forked from dolphin-emu/dolphin
1440 lines
40 KiB
C++
1440 lines
40 KiB
C++
// Copyright 2009 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "Common/Align.h"
|
|
#include "Common/CommonFuncs.h"
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/MsgHandler.h"
|
|
|
|
#include "VideoBackends/Software/EfbInterface.h"
|
|
#include "VideoBackends/Software/TextureEncoder.h"
|
|
|
|
#include "VideoCommon/BPMemory.h"
|
|
#include "VideoCommon/LookUpTables.h"
|
|
#include "VideoCommon/TextureDecoder.h"
|
|
|
|
namespace TextureEncoder
|
|
{
|
|
static inline void RGBA_to_RGBA8(const u8* src, u8* r, u8* g, u8* b, u8* a)
|
|
{
|
|
u32 srcColor = *(u32*)src;
|
|
*a = Convert6To8(srcColor & 0x3f);
|
|
*b = Convert6To8((srcColor >> 6) & 0x3f);
|
|
*g = Convert6To8((srcColor >> 12) & 0x3f);
|
|
*r = Convert6To8((srcColor >> 18) & 0x3f);
|
|
}
|
|
|
|
static inline void RGBA_to_RGB8(const u8* src, u8* r, u8* g, u8* b)
|
|
{
|
|
u32 srcColor = *(u32*)src;
|
|
*b = Convert6To8((srcColor >> 6) & 0x3f);
|
|
*g = Convert6To8((srcColor >> 12) & 0x3f);
|
|
*r = Convert6To8((srcColor >> 18) & 0x3f);
|
|
}
|
|
|
|
static 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 4 samples with the source texel being the top left of the box
|
|
// components are scaled to the range 0-255 after all samples are taken
|
|
|
|
static inline void BoxfilterRGBA_to_RGBA8(const u8* src, u8* r, u8* g, u8* b, u8* a)
|
|
{
|
|
u16 r16 = 0, g16 = 0, b16 = 0, a16 = 0;
|
|
|
|
for (int y = 0; y < 2; y++)
|
|
{
|
|
for (int x = 0; x < 2; x++)
|
|
{
|
|
u32 srcColor = *(u32*)src;
|
|
|
|
a16 += srcColor & 0x3f;
|
|
b16 += (srcColor >> 6) & 0x3f;
|
|
g16 += (srcColor >> 12) & 0x3f;
|
|
r16 += (srcColor >> 18) & 0x3f;
|
|
|
|
src += 3; // move to next pixel
|
|
}
|
|
src += (640 - 2) * 3; // move to next line
|
|
}
|
|
|
|
*r = r16 + (r16 >> 6);
|
|
*g = g16 + (g16 >> 6);
|
|
*b = b16 + (b16 >> 6);
|
|
*a = a16 + (a16 >> 6);
|
|
}
|
|
|
|
static inline void BoxfilterRGBA_to_RGB8(const u8* src, u8* r, u8* g, u8* b)
|
|
{
|
|
u16 r16 = 0, g16 = 0, b16 = 0;
|
|
|
|
for (int y = 0; y < 2; y++)
|
|
{
|
|
for (int x = 0; x < 2; x++)
|
|
{
|
|
u32 srcColor = *(u32*)src;
|
|
|
|
b16 += (srcColor >> 6) & 0x3f;
|
|
g16 += (srcColor >> 12) & 0x3f;
|
|
r16 += (srcColor >> 18) & 0x3f;
|
|
|
|
src += 3; // move to next pixel
|
|
}
|
|
src += (640 - 2) * 3; // move to next line
|
|
}
|
|
|
|
*r = r16 + (r16 >> 6);
|
|
*g = g16 + (g16 >> 6);
|
|
*b = b16 + (b16 >> 6);
|
|
}
|
|
|
|
static inline void BoxfilterRGBA_to_x8(const u8* src, u8* x8, int shift)
|
|
{
|
|
u16 x16 = 0;
|
|
|
|
for (int y = 0; y < 2; y++)
|
|
{
|
|
for (int x = 0; x < 2; x++)
|
|
{
|
|
u32 srcColor = *(u32*)src;
|
|
|
|
x16 += (srcColor >> shift) & 0x3f;
|
|
|
|
src += 3; // move to next pixel
|
|
}
|
|
src += (640 - 2) * 3; // move to next line
|
|
}
|
|
|
|
*x8 = x16 + (x16 >> 6);
|
|
}
|
|
|
|
static inline void BoxfilterRGBA_to_xx8(const u8* src, u8* x1, u8* x2, int shift1, int shift2)
|
|
{
|
|
u16 x16_1 = 0;
|
|
u16 x16_2 = 0;
|
|
|
|
for (int y = 0; y < 2; y++)
|
|
{
|
|
for (int x = 0; x < 2; x++)
|
|
{
|
|
u32 srcColor = *(u32*)src;
|
|
|
|
x16_1 += (srcColor >> shift1) & 0x3f;
|
|
x16_2 += (srcColor >> shift2) & 0x3f;
|
|
|
|
src += 3; // move to next pixel
|
|
}
|
|
src += (640 - 2) * 3; // move to next line
|
|
}
|
|
|
|
*x1 = x16_1 + (x16_1 >> 6);
|
|
*x2 = x16_2 + (x16_2 >> 6);
|
|
}
|
|
|
|
static inline void BoxfilterRGB_to_RGB8(const u8* src, u8* r, u8* g, u8* b)
|
|
{
|
|
u16 r16 = 0, g16 = 0, b16 = 0;
|
|
|
|
