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added device driver ReadPixels and CopyPixels functions

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This commit is contained in:
Brian Paul 2000-03-03 15:38:57 +00:00
parent 54ec0cbfa9
commit c232ecbfdf
1 changed files with 20 additions and 1 deletions
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21
src/mesa/main/dd.h
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@ -1,4 +1,4 @@
/* $Id: dd.h,v 1.12 2000/02/27 20:38:15 keithw Exp $ */
/* $Id: dd.h,v 1.13 2000/03/03 15:38:57 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -478,6 +478,25 @@ struct dd_function_table {
* must do the job.
*/
GLboolean (*ReadPixels)( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
GLvoid *dest );
/* Called by glReadPixels.
* Return GL_TRUE if operation completed, else return GL_FALSE.
* This function must respect all glPixelTransfer settings.
*/
GLboolean (*CopyPixels)( GLcontext *ctx,
GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint dstx, GLint dsty, GLenum type );
/* Do a glCopyPixels. Return GL_TRUE if operation completed, else
* return GL_FALSE. This function must respect all rasterization
* state, glPixelTransfer, glPixelZoom, etc.
*/
GLboolean (*Bitmap)( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,