diff options
Diffstat (limited to 'Source/Plugins/Plugin_VideoSoftware/Src/TextureEncoder.cpp')
| -rw-r--r-- | Source/Plugins/Plugin_VideoSoftware/Src/TextureEncoder.cpp | 1431 |
1 files changed, 1431 insertions, 0 deletions
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/TextureEncoder.cpp b/Source/Plugins/Plugin_VideoSoftware/Src/TextureEncoder.cpp new file mode 100644 index 0000000000..036e9d9f8d --- /dev/null +++ b/Source/Plugins/Plugin_VideoSoftware/Src/TextureEncoder.cpp @@ -0,0 +1,1431 @@ +// Copyright (C) 2003-2009 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "TextureEncoder.h"
+#include "EfbInterface.h"
+#include "../../../Core/VideoCommon/Src/LookUpTables.h"
+
+#include "BPMemLoader.h"
+
+#include "../../../Core/VideoCommon/Src/TextureDecoder.h"
+
+namespace TextureEncoder
+{
+
+inline void RGBA_to_RGBA8(u8 *src, u8 &r, u8 &g, u8 &b, u8 &a)
+{
+ u32 srcColor = *(u32*)src;
+ r = Convert6To8(srcColor & 0x3f);
+ g = Convert6To8((srcColor >> 6) & 0x3f);
+ b = Convert6To8((srcColor >> 12)& 0x3f);
+ a = Convert6To8((srcColor >> 18)& 0x3f);
+}
+
+inline void RGBA_to_RGB8(u8 *src, u8 &r, u8 &g, u8 &b)
+{
+ u32 srcColor = *(u32*)src;
+ r = Convert6To8(srcColor & 0x3f);
+ g = Convert6To8((srcColor >> 6) & 0x3f);
+ b = Convert6To8((srcColor >> 12)& 0x3f);
+}
+
+inline u8 RGB8_to_I(u8 r, u8 g, u8 b)
+{
+ // values multiplied by 256 to keep math integer
+ u16 val = 4096 + 66 * r + 129 * g + 25 * b;
+ return val >> 8;
+}
+
+// box filter sampling averages 9 samples centered at the source texel
+// components are scaled to the range 0-255 after all samples are taken
+
+inline void boxfilterRGBA_to_RGBA8(u8 *src, u8 &r, u8 &g, u8 &b, u8 &a)
+{
+ u16 r16 = 0, g16 = 0, b16 = 0, a16 = 0;
+
+ // move to top left
+ src -= (1 + 640) * 3;
+
+ for (int y = 0; y < 3; y++) {
+ for (int x = 0; x < 3; x++) {
+ u32 srcColor = *(u32*)src;
+ r16 += srcColor & 0x3f;
+ g16 += (srcColor >> 6) & 0x3f;
+ b16 += (srcColor >> 12) & 0x3f;
+ a16 += (srcColor >> 18) & 0x3f;
+ src += 3;
+ }
+ src += (640 - 3) * 3;
+ }
+
+ r = (r16 << 6) / 142;
+ g = (g16 << 6) / 142;
+ b = (b16 << 6) / 142;
+ a = (a16 << 6) / 142;
+}
+
+inline void boxfilterRGBA_to_RGB8(u8 *src, u8 &r, u8 &g, u8 &b)
+{
+ u16 r16 = 0, g16 = 0, b16 = 0;
+
+ // move to top left
+ src -= (1 + 640) * 3;
+
+ for (int y = 0; y < 3; y++) {
+ for (int x = 0; x < 3; x++) {
+ u32 srcColor = *(u32*)src;
+ r16 += srcColor & 0x3f;
+ g16 += (srcColor >> 6) & 0x3f;
+ b16 += (srcColor >> 12) & 0x3f;
+ src += 3;
+ }
+ src += (640 - 3) * 3;
+ }
+
+ r = (r16 << 6) / 142;
+ g = (g16 << 6) / 142;
+ b = (b16 << 6) / 142;
+}
+
+inline void boxfilterRGBA_to_x8(u8 *src, u8 &x, int shift)
+{
+ u16 x16 = 0;
+
+ // move to top left
+ src -= (1 + 640) * 3;
+
+ for (int y = 0; y < 3; y++) {
+ for (int x = 0; x < 3; x++) {
+ u32 srcColor = *(u32*)src;
+ x16 += (srcColor >> shift) & 0x3f;
+ src += 3;
+ }
+ src += (640 - 3) * 3;
+ }
+
+ x = (x16 << 6) / 142;
+}
+
+inline void boxfilterRGBA_to_xx8(u8 *src, u8 &x1, u8 &x2, int shift1, int shift2)
+{
+ u16 x16_1 = 0;
+ u16 x16_2 = 0;
+
+ // move to top left
+ src -= (1 + 640) * 3;
+
+ for (int y = 0; y < 3; y++) {
+ for (int x = 0; x < 3; x++) {
+ u32 srcColor = *(u32*)src;
+ x16_1 += (srcColor >> shift1) & 0x3f;
+ x16_2 += (srcColor >> shift2) & 0x3f;
+ src += 3;
+ }
+ src += (640 - 3) * 3;
+ }
+
+ x1 = (x16_1 << 6) / 142;
+ x2 = (x16_2 << 6) / 142;
+}
+
+inline void boxfilterRGB_to_RGB8(u8 *src, u8 &r, u8 &g, u8 &b)
+{
+ u16 r16 = 0, g16 = 0, b16 = 0;
+
+ // move to top left
+ src -= (1 + 640) * 3;
+
+ for (int y = 0; y < 3; y++) {
+ for (int x = 0; x < 3; x++) {
+ r16 += src[0];
+ g16 += src[1];
+ b16 += src[2];
+ src += 3;
+ }
+ src += (640 - 3) * 3;
+ }
+
+ r = r16 / 9;
+ g = g16 / 9;
+ b = b16 / 9;
+}
+
+inline void boxfilterRGB_to_x8(u8 *src, u8 &x, int comp)
+{
+ u16 x16 = 0;
+
+ // move to top left
+ src -= (1 + 640) * 3;
+
+ for (int y = 0; y < 3; y++) {
+ for (int x = 0; x < 3; x++) {
+ x16 += src[comp];
+ src += 3;
+ }
+ src += (640 - 3) * 3;
+ }
+
+ x = x16 / 9;
+}
+
+inline void boxfilterRGB_to_xx8(u8 *src, u8 &x1, u8 &x2, int comp1, int comp2)
