gpu: fix filename case sensitivity

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

gpu/src/texture.zig

@@ -0,0 +1,161 @@
+const std = @import("std");
+
+pub const Texture = enum(usize) {
+    _,
+
+    // TODO: verify there is a use case for nullable value of this type.
+    pub const none: Texture = @intToEnum(Texture, 0);
+
+    pub const Aspect = enum(u32) {
+        all = 0x00000000,
+        stencil_only = 0x00000001,
+        depth_only = 0x00000002,
+        plane0_only = 0x00000003,
+        plane1_only = 0x00000004,
+    };
+
+    pub const ComponentType = enum(u32) {
+        float = 0x00000000,
+        sint = 0x00000001,
+        uint = 0x00000002,
+        depth_comparison = 0x00000003,
+    };
+
+    pub const Dimension = enum(u32) {
+        dimension_1d = 0x00000000,
+        dimension_2d = 0x00000001,
+        dimension_3d = 0x00000002,
+    };
+
+    pub const Format = enum(u32) {
+        undef = 0x00000000,
+        r8_unorm = 0x00000001,
+        r8_snorm = 0x00000002,
+        r8_uint = 0x00000003,
+        r8_sint = 0x00000004,
+        r16_uint = 0x00000005,
+        r16_sint = 0x00000006,
+        r16_float = 0x00000007,
+        rg8_unorm = 0x00000008,
+        rg8_snorm = 0x00000009,
+        rg8_uint = 0x0000000a,
+        rg8_sint = 0x0000000b,
+        r32_float = 0x0000000c,
+        r32_uint = 0x0000000d,
+        r32_sint = 0x0000000e,
+        rg16_uint = 0x0000000f,
+        rg16_sint = 0x00000010,
+        rg16_float = 0x00000011,
+        rgba8_unorm = 0x00000012,
+        rgba8_unorm_srgb = 0x00000013,
+        rgba8_snorm = 0x00000014,
+        rgba8_uint = 0x00000015,
+        rgba8_sint = 0x00000016,
+        bgra8_unorm = 0x00000017,
+        bgra8_unorm_srgb = 0x00000018,
+        rgb10_a2_unorm = 0x00000019,
+        rg11_b10_ufloat = 0x0000001a,
+        rgb9_e5_ufloat = 0x0000001b,
+        rg32_float = 0x0000001c,
+        rg32_uint = 0x0000001d,
+        rg32_sint = 0x0000001e,
+        rgba16_uint = 0x0000001f,
+        rgba16_sint = 0x00000020,
+        rgba16_float = 0x00000021,
+        rgba32_float = 0x00000022,
+        rgba32_uint = 0x00000023,
+        rgba32_sint = 0x00000024,
+        stencil8 = 0x00000025,
+        depth16_unorm = 0x00000026,
+        depth24_plus = 0x00000027,
+        depth24_plus_stencil8 = 0x00000028,
+        depth32_float = 0x00000029,
+        depth32_float_stencil8 = 0x0000002a,
+        bc1_rgba_unorm = 0x0000002b,
+        bc1_rgba_unorm_srgb = 0x0000002c,
+        bc2_rgba_unorm = 0x0000002d,
+        bc2_rgba_unorm_srgb = 0x0000002e,
+        bc3_rgba_unorm = 0x0000002f,
+        bc3_rgba_unorm_srgb = 0x00000030,
+        bc4_runorm = 0x00000031,
+        bc4_rsnorm = 0x00000032,
+        bc5_rg_unorm = 0x00000033,
+        bc5_rg_snorm = 0x00000034,
+        bc6_hrgb_ufloat = 0x00000035,
+        bc6_hrgb_float = 0x00000036,
+        bc7_rgba_unorm = 0x00000037,
+        bc7_rgba_unorm_srgb = 0x00000038,
+        etc2_rgb8_unorm = 0x00000039,
+        etc2_rgb8_unorm_srgb = 0x0000003a,
+        etc2_rgb8_a1_unorm = 0x0000003b,
+        etc2_rgb8_a1_unorm_srgb = 0x0000003c,
+        etc2_rgba8_unorm = 0x0000003d,
+        etc2_rgba8_unorm_srgb = 0x0000003e,
+        eacr11_unorm = 0x0000003f,
+        eacr11_snorm = 0x00000040,
+        eacrg11_unorm = 0x00000041,
+        eacrg11_snorm = 0x00000042,
+        astc4x4_unorm = 0x00000043,
+        astc4x4_unorm_srgb = 0x00000044,
+        astc5x4_unorm = 0x00000045,
+        astc5x4_unorm_srgb = 0x00000046,
+        astc5x5_unorm = 0x00000047,
+        astc5x5_unorm_srgb = 0x00000048,
+        astc6x5_unorm = 0x00000049,
+        astc6x5_unorm_srgb = 0x0000004a,
+        astc6x6_unorm = 0x0000004b,
+        astc6x6_unorm_srgb = 0x0000004c,
+        astc8x5_unorm = 0x0000004d,
+        astc8x5_unorm_srgb = 0x0000004e,
+        astc8x6_unorm = 0x0000004f,
+        astc8x6_unorm_srgb = 0x00000050,
+        astc8x8_unorm = 0x00000051,
+        astc8x8_unorm_srgb = 0x00000052,
+        astc10x5_unorm = 0x00000053,
+        astc10x5_unorm_srgb = 0x00000054,
+        astc10x6_unorm = 0x00000055,
+        astc10x6_unorm_srgb = 0x00000056,
+        astc10x8_unorm = 0x00000057,
+        astc10x8_unorm_srgb = 0x00000058,
+        astc10x10_unorm = 0x00000059,
+        astc10x10_unorm_srgb = 0x0000005a,
+        astc12x10_unorm = 0x0000005b,
+        astc12x10_unorm_srgb = 0x0000005c,
+        astc12x12_unorm = 0x0000005d,
+        astc12x12_unorm_srgb = 0x0000005e,
+        r8_bg8_biplanar420_unorm = 0x0000005f,
+    };
+
+    pub const SampleType = enum(u32) {
+        undef = 0x00000000,
+        float = 0x00000001,
+        unfilterable_float = 0x00000002,
+        depth = 0x00000003,
+        sint = 0x00000004,
+        uint = 0x00000005,
+    };
+
+    pub const Usage = packed struct {
+        copy_src: bool = false,
+        copy_dst: bool = false,
+        texture_binding: bool = false,
+        storage_binding: bool = false,
+        render_attachment: bool = false,
+        present: bool = false,
+
+        _padding: u26 = 0,
+
+        comptime {
+            std.debug.assert(
+                @sizeOf(@This()) == @sizeOf(u32) and
+                    @bitSizeOf(@This()) == @bitSizeOf(u32),
+            );
+        }
+
+        pub const none = Usage{};
+
+        pub fn equal(a: Usage, b: Usage) bool {
+            return @truncate(u6, @bitCast(u32, a)) == @truncate(u6, @bitCast(u32, b));
+        }
+    };
+};