FGFS-4.1/OpenSceneGraph
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Renamed instance of variables called format to pixelFormat to make a

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clearer distinction between pixelFormat and internalTextureFormat.
This commit is contained in:
Robert Osfield 2003-09-22 09:13:22 +00:00
parent 6aac0f4e95
commit c2b02608d1
2 changed files with 18 additions and 18 deletions
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18
include/osg/Image
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@ -81,11 +81,11 @@ class SG_EXPORT Image : public Object
/* allocated a pixel block of specified size and type.*/
void allocateImage(int s,int t,int r,
GLenum format,GLenum type,
GLenum pixelFormat,GLenum type,
int packing=1);
/** set the image data and format.
/** set the image data and pixelFormat.
* note, when the packing value is negative (the default is -1) this method assumes
* a _packing width of 1 if the width is not a multiple of 4,
* otherwise automatically sets to _packing to 4. If a positive
@ -93,7 +93,7 @@ class SG_EXPORT Image : public Object
*/
void setImage(int s,int t,int r,
GLint internalTextureformat,
GLenum format,GLenum type,
GLenum pixelFormat,GLenum type,
unsigned char *data,
AllocationMode mode,
int packing=1);
@ -101,10 +101,10 @@ class SG_EXPORT Image : public Object
/** readPixels from screen at specified position and size, using glReadPixels.
* Create memory for storage if required, reuse existing pixel coords if possible.*/
void readPixels(int x,int y,int width,int height,
GLenum format,GLenum type);
GLenum pixelFormat,GLenum type);
/** read the contents of the current bound texture, handling compressed formats if present.
/** read the contents of the current bound texture, handling compressed pixelFormats if present.
* Create memory for storage if required, reuse existing pixel coords if possible.*/
void readImageFromCurrentTexture(unsigned int contextID=0);
@ -136,7 +136,7 @@ class SG_EXPORT Image : public Object
void setInternalTextureFormat(GLint internalFormat);
inline GLint getInternalTextureFormat() const { return _internalTextureFormat; }
void setPixelFormat(GLenum format);
void setPixelFormat(GLenum pixelFormat);
inline GLenum getPixelFormat() const { return _pixelFormat; }
inline GLenum getDataType() const { return _dataType; }
@ -201,9 +201,9 @@ class SG_EXPORT Image : public Object
static bool isPackedType(GLenum type);
static unsigned int computeNumComponents(GLenum format);
static unsigned int computePixelSizeInBits(GLenum format,GLenum type);
static unsigned int computeRowWidthInBytes(int width,GLenum format,GLenum type,int packing);
static unsigned int computeNumComponents(GLenum pixelFormat);
static unsigned int computePixelSizeInBits(GLenum pixelFormat,GLenum type);
static unsigned int computeRowWidthInBytes(int width,GLenum pixelFormat,GLenum type,int packing);
static int computeNearestPowerOfTwo(int s,float bias=0.5f);
// precomputed mipmaps stuff;

18
src/osg/Image.cpp
View File

@ -137,9 +137,9 @@ bool Image::isPackedType(GLenum type)
}
}
unsigned int Image::computeNumComponents(GLenum format)
unsigned int Image::computeNumComponents(GLenum pixelFormat)
{
switch(format)
switch(pixelFormat)
{
case(GL_COMPRESSED_RGB_S3TC_DXT1_EXT): return 3;
case(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT): return 4;
@ -160,7 +160,7 @@ unsigned int Image::computeNumComponents(GLenum format)
case(GL_LUMINANCE_ALPHA): return 2;
default:
{
notify(WARN)<<"error format = "<<std::hex<<format<<std::endl;
notify(WARN)<<"error pixelFormat = "<<std::hex<<pixelFormat<<std::endl;
return 0;
}
}
@ -215,9 +215,9 @@ unsigned int Image::computePixelSizeInBits(GLenum format,GLenum type)
}
unsigned int Image::computeRowWidthInBytes(int width,GLenum format,GLenum type,int packing)
unsigned int Image::computeRowWidthInBytes(int width,GLenum pixelFormat,GLenum type,int packing)
{
unsigned int pixelSize = computePixelSizeInBits(format,type);
unsigned int pixelSize = computePixelSizeInBits(pixelFormat,type);
int widthInBits = width*pixelSize;
int packingInBits = packing*8;
//notify(INFO) << "width="<<width<<" pixelSize="<<pixelSize<<" width in bit="<<widthInBits<<" packingInBits="<<packingInBits<<" widthInBits%packingInBits="<<widthInBits%packingInBits<<std::endl;
@ -280,15 +280,15 @@ void Image::setInternalTextureFormat(GLint internalFormat)
_internalTextureFormat = internalFormat;
}
void Image::setPixelFormat(GLenum format)
void Image::setPixelFormat(GLenum pixelFormat)
{
if (_pixelFormat==format) return; // do nothing if the same.
if (_pixelFormat==pixelFormat) return; // do nothing if the same.
if (computeNumComponents(_pixelFormat)==computeNumComponents(format))
if (computeNumComponents(_pixelFormat)==computeNumComponents(pixelFormat))
{
// if the two formats have the same number of componets then
// we can do a straight swap.
_pixelFormat = format;
_pixelFormat = pixelFormat;
}
else
{