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authorBrian Paul <brianp@vmware.com>2011-07-19 15:24:47 -0600
committerBrian Paul <brianp@vmware.com>2011-07-19 15:28:43 -0600
commitf0e306c3430e4d8f6c8e085537807007a488f1e2 (patch)
treeede50f8ebf42729b47093e1339bebfefb1d339ff /src/mesa/main/dd.h
parent0f20e2e18f902b4319851643e1775a18c2aacb3d (diff)
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mesa: update, shorten some comments in dd.h
Diffstat (limited to 'src/mesa/main/dd.h')
-rw-r--r--src/mesa/main/dd.h51
1 files changed, 13 insertions, 38 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 9fe6d52..e1ae30f 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -189,31 +189,22 @@ struct dd_function_table {
/*@{*/
/**
- * Choose texture format.
- *
- * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback
- * functions. The driver should examine \p internalFormat and return a
- * gl_format value.
+ * Choose actual hardware texture format given the user-provided source
+ * image format and type and the desired internal format. In some
+ * cases, srcFormat and srcType can be GL_NONE.
+ * Called by glTexImage(), etc.
*/
GLuint (*ChooseTextureFormat)( struct gl_context *ctx, GLint internalFormat,
GLenum srcFormat, GLenum srcType );
/**
- * Called by glTexImage1D().
- *
- * \param target user specified.
- * \param format user specified.
- * \param type user specified.
- * \param pixels user specified.
- * \param packing indicates the image packing of pixels.
+ * Called by glTexImage1D(). Simply copy the source texture data into the
+ * destination texture memory. The gl_texture_image fields, etc. will be
+ * fully initialized.
+ * The parameters are the same as glTexImage1D(), plus:
+ * \param packing describes how to unpack the source data.
* \param texObj is the target texture object.
- * \param texImage is the target texture image. It will have the texture \p
- * width, \p height, \p depth, \p border and \p internalFormat information.
- *
- * \p retainInternalCopy is returned by this function and indicates whether
- * core Mesa should keep an internal copy of the texture image.
- *
- * Drivers should call a fallback routine from texstore.c if needed.
+ * \param texImage is the target texture image.
*/
void (*TexImage1D)( struct gl_context *ctx, GLenum target, GLint level,
GLint internalFormat,
@@ -250,25 +241,9 @@ struct dd_function_table {
struct gl_texture_image *texImage );
/**
- * Called by glTexSubImage1D().
- *
- * \param target user specified.
- * \param level user specified.
- * \param xoffset user specified.
- * \param yoffset user specified.
- * \param zoffset user specified.
- * \param width user specified.
- * \param height user specified.
- * \param depth user specified.
- * \param format user specified.
- * \param type user specified.
- * \param pixels user specified.
- * \param packing indicates the image packing of pixels.
- * \param texObj is the target texture object.
- * \param texImage is the target texture image. It will have the texture \p
- * width, \p height, \p border and \p internalFormat information.
- *
- * The driver should use a fallback routine from texstore.c if needed.
+ * Called by glTexSubImage1D(). Replace a subset of the target texture
+ * with new texel data.
+ * \sa dd_function_table::TexImage1D.
*/
void (*TexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level,
GLint xoffset, GLsizei width,