mipmap.c File Reference

#include "imports.h"
#include "mipmap.h"
#include "texcompress.h"
#include "texformat.h"
#include "teximage.h"
#include "image.h"

Go to the source code of this file.

Defines
#define	INNER_LOOP(TYPE, HOP, WOP)
#define	RESCALE_IMAGE(TYPE)
Support macros for do_row and do_row_3d
The macro madness is here for two reasons. First, it compacts the code slightly. Second, it makes it much easier to adjust the specifics of the filter to tune the rounding characteristics.
#define	DECLARE_ROW_POINTERS(t, e)
#define	DECLARE_ROW_POINTERS0(t)
#define	FILTER_SUM_3D(Aj, Ak, Bj, Bk, Cj, Ck, Dj, Dk)
#define	FILTER_3D(e)
#define	FILTER_F_3D(e)
#define	FILTER_HF_3D(e)
Functions
static GLint	bytes_per_pixel (GLenum datatype, GLuint comps)
static void	do_row (GLenum datatype, GLuint comps, GLint srcWidth, const GLvoid *srcRowA, const GLvoid *srcRowB, GLint dstWidth, GLvoid *dstRow)
static void	do_row_3D (GLenum datatype, GLuint comps, GLint srcWidth, const GLvoid *srcRowA, const GLvoid *srcRowB, const GLvoid *srcRowC, const GLvoid *srcRowD, GLint dstWidth, GLvoid *dstRow)
static void	make_1d_mipmap (GLenum datatype, GLuint comps, GLint border, GLint srcWidth, const GLubyte *srcPtr, GLint dstWidth, GLubyte *dstPtr)
static void	make_2d_mipmap (GLenum datatype, GLuint comps, GLint border, GLint srcWidth, GLint srcHeight, const GLubyte *srcPtr, GLint srcRowStride, GLint dstWidth, GLint dstHeight, GLubyte *dstPtr, GLint dstRowStride)
static void	make_3d_mipmap (GLenum datatype, GLuint comps, GLint border, GLint srcWidth, GLint srcHeight, GLint srcDepth, const GLubyte *srcPtr, GLint srcRowStride, GLint dstWidth, GLint dstHeight, GLint dstDepth, GLubyte *dstPtr, GLint dstRowStride)
static void	make_1d_stack_mipmap (GLenum datatype, GLuint comps, GLint border, GLint srcWidth, const GLubyte *srcPtr, GLuint srcRowStride, GLint dstWidth, GLint dstHeight, GLubyte *dstPtr, GLuint dstRowStride)
static void	make_2d_stack_mipmap (GLenum datatype, GLuint comps, GLint border, GLint srcWidth, GLint srcHeight, const GLubyte *srcPtr, GLint srcRowStride, GLint dstWidth, GLint dstHeight, GLint dstDepth, GLubyte *dstPtr, GLint dstRowStride)
void	_mesa_generate_mipmap_level (GLenum target, GLenum datatype, GLuint comps, GLint border, GLint srcWidth, GLint srcHeight, GLint srcDepth, const GLubyte *srcData, GLint srcRowStride, GLint dstWidth, GLint dstHeight, GLint dstDepth, GLubyte *dstData, GLint dstRowStride)
static GLboolean	next_mipmap_level_size (GLenum target, GLint border, GLint srcWidth, GLint srcHeight, GLint srcDepth, GLint *dstWidth, GLint *dstHeight, GLint *dstDepth)
void	_mesa_generate_mipmap (GLcontext *ctx, GLenum target, struct gl_texture_object *texObj)
void	_mesa_rescale_teximage2d (GLuint bytesPerPixel, GLuint srcStrideInPixels, GLuint dstRowStride, GLint srcWidth, GLint srcHeight, GLint dstWidth, GLint dstHeight, const GLvoid *srcImage, GLvoid *dstImage)
void	_mesa_upscale_teximage2d (GLsizei inWidth, GLsizei inHeight, GLsizei outWidth, GLsizei outHeight, GLint comps, const GLchan *src, GLint srcRowStride, GLchan *dest)