blob: 94829bbe1aedf0038b0b56c2310a0b2570b5f052 [file] [log] [blame]
// SwiftShader Software Renderer
//
// Copyright(c) 2005-2013 TransGaming Inc.
//
// All rights reserved. No part of this software may be copied, distributed, transmitted,
// transcribed, stored in a retrieval system, translated into any human or computer
// language by any means, or disclosed to third parties without the explicit written
// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
// or implied, including but not limited to any patent rights, are granted to you.
//
#include "Image.hpp"
#include "Texture.h"
#include "utilities.h"
#include "../common/debug.h"
#include "Common/Thread.hpp"
#define _GDI32_
#include <windows.h>
#include <GL/GL.h>
#include <GL/glext.h>
namespace gl
{
static sw::Resource *getParentResource(Texture *texture)
{
if(texture)
{
return texture->getResource();
}
return 0;
}
Image::Image(Texture *parentTexture, GLsizei width, GLsizei height, GLenum format, GLenum type)
: parentTexture(parentTexture), width(width), height(height), format(format), type(type)
, internalFormat(selectInternalFormat(format, type)), multiSampleDepth(1)
, sw::Surface(getParentResource(parentTexture), width, height, 1, selectInternalFormat(format, type), true, true)
{
referenceCount = 1;
}
Image::Image(Texture *parentTexture, GLsizei width, GLsizei height, sw::Format internalFormat, int multiSampleDepth, bool lockable, bool renderTarget)
: parentTexture(parentTexture), width(width), height(height), internalFormat(internalFormat), format(0 /*GL_NONE*/), type(0 /*GL_NONE*/), multiSampleDepth(multiSampleDepth)
, sw::Surface(getParentResource(parentTexture), width, height, multiSampleDepth, internalFormat, lockable, renderTarget)
{
referenceCount = 1;
}
Image::~Image()
{
ASSERT(referenceCount == 0);
}
void *Image::lock(unsigned int left, unsigned int top, sw::Lock lock)
{
return lockExternal(left, top, 0, lock, sw::PUBLIC);
}
unsigned int Image::getPitch() const
{
return getExternalPitchB();
}
void Image::unlock()
{
unlockExternal();
}
int Image::getWidth()
{
return width;
}
int Image::getHeight()
{
return height;
}
GLenum Image::getFormat()
{
return format;
}
GLenum Image::getType()
{
return type;
}
sw::Format Image::getInternalFormat()
{
return internalFormat;
}
int Image::getMultiSampleDepth()
{
return multiSampleDepth;
}
void Image::addRef()
{
if(parentTexture)
{
return parentTexture->addRef();
}
sw::atomicIncrement(&referenceCount);
}
void Image::release()
{
if(parentTexture)
{
return parentTexture->release();
}
if(referenceCount > 0)
{
sw::atomicDecrement(&referenceCount);
}
if(referenceCount == 0)
{
delete this;
}
}
void Image::unbind()
{
parentTexture = 0;
release();
}
sw::Format Image::selectInternalFormat(GLenum format, GLenum type)
{
if(type == GL_NONE && format == GL_NONE)
{
return sw::FORMAT_NULL;
}
else
#if S3TC_SUPPORT
if(format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT ||
format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT)
{
return sw::FORMAT_DXT1;
}
else if(format == GL_COMPRESSED_RGBA_S3TC_DXT3_EXT)
{
return sw::FORMAT_DXT3;
}
else if(format == GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
{
return sw::FORMAT_DXT5;
}
else
#endif
if(type == GL_FLOAT)
{
return sw::FORMAT_A32B32G32R32F;
}
else if(type == GL_HALF_FLOAT)
{
return sw::FORMAT_A16B16G16R16F;
}
else if(type == GL_UNSIGNED_BYTE)
{
if(format == GL_LUMINANCE)
{
return sw::FORMAT_L8;
}
else if(format == GL_LUMINANCE_ALPHA)
{
return sw::FORMAT_A8L8;
}
else if(format == GL_RGBA || format == GL_BGRA_EXT)
{
return sw::FORMAT_A8R8G8B8;
}
else if(format == GL_RGB)
{
return sw::FORMAT_X8R8G8B8;
}
else if(format == GL_ALPHA)
{
return sw::FORMAT_A8;
}
else UNREACHABLE();
}
else if(type == GL_UNSIGNED_SHORT || type == GL_UNSIGNED_INT)
{
if(format == GL_DEPTH_COMPONENT)
{
return sw::FORMAT_D32FS8_TEXTURE;
}
else UNREACHABLE();
}
else if(type == GL_UNSIGNED_INT_24_8_EXT)
{
if(format == GL_DEPTH_STENCIL_EXT)
{
return sw::FORMAT_D32FS8_TEXTURE;
}
else UNREACHABLE();
}
else if(type == GL_UNSIGNED_SHORT_4_4_4_4)
{
return sw::FORMAT_A8R8G8B8;
}
else if(type == GL_UNSIGNED_SHORT_5_5_5_1)
{
return sw::FORMAT_A8R8G8B8;
}
else if(type == GL_UNSIGNED_SHORT_5_6_5)
{
return sw::FORMAT_X8R8G8B8;
}
else if(type == GL_UNSIGNED_INT_8_8_8_8_REV)
{
return sw::FORMAT_A8R8G8B8;
}
else UNREACHABLE();
return sw::FORMAT_A8R8G8B8;
}
void Image::loadImageData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLint unpackAlignment, const void *input)
{
GLsizei inputPitch = ComputePitch(width, format, type, unpackAlignment);
