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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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.
*
**************************************************************************/
/* Authors:
* Brian Paul
*/
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "draw/draw_context.h"
#include "lp_context.h"
#include "lp_context.h"
#include "lp_state.h"
#include "draw/draw_context.h"
static void *
llvmpipe_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *sampler)
{
return mem_dup(sampler, sizeof(*sampler));
}
static void
llvmpipe_bind_sampler_states(struct pipe_context *pipe,
unsigned num, void **sampler)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
unsigned i;
assert(num <= PIPE_MAX_SAMPLERS);
/* Check for no-op */
if (num == llvmpipe->num_samplers &&
!memcmp(llvmpipe->sampler, sampler, num * sizeof(void *)))
return;
draw_flush(llvmpipe->draw);
for (i = 0; i < num; ++i)
llvmpipe->sampler[i] = sampler[i];
for (i = num; i < PIPE_MAX_SAMPLERS; ++i)
llvmpipe->sampler[i] = NULL;
llvmpipe->num_samplers = num;
llvmpipe->dirty |= LP_NEW_SAMPLER;
}
static void
llvmpipe_bind_vertex_sampler_states(struct pipe_context *pipe,
unsigned num_samplers,
void **samplers)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
unsigned i;
assert(num_samplers <= PIPE_MAX_VERTEX_SAMPLERS);
/* Check for no-op */
if (num_samplers == llvmpipe->num_vertex_samplers &&
!memcmp(llvmpipe->vertex_samplers, samplers, num_samplers * sizeof(void *)))
return;
draw_flush(llvmpipe->draw);
for (i = 0; i < num_samplers; ++i)
llvmpipe->vertex_samplers[i] = samplers[i];
for (i = num_samplers; i < PIPE_MAX_VERTEX_SAMPLERS; ++i)
llvmpipe->vertex_samplers[i] = NULL;
llvmpipe->num_vertex_samplers = num_samplers;
llvmpipe->dirty |= LP_NEW_SAMPLER;
}
static void
llvmpipe_set_fragment_sampler_views(struct pipe_context *pipe,
unsigned num,
struct pipe_sampler_view **views)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
uint i;
assert(num <= PIPE_MAX_SAMPLERS);
/* Check for no-op */
if (num == llvmpipe->num_fragment_sampler_views &&
!memcmp(llvmpipe->fragment_sampler_views, views, num * sizeof(struct pipe_sampler_view *)))
return;
draw_flush(llvmpipe->draw);
for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
struct pipe_sampler_view *view = i < num ? views[i] : NULL;
pipe_sampler_view_reference(&llvmpipe->fragment_sampler_views[i], view);
}
llvmpipe->num_fragment_sampler_views = num;
llvmpipe->dirty |= LP_NEW_SAMPLER_VIEW;
}
static void
llvmpipe_set_vertex_sampler_views(struct pipe_context *pipe,
unsigned num,
struct pipe_sampler_view **views)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
uint i;
assert(num <= PIPE_MAX_VERTEX_SAMPLERS);
/* Check for no-op */
if (num == llvmpipe->num_vertex_sampler_views &&
!memcmp(llvmpipe->vertex_sampler_views, views, num * sizeof(struct pipe_sampler_view *))) {
return;
}
draw_flush(llvmpipe->draw);
for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
struct pipe_sampler_view *view = i < num ? views[i] : NULL;
pipe_sampler_view_reference(&llvmpipe->vertex_sampler_views[i], view);
}
llvmpipe->num_vertex_sampler_views = num;
llvmpipe->dirty |= LP_NEW_SAMPLER_VIEW;
}
static struct pipe_sampler_view *
llvmpipe_create_sampler_view(struct pipe_context *pipe,
struct pipe_resource *texture,
const struct pipe_sampler_view *templ)
{
struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view);
if (view) {
*view = *templ;
view->reference.count = 1;
view->texture = NULL;
pipe_resource_reference(&view->texture, texture);
view->context = pipe;
}
return view;
}
static void
llvmpipe_sampler_view_destroy(struct pipe_context *pipe,
struct pipe_sampler_view *view)
{
pipe_resource_reference(&view->texture, NULL);
FREE(view);
}
static void
llvmpipe_delete_sampler_state(struct pipe_context *pipe,
void *sampler)
{
FREE( sampler );
}
void
llvmpipe_init_sampler_funcs(struct llvmpipe_context *llvmpipe)
{
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.set_fragment_sampler_views = llvmpipe_set_fragment_sampler_views;
llvmpipe->pipe.set_vertex_sampler_views = llvmpipe_set_vertex_sampler_views;
llvmpipe->pipe.create_sampler_view = llvmpipe_create_sampler_view;
llvmpipe->pipe.sampler_view_destroy = llvmpipe_sampler_view_destroy;
llvmpipe->pipe.delete_sampler_state = llvmpipe_delete_sampler_state;
}
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