Reviewed-by: Brian Paul <[email protected]> On 03/22/2014 12:20 PM, Marek Olšák wrote:
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;
_______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
