mirror of
https://github.com/red-prig/fpPS4.git
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99 lines
2.2 KiB
Plaintext
99 lines
2.2 KiB
Plaintext
#version 450
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layout (local_size_x = 16, local_size_y = 16) in;
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layout (binding = 0) readonly buffer Host
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{
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uint data[];
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} host;
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layout (binding = 1, rgba8) writeonly uniform image2D resultImage;
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layout (push_constant) uniform constants
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{
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vec4 gamma;
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ivec2 pitch;
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} cfg;
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const ivec2 sh02 = ivec2(0,2);
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const ivec4 sh1212 = ivec4(1,2,1,2);
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const ivec4 sh1345 = ivec4(1,3,4,5);
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const ivec3 sh345 = ivec3(3,4,5);
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const ivec3 sh678 = ivec3(6,7,8);
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const ivec4 sh6789 = ivec4(6,7,8,9);
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const ivec4 sh6543 = ivec4(6,5,4,3);
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const ivec4 sh9101112 = ivec4(9,10,11,12);
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const ivec2 i2_1 = ivec2(1,1);
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const ivec3 i3_1 = ivec3(1,1,1);
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const ivec4 i4_1 = ivec4(1,1,1,1);
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int getElementIndex(ivec2 p) //[0..5]
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{
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ivec2 t1=(p.xy & i2_1) << sh02;
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ivec4 t2=((p.xxyy >> sh1212) & i4_1) << sh1345;
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t1=t1 | t2.xy | t2.zw;
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return t1.x | t1.y;
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}
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int getPipeIndex(ivec2 p) //[6..8]
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{
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ivec3 t=(((p.xxx >> sh345) ^ (p.yyy >> sh345) ^ ivec3(p.x>>4,0,0)) & i3_1) << sh678;
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return t.x | t.y | t.z;
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}
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int getBankIndex(ivec2 p) //[9..12]
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{
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ivec4 bank=(((p.xxxx >> sh6789) ^ (p.yyyy >> sh6543) ^ ivec4(0,p.y>>6,0,0)) & i4_1) << sh9101112;
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ivec2 t=bank.xy | bank.zw;
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return t.x | t.y;
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}
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void main()
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{
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ivec2 pixelCoords = ivec2(gl_GlobalInvocationID.xy);
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int element_index=getElementIndex(pixelCoords);
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int pipe=getPipeIndex(pixelCoords);
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int bank=getBankIndex(pixelCoords);
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//const ivec4 shmt = ivec4(7,6,6,3);
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const ivec2 shmt = ivec2(7,6);
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//const ivec2 bmod = ivec2(1,1);
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//ivec4 mt=(pixelCoords.xyxy >> shmt);
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ivec2 mt=(pixelCoords.xy >> shmt);
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ivec2 total_offset=(mt.xy*cfg.pitch);
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//+(mt.zw % bmod);
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int offset = element_index | pipe | bank | ((total_offset.x+total_offset.y) << 13);
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uint pack=host.data[offset];
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////const uvec4 shift = uvec4(16,8,0,24);
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////const uvec4 mask4 = uvec4(255,255,255,255);
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////uvec4 pix_int=(uvec4(pack,pack,pack,pack) >> shift) & mask4;
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//0,8,16,24
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//R,G, B,A
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//16,8,0,24
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//BGRA
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////vec4 pixel = vec4(pix_int) / mask4;
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vec4 pixel=unpackUnorm4x8(pack);
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pixel=pixel.bgra;
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pixel = pow(pixel, cfg.gamma);
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imageStore(resultImage, pixelCoords, pixel);
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}
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