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texturec: Support for normal maps WIP.

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This commit is contained in:
Branimir Karadžić 2016-01-04 21:48:01 -08:00
parent 4a88d1cf4f
commit 4770831b11
9 changed files with 370 additions and 145 deletions
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18
src/bgfx.cpp
View file

@ -2846,7 +2846,7 @@ again:
tc.m_sides = 0;
tc.m_depth = 0;
tc.m_numMips = _numMips;
tc.m_format = uint8_t(_format);
tc.m_format = _format;
tc.m_cubeMap = false;
tc.m_mem = _mem;
bx::write(&writer, tc);
@ -2897,15 +2897,15 @@ again:
bx::write(&writer, magic);
TextureCreate tc;
tc.m_flags = _flags;
tc.m_width = _width;
tc.m_height = _height;
tc.m_sides = 0;
tc.m_depth = _depth;
tc.m_flags = _flags;
tc.m_width = _width;
tc.m_height = _height;
tc.m_sides = 0;
tc.m_depth = _depth;
tc.m_numMips = _numMips;
tc.m_format = uint8_t(_format);
tc.m_format = _format;
tc.m_cubeMap = false;
tc.m_mem = _mem;
tc.m_mem = _mem;
bx::write(&writer, tc);
return s_ctx->createTexture(mem, _flags, 0, NULL, BackbufferRatio::Count);
@ -2947,7 +2947,7 @@ again:
tc.m_sides = 6;
tc.m_depth = 0;
tc.m_numMips = _numMips;
tc.m_format = uint8_t(_format);
tc.m_format = _format;
tc.m_cubeMap = true;
tc.m_mem = _mem;
bx::write(&writer, tc);

2
src/bgfx_p.h
View file

@ -309,13 +309,13 @@ namespace bgfx
struct TextureCreate
{
TextureFormat::Enum m_format;
uint32_t m_flags;
uint16_t m_width;
uint16_t m_height;
uint16_t m_sides;
uint16_t m_depth;
uint8_t m_numMips;
uint8_t m_format;
bool m_cubeMap;
const Memory* m_mem;
};