+{
+ u16 x16_1 = 0;
+ u16 x16_2 = 0;
+
+ // move to top left
+ src -= (1 + 640) * 3;
+
+ for (int y = 0; y < 3; y++) {
+ for (int x = 0; x < 3; x++) {
+ x16_1 += src[comp1];
+ x16_2 += src[comp2];
+ src += 3;
+ }
+ src += (640 - 3) * 3;
+ }
+
+ x1 = x16_1 / 9;
+ x2 = x16_2 / 9;
+}
+
+void SetBlockDimensions(int blkWidthLog2, int blkHeightLog2, u16 &sBlkCount, u16 &tBlkCount, u16 &sBlkSize, u16 &tBlkSize)
+{
+ // if half_scale is 1 then the size is cut in half
+ u32 width = bpmem.copyTexSrcWH.x >> bpmem.triggerEFBCopy.half_scale;
+ u32 height = bpmem.copyTexSrcWH.y >> bpmem.triggerEFBCopy.half_scale;
+
+ sBlkCount = (width >> blkWidthLog2) + 1;
+ tBlkCount = (height >> blkHeightLog2) + 1;
+
+ sBlkSize = 1 << blkWidthLog2;
+ tBlkSize = 1 << blkHeightLog2;
+}
+
+void SetSpans(int sBlkSize, int tBlkSize, s32 &tSpan, s32 &sBlkSpan, s32 &tBlkSpan)
+{
+ // width is 1 less than the number of pixels of width
+ u32 width = bpmem.copyTexSrcWH.x >> bpmem.triggerEFBCopy.half_scale;
+ u32 alignedWidth = (width + sBlkSize) & (~(sBlkSize-1));
+
+ u32 readStride = 3 << bpmem.triggerEFBCopy.half_scale;
+
+ tSpan = (640 - sBlkSize) * readStride; // bytes to advance src pointer after each row of texels in a block
+ sBlkSpan = ((-640 * tBlkSize) + sBlkSize) * readStride; // bytes to advance src pointer after each block
+ tBlkSpan = ((640 * tBlkSize) - alignedWidth) * readStride; // bytes to advance src pointer after each row of blocks
+}
+
+#define ENCODE_LOOP_BLOCKS \
+ for (int tBlk = 0; tBlk < tBlkCount; tBlk++) { \
+ for (int sBlk = 0; sBlk < sBlkCount; sBlk++) { \
+ for (int t = 0; t < tBlkSize; t++) { \
+ for (int s = 0; s < sBlkSize; s++) { \
+
+
+#define ENCODE_LOOP_SPANS \
+ } \
+ src += tSpan; \
+ } \
+ src += sBlkSpan; \
+ } \
+ src += tBlkSpan; \
+ } \
+
+#define ENCODE_LOOP_SPANS2 \
+ } \
+ src += tSpan; \
+ } \
+ src += sBlkSpan; \
+ dst += 32; \
+ } \
+ src += tBlkSpan; \
+ } \
+
+void EncodeRGBA6(u8 *dst, u8 *src, u32 format)
+{
+ u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
+ s32 tSpan, sBlkSpan, tBlkSpan;
+ u8 r, g, b, a;
+ u32 readStride = 3;
+
+ switch(format)
+ {
+ case GX_TF_I4:
+ SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ sBlkSize /= 2;
+ ENCODE_LOOP_BLOCKS
+ {
+ RGBA_to_RGB8(src, r, g, b);
+ src += readStride;
+ *dst = RGB8_to_I(r, g, b) & 0xf0;
+
+ RGBA_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);
+ ENCODE_LOOP_BLOCKS
+ {
+ RGBA_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);
+ ENCODE_LOOP_BLOCKS
+ {
+ RGBA_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);
+ ENCODE_LOOP_BLOCKS
+ {
+ RGBA_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);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ src += readStride;
+
+ u16 val = ((srcColor << 10) & 0xf800) | ((srcColor >> 1) & 0x07e0) | ((srcColor >> 13) & 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ src += readStride;
+
+ u16 a16 = (srcColor >> 9) & 0x7000;
+ u16 val;
+ if (a16 == 0x7000) // 5551
+ val = 0x8000 | ((srcColor << 9) & 0x7c00) | ((srcColor >> 2) & 0x03e0) | ((srcColor >> 13) & 0x001e);
+ else // 4443
+ val = a16 | ((srcColor << 6) & 0x0f00) | ((srcColor >> 4) & 0x00f0) | ((srcColor >> 14) & 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ RGBA_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);
+ sBlkSize /= 2;
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ src += readStride;
+ *dst = Convert6To8(srcColor & 0x3f) & 0xf0;
+
+ srcColor = *(u32*)src;
+ src += readStride;
+ *dst |= Convert6To8(srcColor & 0x3f) >> 4;
+ dst++;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_RA4:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ src += readStride;
+ *dst++ = (Convert6To8((srcColor >> 18) & 0x3f) & 0xf0) | (Convert6To8(srcColor & 0x3f) >> 4);
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_RA8:
+ SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ src += readStride;
+ *dst++ = Convert6To8((srcColor >> 18) & 0x3f);
+ *dst++ = Convert6To8(srcColor & 0x3f);
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_A8:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ *dst++ = Convert6To8((srcColor >> 18) & 0x3f);