void *buffer = lock(0, 0, sw::LOCK_WRITEONLY);
if(buffer)
{
switch(type)
{
case GL_UNSIGNED_BYTE:
case GL_UNSIGNED_INT_8_8_8_8_REV:
switch(format)
{
case GL_ALPHA:
loadAlphaImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_LUMINANCE:
loadLuminanceImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_LUMINANCE_ALPHA:
loadLuminanceAlphaImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_RGB:
loadRGBUByteImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_RGBA:
loadRGBAUByteImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_BGRA_EXT:
loadBGRAImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
default: UNREACHABLE();
}
break;
case GL_UNSIGNED_SHORT_5_6_5:
switch(format)
{
case GL_RGB:
loadRGB565ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
default: UNREACHABLE();
}
break;
case GL_UNSIGNED_SHORT_4_4_4_4:
switch(format)
{
case GL_RGBA:
loadRGBA4444ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
default: UNREACHABLE();
}
break;
case GL_UNSIGNED_SHORT_5_5_5_1:
switch(format)
{
case GL_RGBA:
loadRGBA5551ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
default: UNREACHABLE();
}
break;
case GL_FLOAT:
switch(format)
{
// float textures are converted to RGBA, not BGRA
case GL_ALPHA:
loadAlphaFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_LUMINANCE:
loadLuminanceFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_LUMINANCE_ALPHA:
loadLuminanceAlphaFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_RGB:
loadRGBFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_RGBA:
loadRGBAFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
default: UNREACHABLE();
}
break;
case GL_HALF_FLOAT:
switch(format)
{
// float textures are converted to RGBA, not BGRA
case GL_ALPHA:
loadAlphaHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_LUMINANCE:
loadLuminanceHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_LUMINANCE_ALPHA:
loadLuminanceAlphaHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_RGB:
loadRGBHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_RGBA:
loadRGBAHalfFloatImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
default: UNREACHABLE();
}
break;
case GL_UNSIGNED_SHORT:
loadD16ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_UNSIGNED_INT:
loadD32ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
case GL_UNSIGNED_INT_24_8_EXT:
loadD24S8ImageData(xoffset, yoffset, width, height, inputPitch, input, buffer);
break;
default: UNREACHABLE();
}
}
unlock();
}
void Image::loadAlphaImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset;
memcpy(dest, source, width);
}
}
void Image::loadAlphaFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = 0;
dest[4 * x + 1] = 0;
dest[4 * x + 2] = 0;
dest[4 * x + 3] = source[x];
}
}
}
void Image::loadAlphaHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned short *dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8);
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = 0;
dest[4 * x + 1] = 0;
dest[4 * x + 2] = 0;
dest[4 * x + 3] = source[x];
}
}
}
void Image::loadLuminanceImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset;
memcpy(dest, source, width);
}
}
void Image::loadLuminanceFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x];
dest[4 * x + 1] = source[x];
dest[4 * x + 2] = source[x];
dest[4 * x + 3] = 1.0f;
}
}
}
void Image::loadLuminanceHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned short *dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8);
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x];
dest[4 * x + 1] = source[x];
dest[4 * x + 2] = source[x];
dest[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16bit flpt representation of 1
}
}
}
void Image::loadLuminanceAlphaImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 2;
memcpy(dest, source, width * 2);
}
}
void Image::loadLuminanceAlphaFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[2*x+0];
dest[4 * x + 1] = source[2*x+0];
dest[4 * x + 2] = source[2*x+0];
dest[4 * x + 3] = source[2*x+1];
}
}
}
void Image::loadLuminanceAlphaHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned short *dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8);
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[2*x+0];
dest[4 * x + 1] = source[2*x+0];
dest[4 * x + 2] = source[2*x+0];
dest[4 * x + 3] = source[2*x+1];
}
}
}
void Image::loadRGBUByteImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 2];
dest[4 * x + 1] = source[x * 3 + 1];
dest[4 * x + 2] = source[x * 3 + 0];
dest[4 * x + 3] = 0xFF;
}
}
}
void Image::loadRGB565ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
