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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-12-30 06:25:23 +0100 |
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committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-12-30 07:38:50 +0100 |
commit | 9764c13d6d2977903f407761b27d847c0056e1c4 (patch) | |
tree | f6f5d6d6379b0404147969e7d1f548ed3d49ca01 /src/video_core/texture_cache/image_view_info.cpp | |
parent | video_core: Add a delayed destruction ring abstraction (diff) | |
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Diffstat (limited to 'src/video_core/texture_cache/image_view_info.cpp')
-rw-r--r-- | src/video_core/texture_cache/image_view_info.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/video_core/texture_cache/image_view_info.cpp b/src/video_core/texture_cache/image_view_info.cpp new file mode 100644 index 000000000..faf5b151f --- /dev/null +++ b/src/video_core/texture_cache/image_view_info.cpp @@ -0,0 +1,88 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <limits> + +#include "common/assert.h" +#include "video_core/texture_cache/image_view_info.h" +#include "video_core/texture_cache/texture_cache.h" +#include "video_core/texture_cache/types.h" +#include "video_core/textures/texture.h" + +namespace VideoCommon { + +namespace { + +constexpr u8 RENDER_TARGET_SWIZZLE = std::numeric_limits<u8>::max(); + +[[nodiscard]] u8 CastSwizzle(SwizzleSource source) { + const u8 casted = static_cast<u8>(source); + ASSERT(static_cast<SwizzleSource>(casted) == source); + return casted; +} + +} // Anonymous namespace + +ImageViewInfo::ImageViewInfo(const TICEntry& config, s32 base_layer) noexcept + : format{PixelFormatFromTIC(config)}, x_source{CastSwizzle(config.x_source)}, + y_source{CastSwizzle(config.y_source)}, z_source{CastSwizzle(config.z_source)}, + w_source{CastSwizzle(config.w_source)} { + range.base = SubresourceBase{ + .level = static_cast<s32>(config.res_min_mip_level), + .layer = base_layer, + }; + range.extent.levels = config.res_max_mip_level - config.res_min_mip_level + 1; + + switch (config.texture_type) { + case TextureType::Texture1D: + ASSERT(config.Height() == 1); + ASSERT(config.Depth() == 1); + type = ImageViewType::e1D; + break; + case TextureType::Texture2D: + case TextureType::Texture2DNoMipmap: + ASSERT(config.Depth() == 1); + type = config.normalized_coords ? ImageViewType::e2D : ImageViewType::Rect; + break; + case TextureType::Texture3D: + type = ImageViewType::e3D; + break; + case TextureType::TextureCubemap: + ASSERT(config.Depth() == 1); + type = ImageViewType::Cube; + range.extent.layers = 6; + break; + case TextureType::Texture1DArray: + type = ImageViewType::e1DArray; + range.extent.layers = config.Depth(); + break; + case TextureType::Texture2DArray: + type = ImageViewType::e2DArray; + range.extent.layers = config.Depth(); + break; + case TextureType::Texture1DBuffer: + type = ImageViewType::Buffer; + break; + case TextureType::TextureCubeArray: + type = ImageViewType::CubeArray; + range.extent.layers = config.Depth() * 6; + break; + default: + UNREACHABLE_MSG("Invalid texture_type={}", static_cast<int>(config.texture_type.Value())); + break; + } +} + +ImageViewInfo::ImageViewInfo(ImageViewType type_, PixelFormat format_, + SubresourceRange range_) noexcept + : type{type_}, format{format_}, range{range_}, x_source{RENDER_TARGET_SWIZZLE}, + y_source{RENDER_TARGET_SWIZZLE}, z_source{RENDER_TARGET_SWIZZLE}, + w_source{RENDER_TARGET_SWIZZLE} {} + +bool ImageViewInfo::IsRenderTarget() const noexcept { + return x_source == RENDER_TARGET_SWIZZLE && y_source == RENDER_TARGET_SWIZZLE && + z_source == RENDER_TARGET_SWIZZLE && w_source == RENDER_TARGET_SWIZZLE; +} + +} // namespace VideoCommon |