348
src/image.cpp
View file

@ -253,7 +253,7 @@ namespace bgfx
uint8_t numMips = 0;
for (uint32_t width = _width, height = _height, depth = _depth
; blockWidth < width && blockHeight < height && 1 < depth
; blockWidth < width || blockHeight < height || 1 < depth
; ++numMips)
{
width = bx::uint32_max(blockWidth * minBlockX, ( (width + blockWidth - 1) / blockWidth )*blockWidth);
@ -326,7 +326,7 @@ namespace bgfx
}
}
void imageRgba8Downsample2x2Ref(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst)
void imageRgba8Downsample2x2Ref(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
{
const uint32_t dstwidth = _width/2;
const uint32_t dstheight = _height/2;
@ -340,27 +340,27 @@ namespace bgfx
uint8_t* dst = (uint8_t*)_dst;
const uint8_t* src = (const uint8_t*)_src;
for (uint32_t yy = 0, ystep = _srcPitch*2; yy < dstheight; ++yy, src += ystep)
for (uint32_t yy = 0, ystep = _pitch*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[_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];
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];
rr *= 0.25f;
gg *= 0.25f;
@ -377,7 +377,7 @@ namespace bgfx
}
}
void imageRgba8Downsample2x2(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst)
void imageRgba8Downsample2x2(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
{
const uint32_t dstwidth = _width/2;
const uint32_t dstheight = _height/2;
@ -402,15 +402,15 @@ 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 = _srcPitch*2; yy < dstheight; ++yy, src += ystep)
for (uint32_t yy = 0, ystep = _pitch*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+_srcPitch);
const float4_t abgr3 = float4_splat(rgba+_srcPitch+4);
const float4_t abgr2 = float4_splat(rgba+_pitch);
const float4_t abgr3 = float4_splat(rgba+_pitch+4);
const float4_t abgr0m = float4_and(abgr0, umask);
const float4_t abgr1m = float4_and(abgr1, umask);
@ -458,13 +458,55 @@ namespace bgfx
}
}
void imageSwizzleBgra8Ref(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst)
void imageRgba32fDownsample2x2NormalMapRef(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
{
const uint32_t dstwidth = _width/2;
const uint32_t dstheight = _height/2;
if (0 == dstwidth
|| 0 == dstheight)
{
return;
}
float* dst = (float*)_dst;
const float* src = (const float*)_src;
for (uint32_t yy = 0, ystep = _pitch*2; yy < dstheight; ++yy, src += ystep)
{
const float* rgba = src;
for (uint32_t xx = 0; xx < dstwidth; ++xx, rgba += 8, dst += 4)
{
float xyz[3];
xyz[0] = rgba[ 0];
xyz[1] = rgba[ 1];
xyz[2] = rgba[ 2];
xyz[0] += rgba[ 4];
xyz[1] += rgba[ 5];
xyz[2] += rgba[ 6];
xyz[0] += rgba[_pitch+0];
xyz[1] += rgba[_pitch+1];
xyz[2] += rgba[_pitch+2];
xyz[0] += rgba[_pitch+4];
xyz[1] += rgba[_pitch+5];
xyz[2] += rgba[_pitch+6];
bx::vec3Norm(dst, xyz);
}
}
}
void imageRgba32fDownsample2x2NormalMap(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
{
imageRgba32fDownsample2x2NormalMapRef(_width, _height, _pitch, _src, _dst);
}
void imageSwizzleBgra8Ref(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
{
const uint8_t* src = (uint8_t*) _src;
const uint8_t* next = src + _srcPitch;
const uint8_t* next = src + _pitch;
uint8_t* dst = (uint8_t*)_dst;
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _srcPitch)
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _pitch)
{
for (uint32_t xx = 0; xx < _width; ++xx, src += 4, dst += 4)
{
@ -480,7 +522,7 @@ namespace bgfx
}
}
void imageSwizzleBgra8(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst)
void imageSwizzleBgra8(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
{
// Test can we do four 4-byte pixels at the time.
if (0 != (_width&0x3)
@ -492,7 +534,7 @@ 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, _srcPitch, _src, _dst);
imageSwizzleBgra8Ref(_width, _height, _pitch, _src, _dst);
return;
}
@ -501,12 +543,12 @@ 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 + _srcPitch;
const uint8_t* next = src + _pitch;
