/**************************************************************************
*
* Copyright 2007 VMware, Inc.
* 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 VMWARE 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 <keithw@vmware.com>
*/
#include "draw/draw_context.h"
#include "draw/draw_vbuf.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/simple_list.h"
#include "lp_clear.h"
#include "lp_context.h"
#include "lp_flush.h"
#include "lp_perf.h"
#include "lp_state.h"
#include "lp_surface.h"
#include "lp_query.h"
#include "lp_setup.h"
/* This is only safe if there's just one concurrent context */
#ifdef PIPE_SUBSYSTEM_EMBEDDED
#define USE_GLOBAL_LLVM_CONTEXT
#endif
static void llvmpipe_destroy( struct pipe_context *pipe )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
uint i, j;
lp_print_counters();
if (llvmpipe->blitter) {
util_blitter_destroy(llvmpipe->blitter);
}
/* This will also destroy llvmpipe->setup:
*/
if (llvmpipe->draw)
draw_destroy( llvmpipe->draw );
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL);
}
pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL);
for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) {
pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT][i], NULL);
}
for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) {
pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_VERTEX][i], NULL);
}
for (i = 0; i < Elements(llvmpipe->sampler_views[0]); i++) {
pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_GEOMETRY][i], NULL);
}
for (i = 0; i < Elements(llvmpipe->constants); i++) {
for (j = 0; j < Elements(llvmpipe->constants[i]); j++) {
pipe_resource_reference(&llvmpipe->constants[i][j].buffer, NULL);
}
}
for (i = 0; i < llvmpipe->num_vertex_buffers; i++) {
pipe_resource_reference(&llvmpipe->vertex_buffer[i].buffer, NULL);
}
lp_delete_setup_variants(llvmpipe);
#ifndef USE_GLOBAL_LLVM_CONTEXT
LLVMContextDispose(llvmpipe->context);
#endif
llvmpipe->context = NULL;
align_free( llvmpipe );
}
static void
do_flush( struct pipe_context *pipe,
struct pipe_fence_handle **fence,
unsigned flags)
{
llvmpipe_flush(pipe, fence, __FUNCTION__);
}
static void
llvmpipe_render_condition ( struct pipe_context *pipe,
struct pipe_query *query,
boolean condition,
uint mode )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
llvmpipe->render_cond_query = query;
llvmpipe->render_cond_mode = mode;
llvmpipe->render_cond_cond = condition;
}
struct pipe_context *
llvmpipe_create_context( struct pipe_screen *screen, void *priv )
{
struct llvmpipe_context *llvmpipe;
llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16);
if (!llvmpipe)
return NULL;
util_init_math();
memset(llvmpipe
, 0, sizeof *llvmpipe
);
make_empty_list(&llvmpipe->fs_variants_list);
make_empty_list(&llvmpipe->setup_variants_list);
llvmpipe->pipe.screen = screen;
llvmpipe->pipe.priv = priv;
/* Init the pipe context methods */
llvmpipe->pipe.destroy = llvmpipe_destroy;
llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
llvmpipe->pipe.clear = llvmpipe_clear;
llvmpipe->pipe.flush = do_flush;
llvmpipe->pipe.render_condition = llvmpipe_render_condition;
llvmpipe_init_blend_funcs(llvmpipe);
llvmpipe_init_clip_funcs(llvmpipe);
llvmpipe_init_draw_funcs(llvmpipe);
llvmpipe_init_sampler_funcs(llvmpipe);
llvmpipe_init_query_funcs( llvmpipe );
llvmpipe_init_vertex_funcs(llvmpipe);
llvmpipe_init_so_funcs(llvmpipe);
llvmpipe_init_fs_funcs(llvmpipe);
llvmpipe_init_vs_funcs(llvmpipe);
llvmpipe_init_gs_funcs(llvmpipe);
llvmpipe_init_rasterizer_funcs(llvmpipe);
llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
llvmpipe_init_surface_functions(llvmpipe);
#ifdef USE_GLOBAL_LLVM_CONTEXT
llvmpipe->context = LLVMGetGlobalContext();
#else
llvmpipe->context = LLVMContextCreate();
#endif
if (!llvmpipe->context)
goto fail;
/*
* Create drawing context and plug our rendering stage into it.
*/
llvmpipe->draw = draw_create_with_llvm_context(&llvmpipe->pipe,
llvmpipe->context);
if (!llvmpipe->draw)
goto fail;
/* FIXME: devise alternative to draw_texture_samplers */
llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
llvmpipe->draw );
if (!llvmpipe->setup)
goto fail;
llvmpipe->blitter = util_blitter_create(&llvmpipe->pipe);
if (!llvmpipe->blitter) {
goto fail;
}
/* must be done before installing Draw stages */
util_blitter_cache_all_shaders(llvmpipe->blitter);
/* plug in AA line/point stages */
draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
/* convert points and lines into triangles:
* (otherwise, draw points and lines natively)
*/
draw_wide_point_sprites(llvmpipe->draw, FALSE);
draw_enable_point_sprites(llvmpipe->draw, FALSE);
draw_wide_point_threshold(llvmpipe->draw, 10000.0);
draw_wide_line_threshold(llvmpipe->draw, 10000.0);
lp_reset_counters();
return &llvmpipe->pipe;
fail:
llvmpipe_destroy(&llvmpipe->pipe);
return NULL;
}