for (int y = 0; y < 2; y++)
|
|
{
|
|
for (int x = 0; x < 2; x++)
|
|
{
|
|
b16 += src[0];
|
|
g16 += src[1];
|
|
r16 += src[2];
|
|
|
|
src += 3; // move to next pixel
|
|
}
|
|
src += (640 - 2) * 3; // move to next line
|
|
}
|
|
|
|
*r = r16 >> 2;
|
|
*g = g16 >> 2;
|
|
*b = b16 >> 2;
|
|
}
|
|
|
|
static inline void BoxfilterRGB_to_x8(const u8* src, u8* x8, int comp)
|
|
{
|
|
u16 x16 = 0;
|
|
|
|
for (int y = 0; y < 2; y++)
|
|
{
|
|
for (int x = 0; x < 2; x++)
|
|
{
|
|
x16 += src[comp];
|
|
|
|
src += 3; // move to next pixel
|
|
}
|
|
src += (640 - 2) * 3; // move to next line
|
|
}
|
|
|
|
*x8 = x16 >> 2;
|
|
}
|
|
|
|
static inline void BoxfilterRGB_to_xx8(const u8* src, u8* x1, u8* x2, int comp1, int comp2)
|
|
{
|
|
u16 x16_1 = 0;
|
|
u16 x16_2 = 0;
|
|
|
|
for (int y = 0; y < 2; y++)
|
|
{
|
|
for (int x = 0; x < 2; x++)
|
|
{
|
|
x16_1 += src[comp1];
|
|
x16_2 += src[comp2];
|
|
|
|
src += 3; // move to next pixel
|
|
}
|
|
src += (640 - 2) * 3; // move to next line
|
|
}
|
|
|
|
*x1 = x16_1 >> 2;
|
|
*x2 = x16_2 >> 2;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static 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 = Common::AlignUp(width, sBlkSize);
|
|
|
|
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; \
|
|
}
|
|
|
|
static void EncodeRGBA6(u8* dst, const 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 >> 8) & 0xf800) | ((srcColor >> 7) & 0x07e0) | ((srcColor >> 7) & 0x001f);
|
|
*(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 alpha = (srcColor << 9) & 0x7000;
|
|
u16 val;
|
|
if (alpha == 0x7000) // 555
|
|
val = 0x8000 | ((srcColor >> 9) & 0x7c00) | ((srcColor >> 8) & 0x03e0) |
|
|
((srcColor >> 7) & 0x001f);
|
|
else // 4443
|
|
val = alpha | ((srcColor >> 12) & 0x0f00) | ((srcColor >> 10) & 0x00f0) |
|
|
((srcColor >> 8) & 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 = (srcColor >> 16) & 0xf0;
|
|
|
|
srcColor = *(u32*)src;
|
|
src += readStride;
|
|
*dst |= (srcColor >> 20) & 0x0f;
|
|
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++ = ((srcColor << 2) & 0xf0) | ((srcColor >> 20) & 0x0f);
|
|
}
|
|
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 & 0x3f);
|
|
*dst++ = Convert6To8((srcColor >> 18) & 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 & 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 >> 18) & 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 >> 12) & 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 >> 6) & 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 >> 12) & 0x3f);
|
|
*dst++ = Convert6To8((srcColor >> 18) & 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 >> 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, const 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) & 0x001f);
|
|
*(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) & 0x001f);
|
|
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, const 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) & 0x001f);
|
|
*(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) & 0x001f);
|
|
*(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, const 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) & 0x001f);
|
|
*(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) & 0x001f);
|
|
*(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, const 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, const 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;
|
|
|
|
const 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);
|
|
}
|
|
}
|
|
}
|