1 files changed, 96 insertions, 17 deletions

diff --git a/src/mesa/drivers/x11/xm_buffer.c b/src/mesa/drivers/x11/xm_buffer.c
index 51d183bb43..09356c7329 100644
--- a/src/mesa/drivers/x11/xm_buffer.c
+++ b/src/mesa/drivers/x11/xm_buffer.c
@@ -35,6 +35,10 @@
 #include "imports.h"
 #include "framebuffer.h"
 #include "renderbuffer.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_winsys.h"
+#include "state_tracker/st_context.h"
 
 
 #if defined(USE_XSHM) && !defined(XFree86Server)
@@ -245,6 +249,18 @@ xmesa_delete_renderbuffer(struct gl_renderbuffer *rb)
 }
 
 
+static void
+finish_surface_init(GLcontext *ctx, struct xmesa_renderbuffer *xrb)
+{
+   struct pipe_context *pipe = ctx->st->pipe;
+   if (!xrb->St.surface->region) {
+      int w = 1, h = 1;
+      xrb->St.surface->region = pipe->winsys->region_alloc(pipe->winsys,
+                                                           1, w, h, 0x0);
+   }
+}
+
+
 /**
  * Reallocate renderbuffer storage for front color buffer.
  * Called via gl_renderbuffer::AllocStorage()
@@ -268,6 +284,12 @@ xmesa_alloc_front_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
    rb->Height = height;
    rb->InternalFormat = internalFormat;
 
+   if (!xrb->St.surface || !xrb->St.surface->region)
+      finish_surface_init(ctx, xrb);
+
+   xrb->St.surface->width = width;
+   xrb->St.surface->height = height;
+
    return GL_TRUE;
 }
 
@@ -317,46 +339,103 @@ xmesa_alloc_back_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
       xrb->origin4 = NULL;
    }
 
+   if (!xrb->St.surface || !xrb->St.surface->region)
+      finish_surface_init(ctx, xrb);
+
+   xrb->St.surface->width = width;
+   xrb->St.surface->height = height;
+
    return GL_TRUE;
 }
 
 
+/**
+ * Called to create the front/back color renderbuffers, not user-created
+ * renderbuffers.
+ */
 struct xmesa_renderbuffer *
-xmesa_new_renderbuffer(GLcontext *ctx, GLuint name, const GLvisual *visual,
-                       GLboolean backBuffer)
+xmesa_create_renderbuffer(GLcontext *ctx, GLuint name, const GLvisual *visual,
+                          GLboolean backBuffer)
 {
    struct xmesa_renderbuffer *xrb = CALLOC_STRUCT(xmesa_renderbuffer);
+   struct pipe_context *pipe = NULL;/*ctx->st->pipe;*/
    if (xrb) {
       GLuint name = 0;
-      _mesa_init_renderbuffer(&xrb->Base, name);
+      GLuint pipeFormat = 0;
+      struct xmesa_surface *xms;
+
+      _mesa_init_renderbuffer(&xrb->St.Base, name);
 
-      xrb->Base.Delete = xmesa_delete_renderbuffer;
+      xrb->St.Base.Delete = xmesa_delete_renderbuffer;
       if (backBuffer)
-         xrb->Base.AllocStorage = xmesa_alloc_back_storage;
+         xrb->St.Base.AllocStorage = xmesa_alloc_back_storage;
       else
-         xrb->Base.AllocStorage = xmesa_alloc_front_storage;
+         xrb->St.Base.AllocStorage = xmesa_alloc_front_storage;
 
       if (visual->rgbMode) {
-         xrb->Base.InternalFormat = GL_RGBA;
-         xrb->Base._BaseFormat = GL_RGBA;
-         xrb->Base.DataType = GL_UNSIGNED_BYTE;
-         xrb->Base.RedBits = visual->redBits;
-         xrb->Base.GreenBits = visual->greenBits;
-         xrb->Base.BlueBits = visual->blueBits;
-         xrb->Base.AlphaBits = visual->alphaBits;
+         xrb->St.Base.InternalFormat = GL_RGBA;
+         xrb->St.Base._BaseFormat = GL_RGBA;
+         xrb->St.Base.DataType = GL_UNSIGNED_BYTE;
+         xrb->St.Base.RedBits = visual->redBits;
+         xrb->St.Base.GreenBits = visual->greenBits;
+         xrb->St.Base.BlueBits = visual->blueBits;
+         xrb->St.Base.AlphaBits = visual->alphaBits;
+         pipeFormat = PIPE_FORMAT_U_A8_R8_G8_B8;
       }
       else {
-         xrb->Base.InternalFormat = GL_COLOR_INDEX;
-         xrb->Base._BaseFormat = GL_COLOR_INDEX;
-         xrb->Base.DataType = GL_UNSIGNED_INT;
-         xrb->Base.IndexBits = visual->indexBits;
+         xrb->St.Base.InternalFormat = GL_COLOR_INDEX;
+         xrb->St.Base._BaseFormat = GL_COLOR_INDEX;
+         xrb->St.Base.DataType = GL_UNSIGNED_INT;
+         xrb->St.Base.IndexBits = visual->indexBits;
       }
       /* only need to set Red/Green/EtcBits fields for user-created RBs */
+
+      xrb->St.surface = xmesa_new_color_surface(pipe, pipeFormat);
+      xms = (struct xmesa_surface *) xrb->St.surface;
+      xms->xrb = xrb;
    }
    return xrb;
 }
 
 
+#if 0
+struct gl_renderbuffer *
+xmesa_new_renderbuffer(GLcontext *ctx, struct gl_renderbuffer *rb,
+                       GLenum internalFormat, GLuint width, GLuint height)
+{
+   struct xmesa_renderbuffer *xrb = CALLOC_STRUCT(xmesa_renderbuffer);
+   if (xrb) {
+      GLuint name = 0;
+      _mesa_init_renderbuffer(&xrb->St.Base, name);
+
+      xrb->St.Base.Delete = xmesa_delete_renderbuffer;
+      if (backBuffer)
+         xrb->St.Base.AllocStorage = xmesa_alloc_back_storage;
+      else
+         xrb->St.Base.AllocStorage = xmesa_alloc_front_storage;
+
+      if (visual->rgbMode) {
+         xrb->St.Base.InternalFormat = GL_RGBA;
+         xrb->St.Base._BaseFormat = GL_RGBA;
+         xrb->St.Base.DataType = GL_UNSIGNED_BYTE;
+         xrb->St.Base.RedBits = visual->redBits;
+         xrb->St.Base.GreenBits = visual->greenBits;
+         xrb->St.Base.BlueBits = visual->blueBits;
+         xrb->St.Base.AlphaBits = visual->alphaBits;
+      }
+      else {
+         xrb->St.Base.InternalFormat = GL_COLOR_INDEX;
+         xrb->St.Base._BaseFormat = GL_COLOR_INDEX;
+         xrb->St.Base.DataType = GL_UNSIGNED_INT;
+         xrb->St.Base.IndexBits = visual->indexBits;
+      }
+      /* only need to set Red/Green/EtcBits fields for user-created RBs */
+   }
+   return xrb;
+}
+#endif
+
+
 /**
  * Called via gl_framebuffer::Delete() method when this buffer
  * is _really_ being deleted.