diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup.c | 953 |
1 files changed, 953 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c new file mode 100644 index 0000000000..e8aafee33f --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_setup.c @@ -0,0 +1,953 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + +/** + * Tiling engine. + * + * Builds per-tile display lists and executes them on calls to + * lp_setup_flush(). + */ + +#include <limits.h> + +#include "pipe/p_defines.h" +#include "util/u_framebuffer.h" +#include "util/u_inlines.h" +#include "util/u_memory.h" +#include "util/u_pack_color.h" +#include "lp_context.h" +#include "lp_scene.h" +#include "lp_scene_queue.h" +#include "lp_texture.h" +#include "lp_debug.h" +#include "lp_fence.h" +#include "lp_query.h" +#include "lp_rast.h" +#include "lp_setup_context.h" +#include "lp_screen.h" +#include "lp_state.h" +#include "state_tracker/sw_winsys.h" + +#include "draw/draw_context.h" +#include "draw/draw_vbuf.h" + + +static void set_scene_state( struct lp_setup_context *, enum setup_state ); + + +struct lp_scene * +lp_setup_get_current_scene(struct lp_setup_context *setup) +{ + if (!setup->scene) { + + /* wait for a free/empty scene + */ + setup->scene = lp_scene_dequeue(setup->empty_scenes, TRUE); + + assert(lp_scene_is_empty(setup->scene)); + + lp_scene_begin_binning(setup->scene, + &setup->fb ); + } + return setup->scene; +} + + +/** + * Check if the size of the current scene has exceeded the limit. + * If so, flush/render it. + */ +static void +setup_check_scene_size_and_flush(struct lp_setup_context *setup) +{ + if (setup->scene) { + struct lp_scene *scene = lp_setup_get_current_scene(setup); + unsigned size = lp_scene_get_size(scene); + + if (size > LP_MAX_SCENE_SIZE) { + /*printf("LLVMPIPE: scene size = %u, flushing.\n", size);*/ + set_scene_state( setup, SETUP_FLUSHED ); + /*assert(lp_scene_get_size(scene) == 0);*/ + } + } +} + + +static void +first_triangle( struct lp_setup_context *setup, + const float (*v0)[4], + const float (*v1)[4], + const float (*v2)[4]) +{ + set_scene_state( setup, SETUP_ACTIVE ); + lp_setup_choose_triangle( setup ); + setup->triangle( setup, v0, v1, v2 ); +} + +static void +first_line( struct lp_setup_context *setup, + const float (*v0)[4], + const float (*v1)[4]) +{ + set_scene_state( setup, SETUP_ACTIVE ); + lp_setup_choose_line( setup ); + setup->line( setup, v0, v1 ); +} + +static void +first_point( struct lp_setup_context *setup, + const float (*v0)[4]) +{ + set_scene_state( setup, SETUP_ACTIVE ); + lp_setup_choose_point( setup ); + setup->point( setup, v0 ); +} + +static void reset_context( struct lp_setup_context *setup ) +{ + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + /* Reset derived state */ + setup->constants.stored_size = 0; + setup->constants.stored_data = NULL; + setup->fs.stored = NULL; + setup->dirty = ~0; + + /* no current bin */ + setup->scene = NULL; + + /* Reset some state: + */ + setup->clear.flags = 0; + setup->clear.clearzs.clearzs_mask = 0; + + /* Have an explicit "start-binning" call and get rid of this + * pointer twiddling? + */ + setup->line = first_line; + setup->point = first_point; + setup->triangle = first_triangle; +} + + +/** Rasterize all scene's bins */ +static void +lp_setup_rasterize_scene( struct lp_setup_context *setup ) +{ + struct lp_scene *scene = lp_setup_get_current_scene(setup); + + lp_scene_rasterize(scene, setup->rast); + + reset_context( setup ); + + LP_DBG(DEBUG_SETUP, "%s done \n", __FUNCTION__); +} + + + +static void +begin_binning( struct lp_setup_context *setup ) +{ + struct lp_scene *scene = lp_setup_get_current_scene(setup); + boolean need_zsload = FALSE; + if (setup->fb.zsbuf && + ((setup->clear.flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) && + util_format_is_depth_and_stencil(setup->fb.zsbuf->format)) + need_zsload = TRUE; + + LP_DBG(DEBUG_SETUP, "%s color: %s depth: %s\n", __FUNCTION__, + (setup->clear.flags & PIPE_CLEAR_COLOR) ? "clear": "load", + need_zsload ? "clear": "load"); + + if (setup->fb.nr_cbufs) { + if (setup->clear.flags & PIPE_CLEAR_COLOR) { + lp_scene_bin_everywhere( scene, + lp_rast_clear_color, + setup->clear.color ); + scene->has_color_clear = TRUE; + } + } + + if (setup->fb.zsbuf) { + if (setup->clear.flags & PIPE_CLEAR_DEPTHSTENCIL) { + if (!need_zsload) + scene->has_depthstencil_clear = TRUE; + lp_scene_bin_everywhere( scene, + lp_rast_clear_zstencil, + lp_rast_arg_clearzs(&setup->clear.clearzs) ); + } + } + + LP_DBG(DEBUG_SETUP, "%s done\n", __FUNCTION__); +} + + +/* This basically bins and then flushes any outstanding full-screen + * clears. + * + * TODO: fast path for fullscreen clears and no triangles. + */ +static void +execute_clears( struct lp_setup_context *setup ) +{ + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + begin_binning( setup ); + lp_setup_rasterize_scene( setup ); +} + + +static void +set_scene_state( struct lp_setup_context *setup, + enum setup_state new_state ) +{ + unsigned old_state = setup->state; + + if (old_state == new_state) + return; + + LP_DBG(DEBUG_SETUP, "%s old %d new %d\n", __FUNCTION__, old_state, new_state); + + switch (new_state) { + case SETUP_ACTIVE: + begin_binning( setup ); + break; + + case SETUP_CLEARED: + if (old_state == SETUP_ACTIVE) { + assert(0); + return; + } + break; + + case SETUP_FLUSHED: + if (old_state == SETUP_CLEARED) + execute_clears( setup ); + else + lp_setup_rasterize_scene( setup ); + break; + + default: + assert(0 && "invalid setup state mode"); + } + + setup->state = new_state; +} + + +/** + * \param flags bitmask of PIPE_FLUSH_x flags + */ +void +lp_setup_flush( struct lp_setup_context *setup, + unsigned flags ) +{ + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + if (setup->scene) { + struct lp_scene *scene = lp_setup_get_current_scene(setup); + union lp_rast_cmd_arg dummy = {0}; + + if (flags & (PIPE_FLUSH_SWAPBUFFERS | + PIPE_FLUSH_FRAME)) { + /* Store colors in the linear color buffer(s). + * If we don't do this here, we'll end up converting the tiled + * data to linear in the texture_unmap() function, which will + * not be a parallel/threaded operation as here. + */ + lp_scene_bin_everywhere(scene, lp_rast_store_color, dummy); + } + } + + set_scene_state( setup, SETUP_FLUSHED ); +} + + +void +lp_setup_bind_framebuffer( struct lp_setup_context *setup, + const struct pipe_framebuffer_state *fb ) +{ + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + /* Flush any old scene. + */ + set_scene_state( setup, SETUP_FLUSHED ); + + /* Set new state. This will be picked up later when we next need a + * scene. + */ + util_copy_framebuffer_state(&setup->fb, fb); +} + + +void +lp_setup_clear( struct lp_setup_context *setup, + const float *color, + double depth, + unsigned stencil, + unsigned flags ) +{ + struct lp_scene *scene = lp_setup_get_current_scene(setup); + unsigned i; + boolean full_zs_clear = TRUE; + uint32_t mask = 0; + + LP_DBG(DEBUG_SETUP, "%s state %d\n", __FUNCTION__, setup->state); + + + if (flags & PIPE_CLEAR_COLOR) { + for (i = 0; i < 4; ++i) + setup->clear.color.clear_color[i] = float_to_ubyte(color[i]); + } + + if (flags & PIPE_CLEAR_DEPTHSTENCIL) { + if (setup->fb.zsbuf && + ((flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) && + util_format_is_depth_and_stencil(setup->fb.zsbuf->format)) + full_zs_clear = FALSE; + + if (full_zs_clear) { + setup->clear.clearzs.clearzs_value = + util_pack_z_stencil(setup->fb.zsbuf->format, + depth, + stencil); + setup->clear.clearzs.clearzs_mask = 0xffffffff; + } + else { + /* hmm */ + uint32_t tmpval; + if (flags & PIPE_CLEAR_DEPTH) { + tmpval = util_pack_z(setup->fb.zsbuf->format, + depth); + switch (setup->fb.zsbuf->format) { + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + mask = 0xffffff; + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + mask = 0xffffff00; + break; + default: + assert(0); + } + } + else { + switch (setup->fb.zsbuf->format) { + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + mask = 0xff000000; + tmpval = stencil << 24; + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + mask = 0xff; + tmpval = stencil; + break; + default: + assert(0); + tmpval = 0; + } + } + setup->clear.clearzs.clearzs_mask |= mask; + setup->clear.clearzs.clearzs_value = + (setup->clear.clearzs.clearzs_value & ~mask) | (tmpval & mask); + } + } + + if (setup->state == SETUP_ACTIVE) { + /* Add the clear to existing scene. In the unusual case where + * both color and depth-stencil are being cleared when there's + * already been some rendering, we could discard the currently + * binned scene and start again, but I don't see that as being + * a common usage. + */ + if (flags & PIPE_CLEAR_COLOR) { + lp_scene_bin_everywhere( scene, + lp_rast_clear_color, + setup->clear.color ); + scene->has_color_clear = TRUE; + } + + if (flags & PIPE_CLEAR_DEPTHSTENCIL) { + if (full_zs_clear) + scene->has_depthstencil_clear = TRUE; + else + setup->clear.clearzs.clearzs_mask = mask; + lp_scene_bin_everywhere( scene, + lp_rast_clear_zstencil, + lp_rast_arg_clearzs(&setup->clear.clearzs) ); + + + } + + } + else { + /* Put ourselves into the 'pre-clear' state, specifically to try + * and accumulate multiple clears to color and depth_stencil + * buffers which the app or state-tracker might issue + * separately. + */ + set_scene_state( setup, SETUP_CLEARED ); + + setup->clear.flags |= flags; + } +} + + +/** + * Emit a fence. + */ +struct pipe_fence_handle * +lp_setup_fence( struct lp_setup_context *setup ) +{ + if (setup->num_threads == 0) { + return NULL; + } + else { + struct lp_scene *scene = lp_setup_get_current_scene(setup); + const unsigned rank = lp_scene_get_num_bins( scene ); /* xxx */ + struct lp_fence *fence = lp_fence_create(rank); + + LP_DBG(DEBUG_SETUP, "%s rank %u\n", __FUNCTION__, rank); + + set_scene_state( setup, SETUP_ACTIVE ); + + /* insert the fence into all command bins */ + lp_scene_bin_everywhere( scene, + lp_rast_fence, + lp_rast_arg_fence(fence) ); + + return (struct pipe_fence_handle *) fence; + } +} + + +void +lp_setup_set_triangle_state( struct lp_setup_context *setup, + unsigned cull_mode, + boolean ccw_is_frontface, + boolean scissor, + boolean gl_rasterization_rules) +{ + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + setup->ccw_is_frontface = ccw_is_frontface; + setup->cullmode = cull_mode; + setup->triangle = first_triangle; + setup->scissor_test = scissor; + setup->pixel_offset = gl_rasterization_rules ? 0.5f : 0.0f; +} + + + +void +lp_setup_set_fs_inputs( struct lp_setup_context *setup, + const struct lp_shader_input *input, + unsigned nr ) +{ + LP_DBG(DEBUG_SETUP, "%s %p %u\n", __FUNCTION__, (void *) input, nr); + + memcpy( setup->fs.input, input, nr * sizeof input[0] ); + setup->fs.nr_inputs = nr; +} + +void +lp_setup_set_fs_variant( struct lp_setup_context *setup, + struct lp_fragment_shader_variant *variant) +{ + LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, + variant); + /* FIXME: reference count */ + + setup->fs.current.variant = variant; + setup->dirty |= LP_SETUP_NEW_FS; +} + +void +lp_setup_set_fs_constants(struct lp_setup_context *setup, + struct pipe_resource *buffer) +{ + LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) buffer); + + pipe_resource_reference(&setup->constants.current, buffer); + + setup->dirty |= LP_SETUP_NEW_CONSTANTS; +} + + +void +lp_setup_set_alpha_ref_value( struct lp_setup_context *setup, + float alpha_ref_value ) +{ + LP_DBG(DEBUG_SETUP, "%s %f\n", __FUNCTION__, alpha_ref_value); + + if(setup->fs.current.jit_context.alpha_ref_value != alpha_ref_value) { + setup->fs.current.jit_context.alpha_ref_value = alpha_ref_value; + setup->dirty |= LP_SETUP_NEW_FS; + } +} + +void +lp_setup_set_stencil_ref_values( struct lp_setup_context *setup, + const ubyte refs[2] ) +{ + LP_DBG(DEBUG_SETUP, "%s %d %d\n", __FUNCTION__, refs[0], refs[1]); + + if (setup->fs.current.jit_context.stencil_ref_front != refs[0] || + setup->fs.current.jit_context.stencil_ref_back != refs[1]) { + setup->fs.current.jit_context.stencil_ref_front = refs[0]; + setup->fs.current.jit_context.stencil_ref_back = refs[1]; + setup->dirty |= LP_SETUP_NEW_FS; + } +} + +void +lp_setup_set_blend_color( struct lp_setup_context *setup, + const struct pipe_blend_color *blend_color ) +{ + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + assert(blend_color); + + if(memcmp(&setup->blend_color.current, blend_color, sizeof *blend_color) != 0) { + memcpy(&setup->blend_color.current, blend_color, sizeof *blend_color); + setup->dirty |= LP_SETUP_NEW_BLEND_COLOR; + } +} + + +void +lp_setup_set_scissor( struct lp_setup_context *setup, + const struct pipe_scissor_state *scissor ) +{ + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + assert(scissor); + + if (memcmp(&setup->scissor.current, scissor, sizeof(*scissor)) != 0) { + setup->scissor.current = *scissor; /* struct copy */ + setup->dirty |= LP_SETUP_NEW_SCISSOR; + } +} + + +void +lp_setup_set_flatshade_first( struct lp_setup_context *setup, + boolean flatshade_first ) +{ + setup->flatshade_first = flatshade_first; +} + + +void +lp_setup_set_vertex_info( struct lp_setup_context *setup, + struct vertex_info *vertex_info ) +{ + /* XXX: just silently holding onto the pointer: + */ + setup->vertex_info = vertex_info; +} + + +/** + * Called during state validation when LP_NEW_SAMPLER_VIEW is set. + */ +void +lp_setup_set_fragment_sampler_views(struct lp_setup_context *setup, + unsigned num, + struct pipe_sampler_view **views) +{ + unsigned i; + + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + assert(num <= PIPE_MAX_SAMPLERS); + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + struct pipe_sampler_view *view = i < num ? views[i] : NULL; + + if(view) { + struct pipe_resource *tex = view->texture; + struct llvmpipe_resource *lp_tex = llvmpipe_resource(tex); + struct lp_jit_texture *jit_tex; + jit_tex = &setup->fs.current.jit_context.textures[i]; + jit_tex->width = tex->width0; + jit_tex->height = tex->height0; + jit_tex->depth = tex->depth0; + jit_tex->last_level = tex->last_level; + + /* We're referencing the texture's internal data, so save a + * reference to it. + */ + pipe_resource_reference(&setup->fs.current_tex[i], tex); + + if (!lp_tex->dt) { + /* regular texture - setup array of mipmap level pointers */ + int j; + for (j = 0; j <= tex->last_level; j++) { + jit_tex->data[j] = + llvmpipe_get_texture_image_all(lp_tex, j, LP_TEX_USAGE_READ, + LP_TEX_LAYOUT_LINEAR); + jit_tex->row_stride[j] = lp_tex->row_stride[j]; + jit_tex->img_stride[j] = lp_tex->img_stride[j]; + } + } + else { + /* display target texture/surface */ + /* + * XXX: Where should this be unmapped? + */ + + struct llvmpipe_screen *screen = llvmpipe_screen(tex->screen); + struct sw_winsys *winsys = screen->winsys; + jit_tex->data[0] = winsys->displaytarget_map(winsys, lp_tex->dt, + PIPE_TRANSFER_READ); + jit_tex->row_stride[0] = lp_tex->row_stride[0]; + jit_tex->img_stride[0] = lp_tex->img_stride[0]; + assert(jit_tex->data[0]); + } + } + } + + setup->dirty |= LP_SETUP_NEW_FS; +} + + +/** + * Is the given texture referenced by any scene? + * Note: we have to check all scenes including any scenes currently + * being rendered and the current scene being built. + */ +unsigned +lp_setup_is_resource_referenced( const struct lp_setup_context *setup, + const struct pipe_resource *texture ) +{ + unsigned i; + + /* check the render targets */ + for (i = 0; i < setup->fb.nr_cbufs; i++) { + if (setup->fb.cbufs[i]->texture == texture) + return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; + } + if (setup->fb.zsbuf && setup->fb.zsbuf->texture == texture) { + return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; + } + + /* check textures referenced by the scene */ + for (i = 0; i < Elements(setup->scenes); i++) { + if (lp_scene_is_resource_referenced(setup->scenes[i], texture)) { + return PIPE_REFERENCED_FOR_READ; + } + } + + return PIPE_UNREFERENCED; +} + + +/** + * Called by vbuf code when we're about to draw something. + */ +void +lp_setup_update_state( struct lp_setup_context *setup ) +{ + struct lp_scene *scene; + + LP_DBG(DEBUG_SETUP, "%s\n", __FUNCTION__); + + setup_check_scene_size_and_flush(setup); + + scene = lp_setup_get_current_scene(setup); + + assert(setup->fs.current.variant); + + /* Some of the 'draw' pipeline stages may have changed some driver state. + * Make sure we've processed those state changes before anything else. + * + * XXX this is the only place where llvmpipe_context is used in the + * setup code. This may get refactored/changed... + */ + { + struct llvmpipe_context *lp = llvmpipe_context(scene->pipe); + if (lp->dirty) { + llvmpipe_update_derived(lp); + } + assert(lp->dirty == 0); + } + + if(setup->dirty & LP_SETUP_NEW_BLEND_COLOR) { + uint8_t *stored; + unsigned i, j; + + stored = lp_scene_alloc_aligned(scene, 4 * 16, 16); + + if (stored) { + /* smear each blend color component across 16 ubyte elements */ + for (i = 0; i < 4; ++i) { + uint8_t c = float_to_ubyte(setup->blend_color.current.color[i]); + for (j = 0; j < 16; ++j) + stored[i*16 + j] = c; + } + + setup->blend_color.stored = stored; + + setup->fs.current.jit_context.blend_color = setup->blend_color.stored; + } + + setup->dirty |= LP_SETUP_NEW_FS; + } + + if (setup->dirty & LP_SETUP_NEW_SCISSOR) { + float *stored; + + stored = lp_scene_alloc_aligned(scene, 4 * sizeof(int32_t), 16); + + if (stored) { + stored[0] = (float) setup->scissor.current.minx; + stored[1] = (float) setup->scissor.current.miny; + stored[2] = (float) setup->scissor.current.maxx; + stored[3] = (float) setup->scissor.current.maxy; + + setup->scissor.stored = stored; + + setup->fs.current.jit_context.scissor_xmin = stored[0]; + setup->fs.current.jit_context.scissor_ymin = stored[1]; + setup->fs.current.jit_context.scissor_xmax = stored[2]; + setup->fs.current.jit_context.scissor_ymax = stored[3]; + } + + setup->dirty |= LP_SETUP_NEW_FS; + } + + if(setup->dirty & LP_SETUP_NEW_CONSTANTS) { + struct pipe_resource *buffer = setup->constants.current; + + if(buffer) { + unsigned current_size = buffer->width0; + const void *current_data = llvmpipe_resource_data(buffer); + + /* TODO: copy only the actually used constants? */ + + if(setup->constants.stored_size != current_size || + !setup->constants.stored_data || + memcmp(setup->constants.stored_data, + current_data, + current_size) != 0) { + void *stored; + + stored = lp_scene_alloc(scene, current_size); + if(stored) { + memcpy(stored, + current_data, + current_size); + setup->constants.stored_size = current_size; + setup->constants.stored_data = stored; + } + } + } + else { + setup->constants.stored_size = 0; + setup->constants.stored_data = NULL; + } + + setup->fs.current.jit_context.constants = setup->constants.stored_data; + setup->dirty |= LP_SETUP_NEW_FS; + } + + + if(setup->dirty & LP_SETUP_NEW_FS) { + if(!setup->fs.stored || + memcmp(setup->fs.stored, + &setup->fs.current, + sizeof setup->fs.current) != 0) { + /* The fs state that's been stored in the scene is different from + * the new, current state. So allocate a new lp_rast_state object + * and append it to the bin's