Files
third_party_mesa3d/src/gallium/drivers/softpipe/sp_context.c
Keith Whitwell a2f7ab1d15 softpipe: move all color-combine code into sp_quad_blend.c
Consolidate the read-modify-write color combining code from
the blend, colormask and output stages.
2009-07-24 20:19:18 +01:00

303 lines
10 KiB
C

/**************************************************************************
*
* 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 <keith@tungstengraphics.com>
*/
#include "draw/draw_context.h"
#include "pipe/p_defines.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_transfers(struct softpipe_context *sp)
{
unsigned i;
for (i = 0; i < sp->framebuffer.nr_cbufs; i++) {
sp_tile_cache_map_transfers(sp->cbuf_cache[i]);
}
sp_tile_cache_map_transfers(sp->zsbuf_cache);
}
/**
* Unmap any mapped drawing surfaces
*/
void
softpipe_unmap_transfers(struct softpipe_context *sp)
{
uint i;
for (i = 0; i < sp->framebuffer.nr_cbufs; i++) {
sp_tile_cache_unmap_transfers(sp->cbuf_cache[i]);
}
sp_tile_cache_unmap_transfers(sp->zsbuf_cache);
}
static void softpipe_destroy( struct pipe_context *pipe )
{
struct softpipe_context *softpipe = softpipe_context( pipe );
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 );
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(&softpipe->constants[i].buffer, NULL);
}
}
FREE( softpipe );
}
static unsigned int
softpipe_is_texture_referenced( struct pipe_context *pipe,
struct pipe_texture *texture,
unsigned face, unsigned level)
{
struct softpipe_context *softpipe = softpipe_context( pipe );
unsigned i;
if(softpipe->dirty_render_cache) {
for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
if(softpipe->framebuffer.cbufs[i] &&
softpipe->framebuffer.cbufs[i]->texture == texture)
return PIPE_REFERENCED_FOR_WRITE;
}
if(softpipe->framebuffer.zsbuf &&
softpipe->framebuffer.zsbuf->texture == texture)
return PIPE_REFERENCED_FOR_WRITE;
}
/* FIXME: we also need to do the same for the texture cache */
return PIPE_UNREFERENCED;
}
static unsigned int
softpipe_is_buffer_referenced( struct pipe_context *pipe,
struct pipe_buffer *buf)
{
return PIPE_UNREFERENCED;
}
struct pipe_context *
softpipe_create( struct pipe_screen *screen )
{
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 = screen->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->pipe.is_texture_referenced = softpipe_is_texture_referenced;
softpipe->pipe.is_buffer_referenced = softpipe_is_buffer_referenced;
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 */
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);
/* 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].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].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;
}