/************************************************************************** * * 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. * **************************************************************************/ /* Author: * Keith Whitwell */ #include "pipe/draw/draw_context.h" #include "pipe/p_defines.h" #include "pipe/p_inlines.h" #include "pipe/p_util.h" #include "sp_clear.h" #include "sp_context.h" #include "sp_flush.h" #include "sp_prim_setup.h" #include "sp_state.h" #include "sp_surface.h" #include "sp_tile_cache.h" #include "sp_texture.h" #include "sp_winsys.h" /** * Query format support for creating a texture, drawing surface, etc. * \param format the format to test * \param type one of PIPE_TEXTURE, PIPE_SURFACE, PIPE_SCREEN_SURFACE */ static boolean softpipe_is_format_supported( struct pipe_context *pipe, enum pipe_format format, uint type ) { struct softpipe_context *softpipe = softpipe_context( pipe ); switch (type) { case PIPE_TEXTURE: /* softpipe supports all texture formats */ return TRUE; case PIPE_SURFACE: /* softpipe supports all (off-screen) surface formats */ return TRUE; case PIPE_SCREEN_SURFACE: return softpipe->winsys->is_format_supported( softpipe->winsys, format ); default: assert(0); return FALSE; } } /** * Map any drawing surfaces which aren't already mapped */ void softpipe_map_surfaces(struct softpipe_context *sp) { struct pipe_surface *ps; unsigned i; for (i = 0; i < sp->framebuffer.num_cbufs; i++) { ps = sp->framebuffer.cbufs[i]; if (ps->buffer) pipe_surface_map(ps); } ps = sp->framebuffer.zbuf; if (ps && ps->buffer) pipe_surface_map(ps); ps = sp->framebuffer.sbuf; if (ps && ps->buffer) pipe_surface_map(ps); } /** * Unmap any mapped drawing surfaces */ void softpipe_unmap_surfaces(struct softpipe_context *sp) { struct pipe_surface *ps; uint i; for (i = 0; i < sp->framebuffer.num_cbufs; i++) sp_flush_tile_cache(sp, sp->cbuf_cache[i]); sp_flush_tile_cache(sp, sp->zbuf_cache); sp_flush_tile_cache(sp, sp->sbuf_cache); for (i = 0; i < sp->framebuffer.num_cbufs; i++) { ps = sp->framebuffer.cbufs[i]; if (ps->map) pipe_surface_unmap(ps); } ps = sp->framebuffer.zbuf; if (ps && ps->map) pipe_surface_unmap(ps); ps = sp->framebuffer.sbuf; if (ps && ps->map) pipe_surface_unmap(ps); } static void softpipe_destroy( struct pipe_context *pipe ) { struct softpipe_context *softpipe = softpipe_context( pipe ); draw_destroy( softpipe->draw ); softpipe->quad.polygon_stipple->destroy( softpipe->quad.polygon_stipple ); softpipe->quad.earlyz->destroy( softpipe->quad.earlyz ); softpipe->quad.shade->destroy( softpipe->quad.shade ); softpipe->quad.alpha_test->destroy( softpipe->quad.alpha_test ); softpipe->quad.depth_test->destroy( softpipe->quad.depth_test ); softpipe->quad.stencil_test->destroy( softpipe->quad.stencil_test ); softpipe->quad.occlusion->destroy( softpipe->quad.occlusion ); softpipe->quad.coverage->destroy( softpipe->quad.coverage ); softpipe->quad.bufloop->destroy( softpipe->quad.bufloop ); softpipe->quad.blend->destroy( softpipe->quad.blend ); softpipe->quad.colormask->destroy( softpipe->quad.colormask ); softpipe->quad.output->destroy( softpipe->quad.output ); FREE( softpipe ); } static void softpipe_begin_query(struct pipe_context *pipe, struct pipe_query_object *q) { struct softpipe_context *softpipe = softpipe_context( pipe ); assert(q->type < PIPE_QUERY_TYPES); assert(!softpipe->queries[q->type]); softpipe->queries[q->type] = q; } static void softpipe_end_query(struct pipe_context *pipe, struct pipe_query_object *q) { struct softpipe_context *softpipe = softpipe_context( pipe ); assert(q->type < PIPE_QUERY_TYPES); assert(softpipe->queries[q->type]); q->ready = 1; /* software rendering is synchronous */ softpipe->queries[q->type] = NULL; } static void softpipe_wait_query(struct pipe_context *pipe, struct pipe_query_object *q) { /* Should never get here since we indicated that the result was * ready in softpipe_end_query(). */ assert(0); } static const char *softpipe_get_name( struct pipe_context *pipe ) { return "softpipe"; } static const char *softpipe_get_vendor( struct pipe_context *pipe ) { return "Tungsten Graphics, Inc."; } static int softpipe_get_param(struct pipe_context *pipe, int param) { switch (param) { case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: return 8; case PIPE_CAP_NPOT_TEXTURES: return 1; case PIPE_CAP_TWO_SIDED_STENCIL: return 1; case PIPE_CAP_GLSL: return 1; case PIPE_CAP_S3TC: return 0; case PIPE_CAP_ANISOTROPIC_FILTER: return 0; case PIPE_CAP_POINT_SPRITE: return 1; case PIPE_CAP_MAX_RENDER_TARGETS: return 1; case PIPE_CAP_OCCLUSION_QUERY: return 1; case PIPE_CAP_TEXTURE_SHADOW_MAP: return 1; case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: