mirror of https://github.com/mgba-emu/mgba.git
GBA Video: Don't repeat yourself
This commit is contained in:
Vicki Pfau
parent
e15cca9623
commit
cbe87be222
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@ -233,6 +233,29 @@ static const char* const _interpolate =
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" aff[2] = transform[start + 2].zw;\n"
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" mat[3] = transform[start + 3].xy;\n"
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" aff[3] = transform[start + 3].zw;\n"
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"}\n"
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"ivec2 affineInterpolate() {\n"
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" ivec2 mat[4];\n"
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" ivec2 offset[4];\n"
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" vec2 incoord = texCoord;\n"
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" if (mosaic.x > 1) {\n"
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" incoord.x = float(MOSAIC(incoord.x, mosaic.x));\n"
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" }\n"
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" if (mosaic.y > 1) {\n"
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" incoord.y = float(MOSAIC(incoord.y, mosaic.y));\n"
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" }\n"
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" loadAffine(int(incoord.y), mat, offset);\n"
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" float y = fract(incoord.y);\n"
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" float start = 2. / 3.;\n"
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" if (int(incoord.y) - range.x < 4) {\n"
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" y = incoord.y - float(range.x);\n"
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" start -= 1.;\n"
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" }\n"
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" float lin = start + y / 3.;\n"
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" vec2 mixedTransform = interpolate(mat, lin);\n"
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" vec2 mixedOffset = interpolate(offset, lin);\n"
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" return ivec2(mixedTransform * incoord.x + mixedOffset);\n"
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"}\n";
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static const char* const _renderMode2 =
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@ -250,8 +273,7 @@ static const char* const _renderMode2 =
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"OUT(0) out vec4 color;\n"
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"int fetchTile(ivec2 coord);\n"
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"vec2 interpolate(ivec2 arr[4], float x);\n"
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"void loadAffine(int y, out ivec2 mat[4], out ivec2 aff[4]);\n"
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"ivec2 affineInterpolate();\n"
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"int renderTile(ivec2 coord) {\n"
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" int map = (coord.x >> 11) + (((coord.y >> 7) & 0x7F0) << size);\n"
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@ -278,26 +300,7 @@ static const char* const _renderMode2 =
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"}\n"
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"void main() {\n"
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" ivec2 mat[4];\n"
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" ivec2 offset[4];\n"
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" vec2 incoord = texCoord;\n"
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" if (mosaic.x > 1) {\n"
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" incoord.x = float(MOSAIC(incoord.x, mosaic.x));\n"
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" }\n"
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" if (mosaic.y > 1) {\n"
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" incoord.y = float(MOSAIC(incoord.y, mosaic.y));\n"
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" }\n"
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" loadAffine(int(incoord.y), mat, offset);\n"
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" float y = fract(incoord.y);\n"
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" float start = 2. / 3.;\n"
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" if (int(incoord.y) - range.x < 4) {\n"
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" y = incoord.y - float(range.x);\n"
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" start -= 1.;\n"
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" }\n"
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" float lin = start + y / 3.;\n"
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" vec2 mixedTransform = interpolate(mat, lin);\n"
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" vec2 mixedOffset = interpolate(offset, lin);\n"
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" int paletteEntry = fetchTile(ivec2(mixedTransform * incoord.x + mixedOffset));\n"
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" int paletteEntry = fetchTile(affineInterpolate());\n"
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" color = texelFetch(palette, ivec2(paletteEntry, int(texCoord.y)), 0);\n"
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"}";
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@ -325,30 +328,10 @@ static const char* const _renderMode35 =
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"uniform ivec2 mosaic;\n"
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"OUT(0) out vec4 color;\n"
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"vec2 interpolate(ivec2 arr[4], float x);\n"
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"void loadAffine(int y, out ivec2 mat[4], out ivec2 aff[4]);\n"
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"ivec2 affineInterpolate();\n"
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"void main() {\n"
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" ivec2 mat[4];\n"
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" ivec2 offset[4];\n"
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" vec2 incoord = texCoord;\n"
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" if (mosaic.x > 1) {\n"
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" incoord.x = float(MOSAIC(incoord.x, mosaic.x));\n"
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" }\n"
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" if (mosaic.y > 1) {\n"
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" incoord.y = float(MOSAIC(incoord.y, mosaic.y));\n"
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" }\n"
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" loadAffine(int(incoord.y), mat, offset);\n"
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" float y = fract(incoord.y);\n"
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" float start = 2. / 3.;\n"
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" if (int(incoord.y) - range.x < 4) {\n"
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" y = incoord.y - float(range.x);\n"
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" start -= 1.;\n"
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" }\n"
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" float lin = start + y / 3.;\n"
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" vec2 mixedTransform = interpolate(mat, lin);\n"
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" vec2 mixedOffset = interpolate(offset, lin);\n"
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" ivec2 coord = ivec2(mixedTransform * incoord.x + mixedOffset);\n"
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" ivec2 coord = affineInterpolate();\n"
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" if (coord.x < 0 || coord.x >= (size.x << 8)) {\n"
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" discard;\n"
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" }\n"
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@ -386,30 +369,10 @@ static const char* const _renderMode4 =
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"uniform ivec2 mosaic;\n"
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"OUT(0) out vec4 color;\n"
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"vec2 interpolate(ivec2 arr[4], float x);\n"
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"void loadAffine(int y, out ivec2 mat[4], out ivec2 aff[4]);\n"
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"ivec2 affineInterpolate();\n"
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"void main() {\n"
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" ivec2 mat[4];\n"
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" ivec2 offset[4];\n"
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" vec2 incoord = texCoord;\n"
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" if (mosaic.x > 1) {\n"
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" incoord.x = float(MOSAIC(incoord.x, mosaic.x));\n"
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" }\n"
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" if (mosaic.y > 1) {\n"
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" incoord.y = float(MOSAIC(incoord.y, mosaic.y));\n"
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" }\n"
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" loadAffine(int(incoord.y), mat, offset);\n"
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" float y = fract(incoord.y);\n"
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" float start = 2. / 3.;\n"
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" if (int(incoord.y) - range.x < 4) {\n"
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" y = incoord.y - float(range.x);\n"
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" start -= 1.;\n"
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" }\n"
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" float lin = start + y / 3.;\n"
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" vec2 mixedTransform = interpolate(mat, lin);\n"
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" vec2 mixedOffset = interpolate(offset, lin);\n"
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" ivec2 coord = ivec2(mixedTransform * incoord.x + mixedOffset);\n"
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" ivec2 coord = affineInterpolate();\n"
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" if (coord.x < 0 || coord.x >= (size.x << 8)) {\n"
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" discard;\n"
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" }\n"
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