| /************************************************************************** |
| * |
| * 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 <keith@tungstengraphics.com> |
| */ |
| |
| #include "draw/draw_context.h" |
| #include "draw/draw_vbuf.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_math.h" |
| #include "util/u_memory.h" |
| #include "sp_clear.h" |
| #include "sp_context.h" |
| #include "sp_flush.h" |
| #include "sp_prim_vbuf.h" |
| #include "sp_state.h" |
| #include "sp_surface.h" |
| #include "sp_tile_cache.h" |
| #include "sp_tex_tile_cache.h" |
| #include "sp_texture.h" |
| #include "sp_winsys.h" |
| #include "sp_query.h" |
| |
| |
| |
| /** |
| * Map any drawing surfaces which aren't already mapped |
| */ |
| void |
| softpipe_map_transfers(struct softpipe_context *sp) |
| { |
| unsigned i; |
| |
| for (i = 0; i < sp->framebuffer.nr_cbufs; i++) { |
| sp_tile_cache_map_transfers(sp->cbuf_cache[i]); |
| } |
| |
| sp_tile_cache_map_transfers(sp->zsbuf_cache); |
| } |
| |
| |
| /** |
| * Unmap any mapped drawing surfaces |
| */ |
| void |
| softpipe_unmap_transfers(struct softpipe_context *sp) |
| { |
| uint i; |
| |
| for (i = 0; i < sp->framebuffer.nr_cbufs; i++) { |
| sp_tile_cache_unmap_transfers(sp->cbuf_cache[i]); |
| } |
| |
| sp_tile_cache_unmap_transfers(sp->zsbuf_cache); |
| } |
| |
| |
| static void |
| softpipe_destroy( struct pipe_context *pipe ) |
| { |
| struct softpipe_context *softpipe = softpipe_context( pipe ); |
| uint i; |
| |
| if (softpipe->draw) |
| draw_destroy( softpipe->draw ); |
| |
| softpipe->quad.shade->destroy( softpipe->quad.shade ); |
| softpipe->quad.depth_test->destroy( softpipe->quad.depth_test ); |
| softpipe->quad.blend->destroy( softpipe->quad.blend ); |
| |
| for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { |
| sp_destroy_tile_cache(softpipe->cbuf_cache[i]); |
| pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL); |
| } |
| |
| sp_destroy_tile_cache(softpipe->zsbuf_cache); |
| pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL); |
| |
| for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { |
| sp_destroy_tex_tile_cache(softpipe->tex_cache[i]); |
| pipe_texture_reference(&softpipe->texture[i], NULL); |
| } |
| |
| for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) { |
| sp_destroy_tex_tile_cache(softpipe->vertex_tex_cache[i]); |
| pipe_texture_reference(&softpipe->vertex_textures[i], NULL); |
| } |
| |
| for (i = 0; i < Elements(softpipe->constants); i++) { |
| if (softpipe->constants[i]) { |
| pipe_buffer_reference(&softpipe->constants[i], NULL); |
| } |
| } |
| |
| FREE( softpipe ); |
| } |
| |
| |
| /** |
| * if (the texture is being used as a framebuffer surface) |
| * return PIPE_REFERENCED_FOR_WRITE |
| * else if (the texture is a bound texture source) |
| * return PIPE_REFERENCED_FOR_READ |
| * else |
| * return PIPE_UNREFERENCED |
| */ |
| static unsigned int |
| softpipe_is_texture_referenced( struct pipe_context *pipe, |
| struct pipe_texture *texture, |
| unsigned face, unsigned level) |
| { |
| struct softpipe_context *softpipe = softpipe_context( pipe ); |
| unsigned i; |
| |
| /* check if any of the bound drawing surfaces are this texture */ |
| if (softpipe->dirty_render_cache) { |
| for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) { |
| if (softpipe->framebuffer.cbufs[i] && |
| softpipe->framebuffer.cbufs[i]->texture == texture) { |
| return PIPE_REFERENCED_FOR_WRITE; |
| } |
| } |
| if (softpipe->framebuffer.zsbuf && |
| softpipe->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 (softpipe->tex_cache[i] && |
| softpipe->tex_cache[i]->texture == texture) |
| return PIPE_REFERENCED_FOR_READ; |
| } |
| for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) { |
| if (softpipe->vertex_tex_cache[i] && |
| softpipe->vertex_tex_cache[i]->texture == texture) |
| return PIPE_REFERENCED_FOR_READ; |
| } |
| |
| return PIPE_UNREFERENCED; |
| } |
| |
| |
| static unsigned int |
| softpipe_is_buffer_referenced( struct pipe_context *pipe, |
| struct pipe_buffer *buf) |
| { |
| return PIPE_UNREFERENCED; |
| } |
| |
| |
| static void |
| softpipe_render_condition( struct pipe_context *pipe, |
| struct pipe_query *query, |
| uint mode ) |
| { |
| struct softpipe_context *softpipe = softpipe_context( pipe ); |
| |
| softpipe->render_cond_query = query; |
| softpipe->render_cond_mode = mode; |
| } |
| |
| |
| |
| struct pipe_context * |
| softpipe_create( struct pipe_screen *screen ) |
| { |
| struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context); |
| uint i; |
| |
| util_init_math(); |
| |
| #ifdef PIPE_ARCH_X86 |
| softpipe->use_sse = !debug_get_bool_option( "GALLIUM_NOSSE", FALSE ); |
| #else |
| softpipe->use_sse = FALSE; |
| #endif |
| |
| softpipe->dump_fs = debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE ); |
| softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE ); |
| |
| softpipe->pipe.winsys = screen->winsys; |
| softpipe->pipe.screen = screen; |
| softpipe->pipe.destroy = softpipe_destroy; |
| |
| /* state setters */ |
