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/**************************************************************************
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#include "util/u_inlines.h"
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#include "util/u_memory.h"
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#include "util/u_pack_color.h"
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#include "cell/common.h"
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#include "cell_clear.h"
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#include "cell_context.h"
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#include "cell_batch.h"
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#include "cell_flush.h"
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#include "cell_state.h"
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* Called via pipe->clear()
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cell_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba,
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double depth, unsigned stencil)
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struct cell_context *cell = cell_context(pipe);
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cell_update_derived(cell);
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if (buffers & PIPE_CLEAR_COLOR) {
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util_pack_color(rgba, cell->framebuffer.cbufs[0]->format, &uc);
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/* Build a CLEAR command and place it in the current batch buffer */
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STATIC_ASSERT(sizeof(struct cell_command_clear_surface) % 16 == 0);
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struct cell_command_clear_surface *clr
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= (struct cell_command_clear_surface *)
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cell_batch_alloc16(cell, sizeof(*clr));
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clr->opcode[0] = CELL_CMD_CLEAR_SURFACE;
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clr->surface = surfIndex;
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if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
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clearValue = util_pack_z_stencil(cell->framebuffer.zsbuf->format,
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/* Build a CLEAR command and place it in the current batch buffer */
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STATIC_ASSERT(sizeof(struct cell_command_clear_surface) % 16 == 0);
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struct cell_command_clear_surface *clr
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= (struct cell_command_clear_surface *)
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cell_batch_alloc16(cell, sizeof(*clr));
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clr->opcode[0] = CELL_CMD_CLEAR_SURFACE;
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clr->surface = surfIndex;
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clr->value = clearValue;