forked from KolibriOS/kolibrios
326 lines
10 KiB
C
326 lines
10 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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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 TUNGSTEN GRAPHICS 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 <keith@tungstengraphics.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_math.h"
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#include "util/u_memory.h"
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#include "util/u_pstipple.h"
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#include "util/u_inlines.h"
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#include "tgsi/tgsi_exec.h"
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#include "vl/vl_decoder.h"
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#include "vl/vl_video_buffer.h"
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#include "sp_clear.h"
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#include "sp_context.h"
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#include "sp_flush.h"
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#include "sp_prim_vbuf.h"
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#include "sp_state.h"
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#include "sp_surface.h"
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#include "sp_tile_cache.h"
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#include "sp_tex_tile_cache.h"
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#include "sp_texture.h"
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#include "sp_query.h"
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#include "sp_screen.h"
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#include "sp_tex_sample.h"
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static void
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softpipe_destroy( struct pipe_context *pipe )
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{
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struct softpipe_context *softpipe = softpipe_context( pipe );
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uint i, sh;
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#if DO_PSTIPPLE_IN_HELPER_MODULE
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if (softpipe->pstipple.sampler)
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pipe->delete_sampler_state(pipe, softpipe->pstipple.sampler);
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pipe_resource_reference(&softpipe->pstipple.texture, NULL);
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pipe_sampler_view_reference(&softpipe->pstipple.sampler_view, NULL);
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#endif
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if (softpipe->blitter) {
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util_blitter_destroy(softpipe->blitter);
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}
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if (softpipe->draw)
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draw_destroy( softpipe->draw );
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if (softpipe->quad.shade)
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softpipe->quad.shade->destroy( softpipe->quad.shade );
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if (softpipe->quad.depth_test)
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softpipe->quad.depth_test->destroy( softpipe->quad.depth_test );
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if (softpipe->quad.blend)
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softpipe->quad.blend->destroy( softpipe->quad.blend );
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if (softpipe->quad.pstipple)
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softpipe->quad.pstipple->destroy( softpipe->quad.pstipple );
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for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
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sp_destroy_tile_cache(softpipe->cbuf_cache[i]);
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pipe_surface_reference(&softpipe->framebuffer.cbufs[i], NULL);
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}
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sp_destroy_tile_cache(softpipe->zsbuf_cache);
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pipe_surface_reference(&softpipe->framebuffer.zsbuf, NULL);
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for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
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for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) {
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sp_destroy_tex_tile_cache(softpipe->tex_cache[sh][i]);
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pipe_sampler_view_reference(&softpipe->sampler_views[sh][i], NULL);
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}
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}
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for (sh = 0; sh < Elements(softpipe->constants); sh++) {
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for (i = 0; i < Elements(softpipe->constants[0]); i++) {
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if (softpipe->constants[sh][i]) {
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pipe_resource_reference(&softpipe->constants[sh][i], NULL);
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}
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}
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}
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for (i = 0; i < softpipe->num_vertex_buffers; i++) {
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pipe_resource_reference(&softpipe->vertex_buffer[i].buffer, NULL);
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}
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tgsi_exec_machine_destroy(softpipe->fs_machine);
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for (i = 0; i < PIPE_SHADER_TYPES; i++) {
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FREE(softpipe->tgsi.sampler[i]);
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}
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FREE( softpipe );
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}
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/**
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* if (the texture is being used as a framebuffer surface)
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* return SP_REFERENCED_FOR_WRITE
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* else if (the texture is a bound texture source)
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* return SP_REFERENCED_FOR_READ
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* else
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* return SP_UNREFERENCED
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*/
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unsigned int
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softpipe_is_resource_referenced( struct pipe_context *pipe,
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struct pipe_resource *texture,
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unsigned level, int layer)
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{
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struct softpipe_context *softpipe = softpipe_context( pipe );
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unsigned i, sh;
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if (texture->target == PIPE_BUFFER)
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return SP_UNREFERENCED;
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/* check if any of the bound drawing surfaces are this texture */
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if (softpipe->dirty_render_cache) {
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for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
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if (softpipe->framebuffer.cbufs[i] &&
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softpipe->framebuffer.cbufs[i]->texture == texture) {
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return SP_REFERENCED_FOR_WRITE;
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}
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}
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if (softpipe->framebuffer.zsbuf &&
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softpipe->framebuffer.zsbuf->texture == texture) {
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return SP_REFERENCED_FOR_WRITE;
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}
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}
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/* check if any of the tex_cache textures are this texture */
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for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
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for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) {
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if (softpipe->tex_cache[sh][i] &&
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softpipe->tex_cache[sh][i]->texture == texture)
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return SP_REFERENCED_FOR_READ;
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}
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}
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return SP_UNREFERENCED;
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}
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static void
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softpipe_render_condition( struct pipe_context *pipe,
