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graphicsdriver/metal: Refactoring

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This commit is contained in:
Hajime Hoshi 2020-08-08 18:05:58 +09:00
parent caad187cd3
commit 2b89710600
1 changed files with 2 additions and 5 deletions
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7
internal/graphicsdriver/metal/graphics.go
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@ -116,11 +116,12 @@ inline float2 AdjustTexelByAddress<ADDRESS_REPEAT>(float2 p, float4 source_regio
template<uint8_t filter, uint8_t address> template<uint8_t filter, uint8_t address>
struct ColorFromTexel; struct ColorFromTexel;
constexpr sampler texture_sampler{filter::nearest};
template<> template<>
struct ColorFromTexel<FILTER_NEAREST, ADDRESS_UNSAFE> { struct ColorFromTexel<FILTER_NEAREST, ADDRESS_UNSAFE> {
inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) { inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
float2 p = v.tex; float2 p = v.tex;
constexpr sampler texture_sampler(filter::nearest);
return texture.sample(texture_sampler, p); return texture.sample(texture_sampler, p);
} }
}; };
@ -133,7 +134,6 @@ struct ColorFromTexel<FILTER_NEAREST, address> {
source_region[1] <= p.y && source_region[1] <= p.y &&
p.x < source_region[2] && p.x < source_region[2] &&
p.y < source_region[3]) { p.y < source_region[3]) {
constexpr sampler texture_sampler(filter::nearest);
return texture.sample(texture_sampler, p); return texture.sample(texture_sampler, p);
} }
return 0.0; return 0.0;
@ -143,7 +143,6 @@ struct ColorFromTexel<FILTER_NEAREST, address> {
template<> template<>
struct ColorFromTexel<FILTER_LINEAR, ADDRESS_UNSAFE> { struct ColorFromTexel<FILTER_LINEAR, ADDRESS_UNSAFE> {
inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) { inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
constexpr sampler texture_sampler(filter::nearest);
const float2 texel_size = 1 / source_size; const float2 texel_size = 1 / source_size;
// Shift 1/512 [texel] to avoid the tie-breaking issue. // Shift 1/512 [texel] to avoid the tie-breaking issue.
@ -164,7 +163,6 @@ struct ColorFromTexel<FILTER_LINEAR, ADDRESS_UNSAFE> {
template<uint8_t address> template<uint8_t address>
struct ColorFromTexel<FILTER_LINEAR, address> { struct ColorFromTexel<FILTER_LINEAR, address> {
inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) { inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
constexpr sampler texture_sampler(filter::nearest);
const float2 texel_size = 1 / source_size; const float2 texel_size = 1 / source_size;
// Shift 1/512 [texel] to avoid the tie-breaking issue. // Shift 1/512 [texel] to avoid the tie-breaking issue.
@ -204,7 +202,6 @@ struct ColorFromTexel<FILTER_LINEAR, address> {
template<uint8_t address> template<uint8_t address>
struct ColorFromTexel<FILTER_SCREEN, address> { struct ColorFromTexel<FILTER_SCREEN, address> {
inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) { inline float4 Do(VertexOut v, texture2d<float> texture, constant float2& source_size, float scale, constant float4& source_region) {
constexpr sampler texture_sampler(filter::nearest);
const float2 texel_size = 1 / source_size; const float2 texel_size = 1 / source_size;
float2 p0 = v.tex - texel_size / 2.0 / scale + (texel_size / 512.0); float2 p0 = v.tex - texel_size / 2.0 / scale + (texel_size / 512.0);