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graphicsdriver/metal: Refactoring
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caad187cd3
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@ -116,11 +116,12 @@ inline float2 AdjustTexelByAddress<ADDRESS_REPEAT>(float2 p, float4 source_regio
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template<uint8_t filter, uint8_t address>
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template<uint8_t filter, uint8_t address>
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struct ColorFromTexel;
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struct ColorFromTexel;
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constexpr sampler texture_sampler{filter::nearest};
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template<>
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template<>
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struct ColorFromTexel<FILTER_NEAREST, ADDRESS_UNSAFE> {
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struct ColorFromTexel<FILTER_NEAREST, ADDRESS_UNSAFE> {
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inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
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inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
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float2 p = v.tex;
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float2 p = v.tex;
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constexpr sampler texture_sampler(filter::nearest);
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return texture.sample(texture_sampler, p);
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return texture.sample(texture_sampler, p);
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}
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}
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};
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};
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@ -133,7 +134,6 @@ struct ColorFromTexel<FILTER_NEAREST, address> {
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source_region[1] <= p.y &&
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source_region[1] <= p.y &&
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p.x < source_region[2] &&
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p.x < source_region[2] &&
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p.y < source_region[3]) {
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p.y < source_region[3]) {
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constexpr sampler texture_sampler(filter::nearest);
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return texture.sample(texture_sampler, p);
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return texture.sample(texture_sampler, p);
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}
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}
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return 0.0;
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return 0.0;
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@ -143,7 +143,6 @@ struct ColorFromTexel<FILTER_NEAREST, address> {
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template<>
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template<>
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struct ColorFromTexel<FILTER_LINEAR, ADDRESS_UNSAFE> {
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struct ColorFromTexel<FILTER_LINEAR, ADDRESS_UNSAFE> {
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inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
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inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
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constexpr sampler texture_sampler(filter::nearest);
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const float2 texel_size = 1 / source_size;
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const float2 texel_size = 1 / source_size;
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// Shift 1/512 [texel] to avoid the tie-breaking issue.
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// Shift 1/512 [texel] to avoid the tie-breaking issue.
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@ -164,7 +163,6 @@ struct ColorFromTexel<FILTER_LINEAR, ADDRESS_UNSAFE> {
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template<uint8_t address>
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template<uint8_t address>
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struct ColorFromTexel<FILTER_LINEAR, address> {
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struct ColorFromTexel<FILTER_LINEAR, address> {
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inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
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inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
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constexpr sampler texture_sampler(filter::nearest);
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const float2 texel_size = 1 / source_size;
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const float2 texel_size = 1 / source_size;
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// Shift 1/512 [texel] to avoid the tie-breaking issue.
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// Shift 1/512 [texel] to avoid the tie-breaking issue.
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@ -204,7 +202,6 @@ struct ColorFromTexel<FILTER_LINEAR, address> {
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template<uint8_t address>
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template<uint8_t address>
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struct ColorFromTexel<FILTER_SCREEN, address> {
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struct ColorFromTexel<FILTER_SCREEN, address> {
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inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
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inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
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constexpr sampler texture_sampler(filter::nearest);
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const float2 texel_size = 1 / source_size;
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const float2 texel_size = 1 / source_size;
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float2 p0 = v.tex - texel_size / 2.0 / scale + (texel_size / 512.0);
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float2 p0 = v.tex - texel_size / 2.0 / scale + (texel_size / 512.0);
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