From c12b71ef93ed71a78473568025d2b4d8d8fd2003 Mon Sep 17 00:00:00 2001
From: Keith Whitwell <keith@tungstengraphics.com>
Date: Fri, 10 Aug 2007 10:01:15 +0100
Subject: [PATCH] Pass pci_id to i915_create()

---
 src/mesa/pipe/i915simple/i915_context.c | 42 +++++++++++++++++++++++++++++----
 src/mesa/pipe/i915simple/i915_context.h |  5 ++--
 src/mesa/pipe/i915simple/i915_winsys.h  |  3 ++-
 3 files changed, 43 insertions(+), 7 deletions(-)

diff --git a/src/mesa/pipe/i915simple/i915_context.c b/src/mesa/pipe/i915simple/i915_context.c
index eb7f380..a15d350 100644
--- a/src/mesa/pipe/i915simple/i915_context.c
+++ b/src/mesa/pipe/i915simple/i915_context.c
@@ -33,6 +33,14 @@
 #include "pipe/draw/draw_context.h"
 #include "pipe/p_defines.h"
 
+#define PCI_CHIP_I915_G			0x2582
+#define PCI_CHIP_I915_GM		0x2592
+#define PCI_CHIP_I945_G			0x2772
+#define PCI_CHIP_I945_GM		0x27A2
+#define PCI_CHIP_I945_GME		0x27AE
+#define PCI_CHIP_G33_G			0x29C2
+#define PCI_CHIP_Q35_G			0x29B2
+#define PCI_CHIP_Q33_G			0x29D2
 
 
 /**
@@ -143,14 +151,40 @@ i915_draw_vertices(struct pipe_context *pipe,
 
 
 
-struct pipe_context *i915_create( struct i915_winsys *winsys )
+struct pipe_context *i915_create( struct i915_winsys *winsys,
+				  unsigned pci_id )
 {
-   struct i915_context *i915 = CALLOC_STRUCT(i915_context);
+   struct i915_context *i915;
+   unsigned is_i945 = 0;
 
-   i915->pipe.destroy = i915_destroy;
+   /* TODO: Push this down into the pipe driver:
+    */
+   switch (pci_id) {
+   case PCI_CHIP_I915_G:
+   case PCI_CHIP_I915_GM:
+      break;
+
+   case PCI_CHIP_I945_G:
+   case PCI_CHIP_I945_GM:
+   case PCI_CHIP_I945_GME:
+   case PCI_CHIP_G33_G:
+   case PCI_CHIP_Q33_G:
+   case PCI_CHIP_Q35_G:
+      is_i945 = 1;
+      break;
 
-   i915->pipe.supported_formats = i915_supported_formats;
+   default:
+      winsys->printf(winsys, "%s: unknown pci id 0x%x, cannot create context\n", 
+		     __FUNCTION__, pci_id);
+      return NULL;
+   }
+
+   i915 = CALLOC_STRUCT(i915_context);
+   if (i915 == NULL)
+      return NULL;
 
+   i915->pipe.destroy = i915_destroy;
+   i915->pipe.supported_formats = i915_supported_formats;
    i915->pipe.draw_vb = i915_draw_vb;
    i915->pipe.draw_vertices = i915_draw_vertices;
    i915->pipe.clear = i915_clear;
diff --git a/src/mesa/pipe/i915simple/i915_context.h b/src/mesa/pipe/i915simple/i915_context.h
index 550d9c0..e8db2b7 100644
--- a/src/mesa/pipe/i915simple/i915_context.h
+++ b/src/mesa/pipe/i915simple/i915_context.h
@@ -122,8 +122,9 @@ struct i915_context
    
    GLuint debug;
 
-
-   struct pipe_scissor_state cliprect;
+   struct {
+      unsigned is_i945:1;
+   } flags;
 };
 
 /* A flag for each state_tracker state object:
diff --git a/src/mesa/pipe/i915simple/i915_winsys.h b/src/mesa/pipe/i915simple/i915_winsys.h
index 887308f..9802148 100644
--- a/src/mesa/pipe/i915simple/i915_winsys.h
+++ b/src/mesa/pipe/i915simple/i915_winsys.h
@@ -123,7 +123,8 @@ struct i915_winsys {
 #define I915_BUFFER_ACCESS_READ    0x2
 
 
-struct pipe_context *i915_create( struct i915_winsys * );
+struct pipe_context *i915_create( struct i915_winsys *,
+				  unsigned pci_id );
 
 
 #endif 
-- 
2.7.4