gallium: split CAP_INSTANCE_DRAWING into INSTANCEID and INSTANCE_DIVISOR
[mesa.git] / src / gallium / drivers / i915 / i915_state_immediate.c
index 8cec699285c6afe956aa5482836bcec9e94d81a3..813486473997d7b76fb54dfd7ef4d3b378412394 100644 (file)
@@ -1,8 +1,8 @@
 /**************************************************************************
- * 
+ *
  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * distribute, sub license, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the
  * next paragraph) shall be included in all copies or substantial portions
  * of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
+ *
  **************************************************************************/
  /*
   * Authors:
   *   Keith Whitwell <keith@tungstengraphics.com>
   */
+
 #include "i915_state_inlines.h"
 #include "i915_context.h"
 #include "i915_state.h"
 #include "util/u_memory.h"
 
 
-/* All state expressable with the LOAD_STATE_IMMEDIATE_1 packet.
- * Would like to opportunistically recombine all these fragments into
- * a single packet containing only what has changed, but for now emit
- * as multiple packets.
+/* Convinience function to check immediate state.
  */
 
+static INLINE void set_immediate(struct i915_context *i915,
+                                 unsigned offset,
+                                 const unsigned state)
+{
+   if (i915->current.immediate[offset] == state)
+      return;
+
+   i915->current.immediate[offset] = state;
+   i915->immediate_dirty |= 1 << offset;
+   i915->hardware_dirty |= I915_HW_IMMEDIATE;
+}
 
 
 
 /***********************************************************************
- * S0,S1: Vertex buffer state.  
+ * S0,S1: Vertex buffer state.
  */
 static void upload_S0S1(struct i915_context *i915)
 {
    unsigned LIS0, LIS1;
 
-   /* I915_NEW_VBO */
-   /* TODO: re-use vertex buffers here? */
+   /* I915_NEW_VBO
+    */
    LIS0 = i915->vbo_offset;
 
-   /* I915_NEW_VERTEX_SIZE -- do this where the vertex size is calculated! 
+   /* Need to force this */
+   if (i915->dirty & I915_NEW_VBO) {
+      i915->immediate_dirty |= 1 << I915_IMMEDIATE_S0;
+      i915->hardware_dirty |= I915_HW_IMMEDIATE;
+   }
+
+   /* I915_NEW_VERTEX_SIZE
     */
    {
       unsigned vertex_size = i915->current.vertex_info.size;
 
       LIS1 = ((vertex_size << 24) |
-             (vertex_size << 16));
+              (vertex_size << 16));
    }
 
-   /* I915_NEW_VBO */
-   /* TODO: use a vertex generation number to track vbo changes */
-   if (1 ||
-       i915->current.immediate[I915_IMMEDIATE_S0] != LIS0 ||
-       i915->current.immediate[I915_IMMEDIATE_S1] != LIS1) 
-   {
-      i915->current.immediate[I915_IMMEDIATE_S0] = LIS0;
-      i915->current.immediate[I915_IMMEDIATE_S1] = LIS1;
-      i915->hardware_dirty |= I915_HW_IMMEDIATE;
-   }
+   set_immediate(i915, I915_IMMEDIATE_S0, LIS0);
+   set_immediate(i915, I915_IMMEDIATE_S1, LIS1);
 }
 
 const struct i915_tracked_state i915_upload_S0S1 = {
-   I915_NEW_VBO | I915_NEW_VERTEX_FORMAT,
-   upload_S0S1
+   "imm S0 S1",
+   upload_S0S1,
+   I915_NEW_VBO | I915_NEW_VERTEX_FORMAT
 };
 
 
 
-
 /***********************************************************************
  * S4: Vertex format, rasterization state
  */
@@ -92,71 +98,66 @@ static void upload_S2S4(struct i915_context *i915)
 {
    unsigned LIS2, LIS4;
 
-   /* I915_NEW_VERTEX_FORMAT */
+   /* I915_NEW_VERTEX_FORMAT
+    */
    {
       LIS2 = i915->current.vertex_info.hwfmt[1];
       LIS4 = i915->current.vertex_info.hwfmt[0];
-      /*
-      debug_printf("LIS2: 0x%x  LIS4: 0x%x\n", LIS2, LIS4);
-      */
       assert(LIS4); /* should never be zero? */
    }
 
    LIS4 |= i915->rasterizer->LIS4;
 
-   if (LIS2 != i915->current.immediate[I915_IMMEDIATE_S2] ||
-       LIS4 != i915->current.immediate[I915_IMMEDIATE_S4]) {
-
-      i915->current.immediate[I915_IMMEDIATE_S2] = LIS2;
-      i915->current.immediate[I915_IMMEDIATE_S4] = LIS4;
-      i915->hardware_dirty |= I915_HW_IMMEDIATE;
-   }
+   set_immediate(i915, I915_IMMEDIATE_S2, LIS2);
+   set_immediate(i915, I915_IMMEDIATE_S4, LIS4);
 }
 
