forked from KolibriOS/kolibrios
248 lines
7.9 KiB
C
248 lines
7.9 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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*
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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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/* Authors:
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* Brian Paul
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*/
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#include "util/u_memory.h"
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#include "util/u_inlines.h"
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#include "draw/draw_context.h"
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#include "sp_context.h"
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#include "sp_state.h"
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#include "sp_texture.h"
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#include "sp_tex_sample.h"
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#include "sp_tex_tile_cache.h"
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/**
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* Bind a range [start, start+num-1] of samplers for a shader stage.
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*/
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static void
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softpipe_bind_sampler_states(struct pipe_context *pipe,
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unsigned shader,
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unsigned start,
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unsigned num,
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void **samplers)
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{
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struct softpipe_context *softpipe = softpipe_context(pipe);
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unsigned i;
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assert(shader < PIPE_SHADER_TYPES);
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assert(start + num <= Elements(softpipe->samplers[shader]));
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/* Check for no-op */
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if (start + num <= softpipe->num_samplers[shader] &&
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!memcmp(softpipe->samplers[shader] + start, samplers,
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num * sizeof(void *))) {
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return;
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}
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draw_flush(softpipe->draw);
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/* set the new samplers */
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for (i = 0; i < num; i++) {
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softpipe->samplers[shader][start + i] = samplers[i];
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}
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/* find highest non-null samplers[] entry */
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{
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unsigned j = MAX2(softpipe->num_samplers[shader], start + num);
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while (j > 0 && softpipe->samplers[shader][j - 1] == NULL)
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j--;
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softpipe->num_samplers[shader] = j;
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}
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if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
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draw_set_samplers(softpipe->draw,
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shader,
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softpipe->samplers[shader],
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softpipe->num_samplers[shader]);
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}
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softpipe->dirty |= SP_NEW_SAMPLER;
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}
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static void
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softpipe_bind_fragment_sampler_states(struct pipe_context *pipe,
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unsigned num, void **samplers)
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{
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softpipe_bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, num, samplers);
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}
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static void
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softpipe_bind_vertex_sampler_states(struct pipe_context *pipe,
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unsigned num,
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void **samplers)
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{
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softpipe_bind_sampler_states(pipe, PIPE_SHADER_VERTEX, 0, num, samplers);
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}
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static void
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softpipe_bind_geometry_sampler_states(struct pipe_context *pipe,
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unsigned num,
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void **samplers)
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{
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softpipe_bind_sampler_states(pipe, PIPE_SHADER_GEOMETRY, 0, num, samplers);
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}
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static void
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softpipe_sampler_view_destroy(struct pipe_context *pipe,
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struct pipe_sampler_view *view)
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{
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pipe_resource_reference(&view->texture, NULL);
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FREE(view);
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}
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void
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softpipe_set_sampler_views(struct pipe_context *pipe,
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unsigned shader,
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unsigned start,
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unsigned num,
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struct pipe_sampler_view **views)
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{
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struct softpipe_context *softpipe = softpipe_context(pipe);
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uint i;
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assert(shader < PIPE_SHADER_TYPES);
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assert(start + num <= Elements(softpipe->sampler_views[shader]));
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/* Check for no-op */
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if (start + num <= softpipe->num_sampler_views[shader] &&
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!memcmp(softpipe->sampler_views[shader] + start, views,
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num * sizeof(struct pipe_sampler_view *))) {
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return;
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}
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draw_flush(softpipe->draw);
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/* set the new sampler views */
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for (i = 0; i < num; i++) {
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struct sp_sampler_view *sp_sviewsrc;
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struct sp_sampler_view *sp_sviewdst =
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&softpipe->tgsi.sampler[shader]->sp_sview[start + i];
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struct pipe_sampler_view **pview = &softpipe->sampler_views[shader][start + i];
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pipe_sampler_view_reference(pview, views[i]);
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sp_tex_tile_cache_set_sampler_view(softpipe->tex_cache[shader][start + i],
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views[i]);
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/*
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* We don't really have variants, however some bits are different per shader,
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* so just copy?
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*/
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sp_sviewsrc = (struct sp_sampler_view *)*pview;
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if (sp_sviewsrc) {
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memcpy(sp_sviewdst, sp_sviewsrc, sizeof(*sp_sviewsrc));
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sp_sviewdst->compute_lambda = softpipe_get_lambda_func(&sp_sviewdst->base, shader);
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sp_sviewdst->cache = softpipe->tex_cache[shader][start + i];
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}
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else {
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memset(sp_sviewdst, 0, sizeof(*sp_sviewsrc));
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}
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}
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/* find highest non-null sampler_views[] entry */
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{
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unsigned j = MAX2(softpipe->num_sampler_views[shader], start + num);
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while (j > 0 && softpipe->sampler_views[shader][j - 1] == NULL)
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j--;
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softpipe->num_sampler_views[shader] = j;
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}
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if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
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draw_set_sampler_views(softpipe->draw,
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shader,
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softpipe->sampler_views[shader],
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softpipe->num_sampler_views[shader]);
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}
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softpipe->dirty |= SP_NEW_TEXTURE;
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}
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static void
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softpipe_set_fragment_sampler_views(struct pipe_context *pipe,
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unsigned num,
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struct pipe_sampler_view **views)
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{
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softpipe_set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, num, views);
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}
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static void
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softpipe_set_vertex_sampler_views(struct pipe_context *pipe,
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unsigned num,
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struct pipe_sampler_view **views)
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{
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softpipe_set_sampler_views(pipe, PIPE_SHADER_VERTEX, 0, num, views);
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}
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static void
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softpipe_set_geometry_sampler_views(struct pipe_context *pipe,
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unsigned num,
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struct pipe_sampler_view **views)
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{
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softpipe_set_sampler_views(pipe, PIPE_SHADER_GEOMETRY, 0, num, views);
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}
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static void
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softpipe_delete_sampler_state(struct pipe_context *pipe,
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void *sampler)
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{
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FREE( sampler );
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}
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void
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softpipe_init_sampler_funcs(struct pipe_context *pipe)
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{
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pipe->create_sampler_state = softpipe_create_sampler_state;
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pipe->bind_fragment_sampler_states = softpipe_bind_fragment_sampler_states;
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pipe->bind_vertex_sampler_states = softpipe_bind_vertex_sampler_states;
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pipe->bind_geometry_sampler_states = softpipe_bind_geometry_sampler_states;
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pipe->delete_sampler_state = softpipe_delete_sampler_state;
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pipe->set_fragment_sampler_views = softpipe_set_fragment_sampler_views;
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pipe->set_vertex_sampler_views = softpipe_set_vertex_sampler_views;
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pipe->set_geometry_sampler_views = softpipe_set_geometry_sampler_views;
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pipe->create_sampler_view = softpipe_create_sampler_view;
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pipe->sampler_view_destroy = softpipe_sampler_view_destroy;
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}
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