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Allow providing an index type to calculate quad conversion buffer size

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This commit is contained in:
lynxnb 2022-06-08 19:03:27 +02:00
parent 7709dc8cf6
commit 8fc3bc75f4
2 changed files with 18 additions and 5 deletions
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21
app/src/main/cpp/skyline/gpu/interconnect/conversion/quads.h
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@ -5,6 +5,9 @@
#include <common/base.h> #include <common/base.h>
#include <vulkan/vulkan.hpp>
#include <vulkan/vulkan_enums.hpp>
namespace skyline::gpu::interconnect::conversion::quads { namespace skyline::gpu::interconnect::conversion::quads {
constexpr u32 EmittedIndexCount{6}; //!< The number of indices needed to draw a quad with two triangles constexpr u32 EmittedIndexCount{6}; //!< The number of indices needed to draw a quad with two triangles
constexpr u32 QuadVertexCount{4}; //!< The amount of vertices a quad is composed of constexpr u32 QuadVertexCount{4}; //!< The amount of vertices a quad is composed of
@ -18,11 +21,21 @@ namespace skyline::gpu::interconnect::conversion::quads {
/** /**
* @return The minimum size (in bytes) required to store the quad index buffer of the given type after conversion * @return The minimum size (in bytes) required to store the quad index buffer of the given type after conversion
* @tparam T The type of an element in the index buffer * @param type The type of an element in the index buffer
*/ */
template<typename T> constexpr size_t GetRequiredBufferSize(u32 count, vk::IndexType type) {
constexpr size_t GetRequiredBufferSize(u32 count) { return GetIndexCount(count) * [&]() -> size_t {
return GetIndexCount(count) * sizeof(T); switch (type) {
case vk::IndexType::eUint32:
return sizeof(u32);
case vk::IndexType::eUint16:
return sizeof(u16);
case vk::IndexType::eUint8EXT:
return sizeof(u8);
default:
return 0;
}
}();
} }
/** /**

2
app/src/main/cpp/skyline/gpu/interconnect/graphics_context.h
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@ -1688,7 +1688,7 @@ namespace skyline::gpu::interconnect {
* @result A tuple containing a view over the index buffer, the index type and the index count * @result A tuple containing a view over the index buffer, the index type and the index count
*/ */
std::tuple<BufferView, vk::IndexType, u32> GetQuadListConversionBuffer(u32 count) { std::tuple<BufferView, vk::IndexType, u32> GetQuadListConversionBuffer(u32 count) {
vk::DeviceSize size{conversion::quads::GetRequiredBufferSize<u32>(count)}; vk::DeviceSize size{conversion::quads::GetRequiredBufferSize(count, vk::IndexType::eUint32)};
if (!quadListConversionBuffer || quadListConversionBuffer->GetBackingSpan().size_bytes() < size) { if (!quadListConversionBuffer || quadListConversionBuffer->GetBackingSpan().size_bytes() < size) {
quadListConversionBuffer = std::make_shared<Buffer>(gpu, size); quadListConversionBuffer = std::make_shared<Buffer>(gpu, size);
conversion::quads::GenerateQuadListConversionBuffer(quadListConversionBuffer->GetBackingSpan().cast<u32>().data(), count); conversion::quads::GenerateQuadListConversionBuffer(quadListConversionBuffer->GetBackingSpan().cast<u32>().data(), count);