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Added workaround when unpack row length is not supported on GLES2.

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bkaradzic
2013-11-08 20:53:23 -08:00
parent b584873b50
commit ec3f5d2369
4 changed files with 71 additions and 45 deletions
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71
src/image.cpp
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@@ -66,7 +66,7 @@ namespace bgfx
}
}
void imageRgba8Downsample2x2Ref(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
void imageRgba8Downsample2x2Ref(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst)
{
const uint32_t dstwidth = _width/2;
const uint32_t dstheight = _height/2;
@@ -80,27 +80,27 @@ namespace bgfx
uint8_t* dst = (uint8_t*)_dst;
const uint8_t* src = (const uint8_t*)_src;
for (uint32_t yy = 0, ystep = _pitch*2; yy < dstheight; ++yy, src += ystep)
for (uint32_t yy = 0, ystep = _srcPitch*2; yy < dstheight; ++yy, src += ystep)
{
const uint8_t* rgba = src;
for (uint32_t xx = 0; xx < dstwidth; ++xx, rgba += 8, dst += 4)
{
float rr = powf(rgba[ 0], 2.2f);
float gg = powf(rgba[ 1], 2.2f);
float bb = powf(rgba[ 2], 2.2f);
float aa = rgba[ 3];
rr += powf(rgba[ 4], 2.2f);
gg += powf(rgba[ 5], 2.2f);
bb += powf(rgba[ 6], 2.2f);
aa += rgba[ 7];
rr += powf(rgba[_pitch+0], 2.2f);
gg += powf(rgba[_pitch+1], 2.2f);
bb += powf(rgba[_pitch+2], 2.2f);
aa += rgba[_pitch+3];
rr += powf(rgba[_pitch+4], 2.2f);
gg += powf(rgba[_pitch+5], 2.2f);
bb += powf(rgba[_pitch+6], 2.2f);
aa += rgba[_pitch+7];
float rr = powf(rgba[ 0], 2.2f);
float gg = powf(rgba[ 1], 2.2f);
float bb = powf(rgba[ 2], 2.2f);
float aa = rgba[ 3];
rr += powf(rgba[ 4], 2.2f);
gg += powf(rgba[ 5], 2.2f);
bb += powf(rgba[ 6], 2.2f);
aa += rgba[ 7];
rr += powf(rgba[_srcPitch+0], 2.2f);
gg += powf(rgba[_srcPitch+1], 2.2f);
bb += powf(rgba[_srcPitch+2], 2.2f);
aa += rgba[_srcPitch+3];
rr += powf(rgba[_srcPitch+4], 2.2f);
gg += powf(rgba[_srcPitch+5], 2.2f);
bb += powf(rgba[_srcPitch+6], 2.2f);
aa += rgba[_srcPitch+7];
rr *= 0.25f;
gg *= 0.25f;
@@ -117,7 +117,7 @@ namespace bgfx
}
}
void imageRgba8Downsample2x2(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
void imageRgba8Downsample2x2(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst)
{
const uint32_t dstwidth = _width/2;
const uint32_t dstheight = _height/2;
@@ -142,15 +142,15 @@ namespace bgfx
const float4_t linear = float4_ld(2.2f, 2.2f, 2.2f, 1.0f);
const float4_t quater = float4_splat(0.25f);
for (uint32_t yy = 0, ystep = _pitch*2; yy < dstheight; ++yy, src += ystep)
for (uint32_t yy = 0, ystep = _srcPitch*2; yy < dstheight; ++yy, src += ystep)
{
const uint8_t* rgba = src;
for (uint32_t xx = 0; xx < dstwidth; ++xx, rgba += 8, dst += 4)
{
const float4_t abgr0 = float4_splat(rgba);
const float4_t abgr1 = float4_splat(rgba+4);
const float4_t abgr2 = float4_splat(rgba+_pitch);
const float4_t abgr3 = float4_splat(rgba+_pitch+4);
const float4_t abgr2 = float4_splat(rgba+_srcPitch);
const float4_t abgr3 = float4_splat(rgba+_srcPitch+4);
const float4_t abgr0m = float4_and(abgr0, umask);
const float4_t abgr1m = float4_and(abgr1, umask);
@@ -198,13 +198,13 @@ namespace bgfx
}
}
void imageSwizzleBgra8Ref(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
void imageSwizzleBgra8Ref(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst)
{
const uint8_t* src = (uint8_t*) _src;
const uint8_t* next = src + _pitch;
const uint8_t* next = src + _srcPitch;
uint8_t* dst = (uint8_t*)_dst;
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _pitch)
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _srcPitch)
{
for (uint32_t xx = 0; xx < _width; ++xx, src += 4, dst += 4)
{
@@ -220,7 +220,7 @@ namespace bgfx
}
}
void imageSwizzleBgra8(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
void imageSwizzleBgra8(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst)
{
// Test can we do four 4-byte pixels at the time.
if (0 != (_width&0x3)
@@ -232,7 +232,7 @@ namespace bgfx
BX_WARN(bx::isPtrAligned(_src, 16), "Source %p is not 16-byte aligned.", _src);
BX_WARN(bx::isPtrAligned(_dst, 16), "Destination %p is not 16-byte aligned.", _dst);
BX_WARN(_width < 4, "Image width must be multiple of 4 (width %d).", _width);
imageSwizzleBgra8Ref(_width, _height, _pitch, _src, _dst);
imageSwizzleBgra8Ref(_width, _height, _srcPitch, _src, _dst);
return;
}
@@ -241,12 +241,12 @@ namespace bgfx
const float4_t mf0f0 = float4_isplat(0xff00ff00);
const float4_t m0f0f = float4_isplat(0x00ff00ff);
const uint8_t* src = (uint8_t*) _src;
const uint8_t* next = src + _pitch;
const uint8_t* next = src + _srcPitch;
uint8_t* dst = (uint8_t*)_dst;
const uint32_t width = _width/4;
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _pitch)
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _srcPitch)
{
for (uint32_t xx = 0; xx < width; ++xx, src += 16, dst += 16)
{
@@ -262,6 +262,19 @@ namespace bgfx
}
}
void imageCopy(uint32_t _width, uint32_t _height, uint32_t _bpp, uint32_t _srcPitch, const void* _src, void* _dst)
{
const uint32_t pitch = _width*_bpp/8;
const uint8_t* src = (uint8_t*) _src;
const uint8_t* next = src + _srcPitch;
uint8_t* dst = (uint8_t*)_dst;
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _srcPitch)
{
memcpy(dst, src, pitch);
}
}
void imageWriteTga(bx::WriterI* _writer, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip)
{
uint8_t type = _grayscale ? 3 : 2;