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struct pipe_query *query,
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boolean condition,
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uint mode )
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{
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struct softpipe_context *softpipe = softpipe_context( pipe );
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softpipe->render_cond_query = query;
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softpipe->render_cond_mode = mode;
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softpipe->render_cond_cond = condition;
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}
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struct pipe_context *
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softpipe_create_context( struct pipe_screen *screen,
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void *priv )
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{
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struct softpipe_screen *sp_screen = softpipe_screen(screen);
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struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
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uint i, sh;
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util_init_math();
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for (i = 0; i < PIPE_SHADER_TYPES; i++) {
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softpipe->tgsi.sampler[i] = sp_create_tgsi_sampler();
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}
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softpipe->dump_fs = debug_get_bool_option( "SOFTPIPE_DUMP_FS", FALSE );
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softpipe->dump_gs = debug_get_bool_option( "SOFTPIPE_DUMP_GS", FALSE );
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softpipe->pipe.screen = screen;
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softpipe->pipe.destroy = softpipe_destroy;
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softpipe->pipe.priv = priv;
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/* state setters */
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softpipe_init_blend_funcs(&softpipe->pipe);
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softpipe_init_clip_funcs(&softpipe->pipe);
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softpipe_init_query_funcs( softpipe );
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softpipe_init_rasterizer_funcs(&softpipe->pipe);
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softpipe_init_sampler_funcs(&softpipe->pipe);
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softpipe_init_shader_funcs(&softpipe->pipe);
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softpipe_init_streamout_funcs(&softpipe->pipe);
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softpipe_init_texture_funcs( &softpipe->pipe );
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softpipe_init_vertex_funcs(&softpipe->pipe);
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softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state;
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softpipe->pipe.draw_vbo = softpipe_draw_vbo;
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softpipe->pipe.clear = softpipe_clear;
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softpipe->pipe.flush = softpipe_flush_wrapped;
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softpipe->pipe.render_condition = softpipe_render_condition;
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softpipe->pipe.create_video_decoder = vl_create_decoder;
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softpipe->pipe.create_video_buffer = vl_video_buffer_create;
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/*
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* Alloc caches for accessing drawing surfaces and textures.
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* Must be before quad stage setup!
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*/
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for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
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softpipe->cbuf_cache[i] = sp_create_tile_cache( &softpipe->pipe );
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softpipe->zsbuf_cache = sp_create_tile_cache( &softpipe->pipe );
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/* Allocate texture caches */
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for (sh = 0; sh < Elements(softpipe->tex_cache); sh++) {
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for (i = 0; i < Elements(softpipe->tex_cache[0]); i++) {
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softpipe->tex_cache[sh][i] = sp_create_tex_tile_cache(&softpipe->pipe);
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if (!softpipe->tex_cache[sh][i])
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goto fail;
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}
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}
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softpipe->fs_machine = tgsi_exec_machine_create();
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/* setup quad rendering stages */
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softpipe->quad.shade = sp_quad_shade_stage(softpipe);
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softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe);
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softpipe->quad.blend = sp_quad_blend_stage(softpipe);
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softpipe->quad.pstipple = sp_quad_polygon_stipple_stage(softpipe);
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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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if (sp_screen->use_llvm)
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softpipe->draw = draw_create(&softpipe->pipe);
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else
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softpipe->draw = draw_create_no_llvm(&softpipe->pipe);
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if (!softpipe->draw)
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goto fail;
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draw_texture_sampler(softpipe->draw,
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PIPE_SHADER_VERTEX,
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(struct tgsi_sampler *)
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softpipe->tgsi.sampler[PIPE_SHADER_VERTEX]);
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draw_texture_sampler(softpipe->draw,
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PIPE_SHADER_GEOMETRY,
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(struct tgsi_sampler *)
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softpipe->tgsi.sampler[PIPE_SHADER_GEOMETRY]);
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if (debug_get_bool_option( "SOFTPIPE_NO_RAST", FALSE ))
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softpipe->no_rast = TRUE;
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softpipe->vbuf_backend = sp_create_vbuf_backend(softpipe);
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if (!softpipe->vbuf_backend)
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goto fail;
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softpipe->vbuf = draw_vbuf_stage(softpipe->draw, softpipe->vbuf_backend);
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if (!softpipe->vbuf)
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goto fail;
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draw_set_rasterize_stage(softpipe->draw, softpipe->vbuf);
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draw_set_render(softpipe->draw, softpipe->vbuf_backend);
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softpipe->blitter = util_blitter_create(&softpipe->pipe);
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if (!softpipe->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(softpipe->blitter);
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/* plug in AA line/point stages */
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draw_install_aaline_stage(softpipe->draw, &softpipe->pipe);
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draw_install_aapoint_stage(softpipe->draw, &softpipe->pipe);
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/* Do polygon stipple w/ texture map + frag prog? */
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#if DO_PSTIPPLE_IN_DRAW_MODULE
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draw_install_pstipple_stage(softpipe->draw, &softpipe->pipe);
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#endif
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draw_wide_point_sprites(softpipe->draw, TRUE);
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sp_init_surface_functions(softpipe);
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#if DO_PSTIPPLE_IN_HELPER_MODULE
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/* create the polgon stipple sampler */
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softpipe->pstipple.sampler = util_pstipple_create_sampler(&softpipe->pipe);
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#endif
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return &softpipe->pipe;
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fail:
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softpipe_destroy(&softpipe->pipe);
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return NULL;
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}
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