From 61ba6b5a74625a01e07ae267c6e4ebf192434e40 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sun, 4 Sep 2005 22:13:42 +0000
Subject: Add new void *addr and __DRIdrawablePrivate parameters to
 driNewRenderbuffer().

---
 src/mesa/drivers/dri/common/drirenderbuffer.c | 10 +++++++++-
 src/mesa/drivers/dri/common/drirenderbuffer.h | 13 +++++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

(limited to 'src/mesa/drivers/dri/common')

diff --git a/src/mesa/drivers/dri/common/drirenderbuffer.c b/src/mesa/drivers/dri/common/drirenderbuffer.c
index 817cb86c52..df0d27302c 100644
--- a/src/mesa/drivers/dri/common/drirenderbuffer.c
+++ b/src/mesa/drivers/dri/common/drirenderbuffer.c
@@ -38,12 +38,16 @@ driDeleteRenderbuffer(struct gl_renderbuffer *rb)
  * this function.
  * \param format  Either GL_RGBA, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24,
  *                GL_DEPTH_COMPONENT32, or GL_STENCIL_INDEX8_EXT (for now).
+ * \param addr  address in main memory of the buffer.  Probably a memory
+ *              mapped region.
  * \param cpp  chars or bytes per pixel
  * \param offset  start of renderbuffer with respect to start of framebuffer
  * \param pitch   pixels per row
  */
 driRenderbuffer *
-driNewRenderbuffer(GLenum format, GLint cpp, GLint offset, GLint pitch)
+driNewRenderbuffer(GLenum format, GLvoid *addr,
+                   GLint cpp, GLint offset, GLint pitch,
+                   __DRIdrawablePrivate *dPriv)
 {
    driRenderbuffer *drb;
 
@@ -98,7 +102,10 @@ driNewRenderbuffer(GLenum format, GLint cpp, GLint offset, GLint pitch)
       drb->Base.AllocStorage = driRenderbufferStorage;
       drb->Base.Delete = driDeleteRenderbuffer;
 
+      drb->Base.Data = addr;
+
       /* DRI renderbuffer-specific fields: */
+      drb->dPriv = dPriv;
       drb->offset = offset;
       drb->pitch = pitch;
       drb->cpp = cpp;
@@ -106,6 +113,7 @@ driNewRenderbuffer(GLenum format, GLint cpp, GLint offset, GLint pitch)
       /* may be changed if page flipping is active: */
       drb->flippedOffset = offset;
       drb->flippedPitch = pitch;
+      drb->flippedData = addr;
    }
    return drb;
 }
diff --git a/src/mesa/drivers/dri/common/drirenderbuffer.h b/src/mesa/drivers/dri/common/drirenderbuffer.h
index bd07bc790f..f2cc357ff9 100644
--- a/src/mesa/drivers/dri/common/drirenderbuffer.h
+++ b/src/mesa/drivers/dri/common/drirenderbuffer.h
@@ -11,6 +11,8 @@
 #define DRIRENDERBUFFER_H
 
 #include "mtypes.h"
+#include "dri_util.h"
+
 
 typedef struct {
    struct gl_renderbuffer Base;
@@ -38,7 +40,12 @@ typedef struct {
     */
    GLint flippedOffset;
    GLint flippedPitch;
-   GLubyte *flippedData;  /* mmap'd memory, if used */
+   GLvoid *flippedData;  /* mmap'd address of buffer memory, if used */
+
+   /* Pointer to corresponding __DRIdrawablePrivate.  This is used to compute
+    * the window's position within the framebuffer.
+    */
+   __DRIdrawablePrivate *dPriv;
 
    /* XXX this is for radeon/r200 only.  We should really create a new
     * r200Renderbuffer class, derived from this class...  not a huge deal.
@@ -53,7 +60,9 @@ typedef struct {
 
 
 extern driRenderbuffer *
-driNewRenderbuffer(GLenum format, GLint cpp, GLint offset, GLint pitch);
+driNewRenderbuffer(GLenum format, GLvoid *addr,
+                   GLint cpp, GLint offset, GLint pitch,
+                   __DRIdrawablePrivate *dPriv);
 
 extern void
 driFlipRenderbuffers(struct gl_framebuffer *fb, GLboolean flipped);
-- 
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