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-rw-r--r--src/video_core/CMakeLists.txt2
-rw-r--r--src/video_core/compatible_formats.cpp162
-rw-r--r--src/video_core/compatible_formats.h32
3 files changed, 196 insertions, 0 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 2dc752aa9..21c46a567 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -3,6 +3,8 @@ add_library(video_core STATIC
buffer_cache/buffer_cache.h
buffer_cache/map_interval.cpp
buffer_cache/map_interval.h
+ compatible_formats.cpp
+ compatible_formats.h
dirty_flags.cpp
dirty_flags.h
dma_pusher.cpp
diff --git a/src/video_core/compatible_formats.cpp b/src/video_core/compatible_formats.cpp
new file mode 100644
index 000000000..01e5c26ae
--- /dev/null
+++ b/src/video_core/compatible_formats.cpp
@@ -0,0 +1,162 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <array>
+#include <bitset>
+#include <cstddef>
+
+#include "video_core/compatible_formats.h"
+#include "video_core/surface.h"
+
+namespace VideoCore::Surface {
+
+namespace {
+
+// Compatibility table taken from Table 3.X.2 in:
+// https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_texture_view.txt
+
+constexpr std::array VIEW_CLASS_128_BITS = {
+ PixelFormat::RGBA32F,
+ PixelFormat::RGBA32UI,
+};
+// Missing formats:
+// PixelFormat::RGBA32I
+
+constexpr std::array VIEW_CLASS_96_BITS = {
+ PixelFormat::RGB32F,
+};
+// Missing formats:
+// PixelFormat::RGB32UI,
+// PixelFormat::RGB32I,
+
+constexpr std::array VIEW_CLASS_64_BITS = {
+ PixelFormat::RGBA16F, PixelFormat::RG32F, PixelFormat::RGBA16UI, PixelFormat::RG32UI,
+ PixelFormat::RGBA16U, PixelFormat::RGBA16F, PixelFormat::RGBA16S,
+};
+// Missing formats:
+// PixelFormat::RGBA16I
+// PixelFormat::RG32I
+
+// TODO: How should we handle 48 bits?
+
+constexpr std::array VIEW_CLASS_32_BITS = {
+ PixelFormat::RG16F, PixelFormat::R11FG11FB10F, PixelFormat::R32F,
+ PixelFormat::A2B10G10R10U, PixelFormat::RG16UI, PixelFormat::R32UI,
+ PixelFormat::RG16I, PixelFormat::R32I, PixelFormat::ABGR8U,
+ PixelFormat::RG16, PixelFormat::ABGR8S, PixelFormat::RG16S,
+ PixelFormat::RGBA8_SRGB, PixelFormat::E5B9G9R9F, PixelFormat::BGRA8,
+ PixelFormat::BGRA8_SRGB,
+};
+// Missing formats:
+// PixelFormat::RGBA8UI
+// PixelFormat::RGBA8I
+// PixelFormat::RGB10_A2_UI
+
+// TODO: How should we handle 24 bits?
+
+constexpr std::array VIEW_CLASS_16_BITS = {
+ PixelFormat::R16F, PixelFormat::RG8UI, PixelFormat::R16UI, PixelFormat::R16I,
+ PixelFormat::RG8U, PixelFormat::R16U, PixelFormat::RG8S, PixelFormat::R16S,
+};
+// Missing formats:
+// PixelFormat::RG8I
+
+constexpr std::array VIEW_CLASS_8_BITS = {
+ PixelFormat::R8UI,
+ PixelFormat::R8U,
+};
+// Missing formats:
+// PixelFormat::R8I
+// PixelFormat::R8S
+
+constexpr std::array VIEW_CLASS_RGTC1_RED = {
+ PixelFormat::DXN1,
+};
+// Missing formats:
+// COMPRESSED_SIGNED_RED_RGTC1
+
+constexpr std::array VIEW_CLASS_RGTC2_RG = {
+ PixelFormat::DXN2UNORM,
+ PixelFormat::DXN2SNORM,
+};
+
+constexpr std::array VIEW_CLASS_BPTC_UNORM = {
+ PixelFormat::BC7U,
+ PixelFormat::BC7U_SRGB,
+};
+
+constexpr std::array VIEW_CLASS_BPTC_FLOAT = {
+ PixelFormat::BC6H_SF16,
+ PixelFormat::BC6H_UF16,
+};
+
+// Compatibility table taken from Table 4.X.1 in:
