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#if !defined TGSI_EXEC_H
#define TGSI_EXEC_H
#include "pipe/p_compiler.h"
#if defined __cplusplus
extern "C" {
#endif // defined __cplusplus
#define NUM_CHANNELS 4 /* R,G,B,A */
#define QUAD_SIZE 4 /* 4 pixel/quad */
union tgsi_exec_channel
{
float f[QUAD_SIZE];
int i[QUAD_SIZE];
unsigned u[QUAD_SIZE];
};
struct tgsi_exec_vector
{
union tgsi_exec_channel xyzw[NUM_CHANNELS];
};
struct tgsi_interp_coef
{
float a0[NUM_CHANNELS]; /* in an xyzw layout */
float dadx[NUM_CHANNELS];
float dady[NUM_CHANNELS];
};
#define TEX_CACHE_TILE_SIZE 8
#define TEX_CACHE_NUM_ENTRIES 8
struct tgsi_texture_cache_entry
{
int x, y, face, level, zslice;
float data[TEX_CACHE_TILE_SIZE][TEX_CACHE_TILE_SIZE][4];
};
struct tgsi_sampler
{
const struct pipe_sampler_state *state;
struct pipe_mipmap_tree *texture;
/** Get samples for four fragments in a quad */
void (*get_samples)(struct tgsi_sampler *sampler,
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
float lodbias,
float rgba[NUM_CHANNELS][QUAD_SIZE]);
void *pipe; /*XXX temporary*/
struct tgsi_texture_cache_entry cache[TEX_CACHE_NUM_ENTRIES];
};
struct tgsi_exec_labels
{
unsigned labels[128][2];
unsigned count;
};
#define TGSI_EXEC_TEMP_00000000_I 32
#define TGSI_EXEC_TEMP_00000000_C 0
#define TGSI_EXEC_TEMP_7FFFFFFF_I 32
#define TGSI_EXEC_TEMP_7FFFFFFF_C 1
#define TGSI_EXEC_TEMP_80000000_I 32
#define TGSI_EXEC_TEMP_80000000_C 2
#define TGSI_EXEC_TEMP_FFFFFFFF_I 32
#define TGSI_EXEC_TEMP_FFFFFFFF_C 3
#define TGSI_EXEC_TEMP_ONE_I 33
#define TGSI_EXEC_TEMP_ONE_C 0
#define TGSI_EXEC_TEMP_TWO_I 33
#define TGSI_EXEC_TEMP_TWO_C 1
#define TGSI_EXEC_TEMP_128_I 33
#define TGSI_EXEC_TEMP_128_C 2
#define TGSI_EXEC_TEMP_MINUS_128_I 33
#define TGSI_EXEC_TEMP_MINUS_128_C 3
#define TGSI_EXEC_TEMP_KILMASK_I 34
#define TGSI_EXEC_TEMP_KILMASK_C 0
#define TGSI_EXEC_TEMP_OUTPUT_I 34
#define TGSI_EXEC_TEMP_OUTPUT_C 1
#define TGSI_EXEC_TEMP_PRIMITIVE_I 34
#define TGSI_EXEC_TEMP_PRIMITIVE_C 2
#define TGSI_EXEC_TEMP_R0 35
#define TGSI_EXEC_NUM_TEMPS (32 + 4)
#define TGSI_EXEC_NUM_ADDRS 1
/* XXX: This is temporary */
struct tgsi_exec_cond_regs
{
struct tgsi_exec_vector TempsAddrs[TGSI_EXEC_NUM_TEMPS + TGSI_EXEC_NUM_ADDRS];
struct tgsi_exec_vector Outputs[2]; /* XXX: That's just enough for fragment shader only! */
};
/* XXX: This is temporary */
struct tgsi_exec_cond_state
{
struct tgsi_exec_cond_regs IfPortion;
struct tgsi_exec_cond_regs ElsePortion;
unsigned Condition;
boolean WasElse;
};
/* XXX: This is temporary */
struct tgsi_exec_cond_stack
{
struct tgsi_exec_cond_state States[8];
unsigned Index; /* into States[] */
};
struct tgsi_exec_machine
{
/*
* 32 program temporaries
* 4 internal temporaries
* 1 address
* 1 temporary of padding to align to 16 bytes
*/
struct tgsi_exec_vector _Temps[TGSI_EXEC_NUM_TEMPS + TGSI_EXEC_NUM_ADDRS + 1];
/*
* This will point to _Temps after aligning to 16B boundary.
*/
struct tgsi_exec_vector *Temps;
struct tgsi_exec_vector *Addrs;
struct tgsi_sampler *Samplers;
float Imms[256][4];
unsigned ImmLimit;
float (*Consts)[4];
struct tgsi_exec_vector *Inputs;
struct tgsi_exec_vector *Outputs;
const struct tgsi_token *Tokens;
unsigned Processor;
/* GEOMETRY processor only. */
unsigned *Primitives;
/* FRAGMENT processor only. */
const struct tgsi_interp_coef *InterpCoefs;
struct tgsi_exec_cond_stack CondStack;
};
void
tgsi_exec_machine_init(
struct tgsi_exec_machine *mach,
const struct tgsi_token *tokens,
unsigned numSamplers,
struct tgsi_sampler *samplers);
void
tgsi_exec_prepare(
struct tgsi_exec_machine *mach,
struct tgsi_exec_labels *labels );
void
tgsi_exec_machine_run(
struct tgsi_exec_machine *mach );
void
tgsi_exec_machine_run2(
struct tgsi_exec_machine *mach,
struct tgsi_exec_labels *labels );
#if defined __cplusplus
} // extern "C"
#endif // defined __cplusplus
#endif // !defined TGSI_EXEC_H
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