uint8_t* dst = (uint8_t*)_dst;
const uint32_t width = _width/4;
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _srcPitch)
for (uint32_t yy = 0; yy < _height; ++yy, src = next, next += _pitch)
{
for (uint32_t xx = 0; xx < width; ++xx, src += 16, dst += 16)
{
@ -534,10 +576,10 @@ namespace bgfx
}
}
void imageCopy(uint32_t _width, uint32_t _height, uint32_t _bpp, uint32_t _srcPitch, const void* _src, void* _dst)
void imageCopy(uint32_t _width, uint32_t _height, uint32_t _bpp, uint32_t _pitch, const void* _src, void* _dst)
{
const uint32_t dstPitch = _width*_bpp/8;
imageCopy(_height, _srcPitch, _src, dstPitch, _dst);
imageCopy(_height, _pitch, _src, dstPitch, _dst);
}
uint8_t bitRangeConvert(uint32_t _in, uint32_t _from, uint32_t _to)
@ -1670,7 +1712,7 @@ namespace bgfx
_imageContainer.m_width = width;
_imageContainer.m_height = height;
_imageContainer.m_depth = depth;
_imageContainer.m_format = uint8_t(format);
_imageContainer.m_format = format;
_imageContainer.m_numMips = uint8_t( (caps[0] & DDSCAPS_MIPMAP) ? mips : 1);
_imageContainer.m_hasAlpha = hasAlpha;
_imageContainer.m_cubeMap = cubeMap;
@ -1946,7 +1988,7 @@ namespace bgfx
_imageContainer.m_width = width;
_imageContainer.m_height = height;
_imageContainer.m_depth = depth;
_imageContainer.m_format = uint8_t(format);
_imageContainer.m_format = format;
_imageContainer.m_numMips = uint8_t(numMips);
_imageContainer.m_hasAlpha = hasAlpha;
_imageContainer.m_cubeMap = numFaces > 1;
@ -2094,7 +2136,7 @@ namespace bgfx
_imageContainer.m_width = width;
_imageContainer.m_height = height;
_imageContainer.m_depth = depth;
_imageContainer.m_format = uint8_t(format);
_imageContainer.m_format = format;
_imageContainer.m_numMips = uint8_t(numMips);
_imageContainer.m_hasAlpha = hasAlpha;
_imageContainer.m_cubeMap = numFaces > 1;
@ -2161,16 +2203,17 @@ namespace bgfx
return imageParse(_imageContainer, &reader);
}
void imageDecodeToBgra8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, uint8_t _type)
void imageDecodeToBgra8(void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, TextureFormat::Enum _format)
{
const uint8_t* src = _src;
const uint8_t* src = (const uint8_t*)_src;
uint8_t* dst = (uint8_t*)_dst;
uint32_t width = _width/4;
uint32_t height = _height/4;
uint8_t temp[16*4];
switch (_type)
switch (_format)
{
case TextureFormat::BC1:
for (uint32_t yy = 0; yy < height; ++yy)
@ -2180,11 +2223,11 @@ namespace bgfx
decodeBlockDxt1(temp, src);
src += 8;
uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
memcpy(&dst[0*_pitch], &temp[ 0], 16);
memcpy(&dst[1*_pitch], &temp[16], 16);
memcpy(&dst[2*_pitch], &temp[32], 16);
memcpy(&dst[3*_pitch], &temp[48], 16);
uint8_t* block = &dst[(yy*_pitch+xx*4)*4];
memcpy(&block[0*_pitch], &temp[ 0], 16);
memcpy(&block[1*_pitch], &temp[16], 16);
memcpy(&block[2*_pitch], &temp[32], 16);
memcpy(&block[3*_pitch], &temp[48], 16);
}
}
break;
@ -2199,11 +2242,11 @@ namespace bgfx
decodeBlockDxt(temp, src);
src += 8;
uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
memcpy(&dst[0*_pitch], &temp[ 0], 16);
memcpy(&dst[1*_pitch], &temp[16], 16);
memcpy(&dst[2*_pitch], &temp[32], 16);
memcpy(&dst[3*_pitch], &temp[48], 16);
uint8_t* block = &dst[(yy*_pitch+xx*4)*4];
memcpy(&block[0*_pitch], &temp[ 0], 16);
memcpy(&block[1*_pitch], &temp[16], 16);
memcpy(&block[2*_pitch], &temp[32], 16);
memcpy(&block[3*_pitch], &temp[48], 16);
}
}
break;
@ -2218,11 +2261,11 @@ namespace bgfx
decodeBlockDxt(temp, src);
src += 8;
uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
memcpy(&dst[0*_pitch], &temp[ 0], 16);
memcpy(&dst[1*_pitch], &temp[16], 16);
memcpy(&dst[2*_pitch], &temp[32], 16);
memcpy(&dst[3*_pitch], &temp[48], 16);
uint8_t* block = &dst[(yy*_pitch+xx*4)*4];
memcpy(&block[0*_pitch], &temp[ 0], 16);
memcpy(&block[1*_pitch], &temp[16], 16);
memcpy(&block[2*_pitch], &temp[32], 16);
memcpy(&block[3*_pitch], &temp[48], 16);
}
}
break;
