[Piglit] [PATCH 1/2] piglit-util-gl: add support for using patches with fixed function attributes
Timothy Arceri
tarceri at itsqueeze.com
Mon May 28 03:22:04 UTC 2018
---
tests/util/piglit-util-gl.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/tests/util/piglit-util-gl.c b/tests/util/piglit-util-gl.c
index 2443be03e..ebd57d77b 100644
--- a/tests/util/piglit-util-gl.c
+++ b/tests/util/piglit-util-gl.c
@@ -684,10 +684,22 @@ piglit_draw_rect_from_arrays(const void *verts, const void *tex,
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
}
- if (instance_count > 1)
- glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, instance_count);
- else
- glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ if (use_patches) {
+ GLint old_patch_vertices;
+
+ glGetIntegerv(GL_PATCH_VERTICES, &old_patch_vertices);
+ glPatchParameteri(GL_PATCH_VERTICES, 4);
+ if (instance_count > 1)
+ glDrawArraysInstanced(GL_PATCHES, 0, 4, instance_count);
+ else
+ glDrawArrays(GL_PATCHES, 0, 4);
+ glPatchParameteri(GL_PATCH_VERTICES, old_patch_vertices);
+ } else {
+ if (instance_count > 1)
+ glDrawArraysInstanced(GL_TRIANGLE_STRIP, 0, 4, instance_count);
+ else
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ }
if (verts)
glDisableClientState(GL_VERTEX_ARRAY);
--
2.17.0
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