NV30/NV40 CMP and SCS src == dst handling

[mesa.git] / src / gallium / drivers / i965 / brw_clip.c

diff --git a/src/gallium/drivers/i965/brw_clip.c b/src/gallium/drivers/i965/brw_clip.c
index 622d9dba96ac193b4e4aaa0bbcdaf1af87d62dbe..d67a1a62633e03fcc7d5935202b73a63b85f49bb 100644 (file)
--- a/src/gallium/drivers/i965/brw_clip.c
+++ b/src/gallium/drivers/i965/brw_clip.c
@@ -48,14 +48,16 @@
 #define BACK_UNFILLED_BIT   0x2
 
 
-static void compile_clip_prog( struct brw_context *brw,
-                            struct brw_clip_prog_key *key )
+static enum pipe_error
+compile_clip_prog( struct brw_context *brw,
+                   struct brw_clip_prog_key *key,
+                   struct brw_winsys_buffer **bo_out )
 {
+   enum pipe_error ret;
    struct brw_clip_compile c;
    const GLuint *program;
    GLuint program_size;
    GLuint delta;
-   GLuint i;
 
    memset(&c, 0, sizeof(c));
    
@@ -79,21 +81,27 @@ static void compile_clip_prog( struct brw_context *brw,
    else
        delta = REG_SIZE;
 
-   /* XXX: c.offset is now pretty redundant:
-    */
-   for (i = 0; i < c.key.nr_attrs; i++) {
-      c.offset[i] = delta;
-      delta += ATTR_SIZE;
-   }
+   c.offset_hpos = delta + c.key.output_hpos * ATTR_SIZE;
 
-   /* XXX: c.nr_attrs is very redundant:
-    */
-   c.nr_attrs = c.key.nr_attrs;
+   if (c.key.output_color0 != BRW_OUTPUT_NOT_PRESENT)
+      c.offset_color0 = delta + c.key.output_color0 * ATTR_SIZE;
+
+   if (c.key.output_color1 != BRW_OUTPUT_NOT_PRESENT)
+      c.offset_color1 = delta + c.key.output_color1 * ATTR_SIZE;
+
+   if (c.key.output_bfc0 != BRW_OUTPUT_NOT_PRESENT)
+      c.offset_bfc0 = delta + c.key.output_bfc0 * ATTR_SIZE;
+
+   if (c.key.output_bfc1 != BRW_OUTPUT_NOT_PRESENT)
+      c.offset_bfc1 = delta + c.key.output_bfc1 * ATTR_SIZE;
+
+   if (c.key.output_edgeflag != BRW_OUTPUT_NOT_PRESENT)
+      c.offset_edgeflag = delta + c.key.output_edgeflag * ATTR_SIZE;
    
    if (BRW_IS_IGDNG(brw))
-       c.nr_regs = (c.nr_attrs + 1) / 2 + 3;  /* are vertices packed, or reg-aligned? */
+       c.nr_regs = (c.key.nr_attrs + 1) / 2 + 3;  /* are vertices packed, or reg-aligned? */
    else
-       c.nr_regs = (c.nr_attrs + 1) / 2 + 1;  /* are vertices packed, or reg-aligned? */
+       c.nr_regs = (c.key.nr_attrs + 1) / 2 + 1;  /* are vertices packed, or reg-aligned? */
 
    c.nr_bytes = c.nr_regs * REG_SIZE;
 
@@ -123,56 +131,85 @@ static void compile_clip_prog( struct brw_context *brw,
       break;
    default:
       assert(0);
-      return;
+      return PIPE_ERROR_BAD_INPUT;
    }
 
         
 
    /* get the program
     */
-   program = brw_get_program(&c.func, &program_size);
+   ret = brw_get_program(&c.func, &program, &program_size);
+   if (ret)
+      return ret;
 
    /* Upload
     */
-   brw->sws->bo_unreference(brw->clip.prog_bo);
-   brw->clip.prog_bo = brw_upload_cache( &brw->cache,
-                                        BRW_CLIP_PROG,
-                                        &c.key, sizeof(c.key),
-                                        NULL, 0,
-                                        program, program_size,
-                                        &c.prog_data,
-                                        &brw->clip.prog_data );
+   ret = brw_upload_cache( &brw->cache,
+                           BRW_CLIP_PROG,
+                           &c.key, sizeof(c.key),
+                           NULL, 0,
+                           program, program_size,
+                           &c.prog_data,
+                           &brw->clip.prog_data,
+                           bo_out );
+   if (ret)
+      return ret;
+
+   return PIPE_OK;
 }
 
 /* Calculate interpolants for triangle and line rasterization.
  */
-static void upload_clip_prog(struct brw_context *brw)
+static enum pipe_error
+upload_clip_prog(struct brw_context *brw)
 {
+   const struct brw_vertex_shader *vs = brw->curr.vertex_shader;
    struct brw_clip_prog_key key;
+   enum pipe_error ret;
 
    /* Populate the key, starting from the almost-complete version from
     * the rast state. 
     */
 
    /* PIPE_NEW_RAST */
-   memcpy(&key, &brw->curr.rast->clip_key, sizeof key);
-
+   key = brw->curr.rast->clip_key;
+   
    /* BRW_NEW_REDUCED_PRIMITIVE */
    key.primitive = brw->reduced_primitive;
 
+   /* XXX: if edgeflag is moved to a proper TGSI vs output, can remove
+    * dependency on CACHE_NEW_VS_PROG
+    */
+   /* CACHE_NEW_VS_PROG */
+   key.nr_attrs        = brw->vs.prog_data->nr_outputs;
+
    /* PIPE_NEW_VS */
-   key.nr_attrs = brw->curr.vertex_shader->info.file_max[TGSI_FILE_OUTPUT] + 1;
+   key.output_hpos     = vs->output_hpos;
+   key.output_color0   = vs->output_color0;
+   key.output_color1   = vs->output_color1;
+   key.output_bfc0     = vs->output_bfc0;
+   key.output_bfc1     = vs->output_bfc1;
+   key.output_edgeflag = vs->output_edgeflag;
 
    /* PIPE_NEW_CLIP */
    key.nr_userclip = brw->curr.ucp.nr;
 
-   brw->sws->bo_unreference(brw->clip.prog_bo);
-   brw->clip.prog_bo = brw_search_cache(&brw->cache, BRW_CLIP_PROG,
-                                       &key, sizeof(key),
-                                       NULL, 0,
-                                       &brw->clip.prog_data);
-   if (brw->clip.prog_bo == NULL)
-      compile_clip_prog( brw, &key );
+   /* Already cached?
+    */
+   if (brw_search_cache(&brw->cache, BRW_CLIP_PROG,
+                        &key, sizeof(key),
+                        NULL, 0,
+                        &brw->clip.prog_data,
+                        &brw->clip.prog_bo))
+      return PIPE_OK;
+
+   /* Compile new program:
+    */
+   ret = compile_clip_prog( brw, &key, &brw->clip.prog_bo );
+   if (ret)
+      return ret;
+
+   return PIPE_OK;
 }