/**************************************************************************
*
* 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 "draw/draw_vbuf.h"
#include "pipe/p_defines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_pstipple.h"
#include "util/u_inlines.h"
#include "tgsi/tgsi_exec.h"
#include "vl/vl_decoder.h"
#include "vl/vl_video_buffer.h"
#include "sp_clear.h"
#include "sp_context.h"
#include "sp_flush.h"
#include "sp_prim_vbuf.h"
#include "sp_state.h"
#include "sp_surface.h"
#include "sp_tile_cache.h"
#include "sp_tex_tile_cache.h"
#include "sp_texture.h"
#include "sp_query.h"
#include "sp_screen.h"
#include "sp_tex_sample.h"
static void
softpipe_destroy( struct pipe_context *pipe )
{
struct softpipe_context *softpipe = softpipe_context( pipe );
uint i, sh;
#if DO_PSTIPPLE_IN_HELPER_MODULE
if (softpipe->pstipple.sampler)
pipe->delete_sampler_state(pipe, softpipe->pstipple.sampler);
pipe_resource_reference(&softpipe->pstipple.texture, NULL);
pipe_sampler_view_reference(&softpipe->pstipple.sampler_view, NULL);
#endif
if (softpipe->blitter) {
util_blitter_destroy(softpipe->blitter);
}
if (softpipe->draw)
draw_destroy( softpipe->draw );
if (softpipe->quad.shade)
softpipe->quad.shade->destroy( softpipe->quad.shade );
if (softpipe->quad.depth_test)
softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
if (softpipe->quad.blend)
softpipe->quad.blend->destroy( softpipe->quad.blend );
if (softpipe->quad.pstipple)
softpipe->quad.pstipple->destroy( softpipe->quad.pstipple );
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL);
}
sp_destroy_tile_cache(softpipe->zsbuf_cache);
pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL);
for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) {
sp_destroy_tex_tile_cache(softpipe->tex_cache[sh][i]);
pipe_sampler_view_reference(&softpipe->sampler_views[sh][i], NULL);
}
}
for (sh = 0; sh < Elements(softpipe->constants); sh++) {
for (i = 0; i < Elements(softpipe->constants[0]); i++) {
if (softpipe->constants[sh][i]) {
pipe_resource_reference(&softpipe->constants[sh][i], NULL);
}
}
}
for (i = 0; i < softpipe->num_vertex_buffers; i++) {
pipe_resource_reference(&softpipe->vertex_buffer[i].buffer, NULL);
}
tgsi_exec_machine_destroy(softpipe->fs_machine);
for (i = 0; i < PIPE_SHADER_TYPES; i++) {
FREE(softpipe->tgsi.sampler[i]);
}
FREE( softpipe );
}
/**
* if (the texture is being used as a framebuffer surface)
* return SP_REFERENCED_FOR_WRITE
* else if (the texture is a bound texture source)
* return SP_REFERENCED_FOR_READ
* else
* return SP_UNREFERENCED
*/
unsigned int
softpipe_is_resource_referenced( struct pipe_context *pipe,
struct pipe_resource *texture,
unsigned level, int layer)
{
struct softpipe_context *softpipe = softpipe_context( pipe );
unsigned i, sh;
if (texture->target == PIPE_BUFFER)
return SP_UNREFERENCED;
/* check if any of the bound drawing surfaces are this texture */
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 SP_REFERENCED_FOR_WRITE;
}
}
if (softpipe->framebuffer.zsbuf &&
softpipe->framebuffer.zsbuf->texture == texture) {
return SP_REFERENCED_FOR_WRITE;
}
}
/* check if any of the tex_cache textures are this texture */
for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) {
if (softpipe->tex_cache[sh][i] &&
softpipe->tex_cache[sh][i]->texture == texture)
return SP_REFERENCED_FOR_READ;
}
}
return SP_UNREFERENCED;
}
static void
softpipe_render_condition( struct pipe_context *pipe,
struct pipe_query *query,
boolean condition,
uint mode )
{
struct softpipe_context *softpipe = softpipe_context( pipe );
softpipe->render_cond_query = query;
softpipe->render_cond_mode = mode;
softpipe->render_cond_cond = condition;
