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Added a helper function for generating pointer offsets and changed type names to…

Added a helper function for generating pointer offsets and changed type names to include size for clarity. TRAC #22705 Signed-off-by: Jamie Madill Signed-off-by: Shannon Woods Author: Geoff Lang git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2160 736b8ea6-26fd-11df-bfd4-992fa37f6226
parent 4760c563
Showing with 67 additions and 56 deletions
src/libGLESv2/renderer/Image.cpp
......@@ -23,19 +23,31 @@ Image::Image()
mActualFormat = GL_NONE;
}
template <typename T>
inline static T *offsetDataPointer(void *data, int y, int z, int rowPitch, int depthPitch)
{
return reinterpret_cast<T*>(reinterpret_cast<unsigned char*>(data) + (y * rowPitch) + (z * depthPitch));
}
template <typename T>
inline static const T *offsetDataPointer(const void *data, int y, int z, int rowPitch, int depthPitch)
{
return reinterpret_cast<const T*>(reinterpret_cast<const unsigned char*>(data) + (y * rowPitch) + (z * depthPitch));
}
void Image::loadAlphaDataToBGRA(GLsizei width, GLsizei height, GLsizei depth,
int inputRowPitch, int inputDepthPitch, const void *input,
size_t outputRowPitch, size_t outputDepthPitch, void *output)
{
const unsigned char *source = NULL;
unsigned char *dest = NULL;
for (int z = 0; z < depth; z++)
{
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch;
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = 0;
......@@ -58,8 +70,8 @@ void Image::loadAlphaDataToNative(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch;
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
memcpy(dest, source, width);
}
}
......@@ -76,8 +88,8 @@ void Image::loadAlphaFloatDataToRGBA(GLsizei width, GLsizei height, GLsizei dept
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = 0;
......@@ -100,8 +112,8 @@ void Image::loadAlphaHalfFloatDataToRGBA(GLsizei width, GLsizei height, GLsizei
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = 0;
......@@ -125,9 +137,8 @@ void Image::loadLuminanceDataToNativeOrBGRA(GLsizei width, GLsizei height, GLsiz
{
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch;
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
if (!native) // BGRA8 destination format
{
for (int x = 0; x < width; x++)
......@@ -157,8 +168,8 @@ void Image::loadLuminanceFloatDataToRGBA(GLsizei width, GLsizei height, GLsizei
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x];
......@@ -181,8 +192,8 @@ void Image::loadLuminanceFloatDataToRGB(GLsizei width, GLsizei height, GLsizei d
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[3 * x + 0] = source[x];
......@@ -204,8 +215,8 @@ void Image::loadLuminanceHalfFloatDataToRGBA(GLsizei width, GLsizei height, GLsi
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x];
......@@ -229,8 +240,8 @@ void Image::loadLuminanceAlphaDataToNativeOrBGRA(GLsizei width, GLsizei height,
{
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch;
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
if (!native) // BGRA8 destination format
{
......@@ -261,8 +272,8 @@ void Image::loadLuminanceAlphaFloatDataToRGBA(GLsizei width, GLsizei height, GLs
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[2*x+0];
......@@ -285,8 +296,8 @@ void Image::loadLuminanceAlphaHalfFloatDataToRGBA(GLsizei width, GLsizei height,
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[2*x+0];
......@@ -309,8 +320,8 @@ void Image::loadRGBUByteDataToBGRX(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch;
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 2];
......@@ -333,8 +344,8 @@ void Image::loadRGBUByteDataToRGBA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch;
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 0];
......@@ -357,8 +368,8 @@ void Image::loadRGB565DataToBGRA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
......@@ -382,8 +393,8 @@ void Image::loadRGB565DataToRGBA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
......@@ -407,8 +418,8 @@ void Image::loadRGBFloatDataToRGBA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 0];
......@@ -431,8 +442,8 @@ void Image::loadRGBFloatDataToNative(GLsizei width, GLsizei height, GLsizei dept
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
memcpy(dest, source, width * 12);
}
}
......@@ -449,8 +460,8 @@ void Image::loadRGBHalfFloatDataToRGBA(GLsizei width, GLsizei height, GLsizei de
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<unsigned short*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
dest[4 * x + 0] = source[x * 3 + 0];
......@@ -473,8 +484,8 @@ void Image::loadRGBAUByteDataToBGRA(GLsizei width, GLsizei height, GLsizei depth
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<unsigned int*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<unsigned int>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
......@@ -496,8 +507,8 @@ void Image::loadRGBAUByteDataToNative(GLsizei width, GLsizei height, GLsizei dep
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<unsigned int*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<unsigned int>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
memcpy(dest, source, width * 4);
}
......@@ -515,8 +526,8 @@ void Image::loadRGBA4444DataToBGRA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
......@@ -540,8 +551,8 @@ void Image::loadRGBA4444DataToRGBA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
......@@ -565,8 +576,8 @@ void Image::loadRGBA5551DataToBGRA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
......@@ -590,8 +601,8 @@ void Image::loadRGBA5551DataToRGBA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
for (int x = 0; x < width; x++)
{
unsigned short rgba = source[x];
......@@ -615,8 +626,8 @@ void Image::loadRGBAFloatDataToRGBA(GLsizei width, GLsizei height, GLsizei depth
{
for (int y = 0; y < height; y++)
{
source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch);
dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch);
source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
memcpy(dest, source, width * 16);
}
}
......@@ -633,8 +644,8 @@ void Image::loadRGBAHalfFloatDataToRGBA(GLsizei width, GLsizei height, GLsizei d
{
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch;
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
memcpy(dest, source, width * 8);
}
}
......@@ -651,8 +662,8 @@ void Image::loadBGRADataToBGRA(GLsizei width, GLsizei height, GLsizei depth,
{
for (int y = 0; y < height; y++)
{
source = static_cast<const unsigned char*>(input) + y * inputRowPitch + z * inputDepthPitch;
dest = static_cast<unsigned char*>(output) + y * outputRowPitch + z * outputDepthPitch;
source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
memcpy(dest, source, width*4);
}
}
......
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