return 12; /* max 2Kx2K */ case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: return 8; /* max 128x128x128 */ case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: return 12; /* max 2Kx2K */ default: return 0; } } static float softpipe_get_paramf(struct pipe_context *pipe, int param) { switch (param) { case PIPE_CAP_MAX_LINE_WIDTH: /* fall-through */ case PIPE_CAP_MAX_LINE_WIDTH_AA: return 255.0; /* arbitrary */ case PIPE_CAP_MAX_POINT_WIDTH: /* fall-through */ case PIPE_CAP_MAX_POINT_WIDTH_AA: return 255.0; /* arbitrary */ case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: return 0.0; case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: return 16.0; /* arbitrary */ default: return 0; } } struct pipe_context *softpipe_create( struct pipe_winsys *pipe_winsys, struct softpipe_winsys *softpipe_winsys ) { struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context); uint i; #if defined(__i386__) || defined(__386__) softpipe->use_sse = GETENV( "GALLIUM_NOSSE" ) == NULL; #else softpipe->use_sse = FALSE; #endif softpipe->dump_fs = GETENV( "GALLIUM_DUMP_FS" ) != NULL; softpipe->pipe.winsys = pipe_winsys; softpipe->pipe.destroy = softpipe_destroy; /* queries */ softpipe->pipe.is_format_supported = softpipe_is_format_supported; softpipe->pipe.get_name = softpipe_get_name; softpipe->pipe.get_vendor = softpipe_get_vendor; softpipe->pipe.get_param = softpipe_get_param; softpipe->pipe.get_paramf = softpipe_get_paramf; /* state setters */ softpipe->pipe.create_alpha_test_state = softpipe_create_alpha_test_state; softpipe->pipe.bind_alpha_test_state = softpipe_bind_alpha_test_state; softpipe->pipe.delete_alpha_test_state = softpipe_delete_alpha_test_state; 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_state = softpipe_bind_sampler_state; softpipe->pipe.delete_sampler_state = softpipe_delete_sampler_state; softpipe->pipe.create_depth_stencil_state = softpipe_create_depth_stencil_state; softpipe->pipe.bind_depth_stencil_state = softpipe_bind_depth_stencil_state; softpipe->pipe.delete_depth_stencil_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_clear_color_state = softpipe_set_clear_color_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_sampler_units = softpipe_set_sampler_units; softpipe->pipe.set_scissor_state = softpipe_set_scissor_state; softpipe->pipe.set_texture_state = softpipe_set_texture_state; softpipe->pipe.set_viewport_state = softpipe_set_viewport_state; softpipe->pipe.set_vertex_buffer = softpipe_set_vertex_buffer; softpipe->pipe.set_vertex_element = softpipe_set_vertex_element; softpipe->pipe.draw_arrays = softpipe_draw_arrays; softpipe->pipe.draw_elements = softpipe_draw_elements; softpipe->pipe.clear = softpipe_clear; softpipe->pipe.flush = softpipe_flush; softpipe->pipe.begin_query = softpipe_begin_query; softpipe->pipe.end_query = softpipe_end_query; softpipe->pipe.wait_query = softpipe_wait_query; /* textures */ softpipe->pipe.texture_create = softpipe_texture_create; softpipe->pipe.texture_release = softpipe_texture_release; softpipe->pipe.get_tex_surface = softpipe_get_tex_surface; /* * 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->zbuf_cache = sp_create_tile_cache(); softpipe->sbuf_cache_sep = sp_create_tile_cache(); softpipe->sbuf_cache = softpipe->sbuf_cache_sep; /* initial value */ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) softpipe->tex_cache[i] = sp_create_tile_cache(); /* setup quad rendering stages */ softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe); softpipe->quad.earlyz = sp_quad_earlyz_stage(softpipe); softpipe->quad.shade = sp_quad_shade_stage(softpipe); softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe); softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe); softpipe->quad.stencil_test = sp_quad_stencil_test_stage(softpipe); softpipe->quad.occlusion = sp_quad_occlusion_stage(softpipe); softpipe->quad.coverage = sp_quad_coverage_stage(softpipe); softpipe->quad.bufloop = sp_quad_bufloop_stage(softpipe); softpipe->quad.blend = sp_quad_blend_stage(softpipe); softpipe->quad.colormask = sp_quad_colormask_stage(softpipe); softpipe->quad.output = sp_quad_output_stage(softpipe); softpipe->winsys = softpipe_winsys; /* * Create drawing context and plug our rendering stage into it. */ softpipe->draw = draw_create(); assert(softpipe->draw); softpipe->setup = sp_draw_render_stage(softpipe); if (GETENV( "SP_VBUF" ) != NULL) { softpipe->vbuf = sp_draw_vbuf_stage(softpipe->draw, &softpipe->pipe, sp_vbuf_setup_draw); draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf); } else { draw_set_rasterize_stage(softpipe->draw, softpipe->setup); } sp_init_surface_functions(softpipe); return &softpipe->pipe; }