forked from dolphin-emu/dolphin
1436 lines
34 KiB
C++
1436 lines
34 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "VideoBackends/Software/BPMemLoader.h"
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#include "VideoBackends/Software/EfbInterface.h"
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#include "VideoBackends/Software/TextureEncoder.h"
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#include "VideoCommon/LookUpTables.h"
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#include "VideoCommon/TextureDecoder.h"
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namespace TextureEncoder
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{
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static inline void RGBA_to_RGBA8(u8 *src, u8 &r, u8 &g, u8 &b, u8 &a)
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{
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u32 srcColor = *(u32*)src;
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a = Convert6To8(srcColor & 0x3f);
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b = Convert6To8((srcColor >> 6) & 0x3f);
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g = Convert6To8((srcColor >> 12)& 0x3f);
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r = Convert6To8((srcColor >> 18)& 0x3f);
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}
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static inline void RGBA_to_RGB8(u8 *src, u8 &r, u8 &g, u8 &b)
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{
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u32 srcColor = *(u32*)src;
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b = Convert6To8((srcColor >> 6) & 0x3f);
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g = Convert6To8((srcColor >> 12)& 0x3f);
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r = Convert6To8((srcColor >> 18)& 0x3f);
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}
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static inline u8 RGB8_to_I(u8 r, u8 g, u8 b)
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{
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// values multiplied by 256 to keep math integer
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u16 val = 4096 + 66 * r + 129 * g + 25 * b;
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return val >> 8;
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}
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// box filter sampling averages 4 samples with the source texel being the top left of the box
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// components are scaled to the range 0-255 after all samples are taken
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static inline void BoxfilterRGBA_to_RGBA8(u8 *src, u8 &r, u8 &g, u8 &b, u8 &a)
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{
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u16 r16 = 0, g16 = 0, b16 = 0, a16 = 0;
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for (int y = 0; y < 2; y++)
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{
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for (int x = 0; x < 2; x++)
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{
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u32 srcColor = *(u32*)src;
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a16 += srcColor & 0x3f;
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b16 += (srcColor >> 6) & 0x3f;
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g16 += (srcColor >> 12) & 0x3f;
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r16 += (srcColor >> 18) & 0x3f;
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src += 3; // move to next pixel
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}
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src += (640 - 2) * 3; // move to next line
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}
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r = r16 + (r16 >> 6);
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g = g16 + (g16 >> 6);
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b = b16 + (b16 >> 6);
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a = a16 + (a16 >> 6);
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}
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static inline void BoxfilterRGBA_to_RGB8(u8 *src, u8 &r, u8 &g, u8 &b)
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{
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u16 r16 = 0, g16 = 0, b16 = 0;
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for (int y = 0; y < 2; y++)
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{
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for (int x = 0; x < 2; x++)
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{
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u32 srcColor = *(u32*)src;
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b16 += (srcColor >> 6) & 0x3f;
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g16 += (srcColor >> 12) & 0x3f;
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r16 += (srcColor >> 18) & 0x3f;
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src += 3; // move to next pixel
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}
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src += (640 - 2) * 3; // move to next line
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}
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r = r16 + (r16 >> 6);
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g = g16 + (g16 >> 6);
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b = b16 + (b16 >> 6);
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}
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static inline void BoxfilterRGBA_to_x8(u8 *src, u8 &x8, int shift)
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{
