summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pipe_pstipple.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_pstipple.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
index 0cc2b71864..d0d99aa331 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
@@ -37,6 +37,7 @@
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_shader_tokens.h"
+#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_math.h"
@@ -49,6 +50,9 @@
#include "draw_pipe.h"
+/** Approx number of new tokens for instructions in pstip_transform_inst() */
+#define NUM_NEW_TOKENS 50
+
/**
* Subclass of pipe_shader_state to carry extra fragment shader info.
@@ -171,12 +175,7 @@ pstip_transform_immed(struct tgsi_transform_context *ctx,
static int
free_bit(uint bitfield)
{
- int i;
- for (i = 0; i < 32; i++) {
- if ((bitfield & (1 << i)) == 0)
- return i;
- }
- return -1;
+ return ffs(~bitfield) - 1;
}
@@ -332,11 +331,10 @@ generate_pstip_fs(struct pstip_stage *pstip)
/*struct draw_context *draw = pstip->stage.draw;*/
struct pipe_shader_state pstip_fs;
struct pstip_transform_context transform;
-
-#define MAX 1000
+ const uint newLen = tgsi_num_tokens(orig_fs->tokens) + NUM_NEW_TOKENS;
pstip_fs = *orig_fs; /* copy to init */
- pstip_fs.tokens = MALLOC(sizeof(struct tgsi_token) * MAX);
+ pstip_fs.tokens = tgsi_alloc_tokens(newLen);
if (pstip_fs.tokens == NULL)
return FALSE;
@@ -351,7 +349,7 @@ generate_pstip_fs(struct pstip_stage *pstip)
tgsi_transform_shader(orig_fs->tokens,
(struct tgsi_token *) pstip_fs.tokens,
- MAX, &transform.base);
+ newLen, &transform.base);
#if 0 /* DEBUG */
tgsi_dump(orig_fs->tokens, 0);