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Hi! This is my first commit so be nice :)
New OpenCL updates: - OpenCL bug with ATI SDK (GPU or CPU) fixed. - IA4 texture loop unrolled. 12x speed up on 4xxx series. - Completed rewriting RGB5A3 texture decode. 20% faster. - Redundant code removed from CMPR and RGB5A3 (Alpha, shift). - Made use of optimised OpenCL functions (upsample, bitselect). - Cleaner code. Tested and working with DX9 plugin. DX11 plugin will NOT work due to a recent commit affecting VideoCommon. You can use this file with an older DX11 plugin (~r5730), however. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5753 8ced0084-cf51-0410-be5f-012b33b47a6e
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xsacha
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c51bb0b010
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@ -65,15 +65,19 @@ kernel void DecodeIA4(global uchar *dst,
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{
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int x = get_global_id(0) * 8, y = get_global_id(1) * 4;
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int srcOffset = ((x * 4) + (y * width)) / 8;
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for (int iy = 0; iy < 4; iy++)
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{
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uchar8 val = vload8(srcOffset++, src);
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uchar16 res;
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res.odd = (val >> (uchar8)4);
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res.even = val & (uchar8)0x0F;
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res |= res << (uchar16)4;
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vstore16(res, 0, dst + ((y + iy)*width + x) * 2);
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}
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uchar8 val;
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uchar16 res;
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dst += 2*(y*width + x);
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#define iterateIA4() \
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val = vload8(srcOffset++, src); \
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res.odd = (val >> (uchar8)4); \
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res.even = val & (uchar8)0x0F; \
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res |= res << (uchar16)4; \
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vstore16(res, 0, dst);
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iterateIA4(); dst += 2*width;
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iterateIA4(); dst += 2*width;
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iterateIA4(); dst += 2*width;
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iterateIA4();
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}
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kernel void DecodeRGBA8(global uchar *dst,
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@ -114,40 +118,34 @@ kernel void DecodeRGB5A3(global uchar *dst,
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int srcOffset = x + (y * width) / 4;
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uchar8 val;
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uchar16 resNoAlpha, resAlpha, res, choice;
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uchar4 gNoAlpha, aAlpha;
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#define iterateRGB5A3() \
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val = vload8(srcOffset++, src); \
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gNoAlpha = (val.even << (uchar4)6) | (val.odd >> (uchar4)2); \
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resNoAlpha.s26AE = bitselect(val.even >> (uchar4)4, val.even << (uchar4)1, (uchar4)0xFFF); \
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resNoAlpha.s159D = bitselect(gNoAlpha >> (uchar4)5, gNoAlpha, (uchar4)0xFFF); \
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resNoAlpha.s048C = bitselect(val.odd >> (uchar4)2, val.odd << (uchar4)3, (uchar4)0xFFF); \
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resNoAlpha.s26AE = val.even << (uchar4)1; \
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resNoAlpha.s159D = val.even << (uchar4)6 | val.odd >> (uchar4)2; \
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resNoAlpha.s048C = val.odd << (uchar4)3; \
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resNoAlpha.s37BF = (uchar4)(0xFF); \
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resAlpha.s26AE = val.even; \
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resAlpha.s159D = val.odd >> (uchar4)4; \
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resAlpha.s048C = val.odd; \
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resAlpha &= (uchar16)0x0F; \
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resAlpha |= (resAlpha << (uchar16)4); \
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resAlpha.s37BF = val.even << (uchar4)1 & (uchar4)0xE0; \
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resAlpha.s37BF |= ((resAlpha.s37BF >> (uchar4)3) & (uchar4)0x1C) \
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| ((resAlpha.s37BF >> (uchar4)6) & (uchar4)0x3); \
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resAlpha.s26AE = bitselect(val.even << (uchar4)4, val.even, (uchar4)0xF); \
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resAlpha.s159D = bitselect(val.odd, val.odd >> (uchar4)4, (uchar4)0xF); \
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resAlpha.s048C = bitselect(val.odd << (uchar4)4, val.odd, (uchar4)0xF); \
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resAlpha.s37BF = bitselect(val.even << (uchar4)1, val.even >> (uchar4)2, (uchar4)0x1C); \
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resAlpha.s37BF = bitselect(resAlpha.s37BF, val.even >> (uchar4)5, (uchar4)0x3); \
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choice = (uchar16)((uchar4)(val.even.s0), \
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(uchar4)(val.even.s1), \
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(uchar4)(val.even.s2), \
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(uchar4)(val.even.s3)); \
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vstore16(select(resAlpha, resNoAlpha, choice), 0, dst + (y * width + x) * 4); \
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dst += width*4; // This may look ugly but unrolling loops is required for pre-DX11 hardware.
