Make the example fully OpenGL-3.1-compliant.
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@809 7f0cb862-5218-0410-a997-914c9d46530a
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@ -1,3 +1,8 @@
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2009-03-30 Sven Panne <sven.panne@aedion.de>
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* progs/demos/smooth_opengl3/smooth_opengl3.c: Make the example fully
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OpenGL-3.1-compliant.
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2009-03-27 Sven Panne <sven.panne@aedion.de>
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* progs/demos/smooth_opengl3/smooth_opengl3.c: Make Visual C happy by
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@ -1,7 +1,7 @@
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/*
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* smooth_opengl3.c, based on smooth.c, which is (c) by SGI, see below.
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* This program demonstrates smooth shading in a way which is fully
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* OpenGL-3.0-compliant.
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* OpenGL-3.1-compliant.
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* A smooth shaded polygon is drawn in a 2-D projection.
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*/
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@ -211,23 +211,25 @@ void initBuffer(void)
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}
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const ourGLchar *vertexShaderSource[] = {
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"#version 130\n",
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"#version 140\n",
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"uniform mat4 fg_ProjectionMatrix;\n",
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"in vec4 fg_Color;\n",
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"in vec4 fg_Vertex;\n",
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"void main(void)\n",
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"smooth out vec4 fg_SmoothColor;\n",
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"void main()\n",
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"{\n",
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" gl_FrontColor = fg_Color;\n",
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" fg_SmoothColor = fg_Color;\n",
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" gl_Position = fg_ProjectionMatrix * fg_Vertex;\n",
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"}\n"
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};
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const ourGLchar *fragmentShaderSource[] = {
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"#version 130\n",
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"#version 140\n",
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"smooth in vec4 fg_SmoothColor;\n",
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"out vec4 fg_FragColor;\n",
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"void main(void)\n",
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"{\n",
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" fg_FragColor = gl_Color;\n",
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" fg_FragColor = fg_SmoothColor;\n",
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"}\n"
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};
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@ -316,7 +318,6 @@ void initShader(void)
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void initRendering(void)
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{
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glClearColor (0.0, 0.0, 0.0, 0.0);
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glShadeModel (GL_SMOOTH);
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checkError ("initRendering");
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}
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@ -418,9 +419,9 @@ int main(int argc, char** argv)
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{
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glutInit(&argc, argv);
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glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
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/* add command line argument "classic" for a pre-3.0 context */
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/* add command line argument "classic" for a pre-3.x context */
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if ((argc != 2) || (strcmp (argv[1], "classic") != 0)) {
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glutInitContextVersion (3, 0);
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glutInitContextVersion (3, 1);
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glutInitContextFlags (GLUT_FORWARD_COMPATIBLE | GLUT_DEBUG);
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}
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glutInitWindowSize (500, 500);
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