i965_drv_video: simplify the object command for intra frame

fixes some comments in intra_frame.asm as well.

Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>

2 files changed, 33 insertions, 130 deletions

diff --git a/gen6_vme.c b/gen6_vme.c
index e986ca7..64acb6b 100644
--- a/gen6_vme.c
+++ b/gen6_vme.c
@@ -526,11 +526,8 @@ static int gen6_vme_media_object_intra(VADriverContextP ctx,
 {
     struct i965_driver_data *i965 = i965_driver_data(ctx);
     struct object_surface *obj_surface = SURFACE( encode_state->current_render_target);
-    int i;
-    unsigned char *pPixel[17];	
-    int pitch = obj_surface->width;
     int mb_width = ALIGN(obj_surface->orig_width, 16) / 16;
-    int len_in_dowrds = 6 + 32 + 8;
+    int len_in_dowrds = 6 + 1;
 
     BEGIN_BATCH(ctx, len_in_dowrds);
     
@@ -543,110 +540,6 @@ static int gen6_vme_media_object_intra(VADriverContextP ctx,
    
     /*inline data */
     OUT_BATCH(ctx, mb_width << 16 | mb_y << 8 | mb_x);			/*M0.0 Refrence0 X,Y, not used in Intra*/
-    OUT_BATCH(ctx, 0x00000000);			/*M0.1 Refrence1 X,Y, not used in Intra*/
-    OUT_BATCH(ctx, (mb_y<<20) |
-              (mb_x<<4));			/*M0.2 Source X,y*/
-    OUT_BATCH(ctx, 0x00000000);			/*M0.3 16x16 Source*/
-    OUT_BATCH(ctx, 0x00000000);			/*M0.4 Ignored*/
-    OUT_BATCH(ctx, 0x00000000);			/*M0.5 Reference Width&Height, not used in Intra*/
-    OUT_BATCH(ctx, 0x00000000);			/*M0.6 Debug*/
-    OUT_BATCH(ctx, 0x00000000);			/*M0.7 Debug*/
-										
-    OUT_BATCH(ctx, 0x00000000);			/*M1.0 Not used in Intra*/
-    OUT_BATCH(ctx, 0x00000000);			/*M1.1 Not used in Intra*/
-    OUT_BATCH(ctx, 0x00000000);			/*M1.2 Not used in Intra*/
-    OUT_BATCH(ctx, 0x00000000);			/*M1.3 Not used in Intra*/
-    OUT_BATCH(ctx, 0x00000000);			/*M1.4 Not used in Intra*/
-    OUT_BATCH(ctx, 0x00000000);			/*M1.5 Not used in Intra*/
-    OUT_BATCH(ctx, 0x00000000);			/*M1.6 Not used in Intra*/
-
-    i = 0;
-    if ( mb_x > 0)
-        i |= 0x60;
-    if ( mb_y > 0)
-        i |= 0x10;
-    if ( mb_x > 0 && mb_y > 0)
-        i |= 0x04;
-    if ( mb_y > 0 && mb_x < (mb_width - 1) )
-        i |= 0x08;
-    OUT_BATCH(ctx, (i << 8) | 6 );		/*M1.7 Neighbor MBS and Intra mode masks*/
-
-    drm_intel_gem_bo_map_gtt( obj_surface->bo );
-    for(i = 0; i < 17; i++){
-        pPixel[i] = (unsigned char *) ( obj_surface->bo->virtual + mb_x * 16 - 1  + ( mb_y * 16 - 1 + i) * pitch);
-    }
-
-    OUT_BATCH(ctx, 0);							/*M2.0 MBZ*/
-    OUT_BATCH(ctx, pPixel[0][0] << 24);			/*M2.1 Corner Neighbor*/
-	
-    OUT_BATCH(ctx, ( (pPixel[0][4] << 24) 
-                     | (pPixel[0][3] << 16)
-                     | (pPixel[0][2] << 8)
-                     | (pPixel[0][1] ) ));		/*M2.2 */
-	
-    OUT_BATCH(ctx, ( (pPixel[0][8]	<< 24) 
-                     | (pPixel[0][7] << 16)
-                     | (pPixel[0][6] << 8)
-                     | (pPixel[0][5] ) ));		/*M2.3 */
-
-    OUT_BATCH(ctx, ( (pPixel[0][12]	<< 24) 
-                     | (pPixel[0][11] << 16)
-                     | (pPixel[0][10] << 8)		
-                     | (pPixel[0][9] ) ));		/*M2.4 */
-
-    OUT_BATCH(ctx, ( (pPixel[0][16]	<< 24) 
-                     | (pPixel[0][15] << 16)
-                     | (pPixel[0][14] << 8)	
-                     | (pPixel[0][13] ) ));		/*M2.5 */
-
-    OUT_BATCH(ctx, ( (pPixel[0][20]	<< 24) 
-                     | (pPixel[0][19] << 16)
-                     | (pPixel[0][18] << 8)		
-                     | (pPixel[0][17] ) ));		/*M2.6 */
-
-    OUT_BATCH(ctx, ( (pPixel[0][24]	<< 24) 
-                     | (pPixel[0][23] << 16)
-                     | (pPixel[0][22] << 8)		
-                     | (pPixel[0][21] ) ));		/*M2.7 */
-
-    OUT_BATCH(ctx, ( (pPixel[4][0]	<< 24) 
-                     | (pPixel[3][0] << 16)
-                     | (pPixel[2][0] << 8)		
-                     | (pPixel[1][0] ) ));		/*M3.0 */
-
-    OUT_BATCH(ctx, ( (pPixel[8][0]	<< 24) 
-                     | (pPixel[7][0] << 16)
-                     | (pPixel[6][0] << 8)		
-                     | (pPixel[5][0] ) ));		/*M3.1 */
-
-    OUT_BATCH(ctx, ( (pPixel[12][0]	<< 24) 
-                     | (pPixel[11][0] << 16)
-                     | (pPixel[10][0] << 8)		
-                     | (pPixel[9][0] ) ));		/*M3.2 */
-
-    OUT_BATCH(ctx, ( (pPixel[16][0]	<< 24) 
-                     | (pPixel[15][0] << 16)
-                     | (pPixel[14][0] << 8)		
-                     | (pPixel[13][0] ) ));		/*M3.3 */
-
-    OUT_BATCH(ctx, 0x11111111);			/*M3.4*/
-    OUT_BATCH(ctx, 0x00000000);			/*M3.5*/
-    OUT_BATCH(ctx, 0x00000000);			/*M3.6*/
-    OUT_BATCH(ctx, 0x00000000);			/*M3.7*/
-
-    OUT_BATCH(ctx, 0);
-    OUT_BATCH(ctx, 0);
-
-    OUT_BATCH(ctx, mb_y * mb_width + mb_x);
-    OUT_BATCH(ctx, 0x00000000);				/*Write Message Header M0.3*/
-
-    OUT_BATCH(ctx, 0x00000000);
-    OUT_BATCH(ctx, 0x00000000);
-    OUT_BATCH(ctx, 0x00000000);
-    OUT_BATCH(ctx, 0x00000000);	
-
-    drm_intel_gem_bo_unmap_gtt( obj_surface->bo );
-
     ADVANCE_BATCH(ctx);
 
