/************************************************************************** * * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * Copyright 2008 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 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. * **************************************************************************/ /* Author: * Keith Whitwell */ #include "draw/draw_context.h" #include "draw/draw_vbuf.h" #include "pipe/p_defines.h" #include "util/u_inlines.h" #include "util/u_math.h" #include "util/u_memory.h" #include "lp_clear.h" #include "lp_context.h" #include "lp_flush.h" #include "lp_prim_vbuf.h" #include "lp_state.h" #include "lp_surface.h" #include "lp_tile_cache.h" #include "lp_tex_cache.h" #include "lp_texture.h" #include "lp_winsys.h" #include "lp_query.h" /** * Map any drawing surfaces which aren't already mapped */ void llvmpipe_map_transfers(struct llvmpipe_context *lp) { struct pipe_screen *screen = lp->pipe.screen; struct pipe_surface *zsbuf = lp->framebuffer.zsbuf; unsigned i; for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { lp_tile_cache_map_transfers(lp->cbuf_cache[i]); } if(zsbuf) { if(!lp->zsbuf_transfer) lp->zsbuf_transfer = screen->get_tex_transfer(screen, zsbuf->texture, zsbuf->face, zsbuf->level, zsbuf->zslice, PIPE_TRANSFER_READ_WRITE, 0, 0, zsbuf->width, zsbuf->height); if(lp->zsbuf_transfer && !lp->zsbuf_map) lp->zsbuf_map = screen->transfer_map(screen, lp->zsbuf_transfer); } } /** * Unmap any mapped drawing surfaces */ void llvmpipe_unmap_transfers(struct llvmpipe_context *lp) { uint i; for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { lp_tile_cache_unmap_transfers(lp->cbuf_cache[i]); } if(lp->zsbuf_transfer) { struct pipe_screen *screen = lp->pipe.screen; if(lp->zsbuf_map) { screen->transfer_unmap(screen, lp->zsbuf_transfer); lp->zsbuf_map = NULL; } } } static void llvmpipe_destroy( struct pipe_context *pipe ) { struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); uint i; if (llvmpipe->draw) draw_destroy( llvmpipe->draw ); for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { lp_destroy_tile_cache(llvmpipe->cbuf_cache[i]); pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL); } pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL); for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { lp_destroy_tex_tile_cache(llvmpipe->tex_cache[i]); pipe_texture_reference(&llvmpipe->texture[i], NULL); } for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) { lp_destroy_tex_tile_cache(llvmpipe->vertex_tex_cache[i]); pipe_texture_reference(&llvmpipe->vertex_textures[i], NULL); } for (i = 0; i < Elements(llvmpipe->constants); i++) { if (llvmpipe->constants[i]) { pipe_buffer_reference(&llvmpipe->constants[i], NULL); } } align_free( llvmpipe ); } static unsigned int llvmpipe_is_texture_referenced( struct pipe_context *pipe, struct pipe_texture *texture, unsigned face, unsigned level) { struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); unsigned i; /* check if any of the bound drawing surfaces are this texture */ if(llvmpipe->dirty_render_cache) { for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) { if(llvmpipe->framebuffer.cbufs[i] && llvmpipe->framebuffer.cbufs[i]->texture == texture) return PIPE_REFERENCED_FOR_WRITE; } if(llvmpipe->framebuffer.zsbuf && llvmpipe->framebuffer.zsbuf->texture == texture) return PIPE_REFERENCED_FOR_WRITE; } /* check if any of the tex_cache textures are this texture */ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { if (llvmpipe->tex_cache[i] && llvmpipe->tex_cache[i]->texture == texture) return PIPE_REFERENCED_FOR_READ; } for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) { if (llvmpipe->vertex_tex_cache[i] && llvmpipe->vertex_tex_cache[i]->texture == texture) return PIPE_REFERENCED_FOR_READ; } return PIPE_UNREFERENCED; } static unsigned int llvmpipe_is_buffer_referenced( struct pipe_context *pipe, struct pipe_buffer *buf) { return PIPE_UNREFERENCED; } struct pipe_context * llvmpipe_create( struct pipe_screen *screen ) { struct llvmpipe_context *llvmpipe; uint i; llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16); if (!llvmpipe) return NULL; util_init_math(); memset(llvmpipe, 0, sizeof *llvmpipe); llvmpipe->pipe.winsys = screen->winsys; llvmpipe->pipe.screen = screen; llvmpipe->pipe.destroy = llvmpipe_destroy; /* state setters */ llvmpipe->pipe.create_blend_state = llvmpipe_create_blend_state; llvmpipe->pipe.bind_blend_state = llvmpipe_bind_blend_state; llvmpipe->pipe.delete_blend_state = llvmpipe_delete_blend_state; llvmpipe->pipe.create_sampler_state = llvmpipe_create_sampler_state; llvmpipe->pipe.bind_fragment_sampler_states = llvmpipe_bind_sampler_states; llvmpipe->pipe.bind_vertex_sampler_states = llvmpipe_bind_vertex_sampler_states; llvmpipe->pipe.delete_sampler_state = llvmpipe_delete_sampler_state; llvmpipe->pipe.create_depth_stencil_alpha_state = llvmpipe_create_depth_stencil_state; llvmpipe->pipe.bind_depth_stencil_alpha_state = llvmpipe_bind_depth_stencil_state; llvmpipe->pipe.delete_depth_stencil_alpha_state = llvmpipe_delete_depth_stencil_state; llvmpipe->pipe.create_rasterizer_state = llvmpipe_create_rasterizer_state; llvmpipe->pipe.bind_rasterizer_state = llvmpipe_bind_rasterizer_state; llvmpipe->pipe.delete_rasterizer_state = llvmpipe_delete_rasterizer_state; llvmpipe->pipe.create_fs_state = llvmpipe_create_fs_state; llvmpipe->pipe.bind_fs_state = llvmpipe_bind_fs_state; llvmpipe->pipe.delete_fs_state = llvmpipe_delete_fs_state; llvmpipe->pipe.create_vs_state = llvmpipe_create_vs_state; llvmpipe->pipe.bind_vs_state = llvmpipe_bind_vs_state; llvmpipe->pipe.delete_vs_state = llvmpipe_delete_vs_state; llvmpipe->pipe.set_blend_color = llvmpipe_set_blend_color; llvmpipe->pipe.set_clip_state = llvmpipe_set_clip_state; llvmpipe->pipe.set_constant_buffer = llvmpipe_set_constant_buffer; llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state; llvmpipe->pipe.set_polygon_stipple = llvmpipe_set_polygon_stipple; llvmpipe->pipe.set_scissor_state = llvmpipe_set_scissor_state; llvmpipe->pipe.set_fragment_sampler_textures = llvmpipe_set_sampler_textures; llvmpipe->pipe.set_vertex_sampler_textures = llvmpipe_set_vertex_sampler_textures; llvmpipe->pipe.set_viewport_state = llvmpipe_set_viewport_state; llvmpipe->pipe.set_vertex_buffers = llvmpipe_set_vertex_buffers; llvmpipe->pipe.set_vertex_elements = llvmpipe_set_vertex_elements; llvmpipe->pipe.draw_arrays = llvmpipe_draw_arrays; llvmpipe->pipe.draw_elements = llvmpipe_draw_elements; llvmpipe->pipe.draw_range_elements = llvmpipe_draw_range_elements; llvmpipe->pipe.clear = llvmpipe_clear; llvmpipe->pipe.flush = llvmpipe_flush; llvmpipe->pipe.is_texture_referenced = llvmpipe_is_texture_referenced; llvmpipe->pipe.is_buffer_referenced = llvmpipe_is_buffer_referenced; llvmpipe_init_query_funcs( llvmpipe ); llvmpipe_init_texture_funcs( llvmpipe ); /* * Alloc caches for accessing drawing surfaces and textures. */ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) llvmpipe->cbuf_cache[i] = lp_create_tile_cache( screen ); for (i = 0; i < PIPE_MAX_SAMPLERS; i++) llvmpipe->tex_cache[i] = lp_create_tex_tile_cache( screen ); for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) llvmpipe->vertex_tex_cache[i] = lp_create_tex_tile_cache(screen); /* * Create drawing context and plug our rendering stage into it. */ llvmpipe->draw = draw_create(); if (!llvmpipe->draw) goto fail; /* FIXME: devise alternative to draw_texture_samplers */ if (debug_get_bool_option( "LP_NO_RAST", FALSE )) llvmpipe->no_rast = TRUE; llvmpipe->vbuf_backend = lp_create_vbuf_backend(llvmpipe); if (!llvmpipe->vbuf_backend) goto fail; llvmpipe->vbuf = draw_vbuf_stage(llvmpipe->draw, llvmpipe->vbuf_backend); if (!llvmpipe->vbuf) goto fail; draw_set_rasterize_stage(llvmpipe->draw, llvmpipe->vbuf); draw_set_render(llvmpipe->draw, llvmpipe->vbuf_backend); /* plug in AA line/point stages */ draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe); draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe); #if USE_DRAW_STAGE_PSTIPPLE /* Do polygon stipple w/ texture map + frag prog? */ draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe); #endif lp_init_surface_functions(llvmpipe); return &llvmpipe->pipe; fail: llvmpipe_destroy(&llvmpipe->pipe); return NULL; }