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path: root/src/gallium/drivers/r600/r600_asm.h
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/*
 * Copyright 2010 Jerome Glisse <glisse@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
 * on 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
 * THE AUTHOR(S) AND/OR THEIR 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.
 */
#ifndef R600_ASM_H
#define R600_ASM_H

struct r600_vertex_element;
struct r600_pipe_context;

struct r600_bytecode_alu_src {
	unsigned			sel;
	unsigned			chan;
	unsigned			neg;
	unsigned			abs;
	unsigned			rel;
	uint32_t			value;
};

struct r600_bytecode_alu_dst {
	unsigned			sel;
	unsigned			chan;
	unsigned			clamp;
	unsigned			write;
	unsigned			rel;
};

struct r600_bytecode_alu {
	struct list_head		list;
	struct r600_bytecode_alu_src		src[3];
	struct r600_bytecode_alu_dst		dst;
	unsigned			inst;
	unsigned			last;
	unsigned			is_op3;
	unsigned			predicate;
	unsigned			bank_swizzle;
	unsigned			bank_swizzle_force;
	unsigned			omod;
};

struct r600_bytecode_tex {
	struct list_head		list;
	unsigned			inst;
	unsigned			resource_id;
	unsigned			src_gpr;
	unsigned			src_rel;
	unsigned			dst_gpr;
	unsigned			dst_rel;
	unsigned			dst_sel_x;
	unsigned			dst_sel_y;
	unsigned			dst_sel_z;
	unsigned			dst_sel_w;
	unsigned			lod_bias;
	unsigned			coord_type_x;
	unsigned			coord_type_y;
	unsigned			coord_type_z;
	unsigned			coord_type_w;
	unsigned			offset_x;
	unsigned			offset_y;
	unsigned			offset_z;
	unsigned			sampler_id;
	unsigned			src_sel_x;
	unsigned			src_sel_y;
	unsigned			src_sel_z;
	unsigned			src_sel_w;
};

struct r600_bytecode_vtx {
	struct list_head		list;
	unsigned			inst;
	unsigned			fetch_type;
	unsigned			buffer_id;
	unsigned			src_gpr;
	unsigned			src_sel_x;
	unsigned			mega_fetch_count;
	unsigned			dst_gpr;
	unsigned			dst_sel_x;
	unsigned			dst_sel_y;
	unsigned			dst_sel_z;
	unsigned			dst_sel_w;
	unsigned			use_const_fields;
	unsigned			data_format;
	unsigned			num_format_all;
	unsigned			format_comp_all;
	unsigned			srf_mode_all;
	unsigned			offset;
	unsigned			endian;
};

struct r600_bytecode_output {
	unsigned			array_base;
	unsigned			type;
	unsigned			end_of_program;
	unsigned			inst;
	unsigned			elem_size;
	unsigned			gpr;
	unsigned			swizzle_x;
	unsigned			swizzle_y;
	unsigned			swizzle_z;
	unsigned			swizzle_w;
	unsigned			burst_count;
	unsigned			barrier;
};

struct r600_bytecode_kcache {
	unsigned			bank;
	unsigned			mode;
	unsigned			addr;
};

struct r600_bytecode_cf {
	struct list_head		list;
	unsigned			inst;
	unsigned			addr;
	unsigned			ndw;
	unsigned			id;
	unsigned			cond;
	unsigned			pop_count;
	unsigned			cf_addr; /* control flow addr */
	struct r600_bytecode_kcache		kcache[2];
	unsigned			r6xx_uses_waterfall;
	struct list_head		alu;
	struct list_head		tex;
	struct list_head		vtx;
	struct r600_bytecode_output		output;
	struct r600_bytecode_alu		*curr_bs_head;
	struct r600_bytecode_alu		*prev_bs_head;
	struct r600_bytecode_alu		*prev2_bs_head;
};

#define FC_NONE				0
#define FC_IF				1
#define FC_LOOP				2
#define FC_REP				3
#define FC_PUSH_VPM			4
#define FC_PUSH_WQM			5

struct r600_cf_stack_entry {
	int				type;
	struct r600_bytecode_cf		*start;
	struct r600_bytecode_cf		**mid; /* used to store the else point */
	int				num_mid;
};

#define SQ_MAX_CALL_DEPTH 0x00000020
struct r600_cf_callstack {
	unsigned			fc_sp_before_entry;
	int				sub_desc_index;
	int				current;
	int				max;
};

struct r600_bytecode {
	enum chip_class			chip_class;
	int				type;
	struct list_head		cf;
	struct r600_bytecode_cf		*cf_last;
	unsigned			ndw;
	unsigned			ncf;
	unsigned			ngpr;
	unsigned			nstack;
	unsigned			nresource;
	unsigned			force_add_cf;
	u32				*bytecode;
	u32				fc_sp;
	struct r600_cf_stack_entry	fc_stack[32];
	unsigned			call_sp;
	struct r600_cf_callstack	callstack[SQ_MAX_CALL_DEPTH];
};

/* eg_asm.c */
int eg_bytecode_cf_build(struct r600_bytecode *bc, struct r600_bytecode_cf *cf);

/* r600_asm.c */
void r600_bytecode_init(struct r600_bytecode *bc, enum chip_class chip_class);
void r600_bytecode_clear(struct r600_bytecode *bc);
int r600_bytecode_add_alu(struct r600_bytecode *bc, const struct r600_bytecode_alu *alu);
int r600_bytecode_add_vtx(struct r600_bytecode *bc, const struct r600_bytecode_vtx *vtx);
int r600_bytecode_add_tex(struct r600_bytecode *bc, const struct r600_bytecode_tex *tex);
int r600_bytecode_add_output(struct r600_bytecode *bc, const struct r600_bytecode_output *output);
int r600_bytecode_build(struct r600_bytecode *bc);
int r600_bytecode_add_cfinst(struct r600_bytecode *bc, int inst);
int r600_bytecode_add_alu_type(struct r600_bytecode *bc, const struct r600_bytecode_alu *alu, int type);
void r600_bytecode_special_constants(u32 value, unsigned *sel, unsigned *neg);
void r600_bytecode_dump(struct r600_bytecode *bc);

int cm_bytecode_add_cf_end(struct r600_bytecode *bc);

int r600_vertex_elements_build_fetch_shader(struct r600_pipe_context *rctx, struct r600_vertex_element *ve);

/* r700_asm.c */
void r700_bytecode_cf_vtx_build(uint32_t *bytecode, const struct r600_bytecode_cf *cf);
int r700_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecode_alu *alu, unsigned id);

#endif