[Piglit] [PATCH] primgen: new test for PRIMITIVES_GENERATED query
Marek Olšák
maraeo at gmail.com
Fri Mar 22 08:10:12 PDT 2013
---
tests/all.tests | 1 +
.../spec/ext_transform_feedback/CMakeLists.gl.txt | 1 +
tests/spec/ext_transform_feedback/primgen.c | 114 ++++++++++++++++++++
3 files changed, 116 insertions(+)
create mode 100644 tests/spec/ext_transform_feedback/primgen.c
diff --git a/tests/all.tests b/tests/all.tests
index 911cd61..d942527 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1943,6 +1943,7 @@ ext_transform_feedback['position-readback-bufferrange'] = concurrent_test('ext
ext_transform_feedback['position-readback-bufferrange-discard'] = concurrent_test('ext_transform_feedback-position range discard')
ext_transform_feedback['negative-prims'] = concurrent_test('ext_transform_feedback-negative-prims')
+ext_transform_feedback['primgen'] = concurrent_test('ext_transform_feedback-primgen')
ext_transform_feedback['position-render-bufferbase'] = concurrent_test('ext_transform_feedback-position render')
ext_transform_feedback['position-render-bufferbase-discard'] = concurrent_test('ext_transform_feedback-position render discard')
diff --git a/tests/spec/ext_transform_feedback/CMakeLists.gl.txt b/tests/spec/ext_transform_feedback/CMakeLists.gl.txt
index 93b8aae..bf1da03 100644
--- a/tests/spec/ext_transform_feedback/CMakeLists.gl.txt
+++ b/tests/spec/ext_transform_feedback/CMakeLists.gl.txt
@@ -28,6 +28,7 @@ piglit_add_executable (ext_transform_feedback-interleaved interleaved.c)
piglit_add_executable (ext_transform_feedback-intervening-read intervening-read.c)
piglit_add_executable (ext_transform_feedback-max-varyings max-varyings.c)
piglit_add_executable (ext_transform_feedback-negative-prims negative-prims.c)
+piglit_add_executable (ext_transform_feedback-primgen primgen.c)
piglit_add_executable (ext_transform_feedback-separate separate.c)
piglit_add_executable (ext_transform_feedback-output-type output-type.c)
piglit_add_executable (ext_transform_feedback-order order.c)
diff --git a/tests/spec/ext_transform_feedback/primgen.c b/tests/spec/ext_transform_feedback/primgen.c
new file mode 100644
index 0000000..2873943
--- /dev/null
+++ b/tests/spec/ext_transform_feedback/primgen.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright © 2013 Marek Olšák <maraeo at gmail.com>
+ *
+ * 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.
+ */
+
+/**
+ * Tests if PRIMITIVES_GENERATED works with transform feedback disabled.
+ *
+ * From EXT_transform_feedback:
+ * "the primitives-generated count is incremented every time a primitive
+ * reaches the Discarding Rasterization stage"
+ */
+
+#include "piglit-util-gl-common.h"
+
+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_RGB | PIGLIT_GL_VISUAL_ALPHA;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char *vstext = {
+ "void main() {"
+ " gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;"
+ " gl_FrontColor = vec4(1.0);"
+ "}"
+};
+
+GLuint prog;
+GLuint q;
+
+void piglit_init(int argc, char **argv)
+{
+ GLuint vs;
+
+ piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+
+ /* Check the driver. */
+ piglit_require_gl_version(15);
+ piglit_require_GLSL();
+ piglit_require_transform_feedback();
+
+ glGenQueries(1, &q);
+
+ /* Create shaders. */
+ vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vstext);
+ prog = glCreateProgram();
+ glAttachShader(prog, vs);
+ glLinkProgram(prog);
+ if (!piglit_link_check_status(prog)) {
+ glDeleteProgram(prog);
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ glClearColor(0.2, 0.2, 0.2, 1.0);
+ glEnableClientState(GL_VERTEX_ARRAY);
+}
+
+enum piglit_result piglit_display(void)
+{
+ GLboolean pass = GL_TRUE;
+ unsigned qresult;
+ static const float verts[] = {
+ 10, 10,
+ 10, 20,
+ 20, 20,
+ 20, 10
+ };
+ static const unsigned indices[] = {
+ 0, 1, 3, 1, 2, 3
+ };
+ int expected = 2;
+
+ glClear(GL_COLOR_BUFFER_BIT);
+ glBeginQuery(GL_PRIMITIVES_GENERATED, q);
+
+ glLoadIdentity();
+ glUseProgram(prog);
+ glVertexPointer(2, GL_FLOAT, 0, verts);
+ glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, indices);
+
+ glEndQuery(GL_PRIMITIVES_GENERATED_EXT);
+ glGetQueryObjectuiv(q, GL_QUERY_RESULT, &qresult);
+ if (qresult != expected) {
+ printf("Primitives generated: %i, Expected: %i\n", qresult, expected);
+ pass = GL_FALSE;
+ }
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
--
1.7.10.4
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