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u16 x16 = 0;
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for (int y = 0; y < 2; y++)
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{
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for (int x = 0; x < 2; x++)
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{
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u32 srcColor = *(u32*)src;
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x16 += (srcColor >> shift) & 0x3f;
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src += 3; // move to next pixel
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}
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src += (640 - 2) * 3; // move to next line
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}
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x8 = x16 + (x16 >> 6);
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}
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static inline void BoxfilterRGBA_to_xx8(u8 *src, u8 &x1, u8 &x2, int shift1, int shift2)
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{
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u16 x16_1 = 0;
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u16 x16_2 = 0;
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for (int y = 0; y < 2; y++)
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{
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for (int x = 0; x < 2; x++)
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{
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u32 srcColor = *(u32*)src;
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x16_1 += (srcColor >> shift1) & 0x3f;
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x16_2 += (srcColor >> shift2) & 0x3f;
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src += 3; // move to next pixel
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}
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src += (640 - 2) * 3; // move to next line
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}
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x1 = x16_1 + (x16_1 >> 6);
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x2 = x16_2 + (x16_2 >> 6);
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}
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static inline void BoxfilterRGB_to_RGB8(u8 *src, u8 &r, u8 &g, u8 &b)
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{
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u16 r16 = 0, g16 = 0, b16 = 0;
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for (int y = 0; y < 2; y++)
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{
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for (int x = 0; x < 2; x++)
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{
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b16 += src[0];
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g16 += src[1];
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r16 += src[2];
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src += 3; // move to next pixel
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}
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src += (640 - 2) * 3; // move to next line
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}
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r = r16 >> 2;
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g = g16 >> 2;
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b = b16 >> 2;
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}
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static inline void BoxfilterRGB_to_x8(u8 *src, u8 &x8, int comp)
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{
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u16 x16 = 0;
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for (int y = 0; y < 2; y++)
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{
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for (int x = 0; x < 2; x++)
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{
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x16 += src[comp];
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src += 3; // move to next pixel
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}
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src += (640 - 2) * 3; // move to next line
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}
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x8 = x16 >> 2;
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}
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static inline void BoxfilterRGB_to_xx8(u8 *src, u8 &x1, u8 &x2, int comp1, int comp2)
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{
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u16 x16_1 = 0;
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u16 x16_2 = 0;
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for (int y = 0; y < 2; y++)
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{
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for (int x = 0; x < 2; x++)
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{
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x16_1 += src[comp1];
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x16_2 += src[comp2];
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src += 3; // move to next pixel
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}
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src += (640 - 2) * 3; // move to next line
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}
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x1 = x16_1 >> 2;
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x2 = x16_2 >> 2;
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}
