| /************************************************************************** |
| * |
| * 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) { |
| set_scene_state( setup, SETUP_EMPTY ); |
| } |
| 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_EMPTY: |
| assert(old_state == SETUP_FLUSHED); |
| assert(setup->scene == NULL); |
| |
| /* 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 ); |
| break; |
| |
| case SETUP_CLEARED: |
| assert(old_state == SETUP_EMPTY); |
| assert(setup->scene != NULL); |
| break; |
| |
| case SETUP_ACTIVE: |
| assert(old_state == SETUP_EMPTY || |
| old_state == SETUP_CLEARED); |
| assert(setup->scene != NULL); |
| begin_binning( setup ); |
| break; |
| |
| case SETUP_FLUSHED: |
| if (old_state == SETUP_CLEARED) |
| execute_clears( setup ); |
| else |
| lp_setup_rasterize_scene( setup ); |
| assert(setup->scene == NULL); |
| 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 ); |
| |
| /* |
| * Ensure the old scene is not reused. |
| */ |
| assert(!setup->scene); |
| |
| /* 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 */ |
| |
| set_scene_state( setup, SETUP_ACTIVE ); |
| |
| 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; |
| |
| set_scene_state( setup, SETUP_ACTIVE ); |
| |
| cmd_arg.query_obj = pq; |
| lp_scene_bin_everywhere(scene, lp_rast_end_query, cmd_arg); |
| } |