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authorKeith Whitwell <keith@tungstengraphics.com>2004-01-12 23:21:54 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2004-01-12 23:21:54 +0000
commit8bec7c09bbe3a22109f97312ca2cc4e46da282a1 (patch)
treef56180c94f76ad27c98d9071e3a4e80e076e9133 /src/mesa
parent553a8e0e7b0e8ec2f208a582c6e644cd340dba53 (diff)
Don't call _tnl_draw_range_elements() unless start == 0.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/tnl/t_array_api.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/src/mesa/tnl/t_array_api.c b/src/mesa/tnl/t_array_api.c
index 4322419eff..818a15b6b8 100644
--- a/src/mesa/tnl/t_array_api.c
+++ b/src/mesa/tnl/t_array_api.c
@@ -103,9 +103,13 @@ static void _tnl_draw_range_elements( GLcontext *ctx, GLenum mode,
tnl->vb.Elts = (GLuint *)indices;
+ assert (start == 0);
+
+/* XXX - indices may be read only
if (start)
for (i = 0 ; i < count ; i++)
indices[i] -= start;
+*/
if (ctx->Array.LockCount)
tnl->Driver.RunPipeline( ctx );
@@ -122,9 +126,11 @@ static void _tnl_draw_range_elements( GLcontext *ctx, GLenum mode,
tnl->pipeline.run_input_changes |= enabledArrays;
}
+/* XXX - indices may be read only
if (start)
for (i = 0 ; i < count ; i++)
indices[i] += start;
+*/
}
@@ -335,7 +341,8 @@ _tnl_DrawRangeElements(GLenum mode,
/* Are the arrays already locked? If so we currently have to look
* at the whole locked range.
*/
- if (start >= ctx->Array.LockFirst && end <= ctx->Array.LockCount)
+ if (start == 0 &&
+ start >= ctx->Array.LockFirst && end <= ctx->Array.LockCount)
_tnl_draw_range_elements( ctx, mode,
ctx->Array.LockFirst,
ctx->Array.LockCount,
@@ -356,7 +363,8 @@ _tnl_DrawRangeElements(GLenum mode,
"elements outside locked range.");
}
}
- else if (end - start + 1 <= ctx->Const.MaxArrayLockSize) {
+ else if (start == 0 &&
+ end - start + 1 <= ctx->Const.MaxArrayLockSize) {
/* The arrays aren't locked but we can still fit them inside a
* single vertexbuffer.
*/
@@ -400,7 +408,8 @@ _tnl_DrawElements(GLenum mode, GLsizei count, GLenum type,
assert(!ctx->CompileFlag);
- if (ctx->Array.LockCount) {
+ if (ctx->Array.LockFirst == 0 &&
+ ctx->Array.LockCount) {
_tnl_draw_range_elements( ctx, mode,
ctx->Array.LockFirst,
ctx->Array.LockCount,