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static void SetBlockDimensions(int blkWidthLog2, int blkHeightLog2, u16 &sBlkCount, u16 &tBlkCount, u16 &sBlkSize, u16 &tBlkSize)
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{
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// if half_scale is 1 then the size is cut in half
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u32 width = bpmem.copyTexSrcWH.x >> bpmem.triggerEFBCopy.half_scale;
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u32 height = bpmem.copyTexSrcWH.y >> bpmem.triggerEFBCopy.half_scale;
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sBlkCount = (width >> blkWidthLog2) + 1;
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tBlkCount = (height >> blkHeightLog2) + 1;
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sBlkSize = 1 << blkWidthLog2;
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tBlkSize = 1 << blkHeightLog2;
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}
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static void SetSpans(int sBlkSize, int tBlkSize, s32 &tSpan, s32 &sBlkSpan, s32 &tBlkSpan, s32 &writeStride)
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{
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// width is 1 less than the number of pixels of width
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u32 width = bpmem.copyTexSrcWH.x >> bpmem.triggerEFBCopy.half_scale;
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u32 alignedWidth = (width + sBlkSize) & (~(sBlkSize-1));
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u32 readStride = 3 << bpmem.triggerEFBCopy.half_scale;
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tSpan = (640 - sBlkSize) * readStride; // bytes to advance src pointer after each row of texels in a block
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sBlkSpan = ((-640 * tBlkSize) + sBlkSize) * readStride; // bytes to advance src pointer after each block
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tBlkSpan = ((640 * tBlkSize) - alignedWidth) * readStride; // bytes to advance src pointer after each row of blocks
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writeStride = bpmem.copyMipMapStrideChannels * 32;
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}
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#define ENCODE_LOOP_BLOCKS \
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for (int tBlk = 0; tBlk < tBlkCount; tBlk++) { \
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dst = dstBlockStart; \
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for (int sBlk = 0; sBlk < sBlkCount; sBlk++) { \
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for (int t = 0; t < tBlkSize; t++) { \
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for (int s = 0; s < sBlkSize; s++) { \
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#define ENCODE_LOOP_SPANS \
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} \
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src += tSpan; \
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} \
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src += sBlkSpan; \
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} \
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src += tBlkSpan; \
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dstBlockStart += writeStride; \
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} \
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#define ENCODE_LOOP_SPANS2 \
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} \
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src += tSpan; \
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} \
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src += sBlkSpan; \
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dst += 32; \
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} \
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src += tBlkSpan; \
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dstBlockStart += writeStride; \
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} \
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static void EncodeRGBA6(u8 *dst, u8 *src, u32 format)
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{
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u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
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s32 tSpan, sBlkSpan, tBlkSpan, writeStride;
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u8 r, g, b, a;
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u32 readStride = 3;
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u8 *dstBlockStart = dst;
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switch (format)
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{
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case GX_TF_I4:
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SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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sBlkSize /= 2;
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ENCODE_LOOP_BLOCKS
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{
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RGBA_to_RGB8(src, r, g, b);
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src += readStride;
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*dst = RGB8_to_I(r, g, b) & 0xf0;
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RGBA_to_RGB8(src, r, g, b);
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src += readStride;
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*dst |= RGB8_to_I(r, g, b) >> 4;
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dst++;
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_TF_I8:
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SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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RGBA_to_RGB8(src, r, g, b);
