-/* $Id: dd.h,v 1.22 2000/03/21 16:10:22 brianp Exp $ */
/*
* Mesa 3-D graphics library
*** 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,
*/
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.
*/
+ GLboolean (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
+ GLint level, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ GLboolean *retainInternalCopy);
+ GLboolean (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
+ GLint level, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ GLboolean *retainInternalCopy);
+ GLboolean (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
+ GLint level, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ GLboolean *retainInternalCopy);
+ /* Called by glCompressedTexImage1/2/3D.
+ * Arguments:
+ * <target>, <level>, <internalFormat>, <data> are user specified.
+ * <texObj> is the target texture object.
+ * <texImage> is the target texture image. It will have the texture
+ * width, height, depth, border and internalFormat information.
+ * <retainInternalCopy> is returned by this function and indicates whether
+ * core Mesa should keep an internal copy of the texture image.
+ * Return GL_TRUE if operation completed, return GL_FALSE if core Mesa
+ * should do the job.
+ */
+
+ GLboolean (*CompressedTexSubImage1D)( GLcontext *ctx, GLenum target,
+ GLint level, GLint xoffset,
+ GLsizei width, GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ GLboolean (*CompressedTexSubImage2D)( GLcontext *ctx, GLenum target,
+ GLint level, GLint xoffset,
+ GLint yoffset, GLsizei width,
+ GLint height, GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ GLboolean (*CompressedTexSubImage3D)( GLcontext *ctx, GLenum target,
+ GLint level, GLint xoffset,
+ GLint yoffset, GLint zoffset,
+ GLsizei width, GLint height,
+ GLint depth, GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ /* Called by glCompressedTexSubImage1/2/3D.
+ * Arguments:
+ * <target>, <level>, <x/z/zoffset>, <width>, <height>, <depth>,
+ * <imageSize>, and <data> are user specified.
+ * <texObj> is the target texture object.
+ * <texImage> is the target texture image. It will have the texture
+ * width, height, depth, border and internalFormat information.
+ * Return GL_TRUE if operation completed, return GL_FALSE if core Mesa
+ * should do the job.
+ */
+
+ void (*GetCompressedTexImage)( GLcontext *ctx, GLenum target,
+ GLint lod, void *image,
+ const struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage );
+ /* Called by glGetCompressedTexImageARB.
+ * <target>, <lod>, <image> are specified by user.
+ * <texObj> is the source texture object.
+ * <texImage> is the source texture image.
+ */
+
+ 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 );
* 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 (*PrioritizeTexture)( GLcontext *ctx, struct gl_texture_object *t,
+ GLclampf priority );
+ /* Called by glPrioritizeTextures().
*/
void (*ActiveTexture)( GLcontext *ctx, GLuint texUnitNumber );
/* Called by glActiveTextureARB to set current texture unit.
*/
-
- 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 (*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.
*/
- void (*PrioritizeTexture)( GLcontext *ctx, struct gl_texture_object *t,
- GLclampf priority );
- /* Notify driver of priority change for a texture.
- */
/***
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