@ -2235,11 +2278,11 @@ namespace bgfx
decodeBlockDxt45A(temp, src);
src += 8;
uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
memcpy(&dst[0*_pitch], &temp[ 0], 16);
memcpy(&dst[1*_pitch], &temp[16], 16);
memcpy(&dst[2*_pitch], &temp[32], 16);
memcpy(&dst[3*_pitch], &temp[48], 16);
uint8_t* block = &dst[(yy*_pitch+xx*4)*4];
memcpy(&block[0*_pitch], &temp[ 0], 16);
memcpy(&block[1*_pitch], &temp[16], 16);
memcpy(&block[2*_pitch], &temp[32], 16);
memcpy(&block[3*_pitch], &temp[48], 16);
}
}
break;
@ -2263,11 +2306,11 @@ namespace bgfx
temp[ii*4+3] = 0;
}
uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
memcpy(&dst[0*_pitch], &temp[ 0], 16);
memcpy(&dst[1*_pitch], &temp[16], 16);
memcpy(&dst[2*_pitch], &temp[32], 16);
memcpy(&dst[3*_pitch], &temp[48], 16);
uint8_t* block = &dst[(yy*_pitch+xx*4)*4];
memcpy(&block[0*_pitch], &temp[ 0], 16);
memcpy(&block[1*_pitch], &temp[16], 16);
memcpy(&block[2*_pitch], &temp[32], 16);
memcpy(&block[3*_pitch], &temp[48], 16);
}
}
break;
@ -2281,11 +2324,11 @@ namespace bgfx
decodeBlockEtc12(temp, src);
src += 8;
uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
memcpy(&dst[0*_pitch], &temp[ 0], 16);
memcpy(&dst[1*_pitch], &temp[16], 16);
memcpy(&dst[2*_pitch], &temp[32], 16);
memcpy(&dst[3*_pitch], &temp[48], 16);
uint8_t* block = &dst[(yy*_pitch+xx*4)*4];
memcpy(&block[0*_pitch], &temp[ 0], 16);
memcpy(&block[1*_pitch], &temp[16], 16);
memcpy(&block[2*_pitch], &temp[32], 16);
memcpy(&block[3*_pitch], &temp[48], 16);
}
}
break;
@ -2317,11 +2360,11 @@ namespace bgfx
{
decodeBlockPtc14(temp, src, xx, yy, width, height);
uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
memcpy(&dst[0*_pitch], &temp[ 0], 16);
memcpy(&dst[1*_pitch], &temp[16], 16);
memcpy(&dst[2*_pitch], &temp[32], 16);
memcpy(&dst[3*_pitch], &temp[48], 16);
uint8_t* block = &dst[(yy*_pitch+xx*4)*4];
memcpy(&block[0*_pitch], &temp[ 0], 16);
memcpy(&block[1*_pitch], &temp[16], 16);
memcpy(&block[2*_pitch], &temp[32], 16);
memcpy(&block[3*_pitch], &temp[48], 16);
}
}
break;
@ -2333,11 +2376,11 @@ namespace bgfx
{
decodeBlockPtc14A(temp, src, xx, yy, width, height);
uint8_t* dst = &_dst[(yy*_pitch+xx*4)*4];
memcpy(&dst[0*_pitch], &temp[ 0], 16);
memcpy(&dst[1*_pitch], &temp[16], 16);
memcpy(&dst[2*_pitch], &temp[32], 16);
memcpy(&dst[3*_pitch], &temp[48], 16);
uint8_t* block = &dst[(yy*_pitch+xx*4)*4];
memcpy(&block[0*_pitch], &temp[ 0], 16);
memcpy(&block[1*_pitch], &temp[16], 16);
memcpy(&block[2*_pitch], &temp[32], 16);
memcpy(&block[3*_pitch], &temp[48], 16);
}
}
break;
@ -2367,9 +2410,9 @@ namespace bgfx
}
}
void imageDecodeToRgba8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, uint8_t _type)
void imageDecodeToRgba8(void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, TextureFormat::Enum _format)
{
switch (_type)
switch (_format)
{
case TextureFormat::RGBA8:
memcpy(_dst, _src, _pitch*_height);
@ -2380,12 +2423,139 @@ namespace bgfx
break;
default:
imageDecodeToBgra8(_dst, _src, _width, _height, _pitch, _type);
imageDecodeToBgra8(_dst, _src, _width, _height, _pitch, _format);
imageSwizzleBgra8(_width, _height, _pitch, _dst, _dst);
break;
}
}
void imageRgba8ToRgba32fRef(void* _dst, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src)
{
const uint32_t dstwidth = _width;
const uint32_t dstheight = _height;
if (0 == dstwidth
|| 0 == dstheight)
{
return;
}
float* dst = (float*)_dst;
const uint8_t* src = (const uint8_t*)_src;
for (uint32_t yy = 0, ystep = _pitch; yy < dstheight; ++yy, src += ystep)
{
const uint8_t* rgba = src;
for (uint32_t xx = 0; xx < dstwidth; ++xx, rgba += 4, dst += 4)
{
dst[0] = powf(rgba[ 0], 2.2f);
dst[1] = powf(rgba[ 1], 2.2f);
dst[2] = powf(rgba[ 2], 2.2f);
dst[3] = rgba[ 3];
}
}
}
void imageRgba8ToRgba32f(void* _dst, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src)
{
const uint32_t dstwidth = _width;
const uint32_t dstheight = _height;
if (0 == dstwidth
|| 0 == dstheight)
