On 14/04/17 05:29, Nicolai Hähnle wrote:
From: Nicolai Hähnle <nicolai.haeh...@amd.com>
Found by inspection.
Nice find. It seems to have broken July 2016 with 23b2bcd460c5e91 so
maybe CC stable?
Reviewed-by: Timothy Arceri <tarc...@itsqueeze.com>
---
src/mesa/main/api_validate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
index af4f7cb..8f83432 100644
--- a/src/mesa/main/api_validate.c
+++ b/src/mesa/main/api_validate.c
@@ -858,21 +858,21 @@ validate_draw_arrays(struct gl_context *ctx, const char
*func,
* RESOLVED: Yes. Because dynamic geometry amplification in a geometry
* shader can make it difficult if not impossible to predict the amount
* of geometry that may be generated in advance of executing the shader,
* the draw-time error for transform feedback buffer overflow conditions
* is removed and replaced with the GL behavior (primitives are not
* written and the corresponding counter is not updated)..."
*/
if (_mesa_is_gles3(ctx) && _mesa_is_xfb_active_and_unpaused(ctx) &&
!_mesa_has_OES_geometry_shader(ctx) &&
!_mesa_has_OES_tessellation_shader(ctx)) {
- size_t prim_count = vbo_count_tessellated_primitives(mode, count, 1);
+ size_t prim_count = vbo_count_tessellated_primitives(mode, count,
numInstances);
if (xfb_obj->GlesRemainingPrims < prim_count) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"%s(exceeds transform feedback size)", func);
return false;
}
xfb_obj->GlesRemainingPrims -= prim_count;
}
if (count == 0)
return false;
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