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src += readStride;
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*dst++ = RGB8_to_I(r, g, b);
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_TF_IA4:
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SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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RGBA_to_RGBA8(src, r, g, b, a);
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src += readStride;
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*dst++ = (a & 0xf0) | (RGB8_to_I(r, g, b) >> 4);
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_TF_IA8:
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SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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RGBA_to_RGBA8(src, r, g, b, a);
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src += readStride;
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*dst++ = a;
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*dst++ = RGB8_to_I(r, g, b);
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_TF_RGB565:
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SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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src += readStride;
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u16 val = ((srcColor >> 8) & 0xf800) | ((srcColor >> 7) & 0x07e0) | ((srcColor >> 7) & 0x001e);
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*(u16*)dst = Common::swap16(val);
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dst+=2;
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_TF_RGB5A3:
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SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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src += readStride;
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u16 alpha = (srcColor << 9) & 0x7000;
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u16 val;
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if (alpha == 0x7000) // 555
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val = 0x8000 | ((srcColor >> 9) & 0x7c00) | ((srcColor >> 8) & 0x03e0) | ((srcColor >> 7) & 0x001e);
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else // 4443
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val = alpha | ((srcColor >> 12) & 0x0f00) | ((srcColor >> 10) & 0x00f0) | ((srcColor >> 8) & 0x000f);
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*(u16*)dst = Common::swap16(val);
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dst+=2;
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_TF_RGBA8:
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SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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RGBA_to_RGBA8(src, dst[1], dst[32], dst[33], dst[0]);
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src += readStride;
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dst += 2;
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}
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ENCODE_LOOP_SPANS2
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break;
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case GX_CTF_R4:
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SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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sBlkSize /= 2;
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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src += readStride;
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*dst = (srcColor >> 16) & 0xf0;
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srcColor = *(u32*)src;
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src += readStride;
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*dst |= (srcColor >> 20) & 0x0f;
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dst++;
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_CTF_RA4:
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SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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src += readStride;
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*dst++ = ((srcColor << 2) & 0xf0) | ((srcColor >> 20) & 0x0f);
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_CTF_RA8:
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SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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src += readStride;
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*dst++ = Convert6To8(srcColor & 0x3f);
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*dst++ = Convert6To8((srcColor >> 18) & 0x3f);
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_CTF_A8:
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SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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*dst++ = Convert6To8(srcColor & 0x3f);
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src += readStride;
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_CTF_R8:
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SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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*dst++ = Convert6To8((srcColor >> 18) & 0x3f);
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src += readStride;
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_CTF_G8:
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SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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*dst++ = Convert6To8((srcColor >> 12) & 0x3f);
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src += readStride;
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_CTF_B8:
