diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/Image.cpp')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/Image.cpp | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/Image.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/Image.cpp new file mode 100644 index 0000000000..57239ef74f --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/Image.cpp @@ -0,0 +1,548 @@ +#include "precompiled.h" +// +// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +// Image.h: Implements the rx::Image class, an abstract base class for the +// renderer-specific classes which will define the interface to the underlying +// surfaces or resources. + +#include "libGLESv2/renderer/Image.h" + +namespace rx +{ + +Image::Image() +{ + mWidth = 0; + mHeight = 0; + mInternalFormat = GL_NONE; + mActualFormat = GL_NONE; +} + +void Image::loadAlphaDataToBGRA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned char *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = static_cast<const unsigned char*>(input) + y * inputPitch; + dest = static_cast<unsigned char*>(output) + y * outputPitch; + 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::loadAlphaDataToNative(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned char *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = static_cast<const unsigned char*>(input) + y * inputPitch; + dest = static_cast<unsigned char*>(output) + y * outputPitch; + memcpy(dest, source, width); + } +} + +void Image::loadAlphaFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const float *source = NULL; + float *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch); + 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::loadAlphaHalfFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned short *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputPitch); + 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::loadLuminanceDataToNativeOrBGRA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output, bool native) +{ + const unsigned char *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = static_cast<const unsigned char*>(input) + y * inputPitch; + dest = static_cast<unsigned char*>(output) + y * outputPitch; + + if (!native) // BGRA8 destination format + { + 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] = 0xFF; + } + } + else // L8 destination format + { + memcpy(dest, source, width); + } + } +} + +void Image::loadLuminanceFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const float *source = NULL; + float *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch); + 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::loadLuminanceFloatDataToRGB(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const float *source = NULL; + float *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch); + for (int x = 0; x < width; x++) + { + dest[3 * x + 0] = source[x]; + dest[3 * x + 1] = source[x]; + dest[3 * x + 2] = source[x]; + } + } +} + +void Image::loadLuminanceHalfFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned short *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputPitch); + 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::loadLuminanceAlphaDataToNativeOrBGRA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output, bool native) +{ + const unsigned char *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = static_cast<const unsigned char*>(input) + y * inputPitch; + dest = static_cast<unsigned char*>(output) + y * outputPitch; + + if (!native) // BGRA8 destination format + { + 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]; + } + } + else + { + memcpy(dest, source, width * 2); + } + } +} + +void Image::loadLuminanceAlphaFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const float *source = NULL; + float *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch); + 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::loadLuminanceAlphaHalfFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned short *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputPitch); + 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::loadRGBUByteDataToBGRX(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned char *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = static_cast<const unsigned char*>(input) + y * inputPitch; + dest = static_cast<unsigned char*>(output) + y * outputPitch; + 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::loadRGBUByteDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned char *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = static_cast<const unsigned char*>(input) + y * inputPitch; + dest = static_cast<unsigned char*>(output) + y * outputPitch; + 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] = 0xFF; + } + } +} + +void Image::loadRGB565DataToBGRA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = static_cast<unsigned char*>(output) + y * outputPitch; + 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::loadRGB565DataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = static_cast<unsigned char*>(output) + y * outputPitch; + for (int x = 0; x < width; x++) + { + unsigned short rgba = source[x]; + dest[4 * x + 0] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13); + dest[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9); + dest[4 * x + 2] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2); + dest[4 * x + 3] = 0xFF; + } + } +} + +void Image::loadRGBFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const float *source = NULL; + float *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch); + 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::loadRGBFloatDataToNative(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const float *source = NULL; + float *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch); + memcpy(dest, source, width * 12); + } +} + +void Image::loadRGBHalfFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned short *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputPitch); + 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::loadRGBAUByteDataToBGRA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned int *source = NULL; + unsigned int *dest = NULL; + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<unsigned int*>(static_cast<unsigned char*>(output) + y * outputPitch); + + for (int x = 0; x < width; x++) + { + unsigned int rgba = source[x]; + dest[x] = (_rotl(rgba, 16) & 0x00ff00ff) | (rgba & 0xff00ff00); + } + } +} + +void Image::loadRGBAUByteDataToNative(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned int *source = NULL; + unsigned int *dest = NULL; + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<unsigned int*>(static_cast<unsigned char*>(output) + y * outputPitch); + + memcpy(dest, source, width * 4); + } +} + +void Image::loadRGBA4444DataToBGRA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = static_cast<unsigned char*>(output) + y * outputPitch; + 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::loadRGBA4444DataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = static_cast<unsigned char*>(output) + y * outputPitch; + for (int x = 0; x < width; x++) + { + unsigned short rgba = source[x]; + dest[4 * x + 0] = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12); + dest[4 * x + 1] = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8); + dest[4 * x + 2] = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4); + dest[4 * x + 3] = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0); + } + } +} + +void Image::loadRGBA5551DataToBGRA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = static_cast<unsigned char*>(output) + y * outputPitch; + 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::loadRGBA5551DataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned short *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = static_cast<unsigned char*>(output) + y * outputPitch; + for (int x = 0; x < width; x++) + { + unsigned short rgba = source[x]; + dest[4 * x + 0] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13); + dest[4 * x + 1] = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8); + dest[4 * x + 2] = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3); + dest[4 * x + 3] = (rgba & 0x0001) ? 0xFF : 0; + } + } +} + +void Image::loadRGBAFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const float *source = NULL; + float *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch); + dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch); + memcpy(dest, source, width * 16); + } +} + +void Image::loadRGBAHalfFloatDataToRGBA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned char *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = static_cast<const unsigned char*>(input) + y * inputPitch; + dest = static_cast<unsigned char*>(output) + y * outputPitch; + memcpy(dest, source, width * 8); + } +} + +void Image::loadBGRADataToBGRA(GLsizei width, GLsizei height, + int inputPitch, const void *input, size_t outputPitch, void *output) +{ + const unsigned char *source = NULL; + unsigned char *dest = NULL; + + for (int y = 0; y < height; y++) + { + source = static_cast<const unsigned char*>(input) + y * inputPitch; + dest = static_cast<unsigned char*>(output) + y * outputPitch; + memcpy(dest, source, width*4); + } +} + +} |