diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_context.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_context.c | 288 |
1 files changed, 288 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 00000000000..c2d882a8197 --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_context.c @@ -0,0 +1,288 @@ +/************************************************************************** + * + * 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 <[email protected]> + */ + +#include "draw/draw_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_inlines.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_setup.h" +#include "sp_prim_vbuf.h" +#include "sp_state.h" +#include "sp_surface.h" +#include "sp_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_surfaces(struct softpipe_context *sp) +{ + unsigned i; + + for (i = 0; i < sp->framebuffer.nr_cbufs; i++) { + sp_tile_cache_map_surfaces(sp->cbuf_cache[i]); + } + + sp_tile_cache_map_surfaces(sp->zsbuf_cache); +} + + +/** + * Unmap any mapped drawing surfaces + */ +void +softpipe_unmap_surfaces(struct softpipe_context *sp) +{ + uint i; + + for (i = 0; i < sp->framebuffer.nr_cbufs; i++) + sp_flush_tile_cache(sp, sp->cbuf_cache[i]); + sp_flush_tile_cache(sp, sp->zsbuf_cache); + + for (i = 0; i < sp->framebuffer.nr_cbufs; i++) { + sp_tile_cache_unmap_surfaces(sp->cbuf_cache[i]); + } + sp_tile_cache_unmap_surfaces(sp->zsbuf_cache); +} + + +static void softpipe_destroy( struct pipe_context *pipe ) +{ + struct softpipe_context *softpipe = softpipe_context( pipe ); + struct pipe_screen *screen = pipe->screen; + uint i; + + if (softpipe->draw) + draw_destroy( softpipe->draw ); + + for (i = 0; i < SP_NUM_QUAD_THREADS; i++) { + softpipe->quad[i].polygon_stipple->destroy( softpipe->quad[i].polygon_stipple ); + softpipe->quad[i].earlyz->destroy( softpipe->quad[i].earlyz ); + softpipe->quad[i].shade->destroy( softpipe->quad[i].shade ); + softpipe->quad[i].alpha_test->destroy( softpipe->quad[i].alpha_test ); + softpipe->quad[i].depth_test->destroy( softpipe->quad[i].depth_test ); + softpipe->quad[i].stencil_test->destroy( softpipe->quad[i].stencil_test ); + softpipe->quad[i].occlusion->destroy( softpipe->quad[i].occlusion ); + softpipe->quad[i].coverage->destroy( softpipe->quad[i].coverage ); + softpipe->quad[i].blend->destroy( softpipe->quad[i].blend ); + softpipe->quad[i].colormask->destroy( softpipe->quad[i].colormask ); + softpipe->quad[i].output->destroy( softpipe->quad[i].output ); + } + + for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) + sp_destroy_tile_cache(softpipe->cbuf_cache[i]); + sp_destroy_tile_cache(softpipe->zsbuf_cache); + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) + sp_destroy_tile_cache(softpipe->tex_cache[i]); + + for (i = 0; i < Elements(softpipe->constants); i++) { + if (softpipe->constants[i].buffer) { + pipe_buffer_reference(screen, &softpipe->constants[i].buffer, NULL); + } + } + + FREE( softpipe ); +} + + +struct pipe_context * +softpipe_create( struct pipe_screen *screen, + struct pipe_winsys *pipe_winsys, + void *unused ) +{ + 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->pipe.winsys = pipe_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_sampler_states = softpipe_bind_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.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_sampler_textures = softpipe_set_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.set_edgeflags = softpipe_set_edgeflags; + + + softpipe->pipe.clear = softpipe_clear; + softpipe->pipe.flush = softpipe_flush; + + softpipe_init_query_funcs( softpipe ); + softpipe_init_texture_funcs( softpipe ); + + /* + * 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_tile_cache( screen ); + + + /* setup quad rendering stages */ + for (i = 0; i < SP_NUM_QUAD_THREADS; i++) { + softpipe->quad[i].polygon_stipple = sp_quad_polygon_stipple_stage(softpipe); + softpipe->quad[i].earlyz = sp_quad_earlyz_stage(softpipe); + softpipe->quad[i].shade = sp_quad_shade_stage(softpipe); + softpipe->quad[i].alpha_test = sp_quad_alpha_test_stage(softpipe); + softpipe->quad[i].depth_test = sp_quad_depth_test_stage(softpipe); + softpipe->quad[i].stencil_test = sp_quad_stencil_test_stage(softpipe); + softpipe->quad[i].occlusion = sp_quad_occlusion_stage(softpipe); + softpipe->quad[i].coverage = sp_quad_coverage_stage(softpipe); + softpipe->quad[i].blend = sp_quad_blend_stage(softpipe); + softpipe->quad[i].colormask = sp_quad_colormask_stage(softpipe); + softpipe->quad[i].output = sp_quad_output_stage(softpipe); + } + + /* vertex shader samplers */ + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + softpipe->tgsi.vert_samplers[i].base.get_samples = sp_get_samples_vertex; + softpipe->tgsi.vert_samplers[i].unit = i; + softpipe->tgsi.vert_samplers[i].sp = softpipe; + softpipe->tgsi.vert_samplers[i].cache = softpipe->tex_cache[i]; + softpipe->tgsi.vert_samplers_list[i] = &softpipe->tgsi.vert_samplers[i]; + } + + /* fragment shader samplers */ + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + softpipe->tgsi.frag_samplers[i].base.get_samples = sp_get_samples_fragment; + softpipe->tgsi.frag_samplers[i].unit = i; + softpipe->tgsi.frag_samplers[i].sp = softpipe; + softpipe->tgsi.frag_samplers[i].cache = softpipe->tex_cache[i]; + softpipe->tgsi.frag_samplers_list[i] = &softpipe->tgsi.frag_samplers[i]; + } + + /* + * 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_SAMPLERS, + (struct tgsi_sampler **) + softpipe->tgsi.vert_samplers_list); + + softpipe->setup = sp_draw_render_stage(softpipe); + if (!softpipe->setup) + goto fail; + + if (debug_get_bool_option( "SP_NO_RAST", FALSE )) + softpipe->no_rast = TRUE; + + if (debug_get_bool_option( "SP_NO_VBUF", FALSE )) { + /* Deprecated path -- vbuf is the intended interface to the draw module: + */ + draw_set_rasterize_stage(softpipe->draw, softpipe->setup); + } + else { + sp_init_vbuf(softpipe); + } + + /* plug in AA line/point stages */ + draw_install_aaline_stage(softpipe->draw, &softpipe->pipe); + draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe); + +#if USE_DRAW_STAGE_PSTIPPLE + /* Do polygon stipple w/ texture map + frag prog? */ + draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe); +#endif + + sp_init_surface_functions(softpipe); + + return &softpipe->pipe; + + fail: + softpipe_destroy(&softpipe->pipe); + return NULL; +} + |