Mesa (master): draw: remove old hard-coded shader length limits

[Brian Paul]

Module: Mesa
Branch: master
Commit: 6f2e9651a1a460a1f564d30844cb2c9bced71da5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6f2e9651a1a460a1f564d30844cb2c9bced71da5

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Feb  2 21:34:06 2010 -0700

draw: remove old hard-coded shader length limits

---

 src/gallium/auxiliary/draw/draw_pipe_aaline.c   |   11 +++++++----
 src/gallium/auxiliary/draw/draw_pipe_aapoint.c  |   11 +++++++----
 src/gallium/auxiliary/draw/draw_pipe_pstipple.c |   10 ++++++----
 3 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_pipe_aaline.c b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
index 54bb9d4..d254e9d 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aaline.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
@@ -48,6 +48,10 @@
 #include "draw_pipe.h"
 
 
+/** Approx number of new tokens for instructions in aa_transform_inst() */
+#define NUM_NEW_TOKENS 50
+
+
 /**
  * Max texture level for the alpha texture used for antialiasing
  */
@@ -337,11 +341,10 @@ generate_aaline_fs(struct aaline_stage *aaline)
    const struct pipe_shader_state *orig_fs = &aaline->fs->state;
    struct pipe_shader_state aaline_fs;
    struct aa_transform_context transform;
-
-#define MAX 1000
+   const uint newLen = tgsi_num_tokens(orig_fs->tokens) + NUM_NEW_TOKENS;
 
    aaline_fs = *orig_fs; /* copy to init */
-   aaline_fs.tokens = MALLOC(sizeof(struct tgsi_token) * MAX);
+   aaline_fs.tokens = tgsi_alloc_tokens(newLen);
    if (aaline_fs.tokens == NULL)
       return FALSE;
 
@@ -357,7 +360,7 @@ generate_aaline_fs(struct aaline_stage *aaline)
 
    tgsi_transform_shader(orig_fs->tokens,
                          (struct tgsi_token *) aaline_fs.tokens,
-                         MAX, &transform.base);
+                         newLen, &transform.base);
 
 #if 0 /* DEBUG */
    tgsi_dump(orig_fs->tokens, 0);
diff --git a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
index f8b3439..97f3480 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
@@ -53,6 +53,10 @@
 #include "draw_pipe.h"
 
 
+/** Approx number of new tokens for instructions in aa_transform_inst() */
+#define NUM_NEW_TOKENS 200
+
+
 /*
  * Enabling NORMALIZE might give _slightly_ better results.
  * Basically, it controls whether we compute distance as d=sqrt(x*x+y*y) or
@@ -494,11 +498,10 @@ generate_aapoint_fs(struct aapoint_stage *aapoint)
    const struct pipe_shader_state *orig_fs = &aapoint->fs->state;
    struct pipe_shader_state aapoint_fs;
    struct aa_transform_context transform;
-
-#define MAX 1000
+   const uint newLen = tgsi_num_tokens(orig_fs->tokens) + NUM_NEW_TOKENS;
 
    aapoint_fs = *orig_fs; /* copy to init */
-   aapoint_fs.tokens = MALLOC(sizeof(struct tgsi_token) * MAX);
+   aapoint_fs.tokens = tgsi_alloc_tokens(newLen);
    if (aapoint_fs.tokens == NULL)
       return FALSE;
 
@@ -514,7 +517,7 @@ generate_aapoint_fs(struct aapoint_stage *aapoint)
 
    tgsi_transform_shader(orig_fs->tokens,
                          (struct tgsi_token *) aapoint_fs.tokens,
-                         MAX, &transform.base);
+                         newLen, &transform.base);
 
 #if 0 /* DEBUG */
    printf("draw_aapoint, orig shader:\n");
diff --git a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
index 5f5db7e..69d122a 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
@@ -49,6 +49,9 @@
 #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.
@@ -327,11 +330,10 @@ 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;
 
@@ -346,7 +348,7 @@ 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);