dolphin/Source/Plugins/Plugin_VideoSoftware/Src/TextureEncoder.cpp

1443 lines
43 KiB
C++

// 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 &x8, 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;
}
x8 = (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 &x8, 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;
}
x8 = 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, s32 &writeStride)
{
// 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
writeStride = bpmem.copyMipMapStrideChannels * 32;
}
#define ENCODE_LOOP_BLOCKS \
for (int tBlk = 0; tBlk < tBlkCount; tBlk++) { \
dst = dstBlockStart; \
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; \
dstBlockStart += writeStride; \
} \
#define ENCODE_LOOP_SPANS2 \
} \
src += tSpan; \
} \
src += sBlkSpan; \
dst += 32; \
} \
src += tBlkSpan; \
dstBlockStart += writeStride; \
} \
void EncodeRGBA6(u8 *dst, u8 *src, u32 format)
{
u16 sBlkCount, tBlkCount, sBlkSize, tBlkSize;
s32 tSpan, sBlkSpan, tBlkSpan, writeStride;
u8 r, g, b, a;
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
{
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, 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, 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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, 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[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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, writeStride);
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, 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[0];
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[2];
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[0];
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[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, 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, 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, writeStride);
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, writeStride);
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, 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, 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, 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, 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, writeStride);
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, writeStride);
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, 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;
}
}
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)
{
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);
}
}
}