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/**************************************************************************
*
* 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 "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_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.num_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.num_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.num_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_winsys *ws = pipe->winsys;
uint i;
if (softpipe->draw)
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.blend->destroy( softpipe->quad.blend );
softpipe->quad.colormask->destroy( softpipe->quad.colormask );
softpipe->quad.output->destroy( softpipe->quad.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(ws, &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;
#ifdef PIPE_ARCH_X86
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.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.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();
softpipe->zsbuf_cache = sp_create_tile_cache();
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.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();
if (!softpipe->draw)
goto fail;
softpipe->setup = sp_draw_render_stage(softpipe);
if (!softpipe->setup)
goto fail;
if (GETENV( "SP_NO_RAST" ) != NULL)
softpipe->no_rast = TRUE;
if (GETENV( "SP_NO_VBUF" ) != NULL) {
/* 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;
}
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