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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* 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.
*
**************************************************************************/
/**
* @author Jose Fonseca <jfonseca@vmware.com>
* @author Keith Whitwell <keith@tungstengraphics.com>
*/
#include "util/u_memory.h"
#include "util/u_math.h"
#include "util/u_debug_dump.h"
#include "draw/draw_context.h"
#include "lp_screen.h"
#include "lp_context.h"
#include "lp_state.h"
void *
llvmpipe_create_blend_state(struct pipe_context *pipe,
const struct pipe_blend_state *blend)
{
return mem_dup(blend, sizeof(*blend));
}
void llvmpipe_bind_blend_state( struct pipe_context *pipe,
void *blend )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
if (llvmpipe->blend == blend)
return;
draw_flush(llvmpipe->draw);
llvmpipe->blend = blend;
llvmpipe->dirty |= LP_NEW_BLEND;
}
void llvmpipe_delete_blend_state(struct pipe_context *pipe,
void *blend)
{
FREE( blend );
}
void llvmpipe_set_blend_color( struct pipe_context *pipe,
const struct pipe_blend_color *blend_color )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
unsigned i, j;
if(memcmp(&llvmpipe->blend_color, blend_color, sizeof *blend_color) == 0)
return;
draw_flush(llvmpipe->draw);
memcpy(&llvmpipe->blend_color, blend_color, sizeof *blend_color);
if(!llvmpipe->jit_context.blend_color)
llvmpipe->jit_context.blend_color = align_malloc(4 * 16, 16);
for (i = 0; i < 4; ++i) {
uint8_t c = float_to_ubyte(blend_color->color[i]);
for (j = 0; j < 16; ++j)
llvmpipe->jit_context.blend_color[i*16 + j] = c;
}
}
/** XXX move someday? Or consolidate all these simple state setters
* into one file.
*/
void *
llvmpipe_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));
}
void
llvmpipe_bind_depth_stencil_state(struct pipe_context *pipe,
void *depth_stencil)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
if (llvmpipe->depth_stencil == depth_stencil)
return;
draw_flush(llvmpipe->draw);
llvmpipe->depth_stencil = depth_stencil;
if(llvmpipe->depth_stencil)
llvmpipe->jit_context.alpha_ref_value = llvmpipe->depth_stencil->alpha.ref_value;
llvmpipe->dirty |= LP_NEW_DEPTH_STENCIL_ALPHA;
}
void
llvmpipe_delete_depth_stencil_state(struct pipe_context *pipe, void *depth)
{
FREE( depth );
}
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