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GLES: Implement logic ops via fb fetch (#608)

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* GLES: Implement logic ops via fb fetch

* Attempt to fix deprecated libglx-mesa0 package

* Update Qt_Build.yml

* GLES: Enable fb fetch instead of requiring it

* GLES: Add support for GL_ARM_shader_framebuffer_fetch

* Fix GL_EXT_shader_framebuffer_fetch behavior
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wheremyfoodat 2024-10-13 21:17:24 +00:00 • committed by GitHub
parent 5eb628eb5f
commit fa9ce5fc70
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12 changed files with 111 additions and 12 deletions
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10
src/core/renderer_gl/renderer_gl.cpp
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@ -167,6 +167,10 @@ void RendererGL::initGraphicsContextInternal() {
reset();
// Populate our driver info structure
driverInfo.supportsExtFbFetch = GLAD_GL_EXT_shader_framebuffer_fetch != 0;
driverInfo.supportsArmFbFetch = GLAD_GL_ARM_shader_framebuffer_fetch != 0;
// Initialize the default vertex shader used with shadergen
std::string defaultShadergenVSSource = fragShaderGen.getDefaultVertexShader();
defaultShadergenVs.create({defaultShadergenVSSource.c_str(), defaultShadergenVSSource.size()}, OpenGL::Vertex);
@ -839,12 +843,16 @@ OpenGL::Program& RendererGL::getSpecializedShader() {
constexpr uint uboBlockBinding = 2;
PICA::FragmentConfig fsConfig(regs);
// If we're not on GLES, ignore the logic op configuration and don't generate redundant shaders for it, since we use hw logic ops
#ifndef USING_GLES
fsConfig.outConfig.logicOpMode = PICA::LogicOpMode(0);
#endif
CachedProgram& programEntry = shaderCache[fsConfig];
OpenGL::Program& program = programEntry.program;
if (!program.exists()) {
std::string fs = fragShaderGen.generate(fsConfig);
std::string fs = fragShaderGen.generate(fsConfig, &driverInfo);
OpenGL::Shader fragShader({fs.c_str(), fs.size()}, OpenGL::Fragment);
program.create({defaultShadergenVs, fragShader});