llvmpipe: implement scissor testing

[mesa.git] / src / gallium / drivers / llvmpipe / lp_setup_context.h

diff --git a/src/gallium/drivers/llvmpipe/lp_setup_context.h b/src/gallium/drivers/llvmpipe/lp_setup_context.h
index dc12eb78471eaa5272899f0f7716330a0f2b2f28..fc0aef1376cc41813a5355f5f6346ed8cf3b502b 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_setup_context.h
+++ b/src/gallium/drivers/llvmpipe/lp_setup_context.h
@@ -38,48 +38,58 @@
 #include "lp_setup.h"
 #include "lp_rast.h"
 #include "lp_tile_soa.h"        /* for TILE_SIZE */
-#include "lp_bin.h"
-
-/* We're limited to 2K by 2K for 32bit fixed point rasterization.
- * Will need a 64-bit version for larger framebuffers.
- */
-#define MAXHEIGHT 2048
-#define MAXWIDTH 2048
-#define TILES_X (MAXWIDTH / TILE_SIZE)
-#define TILES_Y (MAXHEIGHT / TILE_SIZE)
+#include "lp_scene.h"
 
+#include "draw/draw_vbuf.h"
 
 #define LP_SETUP_NEW_FS          0x01
 #define LP_SETUP_NEW_CONSTANTS   0x02
 #define LP_SETUP_NEW_BLEND_COLOR 0x04
+#define LP_SETUP_NEW_SCISSOR     0x08
+
+
+struct lp_scene_queue;
+
+
+/** Max number of scenes */
+#define MAX_SCENES 2
+
 
 
 /**
  * Point/line/triangle setup context.
  * Note: "stored" below indicates data which is stored in the bins,
  * not arbitrary malloc'd memory.
+ *
+ *
+ * Subclass of vbuf_render, plugged directly into the draw module as
+ * the rendering backend.
  */
-struct setup_context {
-
-   struct lp_rasterizer *rast;
-
-   /**
-    * Per-bin data goes into the 'tile' bins.
-    * Shared bin data goes into the 'data' buffer.
-    * When there are multiple threads, will want to double-buffer the
-    * bin arrays:
+struct setup_context
+{
+   struct vbuf_render base;
+
+   struct vertex_info *vertex_info;
+   uint prim;
+   uint vertex_size;
+   uint nr_vertices;
+   uint vertex_buffer_size;
+   void *vertex_buffer;
+
+   /* Final pipeline stage for draw module.  Draw module should
+    * create/install this itself now.
     */
-   struct cmd_bin tile[TILES_X][TILES_Y];
-   struct data_block_list data;
+   struct draw_stage *vbuf;
+   struct lp_rasterizer *rast;
+   struct lp_scene *scenes[MAX_SCENES];  /**< all the scenes */
+   struct lp_scene *scene;               /**< current scene being built */
+   struct lp_scene_queue *empty_scenes;  /**< queue of empty scenes */
 
-   /* size of framebuffer, in tiles */
-   unsigned tiles_x;
-   unsigned tiles_y;
-   
+   boolean flatshade_first;
    boolean ccw_is_frontface;
    unsigned cullmode;
 
-   const struct pipe_framebuffer_state *fb;
+   struct pipe_framebuffer_state fb;
 
    struct {
       unsigned flags;
@@ -97,7 +107,7 @@ struct setup_context {
       struct lp_shader_input input[PIPE_MAX_ATTRIBS];
       unsigned nr_inputs;
 
-      const struct lp_rast_state *stored; /**< what's in the bins */
+      const struct lp_rast_state *stored; /**< what's in the scene */
       struct lp_rast_state current;  /**< currently set state */
    } fs;
 
@@ -113,7 +123,12 @@ struct setup_context {
       uint8_t *stored;
    } blend_color;
 
-   unsigned dirty;   /**< bitmask of LP_SETUP_x bits */
+   struct {
+      struct pipe_scissor_state current;
+      const void *stored;
+   } scissor;
+
+   unsigned dirty;   /**< bitmask of LP_SETUP_NEW_x bits */
 
    void (*point)( struct setup_context *,
                   const float (*v0)[4]);
@@ -132,5 +147,12 @@ void lp_setup_choose_triangle( struct setup_context *setup );
 void lp_setup_choose_line( struct setup_context *setup );
 void lp_setup_choose_point( struct setup_context *setup );
 
+struct lp_scene *lp_setup_get_current_scene(struct setup_context *setup);
+
+void lp_setup_init_vbuf(struct setup_context *setup);
+
+void lp_setup_update_state( struct setup_context *setup );
+
+void lp_setup_destroy( struct setup_context *setup );
 
 #endif