This test has a hard-coded array of expected results which assume
a 64 x 32 window. Now the window size can be anything but we
explicitly set up the projection matrix for a 64 x 32 region.
---
tests/spec/ext_transform_feedback/interleaved.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/tests/spec/ext_transform_feedback/interleaved.c
b/tests/spec/ext_transform_feedback/interleaved.c
index ad7c7f9..d061344 100644
--- a/tests/spec/ext_transform_feedback/interleaved.c
+++ b/tests/spec/ext_transform_feedback/interleaved.c
@@ -32,9 +32,6 @@
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
-
- config.window_width = 64;
- config.window_height = 32;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
@@ -161,8 +158,18 @@ enum piglit_result piglit_display(void)
glClear(GL_COLOR_BUFFER_BIT);
- /* Render into TFBO. */
+ /* Setup projection for a 64 x 32 window region. That's what
+ * the expected coords above assume.
+ * XXX it would be better if the position coords in the above
+ * array were compute instead of fixed.
+ */
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(0, 64, 0, 32, -1, 1);
+ glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
+
+ /* Render into TFBO. */
glUseProgram(prog);
glEnable(GL_RASTERIZER_DISCARD);
glBeginTransformFeedback(GL_TRIANGLES);
--
1.7.10.4
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