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_R8:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ *dst++ = Convert6To8(srcColor & 0x3f);
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_G8:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ *dst++ = Convert6To8((srcColor >> 6) & 0x3f);
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_B8:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ *dst++ = Convert6To8((srcColor >> 12) & 0x3f);
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_RG8:
+ SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ src += readStride;
+ *dst++ = Convert6To8((srcColor >> 6) & 0x3f);
+ *dst++ = Convert6To8(srcColor & 0x3f);
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_GB8:
+ SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u32 srcColor = *(u32*)src;
+ src += readStride;
+ *dst++ = Convert6To8((srcColor >> 12) & 0x3f);
+ *dst++ = Convert6To8((srcColor >> 6) & 0x3f);
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ default:
+ PanicAlert("Unknown texture copy format: 0x%x\n", format);
+ break;
+ }
+}
+
+
+void EncodeRGBA6halfscale(u8 *dst, u8 *src, u32 format)
+{
+ u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
+ s32 tSpan, sBlkSpan, tBlkSpan;
+ u8 r, g, b, a;
+ u32 readStride = 6;
+
+ switch(format)
+ {
+ case GX_TF_I4:
+ SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ sBlkSize /= 2;
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_x8(src, r, 0);
+ src += readStride;
+ *dst = r & 0xf0;
+
+ boxfilterRGBA_to_x8(src, r, 0);
+ 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_xx8(src, r, a, 0, 18);
+ 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_xx8(src, r, a, 0, 18);
+ 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_x8(src, a, 18);
+ *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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_x8(src, r, 0);
+ *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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_x8(src, g, 6);
+ *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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_x8(src, b, 12);
+ *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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_xx8(src, r, g, 0, 6);
+ 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGBA_to_xx8(src, g, b, 6, 12);
+ src += readStride;
+ *dst++ = b;
+ *dst++ = g;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ default:
+ PanicAlert("Unknown texture copy format: 0x%x\n", format);
+ break;
+ }
+}
+
+void EncodeRGB8(u8 *dst, u8 *src, u32 format)
+{
+ u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
+ s32 tSpan, sBlkSpan, tBlkSpan;
+ u32 readStride = 3;
+
+ switch(format)
+ {
+ case GX_TF_I4:
+ SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ sBlkSize /= 2;
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst = RGB8_to_I(src[0], src[1], src[2]) & 0xf0;
+ src += readStride;
+
+ *dst |= RGB8_to_I(src[0], src[1], src[2]) >> 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = RGB8_to_I(src[0], src[1], src[2]);
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_TF_IA4:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = 0xf0 | (RGB8_to_I(src[0], src[1], src[2]) >> 4);
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_TF_IA8:
+ SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = 0xff;
+ *dst++ = RGB8_to_I(src[0], src[1], src[2]);
+
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_TF_RGB565:
+ SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ u16 val = ((src[0] << 8) & 0xf800) | ((src[1] << 3) & 0x07e0) | ((src[2] >> 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ u16 val = 0x8000 | ((src[0] << 7) & 0x7c00) | ((src[1] << 2) & 0x03e0) | ((src[2] >> 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ dst[0] = 0xff;
+ dst[1] = src[0];
+ dst[32] = src[1];
+ dst[33] = src[2];
+ 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);
+ sBlkSize /= 2;
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst = src[0] & 0xf0;
+ src += readStride;