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SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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*dst++ = Convert6To8((srcColor >> 6) & 0x3f);
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src += readStride;
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}
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ENCODE_LOOP_SPANS
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break;
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case GX_CTF_RG8:
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SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
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SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
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ENCODE_LOOP_BLOCKS
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{
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u32 srcColor = *(u32*)src;
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src += readStride;
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*dst++ = Convert6To8((srcColor >> 12) & 0x3f);
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*dst++ = Convert6To8((srcColor >> 18) & 0x3f);
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}
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ENCODE_LOOP_SPANS
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break;
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|
case GX_CTF_GB8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
u32 srcColor = *(u32*)src;
|
|
src += readStride;
|
|
*dst++ = Convert6To8((srcColor >> 6) & 0x3f);
|
|
*dst++ = Convert6To8((srcColor >> 12) & 0x3f);
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
default:
|
|
PanicAlert("Unknown texture copy format: 0x%x\n", format);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void EncodeRGBA6halfscale(u8 *dst, u8 *src, u32 format)
|
|
{
|
|
u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
|
|
s32 tSpan, sBlkSpan, tBlkSpan, writeStride;
|
|
u8 r, g, b, a;
|
|
u32 readStride = 6;
|
|
u8 *dstBlockStart = dst;
|
|
|
|
switch (format)
|
|
{
|
|
case GX_TF_I4:
|
|
SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
sBlkSize /= 2;
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_RGB8(src, r, g, b);
|
|
src += readStride;
|
|
*dst = RGB8_to_I(r, g, b) & 0xf0;
|
|
|
|
BoxfilterRGBA_to_RGB8(src, r, g, b);
|
|
src += readStride;
|
|
*dst |= RGB8_to_I(r, g, b) >> 4;
|
|
dst++;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_I8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_RGB8(src, r, g, b);
|
|
src += readStride;
|
|
*dst++ = RGB8_to_I(r, g, b);
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_IA4:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_RGBA8(src, r, g, b, a);
|
|
src += readStride;
|
|
*dst++ = (a & 0xf0) | (RGB8_to_I(r, g, b) >> 4);
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_IA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_RGBA8(src, r, g, b, a);
|
|
src += readStride;
|
|
*dst++ = a;
|
|
*dst++ = RGB8_to_I(r, g, b);
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGB565:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_RGB8(src, r, g, b);
|
|
src += readStride;
|
|
|
|
u16 val = ((r << 8) & 0xf800) | ((g << 3) & 0x07e0) | ((b >> 3) & 0x001e);
|
|
*(u16*)dst = Common::swap16(val);
|
|
dst+=2;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGB5A3:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_RGBA8(src, r, g, b, a);
|
|
src += readStride;
|
|
|
|
u16 val;
|
|
if (a >= 224) // 5551
|
|
val = 0x8000 | ((r << 7) & 0x7c00) | ((g << 2) & 0x03e0) | ((b >> 3) & 0x001e);
|
|
else // 4443
|
|
val = ((a << 7) & 0x7000) | ((r << 4) & 0x0f00) | (g & 0x00f0) | ((b >> 4) & 0x000f);
|
|
|
|
*(u16*)dst = Common::swap16(val);
|
|
dst+=2;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGBA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_RGBA8(src, dst[1], dst[32], dst[33], dst[0]);
|
|
src += readStride;
|
|
dst += 2;
|
|
}
|
|
ENCODE_LOOP_SPANS2
|
|
break;
|
|
|
|
case GX_CTF_R4:
|
|
SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
sBlkSize /= 2;
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_x8(src, r, 18);
|
|
src += readStride;
|
|
*dst = r & 0xf0;
|
|
|
|
BoxfilterRGBA_to_x8(src, r, 18);
|
|
src += readStride;
|
|
*dst |= r >> 4;
|
|
dst++;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RA4:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_xx8(src, r, a, 18, 0);
|
|
src += readStride;
|
|
*dst++ = (a & 0xf0) | (r >> 4);
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_xx8(src, r, a, 18, 0);
|
|
src += readStride;
|
|
*dst++ = a;
|
|
*dst++ = r;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_A8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_x8(src, a, 0);
|
|
*dst++ = a;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_R8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_x8(src, r, 18);
|
|
*dst++ = r;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_G8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_x8(src, g, 12);
|
|
*dst++ = g;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_B8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_x8(src, b, 6);
|
|
*dst++ = b;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RG8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_xx8(src, r, g, 18, 12);
|
|
src += readStride;
|
|
*dst++ = g;
|
|
*dst++ = r;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_GB8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGBA_to_xx8(src, g, b, 12, 6);
|
|
src += readStride;
|
|
*dst++ = b;
|
|
*dst++ = g;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
default:
|
|
PanicAlert("Unknown texture copy format: 0x%x\n", format);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void EncodeRGB8(u8 *dst, u8 *src, u32 format)
|
|
{
|
|
u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
|
|
