Merge branch 'mesa_7_7_branch'

[mesa.git] / src / gallium / auxiliary / tgsi / tgsi_exec.h

diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index c72f76809d4873c4b88daf53123251aeb7cd43f1..fd94c1bc44005fb4cc82e5e1a7c46d6d986418a8 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -168,13 +168,18 @@ struct tgsi_exec_labels
 
 #define TGSI_EXEC_TEMP_ADDR         (TGSI_EXEC_NUM_TEMPS + 8)
 #define TGSI_EXEC_NUM_ADDRS         1
-#define TGSI_EXEC_NUM_TEMP_EXTRAS   9
 
+/* 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_MAX_COND_NESTING  20
-#define TGSI_EXEC_MAX_LOOP_NESTING  20
-#define TGSI_EXEC_MAX_CALL_NESTING  20
+
+
+#define TGSI_EXEC_MAX_COND_NESTING  32
+#define TGSI_EXEC_MAX_LOOP_NESTING  32
+#define TGSI_EXEC_MAX_CALL_NESTING  32
 
 /* The maximum number of input attributes per vertex. For 2D
  * input register files, this is the stride between two 1D
@@ -213,6 +218,7 @@ struct tgsi_exec_machine
    struct tgsi_exec_vector       Outputs[PIPE_MAX_ATTRIBS];
 
    struct tgsi_exec_vector       *Addrs;
+   struct tgsi_exec_vector       *Predicates;
 
    struct tgsi_sampler           **Samplers;
 
@@ -227,6 +233,7 @@ struct tgsi_exec_machine
    /* FRAGMENT processor only. */
    const struct tgsi_interp_coef *InterpCoefs;
    struct tgsi_exec_vector       QuadPos;
+   float                         Face;    /**< +1 if front facing, -1 if back facing */
 
    /* Conditional execution masks */
    uint CondMask;  /**< For IF/ELSE/ENDIF */
@@ -247,7 +254,7 @@ struct tgsi_exec_machine
    uint LoopLabelStack[TGSI_EXEC_MAX_LOOP_NESTING];
    int LoopLabelStackTop;
 
-   /** Loop counter stack (x = count, y = current, z = step) */
+   /** Loop counter stack (x = index, y = counter, z = step) */
    struct tgsi_exec_vector LoopCounterStack[TGSI_EXEC_MAX_LOOP_NESTING];
    int LoopCounterStackTop;