/*
* Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
*
* 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 RADEON_CODE_H
#define RADEON_CODE_H
#include <stdint.h>
#define R300_PFS_MAX_ALU_INST 64
#define R300_PFS_MAX_TEX_INST 32
#define R300_PFS_MAX_TEX_INDIRECT 4
#define R300_PFS_NUM_TEMP_REGS 32
#define R300_PFS_NUM_CONST_REGS 32
#define R400_PFS_MAX_ALU_INST 512
#define R400_PFS_MAX_TEX_INST 512
#define R500_PFS_MAX_INST 512
#define R500_PFS_NUM_TEMP_REGS 128
#define R500_PFS_NUM_CONST_REGS 256
#define R500_PFS_MAX_BRANCH_DEPTH_FULL 32
#define R500_PFS_MAX_BRANCH_DEPTH_PARTIAL 4
/* The r500 maximum depth is not just for loops, but any combination of loops
* and subroutine jumps. */
#define R500_PVS_MAX_LOOP_DEPTH 8
#define STATE_R300_WINDOW_DIMENSION (STATE_INTERNAL_DRIVER+0)
enum {
/**
* External constants are constants whose meaning is unknown to this
* compiler. For example, a Mesa gl_program's constants are turned
* into external constants.
*/
RC_CONSTANT_EXTERNAL = 0,
RC_CONSTANT_IMMEDIATE,
/**
* Constant referring to state that is known by this compiler,
* see RC_STATE_xxx, i.e. *not* arbitrary Mesa (or other) state.
*/
RC_CONSTANT_STATE
};
enum {
RC_STATE_SHADOW_AMBIENT = 0,
RC_STATE_R300_WINDOW_DIMENSION,
RC_STATE_R300_TEXRECT_FACTOR,
RC_STATE_R300_TEXSCALE_FACTOR,
RC_STATE_R300_VIEWPORT_SCALE,
RC_STATE_R300_VIEWPORT_OFFSET
};
struct rc_constant {
unsigned Type:2; /**< RC_CONSTANT_xxx */
unsigned Size:3;
union {
unsigned External;
float Immediate[4];
unsigned State[2];
} u;
};
struct rc_constant_list {
struct rc_constant * Constants;
unsigned Count;
unsigned _Reserved;
};
void rc_constants_init(struct rc_constant_list * c);
void rc_constants_copy(struct rc_constant_list * dst, struct rc_constant_list * src);
void rc_constants_destroy(struct rc_constant_list * c);
unsigned rc_constants_add(struct rc_constant_list * c, struct rc_constant * constant);
unsigned rc_constants_add_state(struct rc_constant_list * c, unsigned state1, unsigned state2);
unsigned rc_constants_add_immediate_vec4(struct rc_constant_list * c, const float * data);
unsigned rc_constants_add_immediate_scalar(struct rc_constant_list * c, float data, unsigned * swizzle);
void rc_constants_print(struct rc_constant_list * c);
/**
* Compare functions.
*
* \note By design, RC_COMPARE_FUNC_xxx + GL_NEVER gives you
* the correct GL compare function.
*/
typedef enum {
RC_COMPARE_FUNC_NEVER = 0,
RC_COMPARE_FUNC_LESS,
RC_COMPARE_FUNC_EQUAL,
RC_COMPARE_FUNC_LEQUAL,
RC_COMPARE_FUNC_GREATER,
RC_COMPARE_FUNC_NOTEQUAL,
RC_COMPARE_FUNC_GEQUAL,
RC_COMPARE_FUNC_ALWAYS
} rc_compare_func;
/**
* Coordinate wrapping modes.
*
* These are not quite the same as their GL counterparts yet.
*/
typedef enum {
RC_WRAP_NONE = 0,
RC_WRAP_REPEAT,
RC_WRAP_MIRRORED_REPEAT,
RC_WRAP_MIRRORED_CLAMP
} rc_wrap_mode;
/**
* Stores state that influences the compilation of a fragment program.
*/
struct r300_fragment_program_external_state {
struct {
/**
* This field contains swizzle for some lowering passes
* (shadow comparison, unorm->snorm conversion)
*/
unsigned texture_swizzle:12;
/**
* If the sampler is used as a shadow sampler,
* this field specifies the compare function.
*
* Otherwise, this field is \ref RC_COMPARE_FUNC_NEVER (aka 0).
* \sa rc_compare_func
*/
unsigned texture_compare_func : 3;
/**
* No matter what the sampler type is,
* this field turns it into a shadow sampler.
