*
* Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
+ * Copyright 2009-2010 VMware, Inc. All rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
extern "C" {
#endif
-#define MAX_LABELS (4 * 1024) /**< basically, max instructions */
#define NUM_CHANNELS 4 /* R,G,B,A */
#define QUAD_SIZE 4 /* 4 pixel/quad */
+
/**
* Registers may be treated as float, signed int or unsigned int.
*/
float dady[NUM_CHANNELS];
};
+enum tgsi_sampler_control {
+ tgsi_sampler_lod_bias,
+ tgsi_sampler_lod_explicit
+};
+
/**
* Information for sampling textures, which must be implemented
* by code outside the TGSI executor.
const float s[QUAD_SIZE],
const float t[QUAD_SIZE],
const float p[QUAD_SIZE],
- float lodbias,
+ const float c0[QUAD_SIZE],
+ enum tgsi_sampler_control control,
float rgba[NUM_CHANNELS][QUAD_SIZE]);
};
-/**
- * For branching/calling subroutines.
- */
-struct tgsi_exec_labels
-{
- unsigned labels[MAX_LABELS][2];
- unsigned count;
-};
-
-
#define TGSI_EXEC_NUM_TEMPS 128
#define TGSI_EXEC_NUM_IMMEDIATES 256
+#define TGSI_EXEC_NUM_TEMP_ARRAYS 8
/*
* Locations of various utility registers (_I = Index, _C = Channel)
-#define TGSI_EXEC_MAX_COND_NESTING 32
-#define TGSI_EXEC_MAX_LOOP_NESTING 32
-#define TGSI_EXEC_MAX_CALL_NESTING 32
+#define TGSI_EXEC_MAX_NESTING 32
+#define TGSI_EXEC_MAX_COND_NESTING TGSI_EXEC_MAX_NESTING
+#define TGSI_EXEC_MAX_LOOP_NESTING TGSI_EXEC_MAX_NESTING
+#define TGSI_EXEC_MAX_SWITCH_NESTING TGSI_EXEC_MAX_NESTING
+#define TGSI_EXEC_MAX_CALL_NESTING TGSI_EXEC_MAX_NESTING
/* The maximum number of input attributes per vertex. For 2D
* input register files, this is the stride between two 1D
*/
#define TGSI_EXEC_MAX_CONST_BUFFER 4096
+/* The maximum number of vertices per primitive */
+#define TGSI_MAX_PRIM_VERTICES 6
+
+/* The maximum number of primitives to be generated */
+#define TGSI_MAX_PRIMITIVES 64
+
+/* The maximum total number of vertices */
+#define TGSI_MAX_TOTAL_VERTICES (TGSI_MAX_PRIM_VERTICES * TGSI_MAX_PRIMITIVES * PIPE_MAX_ATTRIBS)
/** function call/activation record */
struct tgsi_call_record
uint CondStackTop;
uint LoopStackTop;
uint ContStackTop;
+ int SwitchStackTop;
+ int BreakStackTop;
uint ReturnAddr;
};
+/* Switch-case block state. */
+struct tgsi_switch_record {
+ uint mask; /**< execution mask */
+ union tgsi_exec_channel selector; /**< a value case statements are compared to */
+ uint defaultMask; /**< non-execute mask for default case */
+};
+
+
+enum tgsi_break_type {
+ TGSI_EXEC_BREAK_INSIDE_LOOP,
+ TGSI_EXEC_BREAK_INSIDE_SWITCH
+};
+
+
+#define TGSI_EXEC_MAX_BREAK_STACK (TGSI_EXEC_MAX_LOOP_NESTING + TGSI_EXEC_MAX_SWITCH_NESTING)
+
+
/**
* Run-time virtual machine state for executing TGSI shader.
*/
*/
struct tgsi_exec_vector Temps[TGSI_EXEC_NUM_TEMPS +
TGSI_EXEC_NUM_TEMP_EXTRAS];
+ struct tgsi_exec_vector TempArray[TGSI_EXEC_NUM_TEMP_ARRAYS][TGSI_EXEC_NUM_TEMPS];
float Imms[TGSI_EXEC_NUM_IMMEDIATES][4];
- struct tgsi_exec_vector Inputs[PIPE_MAX_ATTRIBS];
- struct tgsi_exec_vector Outputs[PIPE_MAX_ATTRIBS];
+ float ImmArray[TGSI_EXEC_NUM_IMMEDIATES][4];
+
+ struct tgsi_exec_vector Inputs[TGSI_MAX_PRIM_VERTICES * PIPE_MAX_ATTRIBS];
+ struct tgsi_exec_vector Outputs[TGSI_MAX_TOTAL_VERTICES];
struct tgsi_exec_vector *Addrs;
struct tgsi_exec_vector *Predicates;
struct tgsi_sampler **Samplers;
unsigned ImmLimit;
- const float (*Consts)[4];
+
+ const void *Consts[PIPE_MAX_CONSTANT_BUFFERS];
+ unsigned ConstsSize[PIPE_MAX_CONSTANT_BUFFERS];
+
const struct tgsi_token *Tokens; /**< Declarations, instructions */
unsigned Processor; /**< TGSI_PROCESSOR_x */
/* GEOMETRY processor only. */
unsigned *Primitives;
+ unsigned NumOutputs;
+ unsigned MaxGeometryShaderOutputs;
/* FRAGMENT processor only. */
const struct tgsi_interp_coef *InterpCoefs;
uint FuncMask; /**< For function calls */
uint ExecMask; /**< = CondMask & LoopMask */
+ /* Current switch-case state. */
+ struct tgsi_switch_record Switch;
+
+ /* Current break type. */
+ enum tgsi_break_type BreakType;
+
/** Condition mask stack (for nested conditionals) */
uint CondStack[TGSI_EXEC_MAX_COND_NESTING];
int CondStackTop;
uint LoopLabelStack[TGSI_EXEC_MAX_LOOP_NESTING];
int LoopLabelStackTop;
- /** Loop counter stack (x = index, y = counter, 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;
+ /** Switch case stack */
+ struct tgsi_switch_record SwitchStack[TGSI_EXEC_MAX_SWITCH_NESTING];
+ int SwitchStackTop;
+
+ enum tgsi_break_type BreakStack[TGSI_EXEC_MAX_BREAK_STACK];
+ int BreakStackTop;
+
/** Function execution mask stack (for executing subroutine code) */
uint FuncStack[TGSI_EXEC_MAX_CALL_NESTING];
int FuncStackTop;
struct tgsi_full_declaration *Declarations;
uint NumDeclarations;
- struct tgsi_exec_labels Labels;
};
struct tgsi_exec_machine *
}
+extern void
+tgsi_exec_set_constant_buffers(struct tgsi_exec_machine *mach,
+ unsigned num_bufs,
+ const void **bufs,
+ const unsigned *buf_sizes);
+
+
#if defined __cplusplus
} /* extern "C" */
#endif
projects / mesa.git / blobdiff