{
return;
}
float* dst = (float*)_dst;
const uint8_t* src = (const uint8_t*)_src;
using namespace bx;
const float4_t unpack = float4_ld(1.0f, 1.0f/256.0f, 1.0f/65536.0f, 1.0f/16777216.0f);
const float4_t umask = float4_ild(0xff, 0xff00, 0xff0000, 0xff000000);
const float4_t pmask = float4_ild(0xff, 0x7f80, 0xff0000, 0x7f800000);
const float4_t wflip = float4_ild(0, 0, 0, 0x80000000);
const float4_t wadd = float4_ld(0.0f, 0.0f, 0.0f, 32768.0f*65536.0f);
const float4_t gamma = float4_ld(1.0f/2.2f, 1.0f/2.2f, 1.0f/2.2f, 1.0f);
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; yy < dstheight; ++yy, src += ystep)
{
const uint8_t* rgba = src;
for (uint32_t xx = 0; xx < dstwidth; ++xx, rgba += 4, dst += 4)
{
const float4_t abgr0 = float4_splat(rgba);
const float4_t abgr0m = float4_and(abgr0, umask);
const float4_t abgr0x = float4_xor(abgr0m, wflip);
const float4_t abgr0f = float4_itof(abgr0x);
const float4_t abgr0c = float4_add(abgr0f, wadd);
const float4_t abgr0n = float4_mul(abgr0c, unpack);
const float4_t abgr0l = float4_pow(abgr0n, linear);
float4_st(dst, abgr0l);
}
}
}
void imageDecodeToRgba32f(bx::AllocatorI* _allocator, void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, TextureFormat::Enum _format)
{
const uint8_t* src = (const uint8_t*)_src;
float* dst = (float*)_dst;
uint32_t width = _width/4;
uint32_t height = _height/4;
uint8_t temp[16*4];
switch (_format)
{
case TextureFormat::BC5:
for (uint32_t yy = 0; yy < height; ++yy)
{
for (uint32_t xx = 0; xx < width; ++xx)
{
decodeBlockDxt45A(temp+1, src);
src += 8;
decodeBlockDxt45A(temp+2, src);
src += 8;
for (uint32_t ii = 0; ii < 16; ++ii)
{
float nx = temp[ii*4+2]*2.0f/255.0f - 1.0f;
float ny = temp[ii*4+1]*2.0f/255.0f - 1.0f;
float nz = sqrtf(1.0f - nx*nx - ny*ny);
float* block = &dst[( (yy + ii/4)*_pitch+xx*4+ii%4)*16];
block[0] = nx;
block[1] = ny;
block[2] = nz;
block[3] = 0.0f;
}
}
}
break;
case TextureFormat::RGBA32F:
memcpy(_dst, _src, _pitch*_height);
break;
case TextureFormat::RGBA8:
imageRgba8ToRgba32f(_dst, _width, _height, _pitch, _src);
break;
default:
{
void* temp = BX_ALLOC(_allocator, imageGetSize(_format, _pitch/4, _height) );
imageDecodeToRgba8(temp, _src, _width, _height, _pitch, _format);
imageRgba8ToRgba32f(_dst, _width, _height, _pitch, temp);
BX_FREE(_allocator, temp);
}
break;
}
}
bool imageGetRawData(const ImageContainer& _imageContainer, uint8_t _side, uint8_t _lod, const void* _data, uint32_t _size, ImageMip& _mip)
{
uint32_t offset = _imageContainer.m_offset;
@ -2443,7 +2613,7 @@ namespace bgfx
_mip.m_size = size;
_mip.m_data = &data[offset];
_mip.m_bpp = bpp;
_mip.m_format = uint8_t(format);
_mip.m_format = format;
_mip.m_hasAlpha = hasAlpha;
return true;
}
@ -2484,7 +2654,7 @@ namespace bgfx
_mip.m_size = size;
_mip.m_data = &data[offset];
_mip.m_bpp = bpp;
_mip.m_format = uint8_t(format);
_mip.m_format = format;
_mip.m_hasAlpha = hasAlpha;
return true;
}
@ -2504,7 +2674,7 @@ namespace bgfx
return false;
}
void imageWriteTga(bx::WriterI* _writer, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip)
void imageWriteTga(bx::WriterI* _writer, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, bool _grayscale, bool _yflip)
{
uint8_t type = _grayscale ? 3 : 2;
uint8_t bpp = _grayscale ? 8 : 32;
@ -2523,16 +2693,16 @@ namespace bgfx
uint32_t dstPitch = _width*bpp/8;
if (_yflip)
{
uint8_t* data = (uint8_t*)_src + _srcPitch*_height - _srcPitch;
uint8_t* data = (uint8_t*)_src + _pitch*_height - _pitch;
for (uint32_t yy = 0; yy < _height; ++yy)
{
bx::write(_writer, data, dstPitch);
data -= _srcPitch;
data -= _pitch;
}
}
else if (_srcPitch == dstPitch)
else if (_pitch == dstPitch)
{
bx::write(_writer, _src, _height*_srcPitch);
bx::write(_writer, _src, _height*_pitch);
}
else
{
@ -2540,7 +2710,7 @@ namespace bgfx
for (uint32_t yy = 0; yy < _height; ++yy)
{
bx::write(_writer, data, dstPitch);
data += _srcPitch;
data += _pitch;
}
}
}

