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authorMichal Krol <[email protected]>2010-01-05 11:04:50 +0100
committerMichal Krol <[email protected]>2010-01-05 11:04:50 +0100
commit9b21b3c52a8a7d58d08151d1a6bf25c472dec213 (patch)
treed9083b6af4e2e9b70a7fa6cd31bac45a36e0f6b6 /src/gallium/auxiliary/tgsi/tgsi_exec.h
parent543b9566bdaa48fea2df1866fa1310c1cdbcde27 (diff)
parent1f9aa38f4e2be47229d92be2c1189c2b8d9c7133 (diff)
Merge branch 'master' into instanced-arrays
Conflicts: src/gallium/auxiliary/tgsi/tgsi_dump.c src/gallium/include/pipe/p_shader_tokens.h
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_exec.h')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.h47
1 files changed, 45 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index fd94c1bc440..aa3a98d7f18 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -179,6 +179,7 @@ struct tgsi_exec_labels
#define TGSI_EXEC_MAX_COND_NESTING 32
#define TGSI_EXEC_MAX_LOOP_NESTING 32
+#define TGSI_EXEC_MAX_SWITCH_NESTING 32
#define TGSI_EXEC_MAX_CALL_NESTING 32
/* The maximum number of input attributes per vertex. For 2D
@@ -191,6 +192,14 @@ struct tgsi_exec_labels
*/
#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
@@ -198,10 +207,29 @@ 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.
*/
@@ -214,8 +242,8 @@ struct tgsi_exec_machine
float Imms[TGSI_EXEC_NUM_IMMEDIATES][4];
- struct tgsi_exec_vector Inputs[PIPE_MAX_ATTRIBS];
- struct tgsi_exec_vector Outputs[PIPE_MAX_ATTRIBS];
+ 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;
@@ -229,6 +257,8 @@ struct tgsi_exec_machine
/* GEOMETRY processor only. */
unsigned *Primitives;
+ unsigned NumOutputs;
+ unsigned MaxGeometryShaderOutputs;
/* FRAGMENT processor only. */
const struct tgsi_interp_coef *InterpCoefs;
@@ -242,6 +272,12 @@ struct tgsi_exec_machine
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;
@@ -262,6 +298,13 @@ struct tgsi_exec_machine
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;