/************************************************************************** * * 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_util.h" #include "sp_clear.h" #include "sp_context.h" #include "sp_flush.h" #include "sp_prim_setup.h" #include "sp_region.h" #include "sp_state.h" #include "sp_surface.h" #include "sp_tex_layout.h" #include "sp_winsys.h" /** * Return list of supported surface/texture formats. * If we find texture and drawable support differs, add a selector * parameter or another function. */ static const unsigned * softpipe_supported_formats(struct pipe_context *pipe, unsigned *numFormats) { #if 0 static const unsigned supported[] = { PIPE_FORMAT_U_R8_G8_B8_A8, PIPE_FORMAT_U_A8_R8_G8_B8, PIPE_FORMAT_U_R5_G6_B5, PIPE_FORMAT_U_L8, PIPE_FORMAT_U_A8, PIPE_FORMAT_U_I8, PIPE_FORMAT_U_L8_A8, PIPE_FORMAT_S_R16_G16_B16_A16, PIPE_FORMAT_YCBCR, PIPE_FORMAT_YCBCR_REV, PIPE_FORMAT_U_Z16, PIPE_FORMAT_U_Z32, PIPE_FORMAT_F_Z32, PIPE_FORMAT_S8_Z24, PIPE_FORMAT_U_S8 }; *numFormats = sizeof(supported)/sizeof(supported[0]); return supported; #else struct softpipe_context *softpipe = softpipe_context( pipe ); return softpipe->winsys->supported_formats( softpipe->winsys, numFormats ); #endif } static void softpipe_max_texture_size(struct pipe_context *pipe, unsigned textureType, unsigned *maxWidth, unsigned *maxHeight, unsigned *maxDepth) { switch (textureType) { case PIPE_TEXTURE_1D: *maxWidth = 1 << (MAX_TEXTURE_LEVELS - 1); break; case PIPE_TEXTURE_2D: *maxWidth = *maxHeight = 1 << (MAX_TEXTURE_LEVELS - 1); break; case PIPE_TEXTURE_3D: *maxWidth = *maxHeight = *maxDepth = 1 << (MAX_3D_TEXTURE_LEVELS - 1); break; case PIPE_TEXTURE_CUBE: *maxWidth = *maxHeight = MAX_TEXTURE_RECT_SIZE; break; default: assert(0); } } static void map_surfaces(struct softpipe_context *sp) { struct pipe_context *pipe = &sp->pipe; unsigned i; for (i = 0; i < sp->framebuffer.num_cbufs; i++) { struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.cbufs[i]); if (sps->surface.region) pipe->region_map(pipe, sps->surface.region); } if (sp->framebuffer.zbuf) { struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.zbuf); if (sps->surface.region) pipe->region_map(pipe, sps->surface.region); } if (sp->framebuffer.sbuf) { struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.sbuf); if (sps->surface.region) pipe->region_map(pipe, sps->surface.region); } /* textures */ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { struct pipe_mipmap_tree *mt = sp->texture[i]; if (mt) { pipe->region_map(pipe, mt->region); } } /* XXX depth & stencil bufs */ } static void unmap_surfaces(struct softpipe_context *sp) { struct pipe_context *pipe = &sp->pipe; unsigned i; for (i = 0; i < sp->framebuffer.num_cbufs; i++) { struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.cbufs[i]); if (sps->surface.region) pipe->region_unmap(pipe, sps->surface.region); } if (sp->framebuffer.zbuf) { struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.zbuf); if (sps->surface.region) pipe->region_unmap(pipe, sps->surface.region); } if (sp->framebuffer.sbuf) { struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.sbuf); if (sps->surface.region) pipe->region_unmap(pipe, sps->surface.region); } /* textures */ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { struct pipe_mipmap_tree *mt = sp->texture[i]; if (mt) { pipe->region_unmap(pipe, mt->region); } } /* XXX depth & stencil bufs */ } static void softpipe_destroy( struct pipe_context *pipe ) { struct softpipe_context *softpipe = softpipe_context( pipe ); draw_destroy( softpipe->draw ); free( softpipe ); } static void