22
src/image.h
View file

@ -13,12 +13,12 @@ namespace bgfx
struct ImageContainer
{
void* m_data;
TextureFormat::Enum m_format;
uint32_t m_size;
uint32_t m_offset;
uint32_t m_width;
uint32_t m_height;
uint32_t m_depth;
uint8_t m_format;
uint8_t m_numMips;
bool m_hasAlpha;
bool m_cubeMap;
@ -29,12 +29,12 @@ namespace bgfx
struct ImageMip
{
TextureFormat::Enum m_format;
uint32_t m_width;
uint32_t m_height;
uint32_t m_blockSize;
uint32_t m_size;
uint8_t m_bpp;
uint8_t m_format;
bool m_hasAlpha;
const uint8_t* m_data;
};
@ -103,19 +103,22 @@ namespace bgfx
void imageCheckerboard(uint32_t _width, uint32_t _height, uint32_t _step, uint32_t _0, uint32_t _1, void* _dst);
///
void imageRgba8Downsample2x2(uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, void* _dst);
void imageRgba8Downsample2x2(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);
void imageRgba32fDownsample2x2NormalMap(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);
///
void imageSwizzleBgra8(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst);
///
void imageCopy(uint32_t _height, uint32_t _srcPitch, const void* _src, uint32_t _dstPitch, void* _dst);
///
void imageCopy(uint32_t _width, uint32_t _height, uint32_t _bpp, uint32_t _srcPitch, const void* _src, void* _dst);
void imageCopy(uint32_t _width, uint32_t _height, uint32_t _bpp, uint32_t _pitch, const void* _src, void* _dst);
///
void imageWriteTga(bx::WriterI* _writer, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip);
void imageWriteTga(bx::WriterI* _writer, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, bool _grayscale, bool _yflip);
///
void imageWriteKtx(bx::WriterI* _writer, TextureFormat::Enum _format, bool _cubeMap, uint32_t _width, uint32_t _height, uint32_t _depth, uint8_t _numMips, const void* _src);
@ -130,10 +133,13 @@ namespace bgfx
bool imageParse(ImageContainer& _imageContainer, const void* _data, uint32_t _size);
///
void imageDecodeToBgra8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, uint8_t _type);
void imageDecodeToBgra8(void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, TextureFormat::Enum _format);
///
void imageDecodeToRgba8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, uint8_t _type);
void imageDecodeToRgba8(void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, TextureFormat::Enum _format);
///
void imageDecodeToRgba32f(bx::AllocatorI* _allocator, void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint32_t _pitch, TextureFormat::Enum _format);
///
bool imageGetRawData(const ImageContainer& _imageContainer, uint8_t _side, uint8_t _index, const void* _data, uint32_t _size, ImageMip& _mip);

4
src/renderer_d3d11.cpp
View file

@ -1742,7 +1742,7 @@ BX_PRAGMA_DIAGNOSTIC_POP();
tc.m_sides = 0;
tc.m_depth = 0;
tc.m_numMips = 1;
tc.m_format = texture.m_requestedFormat;
tc.m_format = TextureFormat::Enum(texture.m_requestedFormat);
tc.m_cubeMap = false;
tc.m_mem = NULL;
bx::write(&writer, tc);
@ -4175,7 +4175,7 @@ BX_PRAGMA_DIAGNOSTIC_POP();
if (convert)
{
temp = (uint8_t*)BX_ALLOC(g_allocator, rectpitch*_rect.m_height);
imageDecodeToBgra8(temp, data, _rect.m_width, _rect.m_height, srcpitch, m_requestedFormat);
imageDecodeToBgra8(temp, data, _rect.m_width, _rect.m_height, srcpitch, TextureFormat::Enum(m_requestedFormat) );
data = temp;
}

2
src/renderer_d3d12.cpp
View file

@ -1359,7 +1359,7 @@ namespace bgfx { namespace d3d12
tc.m_sides = 0;
tc.m_depth = 0;
tc.m_numMips = 1;
tc.m_format = texture.m_requestedFormat;
tc.m_format = TextureFormat::Enum(texture.m_requestedFormat);
tc.m_cubeMap = false;
tc.m_mem = NULL;
bx::write(&writer, tc);

2
src/renderer_d3d9.cpp
View file

@ -2950,7 +2950,7 @@ namespace bgfx { namespace d3d9
if (convert)
{
temp = (uint8_t*)BX_ALLOC(g_allocator, rectpitch*_rect.m_height);
imageDecodeToBgra8(temp, data, _rect.m_width, _rect.m_height, srcpitch, m_requestedFormat);
imageDecodeToBgra8(temp, data, _rect.m_width, _rect.m_height, srcpitch, TextureFormat::Enum(m_requestedFormat) );
data = temp;
}

