diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_context.c')
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_context.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c new file mode 100644 index 0000000000..8655aa83fd --- /dev/null +++ b/src/mesa/pipe/softpipe/sp_context.c @@ -0,0 +1,170 @@ +/************************************************************************** + * + * 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 <keith@tungstengraphics.com> + */ + +#include "main/imports.h" +#include "main/macros.h" +#include "pipe/draw/draw_context.h" +#include "pipe/p_defines.h" +#include "sp_context.h" +#include "sp_clear.h" +#include "sp_state.h" +#include "sp_surface.h" +#include "sp_prim_setup.h" + + +static void map_surfaces(struct softpipe_context *sp) +{ + GLuint i; + + for (i = 0; i < sp->framebuffer.num_cbufs; i++) { + struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.cbufs[i]); + struct pipe_buffer *buf = &sps->surface.buffer; + buf->map(buf, PIPE_MAP_READ_WRITE); + } + + if (sp->framebuffer.zbuf) { + struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.zbuf); + struct pipe_buffer *buf = &sps->surface.buffer; + buf->map(buf, PIPE_MAP_READ_WRITE); + } + + /* XXX depth & stencil bufs */ +} + + +static void unmap_surfaces(struct softpipe_context *sp) +{ + GLuint i; + + for (i = 0; i < sp->framebuffer.num_cbufs; i++) { + struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.cbufs[i]); + struct pipe_buffer *buf = &sps->surface.buffer; + buf->unmap(buf); + } + + if (sp->framebuffer.zbuf) { + struct softpipe_surface *sps = softpipe_surface(sp->framebuffer.zbuf); + struct pipe_buffer *buf = &sps->surface.buffer; + buf->unmap(buf); + } + /* 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_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 GLuint softpipe_get_occlusion_counter(struct pipe_context *pipe) +{ + struct softpipe_context *softpipe = softpipe_context( pipe ); + return softpipe->occlusion_counter; +} + + +struct pipe_context *softpipe_create( void ) +{ + struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context); + + softpipe->pipe.destroy = softpipe_destroy; + 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.clear = softpipe_clear; + softpipe->pipe.reset_occlusion_counter = softpipe_reset_occlusion_counter; + softpipe->pipe.get_occlusion_counter = softpipe_get_occlusion_counter; + + 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); + + /* + * Create drawing context and plug our rendering stage into it. + */ + softpipe->draw = draw_create(); + draw_set_setup_stage(softpipe->draw, sp_draw_render_stage(softpipe)); + + /* + * XXX we could plug GL selection/feedback into the drawing pipeline + * by specifying a different setup/render stage. + */ + + return &softpipe->pipe; +} |