#include "glxheader.h"
#include "xm_api.h"
-#include "xmesaP.h"
#include "main/context.h"
#include "main/framebuffer.h"
* and all attached renderbuffers.
* Called when:
* 1. the first time a buffer is bound to a context.
- * 2. from the XMesaResizeBuffers() API function.
- * 3. SwapBuffers. XXX probabaly from xm_flush_frontbuffer() too...
+ * 2. SwapBuffers. XXX probabaly from xm_flush_frontbuffer() too...
* Note: it's possible (and legal) for xmctx to be NULL. That can happen
* when resizing a buffer when no rendering context is bound.
*/
}
-XMesaBuffer XMesaGetCurrentBuffer( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- if (ctx) {
- XMesaBuffer xmbuf = xmesa_buffer(ctx->DrawBuffer);
- return xmbuf;
- }
- else {
- return 0;
- }
-}
-
-
-/* New in Mesa 3.1 */
-XMesaBuffer XMesaGetCurrentReadBuffer( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- if (ctx) {
- return xmesa_buffer(ctx->ReadBuffer);
- }
- else {
- return 0;
- }
-}
-/*
- * Return the depth buffer associated with an XMesaBuffer.
- * Input: b - the XMesa buffer handle
- * Output: width, height - size of buffer in pixels
- * bytesPerValue - bytes per depth value (2 or 4)
- * buffer - pointer to depth buffer values
- * Return: GL_TRUE or GL_FALSE to indicate success or failure.
- */
-GLboolean XMesaGetDepthBuffer( XMesaBuffer b, GLint *width, GLint *height,
- GLint *bytesPerValue, void **buffer )
-{
- *width = 0;
- *height = 0;
- *bytesPerValue = 0;
- *buffer = 0;
- return GL_FALSE;
-}
-
-
void XMesaFlush( XMesaContext c )
{
if (c && c->xm_visual->display) {
-const char *XMesaGetString( XMesaContext c, int name )
-{
- (void) c;
- if (name==XMESA_VERSION) {
- return "5.0";
- }
- else if (name==XMESA_EXTENSIONS) {
- return "";
- }
- else {
- return NULL;
- }
-}
-
XMesaBuffer XMesaFindBuffer( Display *dpy, Drawable d )
}
-unsigned long XMesaDitherColor( XMesaContext xmesa, GLint x, GLint y,
- GLfloat red, GLfloat green,
- GLfloat blue, GLfloat alpha )
-{
- /* no longer supported */
- return 0;
-}
-
-
-/*
- * This is typically called when the window size changes and we need
- * to reallocate the buffer's back/depth/stencil/accum buffers.
- */
-PUBLIC void
-XMesaResizeBuffers( XMesaBuffer b )
-{
- GET_CURRENT_CONTEXT(ctx);
- XMesaContext xmctx = xmesa_context(ctx);
- if (!xmctx)
- return;
- xmesa_check_and_update_buffer_size(xmctx, b);
-}
-
-
PUBLIC void
#ifndef XMESA_H
#define XMESA_H
-#ifdef __VMS
-#include <GL/vms_x_fix.h>
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include "GL/gl.h"
-
-#ifdef AMIWIN
-#include <pragmas/xlib_pragmas.h>
-extern struct Library *XLibBase;
-#endif
-
-
-#define XMESA_MAJOR_VERSION 6
-#define XMESA_MINOR_VERSION 3
-
-
-
-/*
- * Values passed to XMesaGetString:
- */
-#define XMESA_VERSION 1
-#define XMESA_EXTENSIONS 2
-
typedef struct xmesa_context *XMesaContext;
typedef struct xmesa_buffer *XMesaBuffer;
+/* Every user of this file also includes xmesaP.h
+ */
+#include "xmesaP.h"
/*
extern XMesaContext XMesaGetCurrentContext( void );
-/*
- * Return handle to the current (draw) buffer.
- */
-extern XMesaBuffer XMesaGetCurrentBuffer( void );
-
-
-/*
- * Return handle to the current read buffer.
- * New in Mesa 3.3
- */
-extern XMesaBuffer XMesaGetCurrentReadBuffer( void );
-
-
/*
* Swap the front and back buffers for the given buffer. No action is
* taken if the buffer is not double buffered.
int height );
-/*
- * Return a pointer to the the Pixmap or XImage being used as the back
- * color buffer of an XMesaBuffer. This function is a way to get "under
- * the hood" of X/Mesa so one can manipulate the back buffer directly.
- * Input: b - the XMesaBuffer
- * Output: pixmap - pointer to back buffer's Pixmap, or 0
- * ximage - pointer to back buffer's XImage, or NULL
- * Return: GL_TRUE = context is double buffered
- * GL_FALSE = context is single buffered
- */
-extern GLboolean XMesaGetBackBuffer( XMesaBuffer b,
- Pixmap *pixmap,
- XImage **ximage );
-
-
-
-/*
- * Return the depth buffer associated with an XMesaBuffer.
- * Input: b - the XMesa buffer handle
- * Output: width, height - size of buffer in pixels
- * bytesPerValue - bytes per depth value (2 or 4)
- * buffer - pointer to depth buffer values
- * Return: GL_TRUE or GL_FALSE to indicate success or failure.
- *
- * New in Mesa 2.4.
- */
-extern GLboolean XMesaGetDepthBuffer( XMesaBuffer b,
- GLint *width,
- GLint *height,
- GLint *bytesPerValue,
- void **buffer );
-/*
- * Get an X/Mesa-specific string.
- * Input: name - either XMESA_VERSION or XMESA_EXTENSIONS
- */
-extern const char *XMesaGetString( XMesaContext c, int name );
-
-
-
/*
* Scan for XMesaBuffers whose window/pixmap has been destroyed, then free
* any memory used by that buffer.
-/*
- * Return a dithered pixel value.
- * Input: c - XMesaContext
- * x, y - window coordinate
- * red, green, blue, alpha - color components in [0,1]
- * Return: pixel value
- *
- * New in Mesa 2.3.
- */
-extern unsigned long XMesaDitherColor( XMesaContext xmesa,
- GLint x,
- GLint y,
- GLfloat red,
- GLfloat green,
- GLfloat blue,
- GLfloat alpha );
-
-
-
-
-/*
- * Reallocate the back/depth/stencil/accum/etc/ buffers associated with
- * buffer <b> if its size has changed.
- *
- * New in Mesa 4.0.2
- */
-extern void XMesaResizeBuffers( XMesaBuffer b );
-
-
-
/*
* Create a pbuffer.
* New in Mesa 4.1
-#ifdef __cplusplus
-}
-#endif
-
#endif