[Piglit] [PATCH 2/3] GL 3.2: Test gl_Layer with non layered texture.
Jacob Penner
jkpenner91 at gmail.com
Tue Sep 17 14:35:44 PDT 2013
---
tests/all.tests | 1 +
.../gl-3.2/layered-rendering/CMakeLists.gl.txt | 1 +
.../layered-rendering/gl-layer-not-layered.c | 149 +++++++++++++++++++++
3 files changed, 151 insertions(+)
create mode 100644 tests/spec/gl-3.2/layered-rendering/gl-layer-not-layered.c
diff --git a/tests/all.tests b/tests/all.tests
index 88b7ce3..dc0ead3 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -755,6 +755,7 @@ spec['!OpenGL 3.2/layered-rendering/clear-depth'] = concurrent_test('gl-3.2-laye
spec['!OpenGL 3.2/layered-rendering/framebuffertexture-buffer-textures'] = concurrent_test('gl-3.2-layered-rendering-framebuffertexture-buffer-textures')
spec['!OpenGL 3.2/layered-rendering/readpixels'] = concurrent_test('gl-3.2-layered-rendering-readpixels')
spec['!OpenGL 3.2/layered-rendering/gl-layer'] = concurrent_test('gl-3.2-layered-rendering-gl-layer')
+spec['!OpenGL 3.2/layered-rendering/gl-layer-not-layered'] = concurrent_test('gl-3.2-layered-rendering-gl-layer-not-layered')
spec['!OpenGL 3.3/minmax'] = concurrent_test('gl-3.3-minmax')
spec['!OpenGL 3.3/required-renderbuffer-attachment-formats'] = concurrent_test('gl-3.0-required-renderbuffer-attachment-formats 33')
diff --git a/tests/spec/gl-3.2/layered-rendering/CMakeLists.gl.txt b/tests/spec/gl-3.2/layered-rendering/CMakeLists.gl.txt
index bc4415d..98809ad 100644
--- a/tests/spec/gl-3.2/layered-rendering/CMakeLists.gl.txt
+++ b/tests/spec/gl-3.2/layered-rendering/CMakeLists.gl.txt
@@ -15,4 +15,5 @@ piglit_add_executable (gl-3.2-layered-rendering-clear-depth clear-depth.c)
piglit_add_executable (gl-3.2-layered-rendering-framebuffertexture-buffer-textures framebuffertexture-buffer-textures.c)
piglit_add_executable (gl-3.2-layered-rendering-readpixels readpixels.c)
piglit_add_executable (gl-3.2-layered-rendering-gl-layer gl-layer.c)
+piglit_add_executable (gl-3.2-layered-rendering-gl-layer-not-layered gl-layer-not-layered.c)
# vim: ft=cmake:
diff --git a/tests/spec/gl-3.2/layered-rendering/gl-layer-not-layered.c b/tests/spec/gl-3.2/layered-rendering/gl-layer-not-layered.c
new file mode 100644
index 0000000..c3d342e
--- /dev/null
+++ b/tests/spec/gl-3.2/layered-rendering/gl-layer-not-layered.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright © 2013 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 framebuffer-multi-attachments.c
+ *
+ * Section 4.4.7(Framebuffer Objects) From GL spec 3.2 core:
+ *
+ * A layer number written by a geometry shader has no effect if
+ * the framebuffer is not layered.
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 32;
+ config.supports_gl_core_version = 32;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+const char *vs_source = {
+ "#version 150\n"
+ "in vec4 piglit_vertex;\n"
+ "out vec4 vert;\n"
+ "void main() {\n"
+ " gl_Position = piglit_vertex;\n"
+ " vert = piglit_vertex;\n"
+ "}\n"
+};
+
+const char *gs_source = {
+ "#version 150\n"
+ "layout(triangles) in;\n"
+ "layout(triangles, max_vertices = 3) out;\n"
+ "in vec4 vert[3];\n"
+ "uniform int layer;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " for(int i = 0; i < 3; i++) {\n"
+ " gl_Layer = layer;\n"
+ " gl_Position = vert[i];\n"
+ " EmitVertex();\n"
+ " }\n"
+ "}\n"
+};
+
+const char *fs_source = {
+ "#version 150\n"
+ "void main() {\n"
+ " gl_FragColor = vec4(0, 1, 0, 1);\n"
+ "}\n"
+};
+
+bool check_framebuffer_status(GLenum target, GLenum expected) {
+ GLenum observed = glCheckFramebufferStatus(target);
+ if(expected != observed) {
+ printf("Unexpected framebuffer status!\n"
+ " Observed: %s\n Expected: %s\n",
+ piglit_get_gl_enum_name(observed),
+ piglit_get_gl_enum_name(expected));
+ return false;
+ }
+ return true;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLint program;
+ GLuint fbo, texture;
+ GLuint layer_uniform;
+ bool pass = true;
+
+ float expected[] = {
+ 0.0, 1.0, 0.0,
+ };
+
+ program = piglit_build_simple_program_multiple_shaders(
+ GL_VERTEX_SHADER, vs_source,
+ GL_GEOMETRY_SHADER, gs_source,
+ GL_FRAGMENT_SHADER, fs_source,
+ 0);
+ glUseProgram(program);
+
+ layer_uniform = glGetUniformLocation(program, "layer");
+
+ glGenTextures(1, &texture);
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 10,
+ 10, 0, GL_RGB, GL_FLOAT, NULL);
+
+ glGenFramebuffers(1, &fbo);
+ glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ GL_TEXTURE_2D, texture, 0);
+
+ /* Check for errors during setup */
+ if(!check_framebuffer_status(GL_FRAMEBUFFER, GL_FRAMEBUFFER_COMPLETE) ||
+ !piglit_check_gl_error(GL_NO_ERROR)) {
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ /* Try to draw quad to layer 2 */
+ glUniform1i(layer_uniform, 2);
+ piglit_draw_rect(-1, -1, 2, 2);
+
+ pass = piglit_probe_rect_rgb(0, 0, 10, 10, expected) && pass;
+
+ /* Clean up */
+ glDeleteTextures(1, &texture);
+ glDeleteFramebuffers(1, &fbo);
+
+ pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ /* UNREACHABLE */
+ return PIGLIT_FAIL;
+}
--
1.8.3.1
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