#include "os/os_thread.h"
#include "util/u_format.h"
#include "gallivm/lp_bld_debug.h"
+#include "lp_memory.h"
#include "lp_rast.h"
+#include "lp_scene.h"
+#include "lp_state.h"
+#include "lp_texture.h"
#include "lp_tile_soa.h"
+#include "lp_limits.h"
-#define MAX_THREADS 8 /* XXX probably temporary here */
+/* If we crash in a jitted function, we can examine jit_line and jit_state
+ * to get some info. This is not thread-safe, however.
+ */
+#ifdef DEBUG
+extern int jit_line;
+extern const struct lp_rast_state *jit_state;
-struct pipe_transfer;
-struct pipe_screen;
-struct lp_rasterizer;
+#define BEGIN_JIT_CALL(state) \
+ do { \
+ jit_line = __LINE__; \
+ jit_state = state; \
+ } while (0)
+#define END_JIT_CALL() \
+ do { \
+ jit_line = 0; \
+ jit_state = NULL; \
+ } while (0)
-/**
- * A tile's color and depth memory.
- * We can choose whatever layout for the internal tile storage we prefer.
- */
-struct lp_rast_tile
-{
- uint8_t *color[PIPE_MAX_COLOR_BUFS];
-};
+#else
+
+#define BEGIN_JIT_CALL(X)
+#define END_JIT_CALL()
+
+#endif
+
+
+struct lp_rasterizer;
/**
*/
struct lp_rasterizer_task
{
- struct lp_rast_tile tile; /** Tile color/z/stencil memory */
-
unsigned x, y; /**< Pos of this tile in framebuffer, in pixels */
- const struct lp_rast_state *current_state;
+ uint8_t *color_tiles[PIPE_MAX_COLOR_BUFS];
+ uint8_t *depth_tile;
/** "back" pointer */
struct lp_rasterizer *rast;
/** "my" index */
unsigned thread_index;
+ /* occlude counter for visiable pixels */
+ uint32_t vis_counter;
+
pipe_semaphore work_ready;
pipe_semaphore work_done;
};
*/
struct lp_rasterizer
{
- boolean clipped_tile;
- boolean check_for_clipped_tiles;
boolean exit_flag;
/* Framebuffer stuff
*/
- struct pipe_screen *screen;
- struct pipe_transfer *cbuf_transfer[PIPE_MAX_COLOR_BUFS];
- struct pipe_transfer *zsbuf_transfer;
- void *cbuf_map[PIPE_MAX_COLOR_BUFS];
- uint8_t *zsbuf_map;
+ struct {
+ uint8_t *map;
+ unsigned stride;
+ unsigned blocksize;
+ } zsbuf;
struct {
- struct pipe_framebuffer_state fb;
- boolean write_color;
- boolean write_zstencil;
+ unsigned nr_cbufs;
unsigned clear_color;
unsigned clear_depth;
char clear_stencil;
/** The incoming queue of scenes ready to rasterize */
struct lp_scene_queue *full_scenes;
- /** The outgoing queue of processed scenes to return to setup modulee */
- struct lp_scene_queue *empty_scenes;
+
+ /**
+ * The outgoing queue of processed scenes to return to setup module
+ *
+ * XXX: while scenes are per-context but the rasterizer is
+ * (potentially) shared, these empty scenes should be returned to
+ * the context which created them rather than retained here.
+ */
+ /* struct lp_scene_queue *empty_scenes; */
/** The scene currently being rasterized by the threads */
struct lp_scene *curr_scene;
/** A task object for each rasterization thread */
- struct lp_rasterizer_task tasks[MAX_THREADS];
+ struct lp_rasterizer_task tasks[LP_MAX_THREADS];
unsigned num_threads;
- pipe_thread threads[MAX_THREADS];
+ pipe_thread threads[LP_MAX_THREADS];
/** For synchronizing the rasterization threads */
pipe_barrier barrier;
};
-void lp_rast_shade_quads( struct lp_rasterizer_task *task,
- const struct lp_rast_shader_inputs *inputs,
- unsigned x, unsigned y,
- int32_t c1, int32_t c2, int32_t c3);
+void
+lp_rast_shade_quads_mask(struct lp_rasterizer_task *task,
+ const struct lp_rast_shader_inputs *inputs,
+ unsigned x, unsigned y,
+ unsigned mask);
+
/**
- * Get the pointer to the depth buffer for a block.
+ * Get the pointer to a 4x4 depth/stencil block.
+ * We'll map the z/stencil buffer on demand here.
+ * Note that this may be called even when there's no z/stencil buffer - return
+ * NULL in that case.
* \param x, y location of 4x4 block in window coords
*/
static INLINE void *
-lp_rast_depth_pointer( struct lp_rasterizer *rast,
- unsigned x, unsigned y )
+lp_rast_get_depth_block_pointer(struct lp_rasterizer_task *task,
+ unsigned x, unsigned y)
{
- void * depth;
+ const struct lp_rasterizer *rast = task->rast;
+ void *depth;
+
assert((x % TILE_VECTOR_WIDTH) == 0);
assert((y % TILE_VECTOR_HEIGHT) == 0);
- if(!rast->zsbuf_map)
- return NULL;
- assert(rast->zsbuf_transfer);
- depth = rast->zsbuf_map +
- y*rast->zsbuf_transfer->stride +
- TILE_VECTOR_HEIGHT*x*util_format_get_blocksize(rast->zsbuf_transfer->texture->format);
-#ifdef DEBUG
+
+ if (!rast->zsbuf.map) {
+ /* Either out of memory or no zsbuf. Can't tell without access
+ * to the state. Just use dummy tile memory, but don't print
+ * the oom warning as this most likely because there is no
+ * zsbuf.
