archive/Cemu
1
0
Fork 0
mirror of https://github.com/cemu-project/Cemu.git synced 2025-07-15 11:18:29 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

Latte: Bound uniform buffers based on access patterns within the shader

Browse source
This commit is contained in:
Exzap 2023-09-23 22:53:57 +02:00
parent 4d6b72b353
commit 3e925b7707
6 changed files with 114 additions and 93 deletions
Download patch file Download diff file Expand all files Collapse all files

30
src/Cafe/HW/Latte/LegacyShaderDecompiler/LatteDecompilerEmitGLSLHeader.hpp
View file

@ -37,36 +37,14 @@ namespace LatteDecompiler
}
else if (decompilerContext->shader->uniformMode == LATTE_DECOMPILER_UNIFORM_MODE_FULL_CFILE)
{
// here we try to predict the accessed range so we dont have to upload the whole register file
// we assume that if there is a fixed-index access on an index higher than a relative access, it bounds the prior relative access
sint16 highestAccessIndex = -1;
bool highestAccessIndexIsRel = false;
for(auto& accessItr : decompilerContext->analyzer.uniformRegisterAccessIndices)
{
if (accessItr.index > highestAccessIndex || (accessItr.index == highestAccessIndex && accessItr.isRelative && !highestAccessIndexIsRel))
{
highestAccessIndex = accessItr.index;
highestAccessIndexIsRel = accessItr.isRelative;
}
}
if (highestAccessIndex < 0)
highestAccessIndex = 0;
uint32 cfileSize;
if (highestAccessIndexIsRel)
cfileSize = 256;
else
cfileSize = highestAccessIndex + 1;
// full uniform register file has to be present
uint32 cfileSize = decompilerContext->analyzer.uniformRegisterAccessTracker.DetermineSize(256);
// full or partial uniform register file has to be present
if (shaderType == LatteConst::ShaderType::Vertex)
shaderSrc->addFmt("uniform ivec4 uf_uniformRegisterVS[{}];" _CRLF, cfileSize);
else if (shaderType == LatteConst::ShaderType::Pixel)
shaderSrc->addFmt("uniform ivec4 uf_uniformRegisterPS[{}];" _CRLF, cfileSize);
else if (shaderType == LatteConst::ShaderType::Geometry)
shaderSrc->addFmt("uniform ivec4 uf_uniformRegisterGS[{}];" _CRLF, cfileSize);
else
debugBreakpoint();
uniformOffsets.offset_uniformRegister = uniformCurrentOffset;
uniformOffsets.count_uniformRegister = cfileSize;
uniformCurrentOffset += 16 * cfileSize;
@ -168,7 +146,7 @@ namespace LatteDecompiler
{
for (uint32 i = 0; i < LATTE_NUM_MAX_UNIFORM_BUFFERS; i++)
{
if ((decompilerContext->analyzer.uniformBufferAccessMask&(1 << i)) == 0)
if (!decompilerContext->analyzer.uniformBufferAccessTracker[i].HasAccess())
continue;
cemu_assert_debug(decompilerContext->output->resourceMappingGL.uniformBuffersBindingPoint[i] >= 0);
@ -178,7 +156,7 @@ namespace LatteDecompiler
shaderSrc->addFmt("uniform {}{}" _CRLF, _getShaderUniformBlockInterfaceName(decompilerContext->shaderType), i);
shaderSrc->add("{" _CRLF);
shaderSrc->addFmt("vec4 {}{}[{}];" _CRLF, _getShaderUniformBlockVariableName(decompilerContext->shaderType), i, LATTE_GLSL_DYNAMIC_UNIFORM_BLOCK_SIZE);
shaderSrc->addFmt("vec4 {}{}[{}];" _CRLF, _getShaderUniformBlockVariableName(decompilerContext->shaderType), i, decompilerContext->analyzer.uniformBufferAccessTracker[i].DetermineSize(LATTE_GLSL_DYNAMIC_UNIFORM_BLOCK_SIZE));
shaderSrc->add("};" _CRLF _CRLF);
shaderSrc->add(_CRLF);
}