setup data buffer. + */ + uint i; + struct lp_rast_state *stored = + (struct lp_rast_state *) lp_scene_alloc(scene, sizeof *stored); + if(stored) { + memcpy(stored, + &setup->fs.current, + sizeof setup->fs.current); + setup->fs.stored = stored; + + /* put the state-set command into all bins */ + lp_scene_bin_state_command( scene, + lp_rast_set_state, + lp_rast_arg_state(setup->fs.stored) ); + } + + /* The scene now references the textures in the rasterization + * state record. Note that now. + */ + for (i = 0; i < Elements(setup->fs.current_tex); i++) { + if (setup->fs.current_tex[i]) + lp_scene_add_resource_reference(scene, setup->fs.current_tex[i]); + } + } + } + + setup->dirty = 0; + + assert(setup->fs.stored); +} + + + +/* Only caller is lp_setup_vbuf_destroy() + */ +void +lp_setup_destroy( struct lp_setup_context *setup ) +{ + uint i; + + reset_context( setup ); + + util_unreference_framebuffer_state(&setup->fb); + + for (i = 0; i < Elements(setup->fs.current_tex); i++) { + pipe_resource_reference(&setup->fs.current_tex[i], NULL); + } + + pipe_resource_reference(&setup->constants.current, NULL); + + /* free the scenes in the 'empty' queue */ + while (1) { + struct lp_scene *scene = lp_scene_dequeue(setup->empty_scenes, FALSE); + if (!scene) + break; + lp_scene_destroy(scene); + } + + lp_scene_queue_destroy(setup->empty_scenes); + + lp_rast_destroy( setup->rast ); + + FREE( setup ); +} + + +/** + * Create a new primitive tiling engine. Plug it into the backend of + * the draw module. Currently also creates a rasterizer to use with + * it. + */ +struct lp_setup_context * +lp_setup_create( struct pipe_context *pipe, + struct draw_context *draw ) +{ + struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); + struct lp_setup_context *setup = CALLOC_STRUCT(lp_setup_context); + unsigned i; + + if (!setup) + return NULL; + + lp_setup_init_vbuf(setup); + + setup->empty_scenes = lp_scene_queue_create(); + if (!setup->empty_scenes) + goto fail; + + /* XXX: move this to the screen and share between contexts: + */ + setup->num_threads = screen->num_threads; + setup->rast = lp_rast_create(screen->num_threads); + if (!setup->rast) + goto fail; + + setup->vbuf = draw_vbuf_stage(draw, &setup->base); + if (!setup->vbuf) + goto fail; + + draw_set_rasterize_stage(draw, setup->vbuf); + draw_set_render(draw, &setup->base); + + /* create some empty scenes */ + for (i = 0; i < MAX_SCENES; i++) { + setup->scenes[i] = lp_scene_create( pipe, setup->empty_scenes ); + + lp_scene_enqueue(setup->empty_scenes, setup->scenes[i]); + } + + setup->triangle = first_triangle; + setup->line = first_line; + setup->point = first_point; + + setup->dirty = ~0; + + return setup; + +fail: + if (setup->rast) + lp_rast_destroy( setup->rast ); + + if (setup->vbuf) + ; + + if (setup->empty_scenes) + lp_scene_queue_destroy(setup->empty_scenes); + + FREE(setup); + return NULL; +} + + +/** + * Put a BeginQuery command into all bins. + */ +void +lp_setup_begin_query(struct lp_setup_context *setup, + struct llvmpipe_query *pq) +{ + struct lp_scene * scene = lp_setup_get_current_scene(setup); + union lp_rast_cmd_arg cmd_arg; + + /* init the query to its beginning state */ + pq->done = FALSE; + pq->tile_count = 0; + pq->num_tiles = scene->tiles_x * scene->tiles_y; + assert(pq->num_tiles > 0); + + memset(pq->count, 0, sizeof(pq->count)); /* reset all counters */ + + cmd_arg.query_obj = pq; + lp_scene_bin_everywhere(scene, lp_rast_begin_query, cmd_arg); + pq->binned = TRUE; +} + + +/** + * Put an EndQuery command into all bins. + */ +void +lp_setup_end_query(struct lp_setup_context *setup, struct llvmpipe_query *pq) +{ + struct lp_scene * scene = lp_setup_get_current_scene(setup); + union lp_rast_cmd_arg cmd_arg; + + cmd_arg.query_obj = pq; + lp_scene_bin_everywhere(scene, lp_rast_end_query, cmd_arg); +} |