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/*
* 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
#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 R500_PFS_MAX_INST 512
#define R500_PFS_NUM_TEMP_REGS 128
#define R500_PFS_NUM_CONST_REGS 256
#define STATE_R300_WINDOW_DIMENSION (STATE_INTERNAL_DRIVER+0)
#define STATE_R300_TEXRECT_FACTOR (STATE_INTERNAL_DRIVER+1)
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,
* i.e. *not* arbitrary Mesa (or other) state.
*/
RC_CONSTANT_STATE
};
struct rc_constant {
unsigned Type:2; /**< RC_CONSTANT_xxx */
union {
unsigned External;
float Immediate[4];
unsigned State[4];
} 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);
/**
* Stores state that influences the compilation of a fragment program.
*/
struct r300_fragment_program_external_state {
struct {
/**
* If the sampler is used as a shadow sampler,
* this field is:
* 0 - GL_LUMINANCE
* 1 - GL_INTENSITY
* 2 - GL_ALPHA
* depending on the depth texture mode.
*/
GLuint depth_texture_mode : 2;
/**
* If the sampler is used as a shadow sampler,
* this field is (texture_compare_func - GL_NEVER).
* [e.g. if compare function is GL_LEQUAL, this field is 3]
*
* Otherwise, this field is 0.
*/
GLuint texture_compare_func : 3;
} unit[16];
};
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 {
int length; /**< total # of texture instructions used */
GLuint inst[R300_PFS_MAX_TEX_INST];
} tex;
struct {
int length; /**< total # of ALU instructions used */
struct {
GLuint inst0;
GLuint inst1;
GLuint inst2;
GLuint inst3;
} inst[R300_PFS_MAX_ALU_INST];
} alu;
struct r300_fragment_program_node node[4];
int cur_node;
int first_node_has_tex;
int max_temp_idx;
};
struct r500_fragment_program_code {
struct {
GLuint inst0;
GLuint inst1;
GLuint inst2;
GLuint inst3;
GLuint inst4;
GLuint inst5;
} inst[R500_PFS_MAX_INST];
int inst_offset;
int inst_end;
int max_temp_idx;
};
struct rX00_fragment_program_code {
union {
struct r300_fragment_program_code r300;
struct r500_fragment_program_code r500;
} code;
GLboolean writes_depth;
struct rc_constant_list constants;
/* attribute that we are sending the WPOS in */
gl_frag_attrib wpos_attr;
/* attribute that we are sending the fog coordinate in */
gl_frag_attrib fog_attr;
};
#define VSF_MAX_FRAGMENT_LENGTH (255*4)
#define VSF_MAX_FRAGMENT_TEMPS (14)
struct r300_vertex_program_external_state {
GLuint FpReads;
GLuint FogAttr;
GLuint WPosAttr;
};
struct r300_vertex_program_code {
int length;
union {
GLuint d[VSF_MAX_FRAGMENT_LENGTH];
float f[VSF_MAX_FRAGMENT_LENGTH];
} body;
int pos_end;
int num_temporaries; /* Number of temp vars used by program */
int inputs[VERT_ATTRIB_MAX];
int outputs[VERT_RESULT_MAX];
struct rc_constant_list constants;
GLbitfield InputsRead;
GLbitfield OutputsWritten;
};
#endif /* RADEON_CODE_H */
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