+ */
+ return lp_dummy_tile;
+ }
+
+ depth = (rast->zsbuf.map +
+ rast->zsbuf.stride * y +
+ rast->zsbuf.blocksize * x * TILE_VECTOR_HEIGHT);
+
assert(lp_check_alignment(depth, 16));
-#endif
return depth;
}
+/**
+ * Get pointer to the swizzled color tile
+ */
+static INLINE uint8_t *
+lp_rast_get_color_tile_pointer(struct lp_rasterizer_task *task,
+ unsigned buf, enum lp_texture_usage usage)
+{
+ struct lp_rasterizer *rast = task->rast;
+
+ assert(task->x % TILE_SIZE == 0);
+ assert(task->y % TILE_SIZE == 0);
+ assert(buf < rast->state.nr_cbufs);
+
+ if (!task->color_tiles[buf]) {
+ struct pipe_surface *cbuf = rast->curr_scene->fb.cbufs[buf];
+ struct llvmpipe_resource *lpt;
+ assert(cbuf);
+ lpt = llvmpipe_resource(cbuf->texture);
+ task->color_tiles[buf] = lp_swizzled_cbuf[task->thread_index][buf];
+
+ if (usage != LP_TEX_USAGE_WRITE_ALL) {
+ llvmpipe_swizzle_cbuf_tile(lpt,
+ cbuf->face + cbuf->zslice,
+ cbuf->level,
+ task->x, task->y,
+ task->color_tiles[buf]);
+ }
+ }
+
+ return task->color_tiles[buf];
+}
+
+
+/**
+ * Get the pointer to a 4x4 color block (within a 64x64 tile).
+ * We'll map the color buffer on demand here.
+ * Note that this may be called even when there's no color buffers - return
+ * NULL in that case.
+ * \param x, y location of 4x4 block in window coords
+ */
+static INLINE uint8_t *
+lp_rast_get_color_block_pointer(struct lp_rasterizer_task *task,
+ unsigned buf, unsigned x, unsigned y)
+{
+ unsigned px, py, pixel_offset;
+ uint8_t *color;
+
+ assert((x % TILE_VECTOR_WIDTH) == 0);
+ assert((y % TILE_VECTOR_HEIGHT) == 0);
+
+ color = lp_rast_get_color_tile_pointer(task, buf, LP_TEX_USAGE_READ_WRITE);
+ assert(color);
+
+ px = x % TILE_SIZE;
+ py = y % TILE_SIZE;
+ pixel_offset = tile_pixel_offset(px, py, 0);
+
+ color = color + pixel_offset;
+
+ assert(lp_check_alignment(color, 16));
+ return color;
+}
+
+
/**
* Shade all pixels in a 4x4 block. The fragment code omits the
const struct lp_rast_shader_inputs *inputs,
unsigned x, unsigned y )
{
- struct lp_rasterizer *rast = task->rast;
- const struct lp_rast_state *state = task->current_state;
- struct lp_rast_tile *tile = &task->tile;
- const unsigned ix = x % TILE_SIZE, iy = y % TILE_SIZE;
+ const struct lp_rasterizer *rast = task->rast;
+ const struct lp_rast_state *state = inputs->state;
+ struct lp_fragment_shader_variant *variant = state->variant;
uint8_t *color[PIPE_MAX_COLOR_BUFS];
void *depth;
- unsigned block_offset, i;
-
- /* offset of the containing 16x16 pixel block within the tile */
- block_offset = (iy / 4) * (16 * 16) + (ix / 4) * 16;
+ unsigned i;
/* color buffer */
- for (i = 0; i < rast->state.fb.nr_cbufs; i++)
- color[i] = tile->color[i] + 4 * block_offset;
-
- depth = lp_rast_depth_pointer(rast, x, y);
-
- /* run shader */
- state->jit_function[0]( &state->jit_context,
- x, y,
- inputs->a0,
- inputs->dadx,
- inputs->dady,
- color,
- depth,
- INT_MIN, INT_MIN, INT_MIN,
- NULL, NULL, NULL );
+ for (i = 0; i < rast->state.nr_cbufs; i++)
+ color[i] = lp_rast_get_color_block_pointer(task, i, x, y);
+
+ depth = lp_rast_get_depth_block_pointer(task, x, y);
+
+ /* run shader on 4x4 block */
+ BEGIN_JIT_CALL(state);
+ variant->jit_function[RAST_WHOLE]( &state->jit_context,
+ x, y,
+ inputs->facing,
+ inputs->a0,
+ inputs->dadx,
+ inputs->dady,
+ color,
+ depth,
+ 0xffff,
+ &task->vis_counter );
+ END_JIT_CALL();
}
projects / mesa.git / blobdiff