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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:
* Keith Whitwell <keith@tungstengraphics.com>
* Brian Paul
*/
#include "st_context.h"
#include "st_atom.h"
#include "st_cb_texture.h"
#include "pipe/p_context.h"
/**
* XXX This needs some work yet....
* Need to "upload" texture images at appropriate times.
*/
static void
update_textures(struct st_context *st)
{
/* ST_NEW_FRAGMENT_PROGRAM
*/
struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
GLuint unit;
for (unit = 0; unit < st->ctx->Const.MaxTextureCoordUnits; unit++) {
const GLuint su = fprog->Base.SamplerUnits[unit];
struct gl_texture_object *texObj = st->ctx->Texture.Unit[su]._Current;
struct pipe_texture *pt;
if (texObj) {
GLboolean flush, retval;
retval = st_finalize_texture(st->ctx, st->pipe, texObj, &flush);
/* XXX retval indicates whether there's a texture border */
pt = st_get_texobj_texture(texObj);
}
else {
pt = NULL;
}
/* XXX: need to ensure that textures are unbound/removed from
* this table before being deleted, otherwise the pointer
* comparison below could fail.
*/
if (st->state.sampler_texture[unit] != pt) {
st->state.sampler_texture[unit] = pt;
st->pipe->set_sampler_texture(st->pipe, unit, pt);
}
}
}
const struct st_tracked_state st_update_texture = {
.name = "st_update_texture",
.dirty = {
.mesa = _NEW_TEXTURE,
.st = ST_NEW_FRAGMENT_PROGRAM,
},
.update = update_textures
};
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