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renderer_gl: Implement logic op

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GPUCode 2023-07-26 22:08:20 +03:00
parent 95a8917589
commit 6f7874227c
3 changed files with 28 additions and 1 deletions
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3
include/PICA/regs.hpp
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@ -53,6 +53,7 @@ namespace PICA {
// Framebuffer registers
ColourOperation = 0x100,
BlendFunc = 0x101,
LogicOp = 0x102,
BlendColour = 0x103,
AlphaTestConfig = 0x104,
StencilTest = 0x105,
@ -294,4 +295,4 @@ namespace PICA {
GeometryPrimitive = 3,
};
} // namespace PICA
} // namespace PICA

1
include/renderer_gl/renderer_gl.hpp
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@ -62,6 +62,7 @@ class RendererGL final : public Renderer {
MAKE_LOG_FUNCTION(log, rendererLogger)
void setupBlending();
void setupStencilTest(bool stencilEnable);
void setupLogicOp();
void bindDepthBuffer();
void setupTextureEnvState();
void bindTexturesToSlots();

25
src/core/renderer_gl/renderer_gl.cpp
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@ -250,6 +250,30 @@ void RendererGL::setupStencilTest(bool stencilEnable) {
glStencilOp(stencilOps[stencilFailOp], stencilOps[depthFailOp], stencilOps[passOp]);
}
void RendererGL::setupLogicOp() {
const u32 logicOp = getBits<0, 4>(regs[PICA::InternalRegs::LogicOp]);
static constexpr std::array<GLenum, 16> logicOps = {
GL_CLEAR,
GL_AND,
GL_AND_REVERSE,
GL_COPY,
GL_SET,
GL_COPY_INVERTED,
GL_NOOP,
GL_INVERT,
GL_NAND,
GL_OR,
GL_NOR,
GL_XOR,
GL_EQUIV,
GL_AND_INVERTED,
GL_OR_REVERSE,
GL_OR_INVERTED,
};
glLogicOp(logicOps[logicOp]);
}
void RendererGL::setupTextureEnvState() {
// TODO: Only update uniforms when the TEV config changed. Use an UBO potentially.
@ -427,6 +451,7 @@ void RendererGL::drawVertices(PICA::PrimType primType, std::span<const Vertex> v
}
setupStencilTest(stencilEnable);
setupLogicOp();
vbo.bufferVertsSub(vertices);
OpenGL::draw(primitiveTopology, GLsizei(vertices.size()));