/************************************************************************** * * Copyright 2009 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #ifndef LP_RAST_PRIV_H #define LP_RAST_PRIV_H #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" /* 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 struct lp_rasterizer_task; extern int jit_line; extern const struct lp_rast_state *jit_state; extern const struct lp_rasterizer_task *jit_task; #define BEGIN_JIT_CALL(state, task) \ do { \ jit_line = __LINE__; \ jit_state = state; \ jit_task = task; \ } while (0) #define END_JIT_CALL() \ do { \ jit_line = 0; \ jit_state = NULL; \ } while (0) #else #define BEGIN_JIT_CALL(X, Y) #define END_JIT_CALL() #endif struct lp_rasterizer; struct cmd_bin; /** * Per-thread rasterization state */ struct lp_rasterizer_task { const struct cmd_bin *bin; const struct lp_rast_state *state; struct lp_scene *scene; unsigned x, y; /**< Pos of this tile in framebuffer, in pixels */ 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; struct llvmpipe_query *query; pipe_semaphore work_ready; pipe_semaphore work_done; }; /** * This is the state required while rasterizing tiles. * Note that this contains per-thread information too. * The tile size is TILE_SIZE x TILE_SIZE pixels. */ struct lp_rasterizer { boolean exit_flag; /** The incoming queue of scenes ready to rasterize */ struct lp_scene_queue *full_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[LP_MAX_THREADS]; unsigned num_threads; pipe_thread threads[LP_MAX_THREADS]; /** For synchronizing the rasterization threads */ pipe_barrier barrier; }; 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 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_get_depth_block_pointer(struct lp_rasterizer_task *task, unsigned x, unsigned y) { const struct lp_scene *scene = task->scene; void *depth; assert((x % TILE_VECTOR_WIDTH) == 0); assert((y % TILE_VECTOR_HEIGHT) == 0); if (!scene->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 = (scene->zsbuf.map + scene->zsbuf.stride * y + scene->zsbuf.blocksize * x * TILE_VECTOR_HEIGHT); assert(lp_check_alignment(depth, 16)); 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) { const struct lp_scene *scene = task->scene; assert(task->x % TILE_SIZE == 0); assert(task->y % TILE_SIZE == 0); assert(buf < scene->fb.nr_cbufs); if (!task->color_tiles[buf]) { struct pipe_surface *cbuf = 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->u.tex.first_layer, cbuf->u.tex.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 * triangle in/out tests. * \param x, y location of 4x4 block in window coords */ static INLINE void lp_rast_shade_quads_all( struct lp_rasterizer_task *task, const struct lp_rast_shader_inputs *inputs, unsigned x, unsigned y ) { const struct lp_scene *scene = task->scene; const struct lp_rast_state *state = task->state; struct lp_fragment_shader_variant *variant = state->variant; uint8_t *color[PIPE_MAX_COLOR_BUFS]; void *depth; unsigned i; /* color buffer */ for (i = 0; i < scene->fb.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, task); variant->jit_function[RAST_WHOLE]( &state->jit_context, x, y, inputs->frontfacing, GET_A0(inputs), GET_DADX(inputs), GET_DADY(inputs), color, depth, 0xffff, &task->vis_counter ); END_JIT_CALL(); } void lp_rast_triangle_1( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_2( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_3( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_4( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_5( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_6( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_7( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_8( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_3_4(struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_3_16( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_triangle_4_16( struct lp_rasterizer_task *, const union lp_rast_cmd_arg ); void lp_rast_set_state(struct lp_rasterizer_task *task, const union lp_rast_cmd_arg arg); void lp_debug_bin( const struct cmd_bin *bin ); #endif