All but two cases of the switch did the same n += InstSize[n[0].opcode]
instruction. Just move it after the switch.
Add some sanity check assertions.
---
src/mesa/main/dlist.c | 39 +++++++++++----------------------------
1 file changed, 11 insertions(+), 28 deletions(-)
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index a6b212e..7b8e0f6 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -961,79 +961,60 @@ _mesa_delete_list(struct gl_context *ctx, struct
gl_display_list *dlist)
/* for some commands, we need to free malloc'd memory */
case OPCODE_MAP1:
free(get_pointer(&n[6]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_MAP2:
free(get_pointer(&n[10]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_CALL_LISTS:
free(get_pointer(&n[3]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_DRAW_PIXELS:
free(get_pointer(&n[5]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_BITMAP:
free(get_pointer(&n[7]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_POLYGON_STIPPLE:
free(get_pointer(&n[1]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_IMAGE1D:
free(get_pointer(&n[8]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_IMAGE2D:
free(get_pointer(&n[9]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_IMAGE3D:
free(get_pointer(&n[10]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_SUB_IMAGE1D:
free(get_pointer(&n[7]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_SUB_IMAGE2D:
free(get_pointer(&n[9]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_TEX_SUB_IMAGE3D:
free(get_pointer(&n[11]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_IMAGE_1D:
free(get_pointer(&n[7]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_IMAGE_2D:
free(get_pointer(&n[8]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_IMAGE_3D:
free(get_pointer(&n[9]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_SUB_IMAGE_1D:
free(get_pointer(&n[7]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_SUB_IMAGE_2D:
free(get_pointer(&n[9]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_COMPRESSED_TEX_SUB_IMAGE_3D:
free(get_pointer(&n[11]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_PROGRAM_STRING_ARB:
free(get_pointer(&n[4])); /* program string */
- n += InstSize[n[0].opcode];
break;
case OPCODE_UNIFORM_1FV:
case OPCODE_UNIFORM_2FV:
@@ -1048,7 +1029,6 @@ _mesa_delete_list(struct gl_context *ctx, struct
gl_display_list *dlist)
case OPCODE_UNIFORM_3UIV:
case OPCODE_UNIFORM_4UIV:
free(get_pointer(&n[3]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_UNIFORM_MATRIX22:
case OPCODE_UNIFORM_MATRIX33:
@@ -1060,7 +1040,6 @@ _mesa_delete_list(struct gl_context *ctx, struct
gl_display_list *dlist)
case OPCODE_UNIFORM_MATRIX34:
case OPCODE_UNIFORM_MATRIX43:
free(get_pointer(&n[4]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_PROGRAM_UNIFORM_1FV:
case OPCODE_PROGRAM_UNIFORM_2FV:
@@ -1075,7 +1054,6 @@ _mesa_delete_list(struct gl_context *ctx, struct
gl_display_list *dlist)
case OPCODE_PROGRAM_UNIFORM_3UIV:
case OPCODE_PROGRAM_UNIFORM_4UIV:
free(get_pointer(&n[4]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_PROGRAM_UNIFORM_MATRIX22F:
case OPCODE_PROGRAM_UNIFORM_MATRIX33F:
@@ -1087,15 +1065,12 @@ _mesa_delete_list(struct gl_context *ctx, struct
gl_display_list *dlist)
case OPCODE_PROGRAM_UNIFORM_MATRIX34F:
case OPCODE_PROGRAM_UNIFORM_MATRIX43F:
free(get_pointer(&n[5]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_PIXEL_MAP:
free(get_pointer(&n[3]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_WINDOW_RECTANGLES:
free(get_pointer(&n[3]));
- n += InstSize[n[0].opcode];
break;
case OPCODE_CONTINUE:
n = (Node *) get_pointer(&n[1]);
@@ -1107,9 +1082,13 @@ _mesa_delete_list(struct gl_context *ctx, struct
gl_display_list *dlist)
done = GL_TRUE;
break;
default:
- /* Most frequent case */
- n += InstSize[n[0].opcode];
- break;
+ /* just increment 'n' pointer, below */
+ ;
+ }
+
+ if (opcode != OPCODE_CONTINUE && opcode != OPCODE_END_OF_LIST) {
+ assert(InstSize[opcode] > 0);
+ n += InstSize[opcode];
}
}
}
@@ -1325,6 +1304,8 @@ dlist_alloc(struct gl_context *ctx, OpCode opcode, GLuint
bytes, bool align8)
GLuint nopNode;
Node *n;
+ assert(bytes <= BLOCK_SIZE * sizeof(Node));
+
if (opcode < OPCODE_EXT_0) {
if (InstSize[opcode] == 0) {
/* save instruction size now */
@@ -9177,6 +9158,7 @@ execute_list(struct gl_context *ctx, GLuint list)
/* increment n to point to next compiled command */
if (opcode != OPCODE_CONTINUE) {
+ assert(InstSize[opcode] > 0);
n += InstSize[opcode];
}
}
@@ -10385,6 +10367,7 @@ print_list(struct gl_context *ctx, GLuint list, const
char *fname)
}
/* increment n to point to next compiled command */
if (opcode != OPCODE_CONTINUE) {
+ assert(InstSize[opcode] > 0);
n += InstSize[opcode];
}
}
--
2.7.4
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