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/**************************************************************************
*
* Copyright 2009 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 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:
* Michel Dänzer
*/
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_pack_color.h"
#include "util/u_rect.h"
/**
* Clear the given buffers to the specified values.
* No masking, no scissor (clear entire buffer).
*/
static INLINE void
util_clear(struct pipe_context *pipe,
struct pipe_framebuffer_state *framebuffer, unsigned buffers,
const float *rgba, double depth, unsigned stencil)
{
if (buffers & PIPE_CLEAR_COLOR) {
struct pipe_surface *ps = framebuffer->cbufs[0];
unsigned color = 0;
util_pack_color(rgba, ps->format, &color);
if (pipe->surface_fill) {
pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, color);
} else {
util_surface_fill(pipe, ps, 0, 0, ps->width, ps->height, color);
}
}
if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
struct pipe_surface *ps = framebuffer->zsbuf;
if (pipe->surface_fill) {
pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height,
util_pack_z_stencil(ps->format, depth, stencil));
} else {
util_surface_fill(pipe, ps, 0, 0, ps->width, ps->height,
util_pack_z_stencil(ps->format, depth, stencil));
}
}
}
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