4
src/renderer_gl.cpp
View file

@ -2200,7 +2200,7 @@ namespace bgfx { namespace gl
tc.m_sides = 0;
tc.m_depth = 0;
tc.m_numMips = 1;
tc.m_format = texture.m_requestedFormat;
tc.m_format = TextureFormat::Enum(texture.m_requestedFormat);
tc.m_cubeMap = false;
tc.m_mem = NULL;
bx::write(&writer, tc);
@ -4316,7 +4316,7 @@ namespace bgfx { namespace gl
if (convert)
{
imageDecodeToRgba8(temp, data, width, height, srcpitch, m_requestedFormat);
imageDecodeToRgba8(temp, data, width, height, srcpitch, TextureFormat::Enum(m_requestedFormat) );
data = temp;
srcpitch = rectpitch;
}

113
tools/texturec/texturec.cpp
View file

@ -54,7 +54,7 @@ namespace bgfx
::free(mem);
}
void imageEncodeFromRgba8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint8_t _format)
void imageEncodeFromRgba8(void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint8_t _format)
{
TextureFormat::Enum format = TextureFormat::Enum(_format);
@ -65,7 +65,7 @@ namespace bgfx
case TextureFormat::BC3:
case TextureFormat::BC4:
case TextureFormat::BC5:
squish::CompressImage(_src, _width, _height, _dst
squish::CompressImage( (const uint8_t*)_src, _width, _height, _dst
, format == TextureFormat::BC2 ? squish::kDxt3
: format == TextureFormat::BC3 ? squish::kDxt5
: format == TextureFormat::BC4 ? squish::kBc4
@ -75,15 +75,15 @@ namespace bgfx
break;
case TextureFormat::BC6H:
nvtt::compressBC6H(_src, _width, _height, 4, _dst);
nvtt::compressBC6H( (const uint8_t*)_src, _width, _height, 4, _dst);
break;
case TextureFormat::BC7:
nvtt::compressBC7(_src, _width, _height, 4, _dst);
nvtt::compressBC7( (const uint8_t*)_src, _width, _height, 4, _dst);
break;
case TextureFormat::ETC1:
etc1_encode_image(_src, _width, _height, 4, _width*4, _dst);
etc1_encode_image( (const uint8_t*)_src, _width, _height, 4, _width*4, (uint8_t*)_dst);
break;
case TextureFormat::ETC2:
@ -98,7 +98,7 @@ namespace bgfx
RgbBitmap bmp;
bmp.width = _width;
bmp.height = _height;
bmp.data = const_cast<uint8_t*>(_src);
bmp.data = (uint8_t*)const_cast<void*>(_src);
PvrTcEncoder::EncodeRgb4Bpp(_dst, bmp);
bmp.data = NULL;
}
@ -113,7 +113,7 @@ namespace bgfx
RgbaBitmap bmp;
bmp.width = _width;
bmp.height = _height;
bmp.data = const_cast<uint8_t*>(_src);
bmp.data = (uint8_t*)const_cast<void*>(_src);
PvrTcEncoder::EncodeRgba4Bpp(_dst, bmp);
bmp.data = NULL;
}
@ -136,6 +136,20 @@ namespace bgfx
}
}
void imageEncodeFromRgba32f(void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint8_t _format)
{
TextureFormat::Enum format = TextureFormat::Enum(_format);
switch (format)
{
case TextureFormat::RGBA8:
break;
default:
break;
}
BX_UNUSED(_dst, _src, _width, _height, _format);
}
} // namespace bgfx
void help(const char* _error = NULL)
@ -168,6 +182,7 @@ void help(const char* _error = NULL)
" -o <file path> Output file path (file will be written in KTX format).\n"
" -t <format> Output format type (BC1/2/3/4/5, ETC1, PVR14, etc.).\n"
" -m, --mips Generate mip-maps.\n"
" -n, --normalmap Input texture is normal map.\n"
"\n"
"For additional information, see https://github.com/bkaradzic/bgfx\n"
@ -205,7 +220,6 @@ int main(int _argc, const char* _argv[])
return EXIT_FAILURE;
}
const bool mips = cmdLine.hasArg('m', "mips");
const char* type = cmdLine.findOption('t');
bgfx::TextureFormat::Enum format = bgfx::TextureFormat::BGRA8;
@ -220,6 +234,9 @@ int main(int _argc, const char* _argv[])
