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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 <stdio.h>
#include <assert.h>
#include <stdint.h>
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_pack_color.h"
#include "cell/common.h"
#include "cell_clear.h"
#include "cell_context.h"
#include "cell_batch.h"
#include "cell_flush.h"
#include "cell_spu.h"
#include "cell_state.h"
/**
* Called via pipe->clear()
*/
void
cell_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba,
double depth, unsigned stencil)
{
struct cell_context *cell = cell_context(pipe);
if (cell->dirty)
cell_update_derived(cell);
if (buffers & PIPE_CLEAR_COLOR) {
uint surfIndex = 0;
union util_color uc;
util_pack_color(rgba, cell->framebuffer.cbufs[0]->format, &uc);
/* Build a CLEAR command and place it in the current batch buffer */
STATIC_ASSERT(sizeof(struct cell_command_clear_surface) % 16 == 0);
struct cell_command_clear_surface *clr
= (struct cell_command_clear_surface *)
cell_batch_alloc16(cell, sizeof(*clr));
clr->opcode[0] = CELL_CMD_CLEAR_SURFACE;
clr->surface = surfIndex;
clr->value = uc.ui;
}
if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
uint surfIndex = 1;
uint clearValue;
clearValue = util_pack_z_stencil(cell->framebuffer.zsbuf->format,
depth, stencil);
/* Build a CLEAR command and place it in the current batch buffer */
STATIC_ASSERT(sizeof(struct cell_command_clear_surface) % 16 == 0);
struct cell_command_clear_surface *clr
= (struct cell_command_clear_surface *)
cell_batch_alloc16(cell, sizeof(*clr));
clr->opcode[0] = CELL_CMD_CLEAR_SURFACE;
clr->surface = surfIndex;
clr->value = clearValue;
}
}
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