSlice slice) const {
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DxbcDecodeContext decoder;
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while (!slice.atEnd()) {
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decoder.decodeInstruction(slice);
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compiler.processInstruction(
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decoder.getInstruction());
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}
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}
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} |