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/**************************************************************************
*
* 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_inlines.h"
#include "util/u_math.h"
#include "util/u_memory.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_texture.h"
#include "lp_winsys.h"
#include "lp_query.h"
#include "lp_setup.h"
static void llvmpipe_destroy( struct pipe_context *pipe )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
uint i;
lp_print_counters();
/* 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 < PIPE_MAX_SAMPLERS; i++) {
pipe_texture_reference(&llvmpipe->texture[i], NULL);
}
for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
pipe_texture_reference(&llvmpipe->vertex_textures[i], NULL);
}
for (i = 0; i < Elements(llvmpipe->constants); i++) {
if (llvmpipe->constants[i]) {
pipe_buffer_reference(&llvmpipe->constants[i], NULL);
}
}
align_free( llvmpipe );
}
static unsigned int
llvmpipe_is_texture_referenced( struct pipe_context *pipe,
struct pipe_texture *texture,
unsigned face, unsigned level)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
return lp_setup_is_texture_referenced(llvmpipe->setup, texture);
}
static unsigned int
llvmpipe_is_buffer_referenced( struct pipe_context *pipe,
struct pipe_buffer *buf)
{
return PIPE_UNREFERENCED;
}
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);
llvmpipe->pipe.winsys = screen->winsys;
llvmpipe->pipe.screen = screen;
llvmpipe->pipe.priv = priv;
llvmpipe->pipe.destroy = llvmpipe_destroy;
/* state setters */
llvmpipe->pipe.create_blend_state = llvmpipe_create_blend_state;
llvmpipe->pipe.bind_blend_state = llvmpipe_bind_blend_state;
llvmpipe->pipe.delete_blend_state = llvmpipe_delete_blend_state;
llvmpipe->pipe.create_sampler_state = llvmpipe_create_sampler_state;
llvmpipe->pipe.bind_fragment_sampler_states = llvmpipe_bind_sampler_states;
llvmpipe->pipe.bind_vertex_sampler_states = llvmpipe_bind_vertex_sampler_states;
llvmpipe->pipe.delete_sampler_state = llvmpipe_delete_sampler_state;
llvmpipe->pipe.create_depth_stencil_alpha_state = llvmpipe_create_depth_stencil_state;
llvmpipe->pipe.bind_depth_stencil_alpha_state = llvmpipe_bind_depth_stencil_state;
llvmpipe->pipe.delete_depth_stencil_alpha_state = llvmpipe_delete_depth_stencil_state;
llvmpipe->pipe.create_rasterizer_state = llvmpipe_create_rasterizer_state;
llvmpipe->pipe.bind_rasterizer_state = llvmpipe_bind_rasterizer_state;
llvmpipe->pipe.delete_rasterizer_state = llvmpipe_delete_rasterizer_state;
llvmpipe->pipe.create_fs_state = llvmpipe_create_fs_state;
llvmpipe->pipe.bind_fs_state = llvmpipe_bind_fs_state;
llvmpipe->pipe.delete_fs_state = llvmpipe_delete_fs_state;
llvmpipe->pipe.create_vs_state = llvmpipe_create_vs_state;
llvmpipe->pipe.bind_vs_state = llvmpipe_bind_vs_state;
llvmpipe->pipe.delete_vs_state = llvmpipe_delete_vs_state;
llvmpipe->pipe.set_blend_color = llvmpipe_set_blend_color;
llvmpipe->pipe.set_clip_state = llvmpipe_set_clip_state;
llvmpipe->pipe.set_constant_buffer = llvmpipe_set_constant_buffer;
llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
llvmpipe->pipe.set_polygon_stipple = llvmpipe_set_polygon_stipple;
llvmpipe->pipe.set_scissor_state = llvmpipe_set_scissor_state;
llvmpipe->pipe.set_fragment_sampler_textures = llvmpipe_set_sampler_textures;
llvmpipe->pipe.set_vertex_sampler_textures = llvmpipe_set_vertex_sampler_textures;
llvmpipe->pipe.set_viewport_state = llvmpipe_set_viewport_state;
llvmpipe->pipe.set_vertex_buffers = llvmpipe_set_vertex_buffers;
llvmpipe->pipe.set_vertex_elements = llvmpipe_set_vertex_elements;
llvmpipe->pipe.draw_arrays = llvmpipe_draw_arrays;
llvmpipe->pipe.draw_elements = llvmpipe_draw_elements;
llvmpipe->pipe.draw_range_elements = llvmpipe_draw_range_elements;
llvmpipe->pipe.clear = llvmpipe_clear;
llvmpipe->pipe.flush = llvmpipe_flush;
llvmpipe->pipe.is_texture_referenced = llvmpipe_is_texture_referenced;
llvmpipe->pipe.is_buffer_referenced = llvmpipe_is_buffer_referenced;
llvmpipe_init_query_funcs( llvmpipe );
/*
* Create drawing context and plug our rendering stage into it.
*/
llvmpipe->draw = draw_create();
if (!llvmpipe->draw)
goto fail;
/* FIXME: devise alternative to draw_texture_samplers */
if (debug_get_bool_option( "LP_NO_RAST", FALSE ))
llvmpipe->no_rast = TRUE;
llvmpipe->setup = lp_setup_create( screen,
llvmpipe->draw );
if (!llvmpipe->setup)
goto fail;
/* plug in AA line/point stages */
draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
#if USE_DRAW_STAGE_PSTIPPLE
/* Do polygon stipple w/ texture map + frag prog? */
draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
#endif
lp_init_surface_functions(llvmpipe);
lp_reset_counters();
return &llvmpipe->pipe;
fail:
llvmpipe_destroy(&llvmpipe->pipe);
return NULL;
}
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