#define TGSI_EXEC_H
#include "pipe/p_compiler.h"
+#include "pipe/p_state.h"
#if defined __cplusplus
extern "C" {
#endif
-#define MAX_LABELS 1024
+#define MAX_LABELS (4 * 1024) /**< basically, max instructions */
#define NUM_CHANNELS 4 /* R,G,B,A */
#define QUAD_SIZE 4 /* 4 pixel/quad */
float dady[NUM_CHANNELS];
};
-
-struct softpipe_tile_cache; /**< Opaque to TGSI */
-
/**
* Information for sampling textures, which must be implemented
* by code outside the TGSI executor.
*/
struct tgsi_sampler
{
- const struct pipe_sampler_state *state;
- struct pipe_texture *texture;
/** Get samples for four fragments in a quad */
void (*get_samples)(struct tgsi_sampler *sampler,
const float s[QUAD_SIZE],
const float p[QUAD_SIZE],
float lodbias,
float rgba[NUM_CHANNELS][QUAD_SIZE]);
- void *pipe; /*XXX temporary*/
- struct softpipe_tile_cache *cache;
};
/**
#define TGSI_EXEC_NUM_TEMPS 128
-#define TGSI_EXEC_NUM_TEMP_EXTRAS 6
#define TGSI_EXEC_NUM_IMMEDIATES 256
/*
#define TGSI_EXEC_MASK_I (TGSI_EXEC_NUM_TEMPS + 3)
#define TGSI_EXEC_MASK_C 2
+/* 4 register buffer for various purposes */
#define TGSI_EXEC_TEMP_R0 (TGSI_EXEC_NUM_TEMPS + 4)
+#define TGSI_EXEC_NUM_TEMP_R 4
+
+#define TGSI_EXEC_TEMP_ADDR (TGSI_EXEC_NUM_TEMPS + 8)
+#define TGSI_EXEC_NUM_ADDRS 1
+
+/* predicate register */
+#define TGSI_EXEC_TEMP_P0 (TGSI_EXEC_NUM_TEMPS + 9)
+#define TGSI_EXEC_NUM_PREDS 1
+
+#define TGSI_EXEC_NUM_TEMP_EXTRAS 10
-#define TGSI_EXEC_TEMP_ADDR (TGSI_EXEC_NUM_TEMPS + 5)
#define TGSI_EXEC_MAX_COND_NESTING 20
#define TGSI_EXEC_MAX_LOOP_NESTING 20
#define TGSI_EXEC_MAX_CALL_NESTING 20
+/* The maximum number of input attributes per vertex. For 2D
+ * input register files, this is the stride between two 1D
+ * arrays.
+ */
+#define TGSI_EXEC_MAX_INPUT_ATTRIBS 17
+
+/* The maximum number of constant vectors per constant buffer.
+ */
+#define TGSI_EXEC_MAX_CONST_BUFFER 4096
+
+
+/** function call/activation record */
+struct tgsi_call_record
+{
+ uint CondStackTop;
+ uint LoopStackTop;
+ uint ContStackTop;
+ uint ReturnAddr;
+};
+
+
/**
* Run-time virtual machine state for executing TGSI shader.
*/
struct tgsi_exec_machine
{
/* Total = program temporaries + internal temporaries
- * + 1 padding to align to 16 bytes
*/
- struct tgsi_exec_vector _Temps[TGSI_EXEC_NUM_TEMPS +
- TGSI_EXEC_NUM_TEMP_EXTRAS + 1];
+ struct tgsi_exec_vector Temps[TGSI_EXEC_NUM_TEMPS +
+ TGSI_EXEC_NUM_TEMP_EXTRAS];
+
+ float Imms[TGSI_EXEC_NUM_IMMEDIATES][4];
+
+ struct tgsi_exec_vector Inputs[PIPE_MAX_ATTRIBS];
+ struct tgsi_exec_vector Outputs[PIPE_MAX_ATTRIBS];
- /*
- * This will point to _Temps after aligning to 16B boundary.
- */
- struct tgsi_exec_vector *Temps;
struct tgsi_exec_vector *Addrs;
- struct tgsi_sampler *Samplers;
+ struct tgsi_sampler **Samplers;
- float Imms[TGSI_EXEC_NUM_IMMEDIATES][4];
unsigned ImmLimit;
const float (*Consts)[4];
- struct tgsi_exec_vector *Inputs;
- struct tgsi_exec_vector *Outputs;
- const struct tgsi_token *Tokens;
- unsigned Processor;
+ const struct tgsi_token *Tokens; /**< Declarations, instructions */
+ unsigned Processor; /**< TGSI_PROCESSOR_x */
/* GEOMETRY processor only. */
unsigned *Primitives;
uint LoopStack[TGSI_EXEC_MAX_LOOP_NESTING];
int LoopStackTop;
+ /** Loop label stack */
+ uint LoopLabelStack[TGSI_EXEC_MAX_LOOP_NESTING];
+ int LoopLabelStackTop;
+
+ /** Loop counter stack (x = count, y = current, z = step) */
+ struct tgsi_exec_vector LoopCounterStack[TGSI_EXEC_MAX_LOOP_NESTING];
+ int LoopCounterStackTop;
+
/** Loop continue mask stack (see comments in tgsi_exec.c) */
uint ContStack[TGSI_EXEC_MAX_LOOP_NESTING];
int ContStackTop;
int FuncStackTop;
/** Function call stack for saving/restoring the program counter */
- uint CallStack[TGSI_EXEC_MAX_CALL_NESTING];
+ struct tgsi_call_record CallStack[TGSI_EXEC_MAX_CALL_NESTING];
int CallStackTop;
struct tgsi_full_instruction *Instructions;
struct tgsi_exec_labels Labels;
};
+struct tgsi_exec_machine *
+tgsi_exec_machine_create( void );
+
void
-tgsi_exec_machine_init(
- struct tgsi_exec_machine *mach );
+tgsi_exec_machine_destroy(struct tgsi_exec_machine *mach);
void
struct tgsi_exec_machine *mach,
const struct tgsi_token *tokens,
uint numSamplers,
- struct tgsi_sampler *samplers);
+ struct tgsi_sampler **samplers);
uint
tgsi_exec_machine_run(
tgsi_exec_machine_free_data(struct tgsi_exec_machine *mach);
+boolean
+tgsi_check_soa_dependencies(const struct tgsi_full_instruction *inst);
+
+
static INLINE void
tgsi_set_kill_mask(struct tgsi_exec_machine *mach, unsigned mask)
{