-
 const struct i915_tracked_state i915_upload_S2S4 = {
-   I915_NEW_RASTERIZER | I915_NEW_VERTEX_FORMAT,
-   upload_S2S4
+   "imm S2 S4",
+   upload_S2S4,
+   I915_NEW_RASTERIZER | I915_NEW_VERTEX_FORMAT
 };
 
 
 
 /***********************************************************************
- * 
  */
-static void upload_S5( struct i915_context *i915 )
+static void upload_S5(struct i915_context *i915)
 {
    unsigned LIS5 = 0;
 
+   /* I915_NEW_DEPTH_STENCIL
+    */
    LIS5 |= i915->depth_stencil->stencil_LIS5;
    /* hope it's safe to set stencil ref value even if stencil test is disabled? */
    LIS5 |= i915->stencil_ref.ref_value[0] << S5_STENCIL_REF_SHIFT;
 
+   /* I915_NEW_BLEND
+    */
    LIS5 |= i915->blend->LIS5;
 
 #if 0
-   /* I915_NEW_RASTERIZER */
-   if (i915->state.Polygon->OffsetFill) {
+   /* I915_NEW_RASTERIZER
+    */
+   if (i915->rasterizer->LIS7) {
       LIS5 |= S5_GLOBAL_DEPTH_OFFSET_ENABLE;
    }
 #endif
 
-
-   if (LIS5 != i915->current.immediate[I915_IMMEDIATE_S5]) {
-      i915->current.immediate[I915_IMMEDIATE_S5] = LIS5;
-      i915->hardware_dirty |= I915_HW_IMMEDIATE;
-   }
+   set_immediate(i915, I915_IMMEDIATE_S5, LIS5);
 }
 
 const struct i915_tracked_state i915_upload_S5 = {
-   (I915_NEW_DEPTH_STENCIL | I915_NEW_BLEND | I915_NEW_RASTERIZER),
-   upload_S5
+   "imm S5",
+   upload_S5,
+   I915_NEW_DEPTH_STENCIL | I915_NEW_BLEND | I915_NEW_RASTERIZER
 };
 
 
+
 /***********************************************************************
  */
-static void upload_S6( struct i915_context *i915 )
+static void upload_S6(struct i915_context *i915)
 {
    unsigned LIS6 = (2 << S6_TRISTRIP_PV_SHIFT);
 
@@ -173,21 +174,20 @@ static void upload_S6( struct i915_context *i915 )
     */
    LIS6 |= i915->depth_stencil->depth_LIS6;
 
-   if (LIS6 != i915->current.immediate[I915_IMMEDIATE_S6]) {
-      i915->current.immediate[I915_IMMEDIATE_S6] = LIS6;
-      i915->hardware_dirty |= I915_HW_IMMEDIATE;
-   }
+   set_immediate(i915, I915_IMMEDIATE_S6, LIS6);
 }
 
 const struct i915_tracked_state i915_upload_S6 = {
-   I915_NEW_BLEND | I915_NEW_DEPTH_STENCIL | I915_NEW_FRAMEBUFFER,
-   upload_S6
+   "imm S6",
+   upload_S6,
+   I915_NEW_BLEND | I915_NEW_DEPTH_STENCIL | I915_NEW_FRAMEBUFFER
 };
 
 
+
 /***********************************************************************
  */
-static void upload_S7( struct i915_context *i915 )
+static void upload_S7(struct i915_context *i915)
 {
    unsigned LIS7;
 
@@ -195,18 +195,21 @@ static void upload_S7( struct i915_context *i915 )
     */
    LIS7 = i915->rasterizer->LIS7;
 
-   if (LIS7 != i915->current.immediate[I915_IMMEDIATE_S7]) {
-      i915->current.immediate[I915_IMMEDIATE_S7] = LIS7;
-      i915->hardware_dirty |= I915_HW_IMMEDIATE;
-   }
+#if 0
+   set_immediate(i915, I915_IMMEDIATE_S7, LIS7);
+#endif
 }
 
 const struct i915_tracked_state i915_upload_S7 = {
-   I915_NEW_RASTERIZER,
-   upload_S7
+   "imm S7",
+   upload_S7,
+   I915_NEW_RASTERIZER
 };
 
 
+
+/***********************************************************************
+ */
 static const struct i915_tracked_state *atoms[] = {
    &i915_upload_S0S1,
    &i915_upload_S2S4,
@@ -215,13 +218,17 @@ static const struct i915_tracked_state *atoms[] = {
    &i915_upload_S7
 };
 
-/* 
- */
-void i915_update_immediate( struct i915_context *i915 )
+static void update_immediate(struct i915_context *i915)
 {
    int i;
 
    for (i = 0; i < Elements(atoms); i++)
       if (i915->dirty & atoms[i]->dirty)
-        atoms[i]->update( i915 );
+         atoms[i]->update(i915);
 }
+
+struct i915_tracked_state i915_hw_immediate = {
+   "immediate",
+   update_immediate,
+   ~0 /* all state atoms, becuase we do internal checking */
+};