+// https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_copy_image.txt
+
+constexpr std::array COPY_CLASS_128_BITS = {
+ PixelFormat::RGBA32UI, PixelFormat::RGBA32F, PixelFormat::DXT23,
+ PixelFormat::DXT23_SRGB, PixelFormat::DXT45, PixelFormat::DXT45_SRGB,
+ PixelFormat::DXN2SNORM, PixelFormat::BC7U, PixelFormat::BC7U_SRGB,
+ PixelFormat::BC6H_SF16, PixelFormat::BC6H_UF16,
+};
+// Missing formats:
+// PixelFormat::RGBA32I
+// COMPRESSED_RG_RGTC2
+
+constexpr std::array COPY_CLASS_64_BITS = {
+ PixelFormat::RGBA16F, PixelFormat::RG32F, PixelFormat::RGBA16UI, PixelFormat::RG32UI,
+ PixelFormat::RGBA16U, PixelFormat::RGBA16S, PixelFormat::DXT1_SRGB, PixelFormat::DXT1,
+
+};
+// Missing formats:
+// PixelFormat::RGBA16I
+// PixelFormat::RG32I,
+// COMPRESSED_RGB_S3TC_DXT1_EXT
+// COMPRESSED_SRGB_S3TC_DXT1_EXT
+// COMPRESSED_RGBA_S3TC_DXT1_EXT
+// COMPRESSED_SIGNED_RED_RGTC1
+
+void Enable(FormatCompatibility::Table& compatiblity, size_t format_a, size_t format_b) {
+ compatiblity[format_a][format_b] = true;
+ compatiblity[format_b][format_a] = true;
+}
+
+void Enable(FormatCompatibility::Table& compatibility, PixelFormat format_a, PixelFormat format_b) {
+ Enable(compatibility, static_cast<size_t>(format_a), static_cast<size_t>(format_b));
+}
+
+template <typename Range>
+void EnableRange(FormatCompatibility::Table& compatibility, const Range& range) {
+ for (auto it_a = range.begin(); it_a != range.end(); ++it_a) {
+ for (auto it_b = it_a; it_b != range.end(); ++it_b) {
+ Enable(*it_a, *it_b);
+ }
+ }
+}
+
+} // Anonymous namespace
+
+FormatCompatibility::FormatCompatibility() {
+ for (size_t i = 0; i < MaxPixelFormat; ++i) {
+ // Identity is allowed
+ Enable(view, i, i);
+ }
+
+ EnableRange(view, VIEW_CLASS_128_BITS);
+ EnableRange(view, VIEW_CLASS_96_BITS);
+ EnableRange(view, VIEW_CLASS_64_BITS);
+ EnableRange(view, VIEW_CLASS_32_BITS);
+ EnableRange(view, VIEW_CLASS_16_BITS);
+ EnableRange(view, VIEW_CLASS_8_BITS);
+ EnableRange(view, VIEW_CLASS_RGTC1_RED);
+ EnableRange(view, VIEW_CLASS_RGTC2_RG);
+ EnableRange(view, VIEW_CLASS_BPTC_UNORM);
+ EnableRange(view, VIEW_CLASS_BPTC_FLOAT);
+
+ copy = view;
+ EnableRange(copy, COPY_CLASS_128_BITS);
+ EnableRange(copy, COPY_CLASS_64_BITS);
+}
+
+} // namespace VideoCore::Surface
diff --git a/src/video_core/compatible_formats.h b/src/video_core/compatible_formats.h
new file mode 100644
index 000000000..d1082566d
--- /dev/null
+++ b/src/video_core/compatible_formats.h
@@ -0,0 +1,32 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <array>
+#include <bitset>
+#include <cstddef>
+
+#include "video_core/surface.h"
+
+namespace VideoCore::Surface {
+
+class FormatCompatibility {
+public:
+ using Table = std::array<std::bitset<MaxPixelFormat>, MaxPixelFormat>;
+
+ explicit FormatCompatibility();
+
+ bool TestView(PixelFormat format_a, PixelFormat format_b) const noexcept {
+ return view[static_cast<size_t>(format_a)][static_cast<size_t>(format_b)];
+ }
+
+ bool TestCopy(PixelFormat format_a, PixelFormat format_b) const noexcept {
+ return copy[static_cast<size_t>(format_a)][static_cast<size_t>(format_b)];
+ }
+
+private:
+ Table view;
+ Table copy;
+};
+
+} // namespace VideoCore::Surface
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-20 02:34:59 +0200