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support depth render targets

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This commit is contained in:
Samuliak 2024-07-03 07:40:32 +02:00
parent 1df81c373c
commit 1ba54b44fb
4 changed files with 52 additions and 10 deletions
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22
include/renderer_mtl/render_target.hpp
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@ -2,22 +2,23 @@
#include <array>
#include <string>
#include <Metal/Metal.hpp>
#include "PICA/regs.hpp"
#include "boost/icl/interval.hpp"
#include "helpers.hpp"
#include "math_util.hpp"
#include "opengl.hpp"
#include "pica_to_mtl.hpp"
template <typename T>
using Interval = boost::icl::right_open_interval<T>;
namespace Metal {
template <typename Format_t>
struct RenderTarget {
MTL::Device* device;
u32 location;
PICA::ColorFmt format;
Format_t format;
OpenGL::uvec2 size;
bool valid;
@ -28,9 +29,8 @@ struct RenderTarget {
RenderTarget() : valid(false) {}
RenderTarget(MTL::Device* dev, u32 loc, PICA::ColorFmt format, u32 x, u32 y, bool valid = true)
RenderTarget(MTL::Device* dev, u32 loc, Format_t format, u32 x, u32 y, bool valid = true)
: device(dev), location(loc), format(format), size({x, y}), valid(valid) {
u64 endLoc = (u64)loc + sizeInBytes();
// Check if start and end are valid here
range = Interval<u32>(loc, (u32)endLoc);
@ -51,9 +51,18 @@ struct RenderTarget {
}
void allocate() {
MTL::PixelFormat pixelFormat = MTL::PixelFormatInvalid;
if (std::is_same<Format_t, PICA::ColorFmt>::value) {
pixelFormat = PICA::toMTLPixelFormatColor((PICA::ColorFmt)format);
} else if (std::is_same<Format_t, PICA::DepthFmt>::value) {
pixelFormat = PICA::toMTLPixelFormatDepth((PICA::DepthFmt)format);
} else {
panic("Invalid format type");
}
MTL::TextureDescriptor* descriptor = MTL::TextureDescriptor::alloc()->init();
descriptor->setTextureType(MTL::TextureType2D);
descriptor->setPixelFormat(MTL::PixelFormatRGBA8Unorm);
descriptor->setPixelFormat(pixelFormat);
descriptor->setWidth(size.u());
descriptor->setHeight(size.v());
descriptor->setUsage(MTL::TextureUsageRenderTarget | MTL::TextureUsageShaderRead);
@ -74,4 +83,7 @@ struct RenderTarget {
}
};
typedef RenderTarget<PICA::ColorFmt> ColorRenderTarget;
typedef RenderTarget<PICA::DepthFmt> DepthStencilRenderTarget;
} // namespace Metal