add FreeTexImageData hook to help single-copy texturing in drivers

[mesa.git] / src / mesa / main / image.h

diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index b994ca27cf3262a0f96bff8de643f5cf09f755b6..6b76fd8af06cd569bcaa6ffcaa9052a35bce1630 100644 (file)
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -1,10 +1,13 @@
-/* $Id: image.h,v 1.15 2001/02/16 23:29:14 brianp Exp $ */
+/**
+ * \file image.h
+ * Image handling.
+ */
 
 /*
  * Mesa 3-D graphics library
- * Version:  3.5
+ * Version:  6.3
  *
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -32,9 +35,6 @@
 #include "mtypes.h"
 
 
-extern const struct gl_pixelstore_attrib _mesa_native_packing;
-
-
 extern void
 _mesa_swap2( GLushort *p, GLuint n );
 
@@ -54,21 +54,49 @@ extern GLint
 _mesa_bytes_per_pixel( GLenum format, GLenum type );
 
 extern GLboolean
-_mesa_is_legal_format_and_type( GLenum format, GLenum type );
+_mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type );
 
 
 extern GLvoid *
-_mesa_image_address( const struct gl_pixelstore_attrib *packing,
-                     const GLvoid *image, GLsizei width,
-                     GLsizei height, GLenum format, GLenum type,
+_mesa_image_address( GLuint dimensions,
+                     const struct gl_pixelstore_attrib *packing,
+                     const GLvoid *image,
+                     GLsizei width, GLsizei height,
+                     GLenum format, GLenum type,
                      GLint img, GLint row, GLint column );
 
+extern GLvoid *
+_mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
+                       const GLvoid *image,
+                       GLsizei width,
+                       GLenum format, GLenum type,
+                       GLint column );
+
+extern GLvoid *
+_mesa_image_address2d( const struct gl_pixelstore_attrib *packing,
+                       const GLvoid *image,
+                       GLsizei width, GLsizei height,
+                       GLenum format, GLenum type,
+                       GLint row, GLint column );
+
+extern GLvoid *
+_mesa_image_address3d( const struct gl_pixelstore_attrib *packing,
+                       const GLvoid *image,
+                       GLsizei width, GLsizei height,
+                       GLenum format, GLenum type,
+                       GLint img, GLint row, GLint column );
+
 
 extern GLint
 _mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
                         GLint width, GLenum format, GLenum type );
 
 
+extern GLint
+_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
+                          GLint width, GLint height,
+                          GLenum format, GLenum type );
+
 extern void
 _mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32],
                               const struct gl_pixelstore_attrib *unpacking );
@@ -89,7 +117,11 @@ _mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
 
 
 extern void
-_mesa_pack_float_rgba_span( GLcontext *ctx,
+_mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLuint transferOps,
+                              GLuint n, GLfloat rgba[][4]);
+
+extern void
+_mesa_pack_rgba_span_float( GLcontext *ctx,
                             GLuint n, CONST GLfloat rgba[][4],
                             GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
                             const struct gl_pixelstore_attrib *dstPacking,
@@ -97,15 +129,15 @@ _mesa_pack_float_rgba_span( GLcontext *ctx,
 
 
 extern void
-_mesa_pack_rgba_span( GLcontext *ctx,
-                      GLuint n, CONST GLchan rgba[][4],
-                      GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
-                      const struct gl_pixelstore_attrib *dstPacking,
-                      GLuint transferOps );
+_mesa_pack_rgba_span_chan( GLcontext *ctx,
+                           GLuint n, CONST GLchan rgba[][4],
+                           GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
+                           const struct gl_pixelstore_attrib *dstPacking,
+                           GLuint transferOps );
 
 
 extern void
-_mesa_unpack_chan_color_span( GLcontext *ctx,
+_mesa_unpack_color_span_chan( GLcontext *ctx,
                               GLuint n, GLenum dstFormat, GLchan dest[],
                               GLenum srcFormat, GLenum srcType,
                               const GLvoid *source,
@@ -114,12 +146,12 @@ _mesa_unpack_chan_color_span( GLcontext *ctx,
 
 
 extern void
-_mesa_unpack_float_color_span( GLcontext *ctx,
+_mesa_unpack_color_span_float( GLcontext *ctx,
                                GLuint n, GLenum dstFormat, GLfloat dest[],
                                GLenum srcFormat, GLenum srcType,
                                const GLvoid *source,
                                const struct gl_pixelstore_attrib *srcPacking,
-                               GLuint transferOps, GLboolean clamp );
+                               GLuint transferOps );
 
 
 extern void
@@ -151,21 +183,35 @@ _mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
 
 
 extern void
-_mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLdepth *dest,
+_mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLfloat *dest,
                          GLenum srcType, const GLvoid *source,
-                         const struct gl_pixelstore_attrib *srcPacking,
-                         GLuint transferOps );
+                         const struct gl_pixelstore_attrib *srcPacking );
 
 extern void
-_mesa_pack_depth_span( const GLcontext *ctx, GLuint n, GLdepth *dest,
+_mesa_pack_depth_span( const GLcontext *ctx, GLuint n, GLvoid *dest,
                        GLenum dstType, const GLfloat *depthSpan,
                        const struct gl_pixelstore_attrib *dstPacking );
 
 
 extern void *
-_mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth,
+_mesa_unpack_image( GLuint dimensions,
+                    GLsizei width, GLsizei height, GLsizei depth,
                     GLenum format, GLenum type, const GLvoid *pixels,
                     const struct gl_pixelstore_attrib *unpack );
 
 
+extern GLboolean
+_mesa_clip_drawpixels(const GLcontext *ctx,
+                      GLint *destX, GLint *destY,
+                      GLsizei *width, GLsizei *height,
+                      GLint *skipPixels, GLint *skipRows);
+
+
+extern GLboolean
+_mesa_clip_readpixels(const GLcontext *ctx,
+                      GLint *destX, GLint *destY,
+                      GLsizei *width, GLsizei *height,
+                      GLint *skipPixels, GLint *skipRows);
+
+
 #endif