softpipe_draw_vb( struct pipe_context *pipe, struct vertex_buffer *VB ) { struct softpipe_context *softpipe = softpipe_context( pipe ); if (softpipe->dirty) softpipe_update_derived( softpipe ); /* XXX move mapping/unmapping to higher/coarser level? */ map_surfaces(softpipe); draw_vb( softpipe->draw, VB ); unmap_surfaces(softpipe); } static void softpipe_draw_vertices(struct pipe_context *pipe, unsigned mode, unsigned numVertex, const float *verts, unsigned numAttribs, const unsigned attribs[]) { struct softpipe_context *softpipe = softpipe_context( pipe ); if (softpipe->dirty) softpipe_update_derived( softpipe ); /* XXX move mapping/unmapping to higher/coarser level? */ map_surfaces(softpipe); draw_vertices(softpipe->draw, mode, numVertex, verts, numAttribs, attribs); unmap_surfaces(softpipe); } static void softpipe_reset_occlusion_counter(struct pipe_context *pipe) { struct softpipe_context *softpipe = softpipe_context( pipe ); softpipe->occlusion_counter = 0; } /* XXX pipe param should be const */ static unsigned softpipe_get_occlusion_counter(struct pipe_context *pipe) { struct softpipe_context *softpipe = softpipe_context( pipe ); return softpipe->occlusion_counter; } 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."; } struct pipe_context *softpipe_create( struct pipe_winsys *pipe_winsys, struct softpipe_winsys *softpipe_winsys ) { struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context); softpipe->pipe.winsys = pipe_winsys; softpipe->pipe.destroy = softpipe_destroy; /* queries */ softpipe->pipe.supported_formats = softpipe_supported_formats; softpipe->pipe.max_texture_size = softpipe_max_texture_size; /* state setters */ softpipe->pipe.set_alpha_test_state = softpipe_set_alpha_test_state; softpipe->pipe.set_blend_color = softpipe_set_blend_color; softpipe->pipe.set_blend_state = softpipe_set_blend_state; softpipe->pipe.set_clip_state = softpipe_set_clip_state; softpipe->pipe.set_clear_color_state = softpipe_set_clear_color_state; softpipe->pipe.set_depth_state = softpipe_set_depth_test_state; softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state; softpipe->pipe.set_fs_state = softpipe_set_fs_state; softpipe->pipe.set_polygon_stipple = softpipe_set_polygon_stipple; softpipe->pipe.set_sampler_state = softpipe_set_sampler_state; softpipe->pipe.set_scissor_state = softpipe_set_scissor_state; softpipe->pipe.set_setup_state = softpipe_set_setup_state; softpipe->pipe.set_stencil_state = softpipe_set_stencil_state; softpipe->pipe.set_texture_state = softpipe_set_texture_state; softpipe->pipe.set_viewport_state = softpipe_set_viewport_state; softpipe->pipe.draw_vb = softpipe_draw_vb; softpipe->pipe.draw_vertices = softpipe_draw_vertices; softpipe->pipe.clear = softpipe_clear; softpipe->pipe.flush = softpipe_flush; softpipe->pipe.reset_occlusion_counter = softpipe_reset_occlusion_counter; softpipe->pipe.get_occlusion_counter = softpipe_get_occlusion_counter; softpipe->pipe.get_name = softpipe_get_name; softpipe->pipe.get_vendor = softpipe_get_vendor; /* textures */ softpipe->pipe.mipmap_tree_layout = softpipe_mipmap_tree_layout; softpipe->pipe.get_tex_surface = softpipe_get_tex_surface; /* setup quad rendering stages */ softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_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); draw_set_setup_stage(softpipe->draw, sp_draw_render_stage(softpipe)); sp_init_region_functions(softpipe); sp_init_surface_functions(softpipe); /* * XXX we could plug GL selection/feedback into the drawing pipeline * by specifying a different setup/render stage. */ return &softpipe->pipe; }