     return len_in_dowrds * 4;
diff --git a/shaders/vme/intra_frame.asm b/shaders/vme/intra_frame.asm
index 2f3de01..fd4fb4e 100644
--- a/shaders/vme/intra_frame.asm
+++ b/shaders/vme/intra_frame.asm
@@ -39,11 +39,12 @@ define(`BIND_IDX_OUTPUT',               `3')
 define(`BIND_IDX_INEP',                 `4')
 
 define(`INTRA_PREDICTORE_MODE',         `0x11111111:UD')
+        
 /* GRF registers
  * r0 header
- * r1~r4 constant buffer
- * r5~r8 inline data for VME message
- * r9 inline data for Oword Block Write message
+ * r1~r4 constant buffer (reserved)
+ * r5 inline data
+ * r6~r11 reserved        
  * r12 write back of VME message
  * r13 write back of Oword Block Write        
  */
@@ -53,6 +54,10 @@ define(`INTRA_PREDICTORE_MODE',         `0x11111111:UD')
 define(`thread_id_ub',          `r0.20<0,1,0>:UB')  /* thread id in payload */
 
 /*
+ * GRF 1~4 -- Constant Buffer (reserved)
+ */
+        
+/*
  * GRF 5 -- inline data
  */        
 define(`inline_reg0',           `r5')
@@ -60,31 +65,28 @@ define(`w_in_mb_uw',            `inline_reg0.2')
 define(`orig_xy_ub',            `inline_reg0.0')
 define(`orig_x_ub',             `inline_reg0.0')    /* in macroblock */    
 define(`orig_y_ub',             `inline_reg0.1')
-        
-define(`msg_reg0',              `m0')               /* m0 */
-define(`msg_reg1',              `m1')               /* m1 */
-define(`msg_reg2',              `m2')               /* m2 */
-define(`msg_reg3',              `m3')               /* m3 */
-define(`vme_inline0',           `r5')
-define(`vme_inline1',           `r6')
-define(`vme_inline2',           `r7')
-define(`vme_inline3',           `r8')        
-define(`vme_wb',                `r12')              /* write back for VME */
-        
-define(`obw_m0_8ud',            `m0.0<1>:UD')       /* m0 */
-define(`obw_m1_0_1ud',          `m1.0<1>:UD')       /* m1.0 */
-define(`obw_m1_4_1ud',          `m1.4<1>:UD')       /* m1.4 */       
-define(`obw_m1_8_1ud',          `m1.8<1>:UD')       /* m1.8 */
-define(`obw_m1_12_1ud',         `m1.12<1>:UD')      /* m1.12 */
-define(`obw_inline0',           `r9')        
-define(`obw_wb',                `r13')              /* used for write commit in Oword Block Write */
 
 /*
- * Intra Neighbor Edge Pixels
+ * GRF 6~11 -- reserved
+ */
+
+/*
+ * GRF 12 -- write back for VME message 
+ */        
+define(`vme_wb',                `r12')
+
+/*
+ * GRF 13 -- write back for Oword Block Write message with write commit bit
+ */        
+define(`obw_wb',                `r13')
+
+/*
+ * GRF 14~17 -- Intra Neighbor Edge Pixels
  */
 define(`INEP_ROW',              `r14')
 define(`INEP_COL0',             `r16')
 define(`INEP_COL1',             `r17')
+        
 /*
  * temporary registers
  */
@@ -97,6 +99,14 @@ define(`tmp_x_w',               `tmp_reg2.0')
 define(`tmp_reg3',              `r35')
 
 /*
+ * MRF registers
+ */        
+define(`msg_reg0',              `m0')               /* m0 */
+define(`msg_reg1',              `m1')               /* m1 */
+define(`msg_reg2',              `m2')               /* m2 */
+define(`msg_reg3',              `m3')               /* m3 */
+        
+/*
  * __START
  */
 __START: