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implement textures

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This commit is contained in:
Samuliak 2024-07-02 13:40:29 +02:00
parent bac3a8e040
commit b62a14d3ff
3 changed files with 63 additions and 3 deletions
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50
src/core/renderer_mtl/renderer_mtl.cpp
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@ -1,3 +1,4 @@
#include "PICA/gpu.hpp"
#include "renderer_mtl/renderer_mtl.hpp"
#include <cmrc/cmrc.hpp>
@ -209,6 +210,9 @@ void RendererMTL::drawVertices(PICA::PrimType primType, std::span<const PICA::Ve
renderCommandEncoder->setRenderPipelineState(drawPipeline);
renderCommandEncoder->setVertexBytes(vertices.data(), vertices.size_bytes(), VERTEX_BUFFER_BINDING_INDEX);
// Bind resources
bindTexturesToSlots();
// TODO: respect primitive type
renderCommandEncoder->drawPrimitives(MTL::PrimitiveTypeTriangle, NS::UInteger(0), NS::UInteger(vertices.size()));
@ -226,3 +230,49 @@ void RendererMTL::deinitGraphicsContext() {
// TODO: implement
Helpers::warn("RendererMTL::deinitGraphicsContext not implemented");
}
MTL::Texture* RendererMTL::getTexture(Metal::Texture& tex) {
auto buffer = textureCache.find(tex);
if (buffer.has_value()) {
return buffer.value().get().texture;
} else {
const auto textureData = std::span{gpu.getPointerPhys<u8>(tex.location), tex.sizeInBytes()}; // Get pointer to the texture data in 3DS memory
Metal::Texture& newTex = textureCache.add(tex);
newTex.decodeTexture(textureData);
return newTex.texture;
}
}
void RendererMTL::bindTexturesToSlots() {
static constexpr std::array<u32, 3> ioBases = {
PICA::InternalRegs::Tex0BorderColor,
PICA::InternalRegs::Tex1BorderColor,
PICA::InternalRegs::Tex2BorderColor,
};
for (int i = 0; i < 3; i++) {
if ((regs[PICA::InternalRegs::TexUnitCfg] & (1 << i)) == 0) {
continue;
}
const size_t ioBase = ioBases[i];
const u32 dim = regs[ioBase + 1];
const u32 config = regs[ioBase + 2];
const u32 height = dim & 0x7ff;
const u32 width = Helpers::getBits<16, 11>(dim);
const u32 addr = (regs[ioBase + 4] & 0x0FFFFFFF) << 3;
u32 format = regs[ioBase + (i == 0 ? 13 : 5)] & 0xF;
if (addr != 0) [[likely]] {
Metal::Texture targetTex(device, addr, static_cast<PICA::TextureFmt>(format), width, height, config);
MTL::Texture* tex = getTexture(targetTex);
// TODO: bind the texture
Helpers::warn("Wanted to bind texture %p at index %i", tex, i);
} else {
// TODO: bind a dummy texture?
}
}
}