From f67748038935e609aa85450b20d550b4813c9429 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 16 Dec 2009 15:50:40 -0800
Subject: [PATCH] intel: Replace some gen3 IS_* checks with context structure
 usage.

Shaves 400 bytes or so from i915_dri.so.
---
 src/mesa/drivers/dri/i915/i915_vtbl.c          |  2 +-
 src/mesa/drivers/dri/i915/intel_tris.c         |  4 ++--
 src/mesa/drivers/dri/intel/intel_context.c     | 10 +++++++---
 src/mesa/drivers/dri/intel/intel_context.h     |  1 +
 src/mesa/drivers/dri/intel/intel_extensions.c  |  3 +--
 src/mesa/drivers/dri/intel/intel_mipmap_tree.c |  2 +-
 6 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/mesa/drivers/dri/i915/i915_vtbl.c b/src/mesa/drivers/dri/i915/i915_vtbl.c
index ba6be9796e1..9f7635a9538 100644
--- a/src/mesa/drivers/dri/i915/i915_vtbl.c
+++ b/src/mesa/drivers/dri/i915/i915_vtbl.c
@@ -611,7 +611,7 @@ i915_state_draw_region(struct intel_context *intel,
     * the value of this bit, the pipeline needs to be MI_FLUSHed.  And it
     * can only be set when a depth buffer is already defined.
     */
-   if (IS_945(intel->intelScreen->deviceID) && intel->use_early_z &&
+   if (intel->is_945 && intel->use_early_z &&
        depth_region->tiling != I915_TILING_NONE)
       value |= CLASSIC_EARLY_DEPTH;
 
diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c
index 8a3ab39bc28..63c5ae96dc7 100644
--- a/src/mesa/drivers/dri/i915/intel_tris.c
+++ b/src/mesa/drivers/dri/i915/intel_tris.c
@@ -221,7 +221,7 @@ void intel_flush_prim(struct intel_context *intel)
    intel->prim.count = 0;
    offset = intel->prim.start_offset;
    intel->prim.start_offset = intel->prim.current_offset;
-   if (!IS_9XX(intel->intelScreen->deviceID))
+   if (!intel->gen >= 3)
       intel->prim.start_offset = ALIGN(intel->prim.start_offset, 128);
    intel->prim.flush = NULL;
 
@@ -251,7 +251,7 @@ void intel_flush_prim(struct intel_context *intel)
 	  intel->vertex_size * 4);
 #endif
 
-   if (IS_9XX(intel->intelScreen->deviceID)) {
+   if (intel->gen >= 3) {
       BEGIN_BATCH(5, LOOP_CLIPRECTS);
       OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
 		I1_LOAD_S(0) | I1_LOAD_S(1) | 1);
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 6f567dc4d05..02e0cc7b332 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -613,12 +613,16 @@ intelInitContext(struct intel_context *intel,
    intel->sarea = intelScreen->sarea;
    intel->driContext = driContextPriv;
 
-   if (IS_965(intel->intelScreen->deviceID))
+   if (IS_965(intel->intelScreen->deviceID)) {
       intel->gen = 4;
-   else if (IS_9XX(intel->intelScreen->deviceID))
+   } else if (IS_9XX(intel->intelScreen->deviceID)) {
       intel->gen = 3;
-   else
+      if (IS_945(intel->intelScreen->deviceID)) {
+	 intel->is_945 = GL_TRUE;
+      }
+   } else {
       intel->gen = 2;
+   }
 
    if (IS_IGDNG(intel->intelScreen->deviceID)) {
       intel->is_ironlake = GL_TRUE;
diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h
index e46764e99cf..e85886db82f 100644
--- a/src/mesa/drivers/dri/intel/intel_context.h
+++ b/src/mesa/drivers/dri/intel/intel_context.h
@@ -179,6 +179,7 @@ struct intel_context
    GLboolean needs_ff_sync;
    GLboolean is_ironlake;
    GLboolean is_g4x;
+   GLboolean is_945;
    GLboolean has_luminance_srgb;
 
    int urb_size;
diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c
index bb50531d98f..5ac5ce10afb 100644
--- a/src/mesa/drivers/dri/intel/intel_extensions.c
+++ b/src/mesa/drivers/dri/intel/intel_extensions.c
@@ -199,8 +199,7 @@ intelInitExtensions(GLcontext *ctx)
    if (intel->gen >= 4)
       driInitExtensions(ctx, brw_extensions, GL_FALSE);
 
-   if (IS_915(intel->intelScreen->deviceID)
-       || IS_945(intel->intelScreen->deviceID)) {
+   if (intel->gen == 3) {
       driInitExtensions(ctx, i915_extensions, GL_FALSE);
 
       if (driQueryOptionb(&intel->optionCache, "fragment_shader"))
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index 6a565f80cf4..82e4150c6a9 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -87,7 +87,7 @@ intel_miptree_create_internal(struct intel_context *intel,
    mt->pitch = 0;
 
 #ifdef I915
-   if (IS_945(intel->intelScreen->deviceID))
+   if (intel->is_945)
       ok = i945_miptree_layout(intel, mt, tiling);
    else
       ok = i915_miptree_layout(intel, mt, tiling);
-- 
2.30.2