s32 tSpan, sBlkSpan, tBlkSpan, writeStride;
|
|
u32 readStride = 3;
|
|
u8 *dstBlockStart = dst;
|
|
|
|
switch (format)
|
|
{
|
|
case GX_TF_I4:
|
|
SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
sBlkSize /= 2;
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst = RGB8_to_I(src[2], src[1], src[0]) & 0xf0;
|
|
src += readStride;
|
|
|
|
*dst |= RGB8_to_I(src[2], src[1], src[0]) >> 4;
|
|
src += readStride;
|
|
dst++;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_I8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = RGB8_to_I(src[2], src[1], src[0]);
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_IA4:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = 0xf0 | (RGB8_to_I(src[2], src[1], src[0]) >> 4);
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_IA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = 0xff;
|
|
*dst++ = RGB8_to_I(src[2], src[1], src[0]);
|
|
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGB565:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
u16 val = ((src[2] << 8) & 0xf800) | ((src[1] << 3) & 0x07e0) | ((src[0] >> 3) & 0x001e);
|
|
*(u16*)dst = Common::swap16(val);
|
|
src += readStride;
|
|
dst+=2;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGB5A3:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
u16 val = 0x8000 | ((src[2] << 7) & 0x7c00) | ((src[1] << 2) & 0x03e0) | ((src[0] >> 3) & 0x001e);
|
|
*(u16*)dst = Common::swap16(val);
|
|
src += readStride;
|
|
dst+=2;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGBA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
dst[0] = 0xff;
|
|
dst[1] = src[2];
|
|
dst[32] = src[1];
|
|
dst[33] = src[0];
|
|
src += readStride;
|
|
dst += 2;
|
|
}
|
|
ENCODE_LOOP_SPANS2
|
|
break;
|
|
|
|
case GX_CTF_R4:
|
|
SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
sBlkSize /= 2;
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst = src[2] & 0xf0;
|
|
src += readStride;
|
|
|
|
*dst |= src[2] >> 4;
|
|
src += readStride;
|
|
|
|
dst++;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RA4:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = 0xf0 | (src[2] >> 4);
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = 0xff;
|
|
*dst++ = src[2];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_A8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = 0xff;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_R8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[2];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_G8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[1];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_B8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[0];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RG8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[1];
|
|
*dst++ = src[2];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_GB8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[0];
|
|
*dst++ = src[1];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
default:
|
|
PanicAlert("Unknown texture copy format: 0x%x\n", format);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void EncodeRGB8halfscale(u8 *dst, u8 *src, u32 format)
|
|
{
|
|
u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
|
|
s32 tSpan, sBlkSpan, tBlkSpan, writeStride;
|
|
u8 r, g, b;
|
|
u32 readStride = 6;
|
|
u8 *dstBlockStart = dst;
|
|
|
|
switch (format)
|
|
{
|
|
case GX_TF_I4:
|
|
SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
sBlkSize /= 2;
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_RGB8(src, r, g, b);
|
|
*dst = RGB8_to_I(r, g, b) & 0xf0;
|
|
src += readStride;
|
|
|
|
BoxfilterRGB_to_RGB8(src, r, g, b);
|
|
*dst |= RGB8_to_I(r, g, b) >> 4;
|
|
src += readStride;
|
|
dst++;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_I8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_RGB8(src, r, g, b);
|
|
*dst++ = RGB8_to_I(r, g, b);
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_IA4:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_RGB8(src, r, g, b);
|
|
*dst++ = 0xf0 | (RGB8_to_I(r, g, b) >> 4);
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_IA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_RGB8(src, r, g, b);
|
|
*dst++ = 0xff;
|
|
*dst++ = RGB8_to_I(r, g, b);
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGB565:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_RGB8(src, r, g, b);
|
|
u16 val = ((r << 8) & 0xf800) | ((g << 3) & 0x07e0) | ((b >> 3) & 0x001e);
|
|
*(u16*)dst = Common::swap16(val);
|
|
src += readStride;
|
|
dst+=2;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGB5A3:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_RGB8(src, r, g, b);
|
|
u16 val = 0x8000 | ((r << 7) & 0x7c00) | ((g << 2) & 0x03e0) | ((b >> 3) & 0x001e);
|
|
*(u16*)dst = Common::swap16(val);
|
|
src += readStride;
|
|
dst+=2;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_RGBA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_RGB8(src, r, g, b);
|
|
dst[0] = 0xff;
|
|
dst[1] = r;
|
|
dst[32] = g;
|
|
dst[33] = b;
|
|
src += readStride;
|
|
dst += 2;
|
|
}
|
|
ENCODE_LOOP_SPANS2
|
|
break;
|
|
|
|
case GX_CTF_R4:
|
|
SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
sBlkSize /= 2;
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, r, 2);
|
|
*dst = r & 0xf0;
|
|
src += readStride;
|
|
|
|
BoxfilterRGB_to_x8(src, r, 2);
|
|
*dst |= r >> 4;
|
|
src += readStride;
|
|
|
|
dst++;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RA4:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, r, 2);
|
|
*dst++ = 0xf0 | (r >> 4);
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RA8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, r, 2);
|
|
*dst++ = 0xff;
|
|
*dst++ = r;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_A8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = 0xff;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_R8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, r, 2);
