-/* $Id: dd.h,v 1.20 2000/03/20 23:45:59 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Else, only write stencil[i] if mask[i] is non-zero.
*/
-
void (*ReadStencilSpan)( GLcontext *ctx, GLuint n, GLint x, GLint y,
GLstencil stencil[] );
/* Read a horizontal span of stencil values from the stencil buffer.
*/
-
void (*WriteStencilPixels)( GLcontext *ctx, GLuint n,
const GLint x[], const GLint y[],
const GLstencil stencil[],
*/
-
/***
- *** Accelerated point, line, polygon, glDrawPixels and glBitmap functions:
+ *** glDraw/Read/CopyPixels and glBitmap functions:
***/
- points_func PointsFunc;
- line_func LineFunc;
- triangle_func TriangleFunc;
- quad_func QuadFunc;
- rect_func RectFunc;
-
-
GLboolean (*DrawPixels)( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
/* This is called by glBitmap. Works the same as DrawPixels, above.
*/
+
/***
*** Texture mapping functions:
***/
- void (*TexEnv)( GLcontext *ctx, GLenum target, GLenum pname,
- const GLfloat *param );
- /*
- * Called whenever glTexEnv*() is called.
- */
-
void (*TexImage)( GLcontext *ctx, GLenum target,
struct gl_texture_object *tObj, GLint level,
GLint internalFormat,
const struct gl_texture_image *image );
- /*
- * Called whenever a texture object's image is changed.
+ /* XXX this function is obsolete */
+ /* Called whenever a texture object's image is changed.
* texObject is the number of the texture object being changed.
* level indicates the mipmap level.
* internalFormat is the format in which the texture is to be stored.
GLsizei width, GLsizei height,
GLint internalFormat,
const struct gl_texture_image *image );
- /*
- * Called from glTexSubImage() to define a sub-region of a texture.
+ /* XXX this function is obsolete */
+ /* Called from glTexSubImage() to define a sub-region of a texture.
*/
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy );
+ struct gl_texture_image *texImage );
GLboolean (*TexSubImage2D)( GLcontext *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy );
+ struct gl_texture_image *texImage );
GLboolean (*TexSubImage3D)( GLcontext *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLint depth,
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy );
-
+ struct gl_texture_image *texImage );
/* Called by glTexSubImage1/2/3D.
* Will not be called if any glPixelTransfer operations are enabled.
* Arguments:
* <texImage> is the target texture image. It will have the texture
* width, height, border and internalFormat information.
* Return GL_TRUE if operation completed, return GL_FALSE if core Mesa
- * should do the job. If GL_FALSE is returned, this function will be
- * called a second time after the texture image has been unpacked into
- * GLubytes. It may be easier for the driver to handle then.
+ * should do the job. If GL_FALSE is returned, then TexImage1/2/3D will
+ * be called with the complete texture image.
*/
-
-
-
GLboolean (*CopyTexImage1D)( GLcontext *ctx, GLenum target, GLint level,
GLenum internalFormat, GLint x, GLint y,
GLsizei width, GLint border );
*/
GLvoid *(*GetTexImage)( GLcontext *ctx, GLenum target, GLint level,
+ const struct gl_texture_object *texObj,
GLenum *formatOut, GLenum *typeOut,
GLboolean *freeImageOut );
/* Called by glGetTexImage or by core Mesa when a texture image
* Core Mesa will perform any image format/type conversions that are needed.
*/
+ void (*TexEnv)( GLcontext *ctx, GLenum target, GLenum pname,
+ const GLfloat *param );
+ /* Called by glTexEnv*().
+ */
+
void (*TexParameter)( GLcontext *ctx, GLenum target,
- struct gl_texture_object *tObj,
+ struct gl_texture_object *texObj,
GLenum pname, const GLfloat *params );
- /*
- * Called whenever glTexParameter*() is called.
- * target is GL_TEXTURE_1D or GL_TEXTURE_2D
- * texObject is the texture object to modify
- * pname is one of GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER,
- * GL_TEXTURE_WRAP_S, GL_TEXTURE_WRAP_T, or GL_TEXTURE_BORDER_COLOR.
- * params is dependant on pname. See man glTexParameter.
+ /* Called by glTexParameter*().
+ * <target> is user specified
+ * <texObj> the texture object to modify
+ * <pname> is one of GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER,
+ * GL_TEXTURE_WRAP_[STR], or GL_TEXTURE_BORDER_COLOR.
+ * <params> is user specified.
*/
void (*BindTexture)( GLcontext *ctx, GLenum target,
struct gl_texture_object *tObj );
- /*
- * Called whenever glBindTexture() is called. This specifies which
- * texture is to be the current one. No dirty flags will be set.
+ /* Called by glBindTexture().
*/
void (*DeleteTexture)( GLcontext *ctx, struct gl_texture_object *tObj );
- /*
- * Called when a texture object is about to be deallocated. Driver
+ /* Called when a texture object is about to be deallocated. Driver
* should free anything attached to the DriverData pointers.
*/
- void (*UpdateTexturePalette)( GLcontext *ctx,
- struct gl_texture_object *tObj );
- /*
- * Called when the texture's color lookup table is changed.
- * If tObj is NULL then the shared texture palette ctx->Texture.Palette
- * was changed.
+ GLboolean (*IsTextureResident)( GLcontext *ctx,
+ struct gl_texture_object *t );
+ /* Called by glAreTextureResident().
*/
- void (*ActiveTexture)( GLcontext *ctx, GLuint texUnitNumber );
- /*
- * Called by glActiveTextureARB to set current texture unit.
+ void (*PrioritizeTexture)( GLcontext *ctx, struct gl_texture_object *t,
+ GLclampf priority );
+ /* Called by glPrioritizeTextures().
*/
-
- GLboolean (*IsTextureResident)( GLcontext *ctx,
- struct gl_texture_object *t );
- /*
- * Allows the driver to implement the AreTexturesResident tests without
- * knowing about Mesa's internal hash tables for textures.
+ void (*ActiveTexture)( GLcontext *ctx, GLuint texUnitNumber );
+ /* Called by glActiveTextureARB to set current texture unit.
*/
- void (*PrioritizeTexture)( GLcontext *ctx,
- struct gl_texture_object *t,
- GLclampf priority );
- /* Notify driver of priority change for a texture.
+ void (*UpdateTexturePalette)( GLcontext *ctx,
+ struct gl_texture_object *tObj );
+ /* Called when the texture's color lookup table is changed.
+ * If tObj is NULL then the shared texture palette ctx->Texture.Palette
+ * is to be updated.
*/
+
+ /***
+ *** Accelerated point, line, polygon, glDrawPixels and glBitmap functions:
+ ***/
+
+ points_func PointsFunc;
+ line_func LineFunc;
+ triangle_func TriangleFunc;
+ quad_func QuadFunc;
+ rect_func RectFunc;
+
+
/***
*** Transformation/Rendering functions
***/
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