tests for proper function of glProvokingVertexEXT.
---
tests/all.tests | 1 +
tests/general/CMakeLists.txt | 1 +
tests/general/provoking-vertex.c | 143 ++++++++++++++++++++++++++++++++++++++
3 files changed, 145 insertions(+), 0 deletions(-)
create mode 100644 tests/general/provoking-vertex.c
diff --git a/tests/all.tests b/tests/all.tests
index fc8346a..a3d6a87 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -74,6 +74,7 @@ general['occlusion_query'] = PlainExecTest([testBinDir +
'occlusion_query', '-au
general['texgen'] = PlainExecTest([testBinDir + 'texgen', '-auto'])
general['varray-disabled'] = PlainExecTest([testBinDir + 'varray-disabled',
'-auto'])
general['windowoverlap'] = PlainExecTest([testBinDir + 'windowoverlap',
'-auto'])
+general['provoking-vertex'] = PlainExecTest([testBinDir + 'provoking-vertex',
'-auto'])
shaders = Group()
shaders['trinity-fp1'] = PlainExecTest([testBinDir + 'trinity-fp1', '-auto'])
diff --git a/tests/general/CMakeLists.txt b/tests/general/CMakeLists.txt
index 4f061a2..ac2c2ba 100644
--- a/tests/general/CMakeLists.txt
+++ b/tests/general/CMakeLists.txt
@@ -26,3 +26,4 @@ add_executable (texgen texgen.c)
add_executable (varray-disabled varray-disabled.c)
add_executable (windowoverlap windowoverlap.c)
add_executable (occlusion_query occlusion_query.c)
+add_executable (provoking-vertex provoking-vertex.c)
diff --git a/tests/general/provoking-vertex.c b/tests/general/provoking-vertex.c
new file mode 100644
index 0000000..a10363e
--- /dev/null
+++ b/tests/general/provoking-vertex.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright © 2009 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.
+ */
+
+// author: Ben Holmes
+
+/*
+* draws two triangles using different colors for each vert(1st-red, 2nd-green,
+* 3rd-blue). first tri drawn using glProvokingVertexEXT set to
+* GL_FIRST_VERTEX_CONVENTION_EXT.
+* Second tri using GL_LAST_VERTEX_CONVENTION_EXT.
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/glew.h>
+#if defined(__APPLE__)
+#include <GLUT/glut.h>
+#else
+#include <GL/glut.h>
+#endif
+#include "piglit-util.h"
+
+
+#ifndef APIENTRY
+#define APIENTRY
+#endif
+#ifndef APIENTRYP
+#define APIENTRYP APIENTRY *
+#endif
+#ifndef GL_EXT_provoking_vertex
+#define GL_EXT_provoking_vertex
+#define GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT 0x8E4C
+#define GL_FIRST_VERTEX_CONVENTION_EXT 0x8E4D
+#define GL_LAST_VERTEX_CONVENTION_EXT 0x8E4E
+#define GL_PROVOKING_VERTEX_EXT 0x8E4F
+typedef void (APIENTRYP PFNGLPROVOKINGVERTEXEXTPROC) (GLenum mode);
+#endif
+
+static PFNGLPROVOKINGVERTEXEXTPROC pglProvokingVertexEXT = 0;
+
+
+static GLboolean Automatic = GL_FALSE;
+
+static void
+Init()
+{
+
+ glewInit();
+ //piglit_require_extension("GL_EXT_provoking_vertex");
+ pglProvokingVertexEXT = (PFNGLPROVOKINGVERTEXEXTPROC)
+ glutGetProcAddress("glProvokingVertexEXT");
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+ glOrtho(0, 400, 0, 300, -1, 1);
+
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
+
+ glShadeModel(GL_FLAT);
+
+ glClearColor(0.2, 0.2, 0.2, 1.0);
+
+}
+
+static void
+display()
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ pglProvokingVertexEXT(GL_FIRST_VERTEX_CONVENTION_EXT);
+ glBegin(GL_TRIANGLES);
+ glColor3f(1.0, 0.0, 0.0);
+ glVertex3i(125, 125, 0);
+ glColor3f(0.0, 1.0, 0.0);
+ glVertex3i(175, 125, 0);
+ glColor3f(0.0, 0.0, 1.0);
+ glVertex3i(150, 150, 0);
+ glEnd();
+
+ pglProvokingVertexEXT(GL_LAST_VERTEX_CONVENTION_EXT);
+ glBegin(GL_TRIANGLES);
+ glColor3f(1.0, 0.0, 0.0);
+ glVertex3i(200, 125, 0);
+ glColor3f(0.0, 1.0, 0.0);
+ glVertex3i(250, 125, 0);
+ glColor3f(0.0, 0.0, 1.0);
+ glVertex3i(225, 150, 0);
+ glEnd();
+
+ float red[3] = {1.0, 0.0, 0.0};
+ float blue[3] = {0.0, 0.0, 1.0};
+ GLboolean pass = GL_TRUE;
+ pass = pass && piglit_probe_pixel_rgb(150, 130, red);
+ pass = pass && piglit_probe_pixel_rgb(225, 130, blue);
+ if(Automatic)
+ piglit_report_result(pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE);
+
+ glFinish();
+ glutSwapBuffers();
+
+}
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ if(argc==2 && !strncmp(argv[1], "-auto", 5))
+ Automatic=GL_TRUE;
+ glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
+ glutInitWindowSize(400, 300);
+ glutCreateWindow("provoking vertex");
+ glutDisplayFunc(display);
+ glutKeyboardFunc(piglit_escape_exit_key);
+
+ printf("working...");
+ Init();
+
+ glutMainLoop();
+
+ return 0;
+
+}
--
1.6.3.3
------------------------------------------------------------------------------
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