*
**************************************************************************/
+
+/**
+ * The setup code is concerned with point/line/triangle setup and
+ * putting commands/data into the bins.
+ */
+
+
#ifndef LP_SETUP_CONTEXT_H
#define LP_SETUP_CONTEXT_H
#include "lp_setup.h"
#include "lp_rast.h"
+#include "lp_tile_soa.h" /* for TILE_SIZE */
+#include "lp_scene.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 / TILESIZE)
-#define TILES_Y (MAXHEIGHT / TILESIZE)
-
-#define CMD_BLOCK_MAX 128
-#define DATA_BLOCK_SIZE (16 * 1024 - sizeof(unsigned) - sizeof(void *))
-
+#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
-/* switch to a non-pointer value for this:
- */
-typedef void (*lp_rast_cmd)( struct lp_rasterizer *, const union lp_rast_cmd_arg );
+struct lp_scene_queue;
-struct cmd_block {
- lp_rast_cmd cmd[CMD_BLOCK_MAX];
- union lp_rast_cmd_arg arg[CMD_BLOCK_MAX];
- unsigned count;
- struct cmd_block *next;
-};
-struct data_block {
- ubyte data[DATA_BLOCK_SIZE];
- unsigned used;
- struct data_block *next;
-};
+/** Max number of scenes */
+#define MAX_SCENES 2
-struct cmd_block_list {
- struct cmd_block *head;
- struct cmd_block *tail;
-};
-struct data_block_list {
- struct data_block *head;
- struct data_block *tail;
-};
-
-struct setup_context {
+/**
+ * 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 vbuf_render base;
- struct lp_rasterizer *rast;
+ struct vertex_info *vertex_info;
+ uint prim;
+ uint vertex_size;
+ uint nr_vertices;
+ uint vertex_buffer_size;
+ void *vertex_buffer;
- /* When there are multiple threads, will want to double-buffer the
- * bin arrays:
+ /* Final pipeline stage for draw module. Draw module should
+ * create/install this itself now.
*/
- struct cmd_block_list 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 */
- unsigned tiles_x;
- unsigned tiles_y;
-
+ boolean flatshade_first;
boolean ccw_is_frontface;
unsigned cullmode;
- struct {
- struct pipe_surface *cbuf;
- struct pipe_surface *zsbuf;
- unsigned width;
- unsigned height;
- } fb;
+ struct pipe_framebuffer_state fb;
struct {
unsigned flags;
- union lp_rast_cmd_arg color;
- union lp_rast_cmd_arg zstencil;
+ union lp_rast_cmd_arg color; /**< lp_rast_clear_color() cmd */
+ union lp_rast_cmd_arg zstencil; /**< lp_rast_clear_zstencil() cmd */
} clear;
enum {
struct lp_shader_input input[PIPE_MAX_ATTRIBS];
unsigned nr_inputs;
- const struct lp_rast_state *stored;
- struct lp_rast_state current;
+ const struct lp_rast_state *stored; /**< what's in the scene */
+ struct lp_rast_state current; /**< currently set state */
} fs;
+ /** fragment shader constants */
struct {
struct pipe_buffer *current;
unsigned stored_size;
uint8_t *stored;
} blend_color;
- unsigned dirty;
+ 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]);
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_new_data_block( struct data_block_list *list );
-void lp_setup_new_cmd_block( struct cmd_block_list *list );
-
-static INLINE void *get_data( struct data_block_list *list,
- unsigned size)
-{
-
- if (list->tail->used + size > DATA_BLOCK_SIZE) {
- lp_setup_new_data_block( list );
- }
-
- {
- struct data_block *tail = list->tail;
- ubyte *data = tail->data + tail->used;
- tail->used += size;
- return data;
- }
-}
-
-/* Put back data if we decide not to use it, eg. culled triangles.
- */
-static INLINE void putback_data( struct data_block_list *list,
- unsigned size)
-{
- list->tail->used -= size;
-}
-
-
-static INLINE void *get_data_aligned( struct data_block_list *list,
- unsigned size,
- unsigned alignment )
-{
-
- if (list->tail->used + size + alignment - 1 > DATA_BLOCK_SIZE) {
- lp_setup_new_data_block( list );
- }
-
- {
- struct data_block *tail = list->tail;
- ubyte *data = tail->data + tail->used;
- unsigned offset = (((uintptr_t)data + alignment - 1) & ~(alignment - 1)) - (uintptr_t)data;
- tail->used += offset + size;
- return data + offset;
- }
-}
-
-/* Add a command to a given bin.
- */
-static INLINE void bin_command( struct cmd_block_list *list,
- lp_rast_cmd cmd,
- union lp_rast_cmd_arg arg )
-{
- if (list->tail->count == CMD_BLOCK_MAX) {
- lp_setup_new_cmd_block( list );
- }
-
- {
- struct cmd_block *tail = list->tail;
- unsigned i = tail->count;
- tail->cmd[i] = cmd;
- tail->arg[i] = arg;
- tail->count++;
- }
-}
+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
projects / mesa.git / blobdiff