[Piglit] [PATCH] arb_no_fb_attach: add a test with just samples passed
Ilia Mirkin
imirkin at alum.mit.edu
Sat Jan 30 19:41:21 PST 2016
In case atomic counters aren't available, this is a simpler test that
just makes sure that the width/height are properly set.
Also add tests for discard as well as changing the fb params.
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
tests/all.py | 1 +
.../CMakeLists.gl.txt | 1 +
tests/spec/arb_framebuffer_no_attachments/query.c | 178 +++++++++++++++++++++
3 files changed, 180 insertions(+)
create mode 100644 tests/spec/arb_framebuffer_no_attachments/query.c
diff --git a/tests/all.py b/tests/all.py
index 83ad945..6825381 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -2419,6 +2419,7 @@ with profile.group_manager(
g(['arb_framebuffer_no_attachments-minmax'])
g(['arb_framebuffer_no_attachments-params'])
g(['arb_framebuffer_no_attachments-atomic'])
+ g(['arb_framebuffer_no_attachments-query'])
# Group ARB_explicit_uniform_location
with profile.group_manager(
diff --git a/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt b/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
index 3b0cb5e..bbc3177 100755
--- a/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
+++ b/tests/spec/arb_framebuffer_no_attachments/CMakeLists.gl.txt
@@ -11,3 +11,4 @@ link_libraries (
piglit_add_executable (arb_framebuffer_no_attachments-minmax minmax.c)
piglit_add_executable (arb_framebuffer_no_attachments-params params.c)
piglit_add_executable (arb_framebuffer_no_attachments-atomic atomic.c)
+piglit_add_executable (arb_framebuffer_no_attachments-query query.c)
diff --git a/tests/spec/arb_framebuffer_no_attachments/query.c b/tests/spec/arb_framebuffer_no_attachments/query.c
new file mode 100644
index 0000000..e1d921c
--- /dev/null
+++ b/tests/spec/arb_framebuffer_no_attachments/query.c
@@ -0,0 +1,178 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/**
+ * \file query.c
+ *
+ * Test occlusion queries with when a framebuffer with no attachments is bound.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_core_version = 31;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+const char *vs_source =
+ "#version 140\n"
+ "in vec4 piglit_vertex;\n"
+ "void main() {\n"
+ " gl_Position = piglit_vertex;\n"
+ "}\n";
+
+const char *fs_source =
+ "#version 140\n"
+ "out vec4 color;\n"
+ "uniform int v = 0;\n"
+ "void main() {\n"
+ " if (v != 0 && (int(gl_FragCoord.x) % 2) == 0) discard;\n"
+ " color = vec4(1);\n"
+ "}\n";
+
+static GLuint query;
+
+enum piglit_result
+piglit_display(void)
+{
+ return PIGLIT_FAIL;
+}
+
+static bool
+compare_counter(uint32_t value, const char *subtest)
+{
+ /* Map atomic buffer and check that we have expected results. */
+ bool result = false;
+ uint32_t samples;
+ glGetQueryObjectuiv(query, GL_QUERY_RESULT, &samples);
+ result = (samples == value);
+ if (!result)
+ fprintf(stderr, "%s (subtest %s): expected %u, got %u\n",
+ __func__, subtest, value, samples);
+ piglit_report_subtest_result(result ? PIGLIT_PASS : PIGLIT_FAIL,
+ "%s", subtest);
+ return result;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint buffer, fbo, vao;
+ GLint prog;
+ bool pass = true;
+
+ piglit_require_gl_version(31);
+ piglit_require_extension("GL_ARB_framebuffer_no_attachments");
+
+ glGenQueries(1, &query);
+
+ /* Create fbo with no attachments. */
+ glGenFramebuffers(1, &fbo);
+ glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+
+ /* Setup default width and height. */
+ glFramebufferParameteri(GL_FRAMEBUFFER,
+ GL_FRAMEBUFFER_DEFAULT_WIDTH, piglit_width);
+ glFramebufferParameteri(GL_FRAMEBUFFER,
+ GL_FRAMEBUFFER_DEFAULT_HEIGHT, piglit_height);
+
+ /* Check that fbo is marked complete. */
+ if (glCheckFramebufferStatus(GL_FRAMEBUFFER) !=
+ GL_FRAMEBUFFER_COMPLETE)
+ piglit_report_result(PIGLIT_FAIL);
+
+ prog = piglit_build_simple_program(vs_source, fs_source);
+
+ /* Check that there are no errors. */
+ if (!prog || !piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ glUseProgram(prog);
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ /* Render rectangle using our program. */
+ glGenVertexArrays(1, &vao);
+ glBindVertexArray(vao);
+
+ glBeginQuery(GL_SAMPLES_PASSED, query);
+ piglit_draw_rect(-1, -1, 2, 2);
+ glEndQuery(GL_SAMPLES_PASSED);
+
+ pass &= compare_counter(piglit_width * piglit_height, "Basic");
+
+ /* Set 1x1 scissor rectangle. */
+ glEnable(GL_SCISSOR_TEST);
+ glScissor(0, 0, 1, 1);
+
+ glBeginQuery(GL_SAMPLES_PASSED, query);
+ piglit_draw_rect(-1, -1, 2, 2);
+ glEndQuery(GL_SAMPLES_PASSED);
+
+ glDisable(GL_SCISSOR_TEST);
+
+ pass &= compare_counter(1, "glScissor");
+
+ /* Set 2x2 viewport. */
+ glViewport(0, 0, 2, 2);
+
+ glBeginQuery(GL_SAMPLES_PASSED, query);
+ piglit_draw_rect(-1, -1, 2, 2);
+ glEndQuery(GL_SAMPLES_PASSED);
+
+ pass &= compare_counter(4, "glViewport");
+
+ /* Set the uniform to 1 so that even x's are discarded */
+ glViewport(0, 0, piglit_width, piglit_height);
+ glUniform1i(glGetUniformLocation(prog, "v"), 1);
+
+ glBeginQuery(GL_SAMPLES_PASSED, query);
+ piglit_draw_rect(-1, -1, 2, 2);
+ glEndQuery(GL_SAMPLES_PASSED);
+
+ pass &= compare_counter(piglit_width * piglit_height / 2, "discard");
+
+ /* Change the fb size */
+ glUniform1i(glGetUniformLocation(prog, "v"), 0);
+ glFramebufferParameteri(GL_FRAMEBUFFER,
+ GL_FRAMEBUFFER_DEFAULT_WIDTH, piglit_width / 2);
+ glFramebufferParameteri(GL_FRAMEBUFFER,
+ GL_FRAMEBUFFER_DEFAULT_HEIGHT, piglit_height / 2);
+ /* don't check completeness. */
+
+ glBeginQuery(GL_SAMPLES_PASSED, query);
+ piglit_draw_rect(-1, -1, 2, 2);
+ glEndQuery(GL_SAMPLES_PASSED);
+
+ pass &= compare_counter((piglit_width / 2) * (piglit_height / 2),
+ "fb resize");
+
+ glDeleteFramebuffers(1, &fbo);
+ glDeleteVertexArrays(1, &vao);
+ glDeleteBuffers(1, &buffer);
+ glDeleteProgram(prog);
+ glDeleteQueries(1, &query);
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
--
2.4.10
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