diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_context.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_context.c | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c new file mode 100644 index 0000000000..12ef98aac7 --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_context.c @@ -0,0 +1,381 @@ +/************************************************************************** + * + * 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 "util/u_inlines.h" +#include "tgsi/tgsi_exec.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_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 ); + softpipe->quad.pstipple->destroy( softpipe->quad.pstipple ); + + 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_sampler_view_reference(&softpipe->sampler_views[i], NULL); + } + + for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) { + sp_destroy_tex_tile_cache(softpipe->vertex_tex_cache[i]); + pipe_sampler_view_reference(&softpipe->vertex_sampler_views[i], NULL); + } + + for (i = 0; i < PIPE_MAX_GEOMETRY_SAMPLERS; i++) { + sp_destroy_tex_tile_cache(softpipe->geometry_tex_cache[i]); + pipe_sampler_view_reference(&softpipe->geometry_sampler_views[i], NULL); + } + + for (i = 0; i < PIPE_SHADER_TYPES; i++) { + uint j; + + for (j = 0; j < PIPE_MAX_CONSTANT_BUFFERS; j++) { + if (softpipe->constants[i][j]) { + pipe_resource_reference(&softpipe->constants[i][j], NULL); + } + } + } + + tgsi_exec_machine_destroy(softpipe->fs_machine); + + 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_resource_referenced( struct pipe_context *pipe, + struct pipe_resource *texture, + unsigned face, unsigned level) +{ + struct softpipe_context *softpipe = softpipe_context( pipe ); + unsigned i; + + if (texture->target == PIPE_BUFFER) + return PIPE_UNREFERENCED; + + /* 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; + } + for (i = 0; i < PIPE_MAX_GEOMETRY_SAMPLERS; i++) { + if (softpipe->geometry_tex_cache[i] && + softpipe->geometry_tex_cache[i]->texture == texture) + return PIPE_REFERENCED_FOR_READ; + } + + 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_context( struct pipe_screen *screen, + void *priv ) +{ + 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 = NULL; + softpipe->pipe.screen = screen; + softpipe->pipe.destroy = softpipe_destroy; + softpipe->pipe.priv = priv; + + /* 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.bind_geometry_sampler_states = softpipe_bind_geometry_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.create_vertex_elements_state = softpipe_create_vertex_elements_state; + softpipe->pipe.bind_vertex_elements_state = softpipe_bind_vertex_elements_state; + softpipe->pipe.delete_vertex_elements_state = softpipe_delete_vertex_elements_state; + + softpipe->pipe.create_stream_output_state = softpipe_create_stream_output_state; + softpipe->pipe.bind_stream_output_state = softpipe_bind_stream_output_state; + softpipe->pipe.delete_stream_output_state = softpipe_delete_stream_output_state; + + softpipe->pipe.set_blend_color = softpipe_set_blend_color; + softpipe->pipe.set_stencil_ref = softpipe_set_stencil_ref; + softpipe->pipe.set_clip_state = softpipe_set_clip_state; + softpipe->pipe.set_sample_mask = softpipe_set_sample_mask; + 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_views = softpipe_set_sampler_views; + softpipe->pipe.set_vertex_sampler_views = softpipe_set_vertex_sampler_views; + softpipe->pipe.set_geometry_sampler_views = softpipe_set_geometry_sampler_views; + softpipe->pipe.create_sampler_view = softpipe_create_sampler_view; + softpipe->pipe.sampler_view_destroy = softpipe_sampler_view_destroy; + softpipe->pipe.set_viewport_state = softpipe_set_viewport_state; + softpipe->pipe.set_stream_output_buffers = softpipe_set_stream_output_buffers; + softpipe->pipe.set_vertex_buffers = softpipe_set_vertex_buffers; + + 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.draw_stream_output = softpipe_draw_stream_output; + + softpipe->pipe.clear = softpipe_clear; + softpipe->pipe.flush = softpipe_flush; + + softpipe->pipe.is_resource_referenced = softpipe_is_resource_referenced; + + softpipe_init_query_funcs( softpipe ); + softpipe_init_texture_funcs( &softpipe->pipe ); + + 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( &softpipe->pipe ); + softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe ); + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) + softpipe->tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe ); + for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) { + softpipe->vertex_tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe ); + } + for (i = 0; i < PIPE_MAX_GEOMETRY_SAMPLERS; i++) { + softpipe->geometry_tex_cache[i] = sp_create_tex_tile_cache( &softpipe->pipe ); + } + + softpipe->fs_machine = tgsi_exec_machine_create(); + + /* 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); + softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe); + + + /* + * Create drawing context and plug our rendering stage into it. + */ + softpipe->draw = draw_create(&softpipe->pipe); + if (!softpipe->draw) + goto fail; + + draw_texture_samplers(softpipe->draw, + PIPE_SHADER_VERTEX, + PIPE_MAX_VERTEX_SAMPLERS, + (struct tgsi_sampler **) + softpipe->tgsi.vert_samplers_list); + + draw_texture_samplers(softpipe->draw, + PIPE_SHADER_GEOMETRY, + PIPE_MAX_GEOMETRY_SAMPLERS, + (struct tgsi_sampler **) + softpipe->tgsi.geom_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? */ +#if DO_PSTIPPLE_IN_DRAW_MODULE + draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe); +#endif + + draw_wide_point_sprites(softpipe->draw, TRUE); + + sp_init_surface_functions(softpipe); + + return &softpipe->pipe; + + fail: + softpipe_destroy(&softpipe->pipe); + return NULL; +} |