|
|
*dst++ = r;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_G8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, g, 1);
|
|
*dst++ = g;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_B8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, b, 0);
|
|
*dst++ = b;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_RG8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_xx8(src, r, g, 2, 1);
|
|
*dst++ = g;
|
|
*dst++ = r;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_GB8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_xx8(src, g, b, 1, 0);
|
|
*dst++ = b;
|
|
*dst++ = g;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
default:
|
|
PanicAlert("Unknown texture copy format: 0x%x\n", format);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void EncodeZ24(u8 *dst, u8 *src, u32 format)
|
|
{
|
|
u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
|
|
s32 tSpan, sBlkSpan, tBlkSpan, writeStride;
|
|
u32 readStride = 3;
|
|
u8 *dstBlockStart = dst;
|
|
|
|
switch (format)
|
|
{
|
|
case GX_TF_Z8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[2];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_Z16:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[1];
|
|
*dst++ = src[2];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_Z24X8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
dst[0] = 0xff;
|
|
dst[1] = src[2];
|
|
dst[32] = src[1];
|
|
dst[33] = src[0];
|
|
src += readStride;
|
|
dst += 2;
|
|
}
|
|
ENCODE_LOOP_SPANS2
|
|
break;
|
|
|
|
case GX_CTF_Z4:
|
|
SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
sBlkSize /= 2;
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst = src[2] & 0xf0;
|
|
src += readStride;
|
|
|
|
*dst |= src[2] >> 4;
|
|
src += readStride;
|
|
|
|
dst++;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_Z8M:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[1];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_Z8L:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[0];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_Z16L:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
*dst++ = src[0];
|
|
*dst++ = src[1];
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
default:
|
|
PanicAlert("Unknown texture copy format: 0x%x\n", format);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void EncodeZ24halfscale(u8 *dst, u8 *src, u32 format)
|
|
{
|
|
u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
|
|
s32 tSpan, sBlkSpan, tBlkSpan, writeStride;
|
|
u32 readStride = 6;
|
|
u8 r, g, b;
|
|
u8 *dstBlockStart = dst;
|
|
|
|
switch (format)
|
|
{
|
|
case GX_TF_Z8:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, b, 2);
|
|
*dst++ = b;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_Z16:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_xx8(src, g, b, 1, 2);
|
|
*dst++ = b;
|
|
*dst++ = g;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_TF_Z24X8:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_RGB8(src, dst[33], dst[32], dst[1]);
|
|
dst[0] = 255;
|
|
src += readStride;
|
|
dst += 2;
|
|
}
|
|
ENCODE_LOOP_SPANS2
|
|
break;
|
|
|
|
case GX_CTF_Z4:
|
|
SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
sBlkSize /= 2;
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, b, 2);
|
|
*dst = b & 0xf0;
|
|
src += readStride;
|
|
|
|
BoxfilterRGB_to_x8(src, b, 2);
|
|
*dst |= b >> 4;
|
|
src += readStride;
|
|
|
|
dst++;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_Z8M:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, g, 1);
|
|
*dst++ = g;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_Z8L:
|
|
SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_x8(src, r, 0);
|
|
*dst++ = r;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
case GX_CTF_Z16L:
|
|
SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
|
|
SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan, writeStride);
|
|
ENCODE_LOOP_BLOCKS
|
|
{
|
|
BoxfilterRGB_to_xx8(src, r, g, 0, 1);
|
|
*dst++ = g;
|
|
*dst++ = r;
|
|
src += readStride;
|
|
}
|
|
ENCODE_LOOP_SPANS
|
|
break;
|
|
|
|
default:
|
|
PanicAlert("Unknown texture copy format: 0x%x\n", format);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Encode(u8 *dest_ptr)
|
|
{
|
|
auto pixelformat = bpmem.zcontrol.pixel_format;
|
|
bool bFromZBuffer = pixelformat == PEControl::Z24;
|
|
bool bIsIntensityFmt = bpmem.triggerEFBCopy.intensity_fmt > 0;
|
|
u32 copyfmt = ((bpmem.triggerEFBCopy.target_pixel_format / 2) + ((bpmem.triggerEFBCopy.target_pixel_format & 1) * 8));
|
|
|
|
// pack copy format information into a single variable
|
|
u32 format = copyfmt;
|
|
if (bFromZBuffer)
|
|
{
|
|
format |= _GX_TF_ZTF;
|
|
if (copyfmt == 11)
|
|
format = GX_TF_Z16;
|
|
else if (format < GX_TF_Z8 || format > GX_TF_Z24X8)
|
|
format |= _GX_TF_CTF;
|
|
}
|
|
else
|
|
if (copyfmt > GX_TF_RGBA8 || (copyfmt < GX_TF_RGB565 && !bIsIntensityFmt))
|
|
format |= _GX_TF_CTF;
|
|
|
|
u8 *src = EfbInterface::GetPixelPointer(bpmem.copyTexSrcXY.x, bpmem.copyTexSrcXY.y, bFromZBuffer);
|
|
|
|
if (bpmem.triggerEFBCopy.half_scale)
|
|
{
|
|
if (pixelformat == PEControl::RGBA6_Z24)
|
|
EncodeRGBA6halfscale(dest_ptr, src, format);
|
|
else if (pixelformat == PEControl::RGB8_Z24)
|
|
EncodeRGB8halfscale(dest_ptr, src, format);
|
|
else if (pixelformat == PEControl::RGB565_Z16) // not supported
|
|
EncodeRGB8halfscale(dest_ptr, src, format);
|
|
else if (pixelformat == PEControl::Z24)
|
|
EncodeZ24halfscale(dest_ptr, src, format);
|
|
}
|
|
else
|
|
{
|
|
if (pixelformat == PEControl::RGBA6_Z24)
|
|
EncodeRGBA6(dest_ptr, src, format);
|
|
else if (pixelformat == PEControl::RGB8_Z24)
|
|
EncodeRGB8(dest_ptr, src, format);
|
|
else if (pixelformat == PEControl::RGB565_Z16) // not supported
|
|
EncodeRGB8(dest_ptr, src, format);
|
|
else if (pixelformat == PEControl::Z24)
|
|
EncodeZ24(dest_ptr, src, format);
|
|
}
|
|
}
|
|
|
|
|
|
}
|