}
struct pipe_context *
softpipe_create_context( struct pipe_screen *screen,
void *priv )
{
struct softpipe_screen *sp_screen = softpipe_screen(screen);
struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
uint i, sh;
util_init_math();
for (i = 0; i < PIPE_SHADER_TYPES; i++) {
softpipe->tgsi.sampler[i] = sp_create_tgsi_sampler();
}
softpipe->dump_fs = debug_get_bool_option( "SOFTPIPE_DUMP_FS", FALSE );
softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE );
softpipe->pipe.screen = screen;
softpipe->pipe.destroy = softpipe_destroy;
softpipe->pipe.priv = priv;
/* state setters */
softpipe_init_blend_funcs(&softpipe->pipe);
softpipe_init_clip_funcs(&softpipe->pipe);
softpipe_init_query_funcs( softpipe );
softpipe_init_rasterizer_funcs(&softpipe->pipe);
softpipe_init_sampler_funcs(&softpipe->pipe);
softpipe_init_shader_funcs(&softpipe->pipe);
softpipe_init_streamout_funcs(&softpipe->pipe);
softpipe_init_texture_funcs( &softpipe->pipe );
softpipe_init_vertex_funcs(&softpipe->pipe);
softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
softpipe->pipe.draw_vbo = softpipe_draw_vbo;
softpipe->pipe.clear = softpipe_clear;
softpipe->pipe.flush = softpipe_flush_wrapped;
softpipe->pipe.render_condition = softpipe_render_condition;
softpipe->pipe.create_video_decoder = vl_create_decoder;
softpipe->pipe.create_video_buffer = vl_video_buffer_create;
/*
* 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->pipe );
softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe );
/* Allocate texture caches */
for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) {
softpipe->tex_cache[sh][i] = sp_create_tex_tile_cache(&softpipe->pipe);
if (!softpipe->tex_cache[sh][i])
goto fail;
}
}
softpipe->fs_machine = tgsi_exec_machine_create();
/* setup quad rendering stages */
softpipe->quad.shade = sp_quad_shade_stage(softpipe);
softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
softpipe->quad.blend = sp_quad_blend_stage(softpipe);
softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe);
/*
* Create drawing context and plug our rendering stage into it.
*/
if (sp_screen->use_llvm)
softpipe->draw = draw_create(&softpipe->pipe);
else
softpipe->draw = draw_create_no_llvm(&softpipe->pipe);
if (!softpipe->draw)
goto fail;
draw_texture_sampler(softpipe->draw,
PIPE_SHADER_VERTEX,
(struct tgsi_sampler *)
softpipe->tgsi.sampler[PIPE_SHADER_VERTEX]);
draw_texture_sampler(softpipe->draw,
PIPE_SHADER_GEOMETRY,
(struct tgsi_sampler *)
softpipe->tgsi.sampler[PIPE_SHADER_GEOMETRY]);
if (debug_get_bool_option( "SOFTPIPE_NO_RAST", FALSE ))
softpipe->no_rast = TRUE;
softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
if (!softpipe->vbuf_backend)
goto fail;
softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
if (!softpipe->vbuf)
goto fail;
draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
draw_set_render(softpipe->draw, softpipe->vbuf_backend);
softpipe->blitter = util_blitter_create(&softpipe->pipe);
if (!softpipe->blitter) {
goto fail;
}
/* must be done before installing Draw stages */
util_blitter_cache_all_shaders(softpipe->blitter);
/* plug in AA line/point stages */
draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
/* Do polygon stipple w/ texture map + frag prog? */
#if DO_PSTIPPLE_IN_DRAW_MODULE
draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
#endif
draw_wide_point_sprites(softpipe->draw, TRUE);
sp_init_surface_functions(softpipe);
#if DO_PSTIPPLE_IN_HELPER_MODULE
/* create the polgon stipple sampler */
softpipe->pstipple.sampler = util_pstipple_create_sampler(&softpipe->pipe);
#endif
return &softpipe->pipe;
fail:
softpipe_destroy(&softpipe->pipe);
return NULL;
}