1 files changed, 137 insertions, 0 deletions
diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h
new file mode 100644
index 000000000..07936f8a3
--- /dev/null
+++ b/src/video_core/textures/texture.h
@@ -0,0 +1,137 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "video_core/memory_manager.h"
+
+namespace Tegra {
+namespace Texture {
+
+enum class TextureFormat : u32 {
+    A8R8G8B8 = 8,
+    DXT1 = 0x24,
+};
+
+enum class TextureType : u32 {
+    Texture1D = 0,
+    Texture2D = 1,
+    Texture3D = 2,
+    TextureCubemap = 3,
+    Texture1DArray = 4,
+    Texture2DArray = 5,
+    Texture1DBuffer = 6,
+    Texture2DNoMipmap = 7,
+    TextureCubeArray = 8,
+};
+
+enum class TICHeaderVersion : u32 {
+    OneDBuffer = 0,
+    PitchColorKey = 1,
+    Pitch = 2,
+    BlockLinear = 3,
+    BlockLinearColorKey = 4,
+};
+
+union TextureHandle {
+    u32 raw;
+    BitField<0, 20, u32> tic_id;
+    BitField<20, 12, u32> tsc_id;
+};
+static_assert(sizeof(TextureHandle) == 4, "TextureHandle has wrong size");
+
+struct TICEntry {
+    union {
+        u32 raw;
+        BitField<0, 7, TextureFormat> format;
+        BitField<7, 3, u32> r_type;
+        BitField<10, 3, u32> g_type;
+        BitField<13, 3, u32> b_type;
+        BitField<16, 3, u32> a_type;
+    };
+    u32 address_low;
+    union {
+        BitField<0, 16, u32> address_high;
+        BitField<21, 3, TICHeaderVersion> header_version;
+    };
+    INSERT_PADDING_BYTES(4);
+    union {
+        BitField<0, 16, u32> width_minus_1;
+        BitField<23, 4, TextureType> texture_type;
+    };
+    u16 height_minus_1;
+    INSERT_PADDING_BYTES(10);
+
+    GPUVAddr Address() const {
+        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) | address_low);
+    }
+
+    u32 Width() const {
+        return width_minus_1 + 1;
+    }
+
+    u32 Height() const {
+        return height_minus_1 + 1;
+    }
+};
+static_assert(sizeof(TICEntry) == 0x20, "TICEntry has wrong size");
+
+enum class WrapMode : u32 {
+    Wrap = 0,
+    Mirror = 1,
+    ClampToEdge = 2,
+    Border = 3,
+    ClampOGL = 4,
+    MirrorOnceClampToEdge = 5,
+    MirrorOnceBorder = 6,
+    MirrorOnceClampOGL = 7,
+};
+
+enum class TextureFilter : u32 {
+    Nearest = 1,
+    Linear = 2,
+};
+
+enum class TextureMipmapFilter : u32 {
+    None = 1,
+    Nearest = 2,
+    Linear = 3,
+};
+
+struct TSCEntry {
+    union {
+        BitField<0, 3, WrapMode> wrap_u;
+        BitField<3, 3, WrapMode> wrap_v;
+        BitField<6, 3, WrapMode> wrap_p;
+        BitField<9, 1, u32> depth_compare_enabled;
+        BitField<10, 3, u32> depth_compare_func;
+    };
+    union {
+        BitField<0, 2, TextureFilter> mag_filter;
+        BitField<4, 2, TextureFilter> min_filter;
+        BitField<6, 2, TextureMipmapFilter> mip_filter;
+    };
+    INSERT_PADDING_BYTES(8);
+    u32 border_color_r;
+    u32 border_color_g;
+    u32 border_color_b;
+    u32 border_color_a;
+};
+static_assert(sizeof(TSCEntry) == 0x20, "TSCEntry has wrong size");
+
+struct FullTextureInfo {
+    u32 index;
+    TICEntry tic;
+    TSCEntry tsc;
+    bool enabled;
+};
+
+/// Returns the number of bytes per pixel of the input texture format.
+u32 BytesPerPixel(TextureFormat format);
+
+} // namespace Texture
+} // namespace Tegra