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iterateRGB5A3();
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iterateRGB5A3();
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iterateRGB5A3();
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vstore16(select(resAlpha, resNoAlpha, choice), 0, dst + (y * width + x) * 4);
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iterateRGB5A3(); dst += width*4;
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iterateRGB5A3(); dst += width*4;
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iterateRGB5A3(); dst += width*4;
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iterateRGB5A3();
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}
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uint16 unpack(uchar b)
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{
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return (uint16)((uint4)(b >> 6),
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(uint4)(b >> 4 & 3),
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(uint4)(b >> 2 & 3),
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(uint4)(b & 3));
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return (uint16)((uint4)(b >> 3 & 0x18),
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(uint4)(b >> 1 & 0x18),
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(uint4)(b << 1 & 0x18),
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(uint4)(b << 3 & 0x18));
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}
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kernel void decodeCMPRBlock(global uchar *dst,
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@ -158,43 +156,28 @@ kernel void decodeCMPRBlock(global uchar *dst,
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uchar2 colora565 = (uchar2)(val.s1, val.s3);
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uchar2 colorb565 = (uchar2)(val.s0, val.s2);
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uchar8 color32 = (uchar8)(bitselect(colora565 << (uchar2)3, colora565 >> (uchar2)2, (uchar2)0xFFFFF000),
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colora565 >> (uchar2)3 | bitselect(colorb565 << (uchar2)5, colorb565 >> (uchar2)1, (uchar2)0xFFFFFF00),
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bitselect(colorb565, colorb565 >> (uchar2)5, (uchar2)0xFFFFF000),
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uchar8 color32 = (uchar8)(colora565 << (uchar2)3,
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colora565 >> (uchar2)3 | colorb565 << (uchar2)5,
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colorb565,
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(uchar2)0xFF);
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uint4 colors;
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uint4 colorNoAlpha;
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ushort4 frac2 = (ushort4)(color32.even & (uchar4)0xFF) - (ushort4)(color32.odd & (uchar4)0xFF);
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uchar4 frac = convert_uchar4((frac2 * (ushort4)3) / (ushort4)8);
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colorNoAlpha = convert_uint4(color32.odd + frac);
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colorNoAlpha = (colorNoAlpha << (uint4)8) | convert_uint4(color32.even - frac);
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colorNoAlpha = (colorNoAlpha << (uint4)8) | convert_uint4(color32.odd);
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colorNoAlpha = (colorNoAlpha << (uint4)8) | convert_uint4(color32.even);
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uint4 colorAlpha;
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uchar4 midpoint = rhadd(color32.odd, color32.even);
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midpoint.s3 = 0xFF;
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colorAlpha = convert_uint4(midpoint);
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colorAlpha = (colorAlpha << (uint4)8) | convert_uint4(color32.odd);
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colorAlpha = (colorAlpha << (uint4)8) | convert_uint4(color32.even);
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ushort4 frac2 = (ushort4)(color32.even & (uchar4)0xFF) - (ushort4)(color32.odd & (uchar4)0xFF);
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uchar4 frac = convert_uchar4((frac2 * (ushort4)3) / (ushort4)8);
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ushort4 colorAlpha = upsample((uchar4)0, rhadd(color32.odd, color32.even));
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colorAlpha.s3 = 0xFF;
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ushort4 colorNoAlpha = upsample(color32.odd + frac, color32.even - frac);
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uint4 choice = isgreater(upsample(val.s0,val.s1),upsample(val.s2, val.s3));
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colors = bitselect(colorNoAlpha, colorAlpha, choice);
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ushort4 choice = isgreater(val.s0,val.s2);
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uint4 colors = upsample(bitselect(colorNoAlpha, colorAlpha, choice),
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upsample(color32.odd, color32.even));
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uint16 colorsFull = (uint16)(colors, colors, colors, colors);
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uint16 shifts = (((unpack(val.s7) << (uint16)8
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| unpack(val.s6)) << (uint16)8
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| unpack(val.s5)) << (uint16)8
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| unpack(val.s4)) << (uint16)3;
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vstore16(convert_uchar16(colorsFull >> (shifts & (uint16)0xFF)), 0, dst);
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shifts = shifts >> (uint16)8;
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vstore16(convert_uchar16(colorsFull >> (shifts & (uint16)0xFF)), 0, dst+=width*4);
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shifts = shifts >> (uint16)8;
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vstore16(convert_uchar16(colorsFull >> (shifts & (uint16)0xFF)), 0, dst+=width*4);
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shifts = shifts >> (uint16)8;
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vstore16(convert_uchar16(colorsFull >> (shifts & (uint16)0xFF)), 0, dst+=width*4);
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vstore16((uchar16)(colorsFull >> unpack(val.s4)), 0, dst);
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vstore16((uchar16)(colorsFull >> unpack(val.s5)), 0, dst+=width*4);
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vstore16((uchar16)(colorsFull >> unpack(val.s6)), 0, dst+=width*4);
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vstore16((uchar16)(colorsFull >> unpack(val.s7)), 0, dst+=width*4);
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}
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kernel void DecodeCMPR(global uchar *dst,
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@ -203,13 +186,10 @@ kernel void DecodeCMPR(global uchar *dst,
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int x = get_global_id(0) * 8, y = get_global_id(1) * 8;
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src += x * 4 + (y * width) / 2;
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dst += (y * width + x) * 4;
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decodeCMPRBlock(dst + (y * width + x) * 4, src, width);
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src += 8;
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decodeCMPRBlock(dst + (y * width + x + 4) * 4, src, width); // + 16
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src += 8;
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decodeCMPRBlock(dst + ((y + 4) * width + x) * 4, src, width); // + 16*width
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src += 8;
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decodeCMPRBlock(dst + ((y + 4) * width + x + 4) * 4, src, width); // + 16*(width+1)
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decodeCMPRBlock(dst, src, width); src += 8;
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decodeCMPRBlock(dst + 16, src, width); src += 8;
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decodeCMPRBlock(dst + 16 * width, src, width); src += 8;
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decodeCMPRBlock(dst + 16 * (width + 1), src, width);
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}
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