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[PICA] We can now parse non-fixed attributes

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wheremyfoodat 2022-09-23 01:38:56 +03:00
parent 8770e6dc41
commit a86796936f
2 changed files with 32 additions and 3 deletions
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4
include/PICA/gpu.hpp
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@ -2,9 +2,13 @@
#include <array>
#include "helpers.hpp"
#include "memory.hpp"
#include "opengl.hpp"
#include "PICA/float_types.hpp"
#include "PICA/shader_unit.hpp"
class GPU {
using vec4f = OpenGL::Vector<Floats::f24, 4>;
Memory& mem;
ShaderUnit shaderUnit;
u8* vram = nullptr;

31
src/core/PICA/gpu.cpp
View file

@ -75,12 +75,37 @@ void GPU::drawArrays() {
if (index >= 12) Helpers::panic("[PICA] Vertex attribute used as padding");
u32 attribInfo = (vertexCfg >> (index * 4)) & 0xf;
u32 attribType = attribInfo & 0x3;
u32 attribSize = (attribInfo >> 2) + 1;
u32 attribType = attribInfo & 0x3; // Type of attribute(sbyte/ubyte/short/float)
u32 componentCount = (attribInfo >> 2) + 1; // Total number of components
// Address to fetch the attribute from
u32 attrAddress = vertexBase + attr.offset + (vertexIndex * attr.size);
printf("Attribute %d, type: %d, size: %d\n", attrCount, attribType, attribSize);
vec4f& attribute = shaderUnit.vs.attributes[attrCount];
uint component; // Current component
switch (attribType) {
case 3: { // Float
float* ptr = getPointerPhys<float>(attrAddress);
for (component = 0; component < componentCount; component++) {
float val = *ptr++;
attribute[component] = f24::fromFloat32(val);
printf("Component %d: %f\n", component, (double)val);
}
break;
}
default: Helpers::panic("[PICA] Unimplemented component type %d", attribType);
}
// Fill the remaining attribute lanes with default parameters (1.0 for alpha/w, 0.0) for everything else
// Corgi does this although I'm not sure if it's actually needed for anything.
// TODO: Find out
while (component < 4) {
attribute[component] = (component == 3) ? f24::fromFloat32(1.0) : f24::fromFloat32(0.0);
component++;
}
printf("Attribute %d, type: %d, component count: %d\n", attrCount, attribType, componentCount);
}
}
}