/**************************************************************************
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*
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* Copyright 2007 VMware, Inc.
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* All Rights Reserved.
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* Copyright 2008 VMware, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/* Author:
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* Keith Whitwell <keithw@vmware.com>
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*/
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#include "draw/draw_context.h"
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#include "draw/draw_vbuf.h"
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#include "pipe/p_defines.h"
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#include "util/u_inlines.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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#include "util/simple_list.h"
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#include "util/u_upload_mgr.h"
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#include "lp_clear.h"
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#include "lp_context.h"
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#include "lp_flush.h"
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#include "lp_perf.h"
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#include "lp_state.h"
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#include "lp_surface.h"
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#include "lp_query.h"
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#include "lp_setup.h"
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/* This is only safe if there's just one concurrent context */
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#ifdef PIPE_SUBSYSTEM_EMBEDDED
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#define USE_GLOBAL_LLVM_CONTEXT
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#endif
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static void llvmpipe_destroy( struct pipe_context *pipe )
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
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uint i, j;
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lp_print_counters();
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if (llvmpipe->blitter) {
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util_blitter_destroy(llvmpipe->blitter);
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}
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if (llvmpipe->pipe.stream_uploader)
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u_upload_destroy(llvmpipe->pipe.stream_uploader);
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/* This will also destroy llvmpipe->setup:
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*/
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if (llvmpipe->draw)
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draw_destroy( llvmpipe->draw );
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for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
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pipe_surface_reference(&llvmpipe->framebuffer.cbufs[i], NULL);
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}
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pipe_surface_reference(&llvmpipe->framebuffer.zsbuf, NULL);
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for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
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pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_FRAGMENT][i], NULL);
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}
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for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
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pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_VERTEX][i], NULL);
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}
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for (i = 0; i < ARRAY_SIZE(llvmpipe->sampler_views[0]); i++) {
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pipe_sampler_view_reference(&llvmpipe->sampler_views[PIPE_SHADER_GEOMETRY][i], NULL);
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}
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for (i = 0; i < ARRAY_SIZE(llvmpipe->constants); i++) {
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for (j = 0; j < ARRAY_SIZE(llvmpipe->constants[i]); j++) {
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pipe_resource_reference(&llvmpipe->constants[i][j].buffer, NULL);
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}
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}
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for (i = 0; i < llvmpipe->num_vertex_buffers; i++) {
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pipe_vertex_buffer_unreference(&llvmpipe->vertex_buffer[i]);
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}
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lp_delete_setup_variants(llvmpipe);
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#ifndef USE_GLOBAL_LLVM_CONTEXT
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LLVMContextDispose(llvmpipe->context);
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#endif
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llvmpipe->context = NULL;
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align_free( llvmpipe );
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}
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static void
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do_flush( struct pipe_context *pipe,
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struct pipe_fence_handle **fence,
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unsigned flags)
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{
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llvmpipe_flush(pipe, fence, __FUNCTION__);
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}
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static void
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llvmpipe_render_condition(struct pipe_context *pipe,
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struct pipe_query *query,
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boolean condition,
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enum pipe_render_cond_flag mode)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
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llvmpipe->render_cond_query = query;
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llvmpipe->render_cond_mode = mode;
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llvmpipe->render_cond_cond = condition;
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}
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struct pipe_context *
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llvmpipe_create_context(struct pipe_screen *screen, void *priv,
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unsigned flags)
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{
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struct llvmpipe_context *llvmpipe;
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llvmpipe = align_malloc(sizeof(struct llvmpipe_context), 16);
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if (!llvmpipe)
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return NULL;
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util_init_math();
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memset(llvmpipe, 0, sizeof *llvmpipe);
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make_empty_list(&llvmpipe->fs_variants_list);
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make_empty_list(&llvmpipe->setup_variants_list);
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llvmpipe->pipe.screen = screen;
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llvmpipe->pipe.priv = priv;
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/* Init the pipe context methods */
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llvmpipe->pipe.destroy = llvmpipe_destroy;
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llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state;
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llvmpipe->pipe.clear = llvmpipe_clear;
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llvmpipe->pipe.flush = do_flush;
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llvmpipe->pipe.render_condition = llvmpipe_render_condition;
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llvmpipe_init_blend_funcs(llvmpipe);
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llvmpipe_init_clip_funcs(llvmpipe);
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llvmpipe_init_draw_funcs(llvmpipe);
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llvmpipe_init_sampler_funcs(llvmpipe);
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llvmpipe_init_query_funcs( llvmpipe );
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llvmpipe_init_vertex_funcs(llvmpipe);
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llvmpipe_init_so_funcs(llvmpipe);
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llvmpipe_init_fs_funcs(llvmpipe);
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llvmpipe_init_vs_funcs(llvmpipe);
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llvmpipe_init_gs_funcs(llvmpipe);
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llvmpipe_init_rasterizer_funcs(llvmpipe);
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llvmpipe_init_context_resource_funcs( &llvmpipe->pipe );
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llvmpipe_init_surface_functions(llvmpipe);
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#ifdef USE_GLOBAL_LLVM_CONTEXT
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llvmpipe->context = LLVMGetGlobalContext();
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#else
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llvmpipe->context = LLVMContextCreate();
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#endif
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if (!llvmpipe->context)
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goto fail;
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/*
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* Create drawing context and plug our rendering stage into it.
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*/
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llvmpipe->draw = draw_create_with_llvm_context(&llvmpipe->pipe,
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llvmpipe->context);
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if (!llvmpipe->draw)
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goto fail;
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/* FIXME: devise alternative to draw_texture_samplers */
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llvmpipe->setup = lp_setup_create( &llvmpipe->pipe,
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llvmpipe->draw );
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if (!llvmpipe->setup)
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goto fail;
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llvmpipe->pipe.stream_uploader = u_upload_create_default(&llvmpipe->pipe);
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if (!llvmpipe->pipe.stream_uploader)
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goto fail;
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llvmpipe->pipe.const_uploader = llvmpipe->pipe.stream_uploader;
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llvmpipe->blitter = util_blitter_create(&llvmpipe->pipe);
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if (!llvmpipe->blitter) {
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goto fail;
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}
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/* must be done before installing Draw stages */
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util_blitter_cache_all_shaders(llvmpipe->blitter);
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/* plug in AA line/point stages */
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draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe);
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draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe);
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draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe);
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/* convert points and lines into triangles:
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* (otherwise, draw points and lines natively)
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*/
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draw_wide_point_sprites(llvmpipe->draw, FALSE);
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draw_enable_point_sprites(llvmpipe->draw, FALSE);
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draw_wide_point_threshold(llvmpipe->draw, 10000.0);
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draw_wide_line_threshold(llvmpipe->draw, 10000.0);
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lp_reset_counters();
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/* If llvmpipe_set_scissor_states() is never called, we still need to
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* make sure that derived scissor state is computed.
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* See https://bugs.freedesktop.org/show_bug.cgi?id=101709
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*/
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llvmpipe->dirty |= LP_NEW_SCISSOR;
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return &llvmpipe->pipe;
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fail:
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llvmpipe_destroy(&llvmpipe->pipe);
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return NULL;
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}
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