for(int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
dest[4 * x + 0] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2);
dest[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9);
dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
dest[4 * x + 3] = 0xFF;
}
}
}
void Image::loadRGBFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 0];
dest[4 * x + 1] = source[x * 3 + 1];
dest[4 * x + 2] = source[x * 3 + 2];
dest[4 * x + 3] = 1.0f;
}
}
}
void Image::loadRGBHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned short *dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8);
for(int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 0];
dest[4 * x + 1] = source[x * 3 + 1];
dest[4 * x + 2] = source[x * 3 + 2];
dest[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16bit flpt representation of 1
}
}
}
void Image::loadRGBAUByteImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned int *source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned int *dest = reinterpret_cast<unsigned int*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4);
for(int x = 0; x < width; x++)
{
unsigned int rgba = source[x];
dest[x] = (rgba & 0xFF00FF00) | ((rgba << 16) & 0x00FF0000) | ((rgba >> 16) & 0x000000FF);
}
}
}
void Image::loadRGBA4444ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
for(int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
dest[4 * x + 0] = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4);
dest[4 * x + 1] = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8);
dest[4 * x + 2] = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12);
dest[4 * x + 3] = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0);
}
}
}
void Image::loadRGBA5551ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
for(int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
dest[4 * x + 0] = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3);
dest[4 * x + 1] = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8);
dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
dest[4 * x + 3] = (rgba & 0x0001) ? 0xFF : 0;
}
}
}
void Image::loadRGBAFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const float *source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 16);
memcpy(dest, source, width * 16);
}
}
void Image::loadRGBAHalfFloatImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 8;
memcpy(dest, source, width * 8);
}
}
void Image::loadBGRAImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned char *source = static_cast<const unsigned char*>(input) + y * inputPitch;
unsigned char *dest = static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4;
memcpy(dest, source, width*4);
}
}
void Image::loadD16ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned short *source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4);
for(int x = 0; x < width; x++)
{
dest[x] = (float)source[x] / 0xFFFF;
}
}
}
void Image::loadD32ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer) const
{
for(int y = 0; y < height; y++)
{
const unsigned int *source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4);
for(int x = 0; x < width; x++)
{
dest[x] = (float)source[x] / 0xFFFFFFFF;
}
}
}
void Image::loadD24S8ImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, int inputPitch, const void *input, void *buffer)
{
for(int y = 0; y < height; y++)
{
const unsigned int *source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
float *dest = reinterpret_cast<float*>(static_cast<unsigned char*>(buffer) + (y + yoffset) * getPitch() + xoffset * 4);
for(int x = 0; x < width; x++)
{
dest[x] = (float)(source[x] & 0xFFFFFF00) / 0xFFFFFF00;
}
}
unsigned char *stencil = reinterpret_cast<unsigned char*>(lockStencil(0, sw::PUBLIC));
if(stencil)
{
for(int y = 0; y < height; y++)
{
const unsigned int *source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
unsigned char *dest = static_cast<unsigned char*>(stencil) + (y + yoffset) * getStencilPitchB() + xoffset;
for(int x = 0; x < width; x++)
{
dest[x] = static_cast<unsigned char>(source[x] & 0x000000FF); // FIXME: Quad layout
}
}
unlockStencil();
}
}
void Image::loadCompressedData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels)
{
int inputPitch = ComputeCompressedPitch(width, format);
int rows = imageSize / inputPitch;
void *buffer = lock(xoffset, yoffset, sw::LOCK_WRITEONLY);
if(buffer)
{
for(int i = 0; i < rows; i++)
{
memcpy((void*)((GLbyte*)buffer + i * getPitch()), (void*)((GLbyte*)pixels + i * inputPitch), inputPitch);
}
}
unlock();
}
}