forked from suyu/suyu
89 lines
3 KiB
C++
89 lines
3 KiB
C++
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <limits>
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#include "common/assert.h"
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#include "video_core/texture_cache/image_view_info.h"
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#include "video_core/texture_cache/texture_cache.h"
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#include "video_core/texture_cache/types.h"
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#include "video_core/textures/texture.h"
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namespace VideoCommon {
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namespace {
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constexpr u8 RENDER_TARGET_SWIZZLE = std::numeric_limits<u8>::max();
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[[nodiscard]] u8 CastSwizzle(SwizzleSource source) {
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const u8 casted = static_cast<u8>(source);
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ASSERT(static_cast<SwizzleSource>(casted) == source);
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return casted;
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}
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} // Anonymous namespace
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ImageViewInfo::ImageViewInfo(const TICEntry& config, s32 base_layer) noexcept
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: format{PixelFormatFromTIC(config)}, x_source{CastSwizzle(config.x_source)},
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y_source{CastSwizzle(config.y_source)}, z_source{CastSwizzle(config.z_source)},
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w_source{CastSwizzle(config.w_source)} {
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range.base = SubresourceBase{
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.level = static_cast<s32>(config.res_min_mip_level),
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.layer = base_layer,
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};
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range.extent.levels = config.res_max_mip_level - config.res_min_mip_level + 1;
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switch (config.texture_type) {
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case TextureType::Texture1D:
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ASSERT(config.Height() == 1);
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ASSERT(config.Depth() == 1);
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type = ImageViewType::e1D;
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break;
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case TextureType::Texture2D:
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case TextureType::Texture2DNoMipmap:
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ASSERT(config.Depth() == 1);
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type = config.normalized_coords ? ImageViewType::e2D : ImageViewType::Rect;
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break;
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case TextureType::Texture3D:
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type = ImageViewType::e3D;
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break;
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case TextureType::TextureCubemap:
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ASSERT(config.Depth() == 1);
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type = ImageViewType::Cube;
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range.extent.layers = 6;
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break;
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case TextureType::Texture1DArray:
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type = ImageViewType::e1DArray;
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range.extent.layers = config.Depth();
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break;
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case TextureType::Texture2DArray:
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type = ImageViewType::e2DArray;
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range.extent.layers = config.Depth();
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break;
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case TextureType::Texture1DBuffer:
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type = ImageViewType::Buffer;
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break;
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case TextureType::TextureCubeArray:
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type = ImageViewType::CubeArray;
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range.extent.layers = config.Depth() * 6;
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break;
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default:
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UNREACHABLE_MSG("Invalid texture_type={}", static_cast<int>(config.texture_type.Value()));
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break;
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}
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}
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ImageViewInfo::ImageViewInfo(ImageViewType type_, PixelFormat format_,
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SubresourceRange range_) noexcept
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: type{type_}, format{format_}, range{range_}, x_source{RENDER_TARGET_SWIZZLE},
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y_source{RENDER_TARGET_SWIZZLE}, z_source{RENDER_TARGET_SWIZZLE},
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w_source{RENDER_TARGET_SWIZZLE} {}
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bool ImageViewInfo::IsRenderTarget() const noexcept {
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return x_source == RENDER_TARGET_SWIZZLE && y_source == RENDER_TARGET_SWIZZLE &&
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z_source == RENDER_TARGET_SWIZZLE && w_source == RENDER_TARGET_SWIZZLE;
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}
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} // namespace VideoCommon
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