}
}
const bool mips = cmdLine.hasArg('m', "mips");
const bool normalMap = cmdLine.hasArg('n', "normalmap");
uint32_t size = (uint32_t)bx::getSize(&reader);
const bgfx::Memory* mem = bgfx::alloc(size);
bx::read(&reader, mem->data, mem->size);
@ -271,40 +288,72 @@ int main(int _argc, const char* _argv[])
ImageMip mip;
if (imageGetRawData(imageContainer, 0, 0, mem->data, mem->size, mip) )
{
uint32_t size = imageGetSize(TextureFormat::RGBA8, mip.m_width, mip.m_height);
uint8_t* rgba = (uint8_t*)BX_ALLOC(&allocator, size);
imageDecodeToRgba8(rgba
, mip.m_data
, mip.m_width
, mip.m_height
, mip.m_width*mip.m_bpp/8
, mip.m_format
);
uint8_t numMips = mips
? imageGetNumMips(format, mip.m_width, mip.m_height)
: 1
;
imageContainer.m_size = imageGetSize(format, mip.m_width, mip.m_height, 0, false, numMips);
imageContainer.m_format = format;
output = alloc(imageContainer.m_size);
imageEncodeFromRgba8(output->data, rgba, mip.m_width, mip.m_height, format);
void* temp = NULL;
for (uint8_t lod = 1; lod < numMips; ++lod)
if (normalMap)
{
ImageMip mip1;
imageGetRawData(imageContainer, 0, lod, output->data, output->size, mip1);
uint8_t* data = const_cast<uint8_t*>(mip1.m_data);
uint32_t size = imageGetSize(TextureFormat::RGBA32F, mip.m_width, mip.m_height);
temp = BX_ALLOC(&allocator, size);
float* rgba = (float*)temp;
uint32_t width = bx::uint32_max(1, mip.m_width >>lod);
uint32_t height = bx::uint32_max(1, mip.m_height>>lod);
imageRgba8Downsample2x2(width, height, width*4, rgba, rgba);
imageEncodeFromRgba8(data, rgba, mip.m_width, mip.m_height, format);
imageDecodeToRgba32f(&allocator
, rgba
, mip.m_data
, mip.m_width
, mip.m_height
, mip.m_width*mip.m_bpp/8
, TextureFormat::Enum(mip.m_format)
);
imageContainer.m_size = imageGetSize(format, mip.m_width, mip.m_height, 0, false, numMips);
imageContainer.m_format = format;
output = alloc(imageContainer.m_size);
imageEncodeFromRgba32f(output->data, rgba, mip.m_width, mip.m_height, format);
for (uint8_t lod = 1; lod < numMips; ++lod)
{
ImageMip mip1;
imageGetRawData(imageContainer, 0, lod, output->data, output->size, mip1);
uint8_t* data = const_cast<uint8_t*>(mip1.m_data);
uint32_t width = bx::uint32_max(1, mip.m_width >>lod);
uint32_t height = bx::uint32_max(1, mip.m_height>>lod);
imageRgba32fDownsample2x2NormalMap(width, height, width*4, rgba, rgba);
imageEncodeFromRgba32f(data, rgba, mip.m_width, mip.m_height, format);
}
}
else
{
uint32_t size = imageGetSize(TextureFormat::RGBA8, mip.m_width, mip.m_height);
temp = BX_ALLOC(&allocator, size);
uint8_t* rgba = (uint8_t*)temp;
imageContainer.m_size = imageGetSize(format, mip.m_width, mip.m_height, 0, false, numMips);
imageContainer.m_format = format;
output = alloc(imageContainer.m_size);
imageEncodeFromRgba8(output->data, rgba, mip.m_width, mip.m_height, format);
for (uint8_t lod = 1; lod < numMips; ++lod)
{
ImageMip mip1;
imageGetRawData(imageContainer, 0, lod, output->data, output->size, mip1);
uint8_t* data = const_cast<uint8_t*>(mip1.m_data);
uint32_t width = bx::uint32_max(1, mip.m_width >>lod);
uint32_t height = bx::uint32_max(1, mip.m_height>>lod);
imageRgba8Downsample2x2(width, height, width*4, rgba, rgba);
imageEncodeFromRgba8(data, rgba, mip.m_width, mip.m_height, format);
}
}
BX_FREE(&allocator, rgba);
BX_FREE(&allocator, temp);
}
if (NULL != output)