*/
unsigned compare_mode_enabled : 1;
/**
* If the sampler will receive non-normalized coords,
* this field is set. The scaling factor is given by
* RC_STATE_R300_TEXRECT_FACTOR.
*/
unsigned non_normalized_coords : 1;
/**
* This field specifies wrapping modes for the sampler.
*
* If this field is \ref RC_WRAP_NONE (aka 0), no wrapping maths
* will be performed on the coordinates.
*/
unsigned wrap_mode : 3;
/**
* The coords are scaled after applying the wrap mode emulation
* and right before texture fetch. The scaling factor is given by
* RC_STATE_R300_TEXSCALE_FACTOR. */
unsigned clamp_and_scale_before_fetch : 1;
/**
* Fetch RGTC1_SNORM or LATC1_SNORM as UNORM and convert UNORM -> SNORM
* in the shader.
*/
unsigned convert_unorm_to_snorm:1;
} unit[16];
unsigned alpha_to_one:1;
};
struct r300_fragment_program_node {
int tex_offset; /**< first tex instruction */
int tex_end; /**< last tex instruction, relative to tex_offset */
int alu_offset; /**< first ALU instruction */
int alu_end; /**< last ALU instruction, relative to alu_offset */
int flags;
};
/**
* Stores an R300 fragment program in its compiled-to-hardware form.
*/
struct r300_fragment_program_code {
struct {
unsigned int length; /**< total # of texture instructions used */
uint32_t inst[R400_PFS_MAX_TEX_INST];
} tex;
struct {
unsigned int length; /**< total # of ALU instructions used */
struct {
uint32_t rgb_inst;
uint32_t rgb_addr;
uint32_t alpha_inst;
uint32_t alpha_addr;
uint32_t r400_ext_addr;
} inst[R400_PFS_MAX_ALU_INST];
} alu;
uint32_t config; /* US_CONFIG */
uint32_t pixsize; /* US_PIXSIZE */
uint32_t code_offset; /* US_CODE_OFFSET */
uint32_t r400_code_offset_ext; /* US_CODE_EXT */
uint32_t code_addr[4]; /* US_CODE_ADDR */
/*US_CODE_BANK.R390_MODE: Enables 512 instructions and 64 temporaries
* for r400 cards */
unsigned int r390_mode:1;
};
struct r500_fragment_program_code {
struct {
uint32_t inst0;
uint32_t inst1;
uint32_t inst2;
uint32_t inst3;
uint32_t inst4;
uint32_t inst5;
} inst[R500_PFS_MAX_INST];
int inst_end; /* Number of instructions - 1; also, last instruction to be executed */
int max_temp_idx;
uint32_t us_fc_ctrl;
uint32_t int_constants[32];
uint32_t int_constant_count;
};
struct rX00_fragment_program_code {
union {
struct r300_fragment_program_code r300;
struct r500_fragment_program_code r500;
} code;
unsigned writes_depth:1;
struct rc_constant_list constants;
unsigned *constants_remap_table;
};
#define R300_VS_MAX_ALU 256
#define R300_VS_MAX_ALU_DWORDS (R300_VS_MAX_ALU * 4)
#define R500_VS_MAX_ALU 1024
#define R500_VS_MAX_ALU_DWORDS (R500_VS_MAX_ALU * 4)
#define R300_VS_MAX_TEMPS 32
/* This is the max for all chipsets (r300-r500) */
#define R300_VS_MAX_FC_OPS 16
#define R300_VS_MAX_LOOP_DEPTH 1
#define VSF_MAX_INPUTS 32
#define VSF_MAX_OUTPUTS 32
struct r300_vertex_program_code {
int length;
union {
uint32_t d[R500_VS_MAX_ALU_DWORDS];
float f[R500_VS_MAX_ALU_DWORDS];
} body;
int pos_end;
int num_temporaries; /* Number of temp vars used by program */
int inputs[VSF_MAX_INPUTS];
int outputs[VSF_MAX_OUTPUTS];
struct rc_constant_list constants;
unsigned *constants_remap_table;
uint32_t InputsRead;
uint32_t OutputsWritten;
unsigned int num_fc_ops;
uint32_t fc_ops;
union {
uint32_t r300[R300_VS_MAX_FC_OPS];
struct {
uint32_t lw;
uint32_t uw;
} r500[R300_VS_MAX_FC_OPS];
} fc_op_addrs;
int32_t fc_loop_index[R300_VS_MAX_FC_OPS];
};
#endif /* RADEON_CODE_H */