From e4b2356c07d31fbeeabb13b2fb47db703b473080 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 4 May 2005 20:11:35 +0000
Subject: Major check-in of changes for GL_EXT_framebuffer_object extension.
 Main driver impacts: - new code for creating the Mesa GLframebuffer - new
 span/pixel read/write code Some drivers not yet updated/tested.

---
 src/mesa/drivers/dri/r128/r128_screen.c | 49 +++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

(limited to 'src/mesa/drivers/dri/r128/r128_screen.c')

diff --git a/src/mesa/drivers/dri/r128/r128_screen.c b/src/mesa/drivers/dri/r128/r128_screen.c
index 6bef391e96..bd0585b773 100644
--- a/src/mesa/drivers/dri/r128/r128_screen.c
+++ b/src/mesa/drivers/dri/r128/r128_screen.c
@@ -37,10 +37,13 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include "r128_context.h"
 #include "r128_ioctl.h"
+#include "r128_span.h"
 #include "r128_tris.h"
 
 #include "context.h"
 #include "imports.h"
+#include "framebuffer.h"
+#include "renderbuffer.h"
 
 #include "utils.h"
 #include "vblank.h"
@@ -260,16 +263,62 @@ r128CreateBuffer( __DRIscreenPrivate *driScrnPriv,
                   const __GLcontextModes *mesaVis,
                   GLboolean isPixmap )
 {
+   r128ScreenPtr screen = (r128ScreenPtr) driScrnPriv->private;
+
    if (isPixmap) {
       return GL_FALSE; /* not implemented */
    }
    else {
+#if 0
       driDrawPriv->driverPrivate = (void *) 
          _mesa_create_framebuffer( mesaVis,
                                    GL_FALSE,  /* software depth buffer? */
                                    mesaVis->stencilBits > 0,
                                    mesaVis->accumRedBits > 0,
                                    mesaVis->alphaBits > 0 );
+#else
+      struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
+
+      {
+         driRenderbuffer *frontRb
+            = driNewRenderbuffer(GL_RGBA, screen->cpp,
+                                 screen->frontOffset, screen->frontPitch);
+         r128SetSpanFunctions(frontRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
+      }
+
+      if (mesaVis->doubleBufferMode) {
+         driRenderbuffer *backRb
+            = driNewRenderbuffer(GL_RGBA, screen->cpp,
+                                 screen->backOffset, screen->backPitch);
+         r128SetSpanFunctions(backRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
+      }
+
+      if (mesaVis->depthBits == 16) {
+         driRenderbuffer *depthRb
+            = driNewRenderbuffer(GL_DEPTH_COMPONENT16, screen->cpp,
+                                 screen->depthOffset, screen->depthPitch);
+         r128SetSpanFunctions(depthRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+      }
+      else if (mesaVis->depthBits == 24) {
+         driRenderbuffer *depthRb
+            = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp,
+                                 screen->depthOffset, screen->depthPitch);
+         r128SetSpanFunctions(depthRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+      }
+
+      _mesa_add_soft_renderbuffers(fb,
+                                   GL_FALSE, /* color */
+                                   GL_FALSE, /* depth */
+                                   mesaVis->stencilBits > 0,
+                                   mesaVis->accumRedBits > 0,
+                                   GL_FALSE, /* alpha */
+                                   GL_FALSE /* aux */);
+      driDrawPriv->driverPrivate = (void *) fb;
+#endif
       return (driDrawPriv->driverPrivate != NULL);
    }
 }
-- 
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