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metal: flip y texture coordinate
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parent
e3ab4c6349
commit
8ff1ce68c3
2 changed files with 14 additions and 12 deletions
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@ -279,10 +279,10 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
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#include <metal_stdlib>
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using namespace metal;
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constant float2 texCoords[] = {
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float2(0.0, -1.0),
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float2(0.0, 1.0),
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float2(2.0, 1.0),
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constant float2 positions[] = {
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float2(-1.0, -3.0),
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float2(-1.0, 1.0),
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float2( 3.0, 1.0),
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};
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struct VertexOut {
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@ -292,8 +292,9 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
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vertex VertexOut vertexMain(uint vid [[vertex_id]]) {
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VertexOut out;
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out.position = float4(texCoords[vid] * 2.0 - 1.0, 0.0, 1.0);
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out.texCoord = texCoords[vid];
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out.position = float4(positions[vid], 0.0, 1.0);
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out.texCoord = positions[vid] * 0.5 + 0.5;
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out.texCoord.y = 1.0 - out.texCoord.y;
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return out;
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}
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@ -80,10 +80,10 @@ void RendererMetal::CreateBlitPipelineState() {
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#include <metal_stdlib>
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using namespace metal;
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constant float2 texCoords[] = {
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float2(0.0, -1.0),
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float2(0.0, 1.0),
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float2(2.0, 1.0),
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constant float2 positions[] = {
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float2(-1.0, -3.0),
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float2(-1.0, 1.0),
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float2( 3.0, 1.0),
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};
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struct VertexOut {
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@ -93,8 +93,9 @@ void RendererMetal::CreateBlitPipelineState() {
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vertex VertexOut vertexMain(uint vid [[vertex_id]]) {
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VertexOut out;
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out.position = float4(texCoords[vid] * 2.0 - 1.0, 0.0, 1.0);
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out.texCoord = texCoords[vid];
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out.position = float4(positions[vid], 0.0, 1.0);
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out.texCoord = positions[vid] * 0.5 + 0.5;
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out.texCoord.y = 1.0 - out.texCoord.y;
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return out;
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}
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