[Piglit] [PATCH] GS: Test that EndPrimitive() is optional for geometry output layout of "points"
Nicholas Mack
nichmack at gmail.com
Tue Sep 17 16:21:48 PDT 2013
---
tests/all.tests | 1 +
.../glsl-1.50/execution/geometry/CMakeLists.gl.txt | 1 +
...ometry-end-primitive-optional-with-points-out.c | 161 +++++++++++++++++++++
3 files changed, 163 insertions(+)
create mode 100644 tests/spec/glsl-1.50/execution/geometry/geometry-end-primitive-optional-with-points-out.c
diff --git a/tests/all.tests b/tests/all.tests
index 7057134..708e94f 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -950,6 +950,7 @@ for draw in ['', 'indexed']:
'core {0} {1}').format(draw, prim))
spec['glsl-1.50']['built-in constants'] = concurrent_test('built-in-constants tests/spec/glsl-1.50/minimum-maximums.txt')
spec['glsl-1.50']['gs-emits-too-few-verts'] = concurrent_test('glsl-1.50-gs-emits-too-few-verts')
+spec['glsl-1.50']['gs-end-primitive-optional-with-points-out'] = concurrent_test('glsl-1.50-geometry-end-primitive-optional-with-points-out')
spec['glsl-1.50']['getshaderiv-may-return-GS'] = concurrent_test('glsl-1.50-getshaderiv-may-return-GS')
spec['glsl-1.50']['query-gs-prim-types'] = concurrent_test('glsl-1.50-query-gs-prim-types')
diff --git a/tests/spec/glsl-1.50/execution/geometry/CMakeLists.gl.txt b/tests/spec/glsl-1.50/execution/geometry/CMakeLists.gl.txt
index 3d2ed79..2557d4e 100644
--- a/tests/spec/glsl-1.50/execution/geometry/CMakeLists.gl.txt
+++ b/tests/spec/glsl-1.50/execution/geometry/CMakeLists.gl.txt
@@ -11,6 +11,7 @@ ${OPENGL_glu_LIBRARY}
)
piglit_add_executable (glsl-1.50-geometry-end-primitive end-primitive.c)
+piglit_add_executable (glsl-1.50-geometry-end-primitive-optional-with-points-out geometry-end-primitive-optional-with-points-out.c)
piglit_add_executable (glsl-1.50-geometry-primitive-id-restart primitive-id-restart.c)
piglit_add_executable (glsl-1.50-geometry-primitive-types primitive-types.c)
piglit_add_executable (glsl-1.50-gs-emits-too-few-verts gs-emits-too-few-verts.c)
diff --git a/tests/spec/glsl-1.50/execution/geometry/geometry-end-primitive-optional-with-points-out.c b/tests/spec/glsl-1.50/execution/geometry/geometry-end-primitive-optional-with-points-out.c
new file mode 100644
index 0000000..d6c4b44
--- /dev/null
+++ b/tests/spec/glsl-1.50/execution/geometry/geometry-end-primitive-optional-with-points-out.c
@@ -0,0 +1,161 @@
+/**
+ * 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.
+ */
+
+/**
+ * Test that when the GS output layout is "points" EndPrimitive() is optional.
+ *
+ * From the GLSL 1.50 spec, section 8.10 (Geometry Shader Functions):
+ *
+ * "If the output layout is declared to be “points”, calling EndPrimitive()
+ * is optional."
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 32;
+ config.supports_gl_core_version = 32;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char *vstext =
+ "#version 150\n"
+ "in vec3 vertex;\n"
+ "out vec3 pos;\n"
+ "void main() {\n"
+ " gl_Position = vec4(vertex, 1.);\n"
+ " pos = vertex;\n"
+ "}\n";
+
+static const char *gstext =
+ "#version 150\n"
+ "layout(triangles) in;\n"
+ "layout(points, max_vertices = 3) out;\n"
+ "in vec3 pos[];\n"
+ "void main() {\n"
+ " for(int i = 0; i < 3; i++) {\n"
+ " gl_Position = vec4(pos[i], 1.);\n"
+ " EmitVertex();\n"
+ " }\n"
+ "}\n";
+
+static const char *fstext =
+ "#version 150\n"
+ "out vec4 color;\n"
+ "void main() {\n"
+ " color = vec4(0., 1., 0., 1.);\n"
+ "}\n";
+
+static GLuint vao;
+static GLuint vertBuff;
+static GLuint indexBuf;
+
+static GLfloat vertices[] = {
+ -0.9, 0.9, 0.0,
+ 0.9, 0.9, 0.0,
+ 0.9,-0.9, 0.0
+};
+static GLsizei vertSize = sizeof(vertices);
+
+static GLuint indices[] = {
+ 0, 1, 2
+};
+static GLsizei indSize = sizeof(indices);
+
+static GLuint prog;
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint vs = 0, gs = 0, fs = 0;
+ GLuint vertIndex;
+
+ prog = glCreateProgram();
+ vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vstext);
+ gs = piglit_compile_shader_text(GL_GEOMETRY_SHADER, gstext);
+ fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fstext);
+ glAttachShader(prog, vs);
+ glAttachShader(prog, gs);
+ glAttachShader(prog, fs);
+
+ glLinkProgram(prog);
+ if(!piglit_link_check_status(prog)){
+ glDeleteProgram(prog);
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ glUseProgram(prog);
+
+ glGenBuffers(1, &vertBuff);
+ glBindBuffer(GL_ARRAY_BUFFER, vertBuff);
+ glBufferData(GL_ARRAY_BUFFER, vertSize, vertices, GL_STATIC_DRAW);
+
+ glGenBuffers(1, &indexBuf);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuf);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER, indSize,
+ indices, GL_STATIC_DRAW);
+
+ glGenVertexArrays(1, &vao);
+ glBindVertexArray(vao);
+
+ vertIndex = glGetAttribLocation(prog, "vertex");
+
+ glBindBuffer(GL_ARRAY_BUFFER, vertBuff);
+ glEnableVertexAttribArray(vertIndex);
+ glVertexAttribPointer(vertIndex, 3, GL_FLOAT, GL_FALSE, 0, 0);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ bool pass = true;
+ float green[] = {0, 1, 0};
+
+ glClearColor(0, 0, 0, 1.);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glBindVertexArray(vao);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuf);
+
+ glDrawElements(GL_TRIANGLES, ARRAY_SIZE(indices),
+ GL_UNSIGNED_INT, NULL);
+
+ pass = piglit_probe_pixel_rgb(.05 * piglit_width,
+ .95 * piglit_height,
+ green) && pass;
+ pass = piglit_probe_pixel_rgb(.95 * piglit_width,
+ .95 * piglit_height,
+ green) && pass;
+ pass = piglit_probe_pixel_rgb(.95 * piglit_width,
+ .05 * piglit_height,
+ green) && pass;
+
+ pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
--
1.8.3.1
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