+
+ *dst |= src[0] >> 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = 0xf0 | (src[0] >> 4);
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_RA8:
+ SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = 0xff;
+ *dst++ = src[0];
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_A8:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = src[0];
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_G8:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = src[2];
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_RG8:
+ SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = src[1];
+ *dst++ = src[0];
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ case GX_CTF_GB8:
+ SetBlockDimensions(2, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ ENCODE_LOOP_BLOCKS
+ {
+ *dst++ = src[2];
+ *dst++ = src[1];
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ default:
+ PanicAlert("Unknown texture copy format: 0x%x\n", format);
+ break;
+ }
+}
+
+void EncodeRGB8halfscale(u8 *dst, u8 *src, u32 format)
+{
+ u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
+ s32 tSpan, sBlkSpan, tBlkSpan;
+ u8 r, g, b;
+ u32 readStride = 6;
+
+ switch(format)
+ {
+ case GX_TF_I4:
+ SetBlockDimensions(3, 3, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ sBlkSize /= 2;
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGB_to_x8(src, r, 0);
+ *dst = r & 0xf0;
+ src += readStride;
+
+ boxfilterRGB_to_x8(src, r, 0);
+ *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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGB_to_x8(src, r, 0);
+ *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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGB_to_x8(src, r, 0);
+ *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);
+ 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGB_to_x8(src, r, 0);
+ *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);
+ 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGB_to_x8(src, b, 2);
+ *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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGB_to_xx8(src, r, g, 0, 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);
+ ENCODE_LOOP_BLOCKS
+ {
+ boxfilterRGB_to_xx8(src, g, b, 1, 2);
+ *dst++ = b;
+ *dst++ = g;
+ src += readStride;
+ }
+ ENCODE_LOOP_SPANS
+ break;
+
+ default:
+ PanicAlert("Unknown texture copy format: 0x%x\n", format);
+ break;
+ }
+}
+
+void EncodeZ24(u8 *dst, u8 *src, u32 format)
+{
+ u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
+ s32 tSpan, sBlkSpan, tBlkSpan;
+ u32 readStride = 3;
+
+ switch(format)
+ {
+ case GX_TF_Z8:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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;
+ }
+}
+
+void EncodeZ24halfscale(u8 *dst, u8 *src, u32 format)
+{
+ u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
+ s32 tSpan, sBlkSpan, tBlkSpan;
+ u32 readStride = 6;
+ u8 r, g, b;
+
+ switch(format)
+ {
+ case GX_TF_Z8:
+ SetBlockDimensions(3, 2, sBlkCount, tBlkCount, sBlkSize, tBlkSize);
+ SetSpans(sBlkSize, tBlkSize, tSpan, sBlkSpan, tBlkSpan);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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)
+{
+ int pixelformat = bpmem.zcontrol.pixel_format;
+ bool bFromZBuffer = pixelformat == PIXELFMT_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 == PIXELFMT_RGBA6_Z24)
+ EncodeRGBA6halfscale(dest_ptr, src, format);
+ else if (pixelformat == PIXELFMT_RGB8_Z24)
+ EncodeRGB8halfscale(dest_ptr, src, format);
+ else if (pixelformat == PIXELFMT_RGB565_Z16) // not supported
+ EncodeRGB8halfscale(dest_ptr, src, format);
+ else if (pixelformat == PIXELFMT_Z24)
+ EncodeZ24halfscale(dest_ptr, src, format);
+ }
+ else
+ {
+ if (pixelformat == PIXELFMT_RGBA6_Z24)
+ EncodeRGBA6(dest_ptr, src, format);
+ else if (pixelformat == PIXELFMT_RGB8_Z24)
+ EncodeRGB8(dest_ptr, src, format);
+ else if (pixelformat == PIXELFMT_RGB565_Z16) // not supported
+ EncodeRGB8(dest_ptr, src, format);
+ else if (pixelformat == PIXELFMT_Z24)
+ EncodeZ24(dest_ptr, src, format);
+ }
+}
+
+
+}
\ No newline at end of file |