From: Marek Olšák <[email protected]>
Instead of offsetting the vertex position for the second half of the screen,
setup both halves as separate viewports.
---
tests/general/primitive-restart-draw-mode.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/tests/general/primitive-restart-draw-mode.c
b/tests/general/primitive-restart-draw-mode.c
index 9bf47b4..722a440 100644
--- a/tests/general/primitive-restart-draw-mode.c
+++ b/tests/general/primitive-restart-draw-mode.c
@@ -249,20 +249,26 @@ piglit_display(void)
glClear(GL_COLOR_BUFFER_BIT);
glUseProgram(prog);
- glUniform2f(window_size_loc, piglit_width, piglit_height);
+ glUniform2f(window_size_loc, piglit_width/2, piglit_height);
glVertexAttribPointer(vertex_attr, 2, GL_FLOAT, GL_FALSE,
sizeof(vertex_patterns[test->pattern][0]),
vertex_patterns[test->pattern]);
glEnableVertexAttribArray(vertex_attr);
for (col = 0; col < NUM_COLS; col++) {
+ if (col == 0)
+ glViewport(0, 0, piglit_width/2, piglit_height);
+ else
+ glViewport(piglit_width/2, 0, piglit_width/2,
piglit_height);
+
for (row = 0; row < NUM_ROWS; row++) {
- glUniform2f(offset_loc, col * PATTERN_SIZE,
+ glUniform2f(offset_loc, 0,
(NUM_ROWS - 1 - row) * PATTERN_SIZE);
draw_pattern(row + 1, col == 0);
}
}
+ glViewport(0, 0, piglit_width, piglit_height);
pass = piglit_probe_rect_halves_equal_rgba(0, 0, piglit_width,
piglit_height) && pass;
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
--
1.8.3.2
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