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/**************************************************************************
*
* Copyright 2007 VMware, Inc.
* 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 VMWARE 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 <keithw@vmware.com>
*/
#include "util/u_math.h"
#include "util/u_memory.h"
#include "draw/draw_context.h"
#include "sp_context.h"
#include "sp_state.h"
static void *
softpipe_create_blend_state(struct pipe_context *pipe,
const struct pipe_blend_state *blend)
{
return mem_dup(blend, sizeof(*blend));
}
static void
softpipe_bind_blend_state(struct pipe_context *pipe,
void *blend)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
draw_flush(softpipe->draw);
softpipe->blend = (struct pipe_blend_state *)blend;
softpipe->dirty |= SP_NEW_BLEND;
}
static void
softpipe_delete_blend_state(struct pipe_context *pipe,
void *blend)
{
FREE( blend );
}
static void
softpipe_set_blend_color(struct pipe_context *pipe,
const struct pipe_blend_color *blend_color)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
unsigned i;
draw_flush(softpipe->draw);
softpipe->blend_color = *blend_color;
/* save clamped color too */
for (i = 0; i < 4; i++)
softpipe->blend_color_clamped.color[i] =
CLAMP(blend_color->color[i], 0.0f, 1.0f);
softpipe->dirty |= SP_NEW_BLEND;
}
static void *
softpipe_create_depth_stencil_state(struct pipe_context *pipe,
const struct pipe_depth_stencil_alpha_state *depth_stencil)
{
return mem_dup(depth_stencil, sizeof(*depth_stencil));
}
static void
softpipe_bind_depth_stencil_state(struct pipe_context *pipe,
void *depth_stencil)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
softpipe->depth_stencil = (struct pipe_depth_stencil_alpha_state *)depth_stencil;
softpipe->dirty |= SP_NEW_DEPTH_STENCIL_ALPHA;
}
static void
softpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth)
{
FREE( depth );
}
static void
softpipe_set_stencil_ref(struct pipe_context *pipe,
const struct pipe_stencil_ref *stencil_ref)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
softpipe->stencil_ref = *stencil_ref;
softpipe->dirty |= SP_NEW_DEPTH_STENCIL_ALPHA;
}
static void
softpipe_set_sample_mask(struct pipe_context *pipe,
unsigned sample_mask)
{
}
void
softpipe_init_blend_funcs(struct pipe_context *pipe)
{
pipe->create_blend_state = softpipe_create_blend_state;
pipe->bind_blend_state = softpipe_bind_blend_state;
pipe->delete_blend_state = softpipe_delete_blend_state;
pipe->set_blend_color = softpipe_set_blend_color;
pipe->create_depth_stencil_alpha_state = softpipe_create_depth_stencil_state;
pipe->bind_depth_stencil_alpha_state = softpipe_bind_depth_stencil_state;
pipe->delete_depth_stencil_alpha_state = softpipe_delete_depth_stencil_state;
pipe->set_stencil_ref = softpipe_set_stencil_ref;
pipe->set_sample_mask = softpipe_set_sample_mask;
}
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