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Don't call _tnl_draw_range_elements() unless start == 0.

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This commit is contained in:
Keith Whitwell 2004-01-12 23:21:54 +00:00
parent 553a8e0e7b
commit 8bec7c09bb
1 changed files with 12 additions and 3 deletions
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15
src/mesa/tnl/t_array_api.c
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@ -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,