| softpipe->pipe.create_blend_state = softpipe_create_blend_state; |
| softpipe->pipe.bind_blend_state = softpipe_bind_blend_state; |
| softpipe->pipe.delete_blend_state = softpipe_delete_blend_state; |
| |
| softpipe->pipe.create_sampler_state = softpipe_create_sampler_state; |
| softpipe->pipe.bind_fragment_sampler_states = softpipe_bind_sampler_states; |
| softpipe->pipe.bind_vertex_sampler_states = softpipe_bind_vertex_sampler_states; |
| softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state; |
| |
| softpipe->pipe.create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state; |
| softpipe->pipe.bind_depth_stencil_alpha_state = softpipe_bind_depth_stencil_state; |
| softpipe->pipe.delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state; |
| |
| softpipe->pipe.create_rasterizer_state = softpipe_create_rasterizer_state; |
| softpipe->pipe.bind_rasterizer_state = softpipe_bind_rasterizer_state; |
| softpipe->pipe.delete_rasterizer_state = softpipe_delete_rasterizer_state; |
| |
| softpipe->pipe.create_fs_state = softpipe_create_fs_state; |
| softpipe->pipe.bind_fs_state = softpipe_bind_fs_state; |
| softpipe->pipe.delete_fs_state = softpipe_delete_fs_state; |
| |
| softpipe->pipe.create_vs_state = softpipe_create_vs_state; |
| softpipe->pipe.bind_vs_state = softpipe_bind_vs_state; |
| softpipe->pipe.delete_vs_state = softpipe_delete_vs_state; |
| |
| softpipe->pipe.create_gs_state = softpipe_create_gs_state; |
| softpipe->pipe.bind_gs_state = softpipe_bind_gs_state; |
| softpipe->pipe.delete_gs_state = softpipe_delete_gs_state; |
| |
| softpipe->pipe.set_blend_color = softpipe_set_blend_color; |
| softpipe->pipe.set_clip_state = softpipe_set_clip_state; |
| softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer; |
| softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state; |
| softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple; |
| softpipe->pipe.set_scissor_state = softpipe_set_scissor_state; |
| softpipe->pipe.set_fragment_sampler_textures = softpipe_set_sampler_textures; |
| softpipe->pipe.set_vertex_sampler_textures = softpipe_set_vertex_sampler_textures; |
| softpipe->pipe.set_viewport_state = softpipe_set_viewport_state; |
| |
| softpipe->pipe.set_vertex_buffers = softpipe_set_vertex_buffers; |
| softpipe->pipe.set_vertex_elements = softpipe_set_vertex_elements; |
| |
| softpipe->pipe.draw_arrays = softpipe_draw_arrays; |
| softpipe->pipe.draw_elements = softpipe_draw_elements; |
| softpipe->pipe.draw_range_elements = softpipe_draw_range_elements; |
| softpipe->pipe.draw_arrays_instanced = softpipe_draw_arrays_instanced; |
| softpipe->pipe.draw_elements_instanced = softpipe_draw_elements_instanced; |
| |
| softpipe->pipe.clear = softpipe_clear; |
| softpipe->pipe.flush = softpipe_flush; |
| |
| softpipe->pipe.is_texture_referenced = softpipe_is_texture_referenced; |
| softpipe->pipe.is_buffer_referenced = softpipe_is_buffer_referenced; |
| |
| softpipe_init_query_funcs( softpipe ); |
| |
| softpipe->pipe.render_condition = softpipe_render_condition; |
| |
| /* |
| * Alloc caches for accessing drawing surfaces and textures. |
| * Must be before quad stage setup! |
| */ |
| for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) |
| softpipe->cbuf_cache[i] = sp_create_tile_cache( screen ); |
| softpipe->zsbuf_cache = sp_create_tile_cache( screen ); |
| |
| for (i = 0; i < PIPE_MAX_SAMPLERS; i++) |
| softpipe->tex_cache[i] = sp_create_tex_tile_cache( screen ); |
| for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) { |
| softpipe->vertex_tex_cache[i] = sp_create_tex_tile_cache(screen); |
| } |
| |
| /* setup quad rendering stages */ |
| softpipe->quad.shade = sp_quad_shade_stage(softpipe); |
| softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe); |
| softpipe->quad.blend = sp_quad_blend_stage(softpipe); |
| |
| |
| /* |
| * Create drawing context and plug our rendering stage into it. |
| */ |
| softpipe->draw = draw_create(); |
| if (!softpipe->draw) |
| goto fail; |
| |
| draw_texture_samplers(softpipe->draw, |
| PIPE_MAX_VERTEX_SAMPLERS, |
| (struct tgsi_sampler **) |
| softpipe->tgsi.vert_samplers_list); |
| |
| if (debug_get_bool_option( "SP_NO_RAST", FALSE )) |
| softpipe->no_rast = TRUE; |
| |
| softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe); |
| if (!softpipe->vbuf_backend) |
| goto fail; |
| |
| softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend); |
| if (!softpipe->vbuf) |
| goto fail; |
| |
| draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf); |
| draw_set_render(softpipe->draw, softpipe->vbuf_backend); |
| |
| |
| /* plug in AA line/point stages */ |
| draw_install_aaline_stage(softpipe->draw, &softpipe->pipe); |
| draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe); |
| |
| /* Do polygon stipple w/ texture map + frag prog? */ |
| draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe); |
| |
| sp_init_surface_functions(softpipe); |
| |
| return &softpipe->pipe; |
| |
| fail: |
| softpipe_destroy(&softpipe->pipe); |
| return NULL; |
| } |