Copy libGLESv2 to libGL.
Bug 18962347
Change-Id: I1864755cac7f009119d0efb5278d7dfe3e669354
Reviewed-on: https://swiftshader-review.googlesource.com/1723
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
diff --git a/src/OpenGL/libGL/Image.cpp b/src/OpenGL/libGL/Image.cpp
new file mode 100644
index 0000000..97b08d4
--- /dev/null
+++ b/src/OpenGL/libGL/Image.cpp
@@ -0,0 +1,663 @@
+// 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"
+
+#include <GLES2/gl2ext.h>
+
+namespace es2
+{
+ 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)
+ , egl::Image(getParentResource(parentTexture), width, height, format, type, selectInternalFormat(format, type))
+ {
+ referenceCount = 1;
+ }
+
+ Image::Image(Texture *parentTexture, GLsizei width, GLsizei height, sw::Format internalFormat, int multiSampleDepth, bool lockable, bool renderTarget)
+ : parentTexture(parentTexture)
+ , egl::Image(getParentResource(parentTexture), width, height, multiSampleDepth, internalFormat, lockable, renderTarget)
+ {
+ referenceCount = 1;
+ }
+
+ Image::~Image()
+ {
+ ASSERT(referenceCount == 0);
+ }
+
+ 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)
+ {
+ ASSERT(!shared); // Should still hold a reference if eglDestroyImage hasn't been called
+ delete this;
+ }
+ }
+
+ void Image::unbind(const egl::Texture *parent)
+ {
+ if(parentTexture == parent)
+ {
+ parentTexture = 0;
+ }
+
+ release();
+ }
+
+ sw::Format Image::selectInternalFormat(GLenum format, GLenum type)
+ {
+ if(format == GL_ETC1_RGB8_OES)
+ {
+ return sw::FORMAT_ETC1;
+ }
+ 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_ANGLE)
+ {
+ return sw::FORMAT_DXT3;
+ }
+ else if(format == GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE)
+ {
+ return sw::FORMAT_DXT5;
+ }
+ else
+ #endif
+ if(type == GL_FLOAT)
+ {
+ return sw::FORMAT_A32B32G32R32F;
+ }
+ else if(type == GL_HALF_FLOAT_OES)
+ {
+ 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_OES)
+ {
+ if(format == GL_DEPTH_STENCIL_OES)
+ {
+ 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 UNREACHABLE();
+
+ return sw::FORMAT_A8R8G8B8;
+ }
+
+ void Image::loadImageData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, 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:
+ 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_OES:
+ 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_OES:
+ 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, GLsizei width, GLsizei height, 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();
+ }
+}
\ No newline at end of file
