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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */

/*
 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
 *
 * 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, sublicense,
 * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS 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:
 *    Rob Clark <robclark@freedesktop.org>
 */

#include "pipe/p_defines.h"
#include "util/u_format.h"

#include "freedreno_util.h"

unsigned marker_cnt;

enum adreno_rb_depth_format
fd_pipe2depth(enum pipe_format format)
{
	switch (format) {
	case PIPE_FORMAT_Z16_UNORM:
		return DEPTHX_16;
	case PIPE_FORMAT_Z24X8_UNORM:
	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
	case PIPE_FORMAT_X8Z24_UNORM:
	case PIPE_FORMAT_S8_UINT_Z24_UNORM:
		return DEPTHX_24_8;
	default:
		return ~0;
	}
}

enum pc_di_index_size
fd_pipe2index(enum pipe_format format)
{
	switch (format) {
	case PIPE_FORMAT_I8_UINT:
		return INDEX_SIZE_8_BIT;
	case PIPE_FORMAT_I16_UINT:
		return INDEX_SIZE_16_BIT;
	case PIPE_FORMAT_I32_UINT:
		return INDEX_SIZE_32_BIT;
	default:
		return ~0;
	}
}


enum adreno_rb_blend_factor
fd_blend_factor(unsigned factor)
{
	switch (factor) {
	case PIPE_BLENDFACTOR_ONE:
		return FACTOR_ONE;
	case PIPE_BLENDFACTOR_SRC_COLOR:
		return FACTOR_SRC_COLOR;
	case PIPE_BLENDFACTOR_SRC_ALPHA:
		return FACTOR_SRC_ALPHA;
	case PIPE_BLENDFACTOR_DST_ALPHA:
		return FACTOR_DST_ALPHA;
	case PIPE_BLENDFACTOR_DST_COLOR:
		return FACTOR_DST_COLOR;
	case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
		return FACTOR_SRC_ALPHA_SATURATE;
	case PIPE_BLENDFACTOR_CONST_COLOR:
		return FACTOR_CONSTANT_COLOR;
	case PIPE_BLENDFACTOR_CONST_ALPHA:
		return FACTOR_CONSTANT_ALPHA;
	case PIPE_BLENDFACTOR_ZERO:
	case 0:
		return FACTOR_ZERO;
	case PIPE_BLENDFACTOR_INV_SRC_COLOR:
		return FACTOR_ONE_MINUS_SRC_COLOR;
	case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
		return FACTOR_ONE_MINUS_SRC_ALPHA;
	case PIPE_BLENDFACTOR_INV_DST_ALPHA:
		return FACTOR_ONE_MINUS_DST_ALPHA;
	case PIPE_BLENDFACTOR_INV_DST_COLOR:
		return FACTOR_ONE_MINUS_DST_COLOR;
	case PIPE_BLENDFACTOR_INV_CONST_COLOR:
		return FACTOR_ONE_MINUS_CONSTANT_COLOR;
	case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
		return FACTOR_ONE_MINUS_CONSTANT_ALPHA;
	case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
	case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
	case PIPE_BLENDFACTOR_SRC1_COLOR:
	case PIPE_BLENDFACTOR_SRC1_ALPHA:
		/* I don't think these are supported */
	default:
		DBG("invalid blend factor: %x", factor);
		return 0;
	}
}

enum adreno_rb_blend_opcode
fd_blend_func(unsigned func)
{
	switch (func) {
	case PIPE_BLEND_ADD:
		return BLEND_DST_PLUS_SRC;
	case PIPE_BLEND_MIN:
		return BLEND_MIN_DST_SRC;
	case PIPE_BLEND_MAX:
		return BLEND_MAX_DST_SRC;
	case PIPE_BLEND_SUBTRACT:
		return BLEND_SRC_MINUS_DST;
	case PIPE_BLEND_REVERSE_SUBTRACT:
		return BLEND_DST_MINUS_SRC;
	default:
		DBG("invalid blend func: %x", func);
		return 0;
	}
}

enum adreno_pa_su_sc_draw
fd_polygon_mode(unsigned mode)
{
	switch (mode) {
	case PIPE_POLYGON_MODE_POINT:
		return PC_DRAW_POINTS;
	case PIPE_POLYGON_MODE_LINE:
		return PC_DRAW_LINES;
	case PIPE_POLYGON_MODE_FILL:
		return PC_DRAW_TRIANGLES;
	default:
		DBG("invalid polygon mode: %u", mode);
		return 0;
	}
}

enum adreno_stencil_op
fd_stencil_op(unsigned op)
{
	switch (op) {
	case PIPE_STENCIL_OP_KEEP:
		return STENCIL_KEEP;
	case PIPE_STENCIL_OP_ZERO:
		return STENCIL_ZERO;
	case PIPE_STENCIL_OP_REPLACE:
		return STENCIL_REPLACE;
	case PIPE_STENCIL_OP_INCR:
		return STENCIL_INCR_CLAMP;
	case PIPE_STENCIL_OP_DECR:
		return STENCIL_DECR_CLAMP;
	case PIPE_STENCIL_OP_INCR_WRAP:
		return STENCIL_INCR_WRAP;
	case PIPE_STENCIL_OP_DECR_WRAP:
		return STENCIL_DECR_WRAP;
	case PIPE_STENCIL_OP_INVERT:
		return STENCIL_INVERT;
	default:
		DBG("invalid stencil op: %u", op);
		return 0;
	}
}