From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Fri, 6 Mar 2026 13:30:59 -0800
Subject: Move contrib libraries to contrib repo

---
 contrib/SDL-3.2.8/src/gpu/metal/Metal_Blit.metal | 110 -----------------------
 1 file changed, 110 deletions(-)
 delete mode 100644 contrib/SDL-3.2.8/src/gpu/metal/Metal_Blit.metal

(limited to 'contrib/SDL-3.2.8/src/gpu/metal/Metal_Blit.metal')

diff --git a/contrib/SDL-3.2.8/src/gpu/metal/Metal_Blit.metal b/contrib/SDL-3.2.8/src/gpu/metal/Metal_Blit.metal
deleted file mode 100644
index 212903d..0000000
--- a/contrib/SDL-3.2.8/src/gpu/metal/Metal_Blit.metal
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <metal_stdlib>
-using namespace metal;
-
-struct VertexToFragment {
-    float2 tex;
-    float4 pos [[position]];
-};
-
-struct SourceRegion {
-    float2 UVLeftTop;
-    float2 UVDimensions;
-    uint MipLevel;
-    float LayerOrDepth;
-};
-
-#if COMPILE_FullscreenVert
-vertex VertexToFragment FullscreenVert(uint vI [[vertex_id]]) {
-   float2 inTex = float2((vI << 1) & 2, vI & 2);
-   VertexToFragment out;
-   out.tex = inTex;
-   out.pos = float4(inTex * float2(2.0f, -2.0f) + float2(-1.0f, 1.0f), 0.0f, 1.0f);
-   return out;
-}
-#endif
-
-#if COMPILE_BlitFrom2D
-fragment float4 BlitFrom2D(
-    VertexToFragment input [[stage_in]],
-    constant SourceRegion &sourceRegion [[buffer(0)]],
-    texture2d<float> sourceTexture [[texture(0)]],
-    sampler sourceSampler [[sampler(0)]])
-{
-    float2 newCoord = sourceRegion.UVLeftTop + sourceRegion.UVDimensions * input.tex;
-    return sourceTexture.sample(sourceSampler, newCoord, level(sourceRegion.MipLevel));
-}
-#endif
-
-#if COMPILE_BlitFrom2DArray
-fragment float4 BlitFrom2DArray(
-    VertexToFragment input [[stage_in]],
-    constant SourceRegion &sourceRegion [[buffer(0)]],
-    texture2d_array<float> sourceTexture [[texture(0)]],
-    sampler sourceSampler [[sampler(0)]])
-{
-    float2 newCoord = sourceRegion.UVLeftTop + sourceRegion.UVDimensions * input.tex;
-    return sourceTexture.sample(sourceSampler, newCoord, (uint)sourceRegion.LayerOrDepth, level(sourceRegion.MipLevel));
-}
-#endif
-
-#if COMPILE_BlitFrom3D
-fragment float4 BlitFrom3D(
-    VertexToFragment input [[stage_in]],
-    constant SourceRegion &sourceRegion [[buffer(0)]],
-    texture3d<float> sourceTexture [[texture(0)]],
-    sampler sourceSampler [[sampler(0)]])
-{
-    float2 newCoord = sourceRegion.UVLeftTop + sourceRegion.UVDimensions * input.tex;
-    return sourceTexture.sample(sourceSampler, float3(newCoord, sourceRegion.LayerOrDepth), level(sourceRegion.MipLevel));
-}
-#endif
-
-#if COMPILE_BlitFromCube
-fragment float4 BlitFromCube(
-    VertexToFragment input [[stage_in]],
-    constant SourceRegion &sourceRegion [[buffer(0)]],
-    texturecube<float> sourceTexture [[texture(0)]],
-    sampler sourceSampler [[sampler(0)]])
-{
-    // Thanks, Wikipedia! https://en.wikipedia.org/wiki/Cube_mapping
-    float2 scaledUV = sourceRegion.UVLeftTop + sourceRegion.UVDimensions * input.tex;
-    float u = 2.0 * scaledUV.x - 1.0;
-    float v = 2.0 * scaledUV.y - 1.0;
-    float3 newCoord;
-    switch ((uint)sourceRegion.LayerOrDepth) {
-        case 0: newCoord = float3(1.0, -v, -u); break; // POSITIVE X
-        case 1: newCoord = float3(-1.0, -v, u); break; // NEGATIVE X
-        case 2: newCoord = float3(u, 1.0, -v); break; // POSITIVE Y
-        case 3: newCoord = float3(u, -1.0, v); break; // NEGATIVE Y
-        case 4: newCoord = float3(u, -v, 1.0); break; // POSITIVE Z
-        case 5: newCoord = float3(-u, -v, -1.0); break; // NEGATIVE Z
-        default: newCoord = float3(0, 0, 0); break; // silences warning
-    }
-    return sourceTexture.sample(sourceSampler, newCoord, level(sourceRegion.MipLevel));
-}
-#endif
-
-#if COMPILE_BlitFromCubeArray
-fragment float4 BlitFromCubeArray(
-    VertexToFragment input [[stage_in]],
-    constant SourceRegion &sourceRegion [[buffer(0)]],
-    texturecube_array<float> sourceTexture [[texture(0)]],
-    sampler sourceSampler [[sampler(0)]])
-{
-    // Thanks, Wikipedia! https://en.wikipedia.org/wiki/Cube_mapping
-    float2 scaledUV = sourceRegion.UVLeftTop + sourceRegion.UVDimensions * input.tex;
-    float u = 2.0 * scaledUV.x - 1.0;
-    float v = 2.0 * scaledUV.y - 1.0;
-    float3 newCoord;
-    switch (((uint)sourceRegion.LayerOrDepth) % 6) {
-        case 0: newCoord = float3(1.0, -v, -u); break; // POSITIVE X
-        case 1: newCoord = float3(-1.0, -v, u); break; // NEGATIVE X
-        case 2: newCoord = float3(u, 1.0, -v); break; // POSITIVE Y
-        case 3: newCoord = float3(u, -1.0, v); break; // NEGATIVE Y
-        case 4: newCoord = float3(u, -v, 1.0); break; // POSITIVE Z
-        case 5: newCoord = float3(-u, -v, -1.0); break; // NEGATIVE Z
-        default: newCoord = float3(0, 0, 0); break; // silences warning
-    }
-    return sourceTexture.sample(sourceSampler, newCoord, (uint)sourceRegion.LayerOrDepth / 6, level(sourceRegion.MipLevel));
-}
-#endif
-- 
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