/*
- * freeglut_geometry.c
+ * fg_geometry.c
*
* Freeglut geometry rendering methods.
*
/* declare for drawing using the different OpenGL versions here so we can
have a nice code order below */
-#ifndef GL_ES_VERSION_2_0
static void fghDrawGeometryWire11(GLfloat *vertices, GLfloat *normals,
GLushort *vertIdxs, GLsizei numParts, GLsizei numVertPerPart, GLenum vertexMode,
GLushort *vertIdxs2, GLsizei numParts2, GLsizei numVertPerPart2
);
static void fghDrawGeometrySolid11(GLfloat *vertices, GLfloat *normals, GLfloat *textcs, GLsizei numVertices,
GLushort *vertIdxs, GLsizei numParts, GLsizei numVertIdxsPerPart);
-#endif
static void fghDrawGeometryWire20(GLfloat *vertices, GLfloat *normals, GLsizei numVertices,
GLushort *vertIdxs, GLsizei numParts, GLsizei numVertPerPart, GLenum vertexMode,
GLushort *vertIdxs2, GLsizei numParts2, GLsizei numVertPerPart2,
GLint attribute_v_coord, GLint attribute_v_normal, GLint attribute_v_texture);
/* declare function for generating visualization of normals */
static void fghGenerateNormalVisualization(GLfloat *vertices, GLfloat *normals, GLsizei numVertices);
-#ifndef GL_ES_VERSION_2_0
static void fghDrawNormalVisualization11();
-#endif
static void fghDrawNormalVisualization20(GLint attribute_v_coord);
/* Drawing geometry:
vertIdxs, numParts, numVertPerPart, vertexMode,
vertIdxs2, numParts2, numVertPerPart2,
attribute_v_coord, attribute_v_normal);
-#ifndef GL_ES_VERSION_2_0
else
fghDrawGeometryWire11(vertices, normals,
vertIdxs, numParts, numVertPerPart, vertexMode,
vertIdxs2, numParts2, numVertPerPart2);
-#endif
}
/* Draw the geometric shape with filled triangles
/* draw normals for each vertex as well */
fghDrawNormalVisualization20(attribute_v_coord);
}
-#ifndef GL_ES_VERSION_2_0
else
{
fghDrawGeometrySolid11(vertices, normals, textcs, numVertices,
/* draw normals for each vertex as well */
fghDrawNormalVisualization11();
}
-#endif
}
/* Version for OpenGL (ES) 1.1 */
-#ifndef GL_ES_VERSION_2_0
static void fghDrawGeometryWire11(GLfloat *vertices, GLfloat *normals,
GLushort *vertIdxs, GLsizei numParts, GLsizei numVertPerPart, GLenum vertexMode,
GLushort *vertIdxs2, GLsizei numParts2, GLsizei numVertPerPart2
if (textcs)
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
-#endif
/* Version for OpenGL (ES) >= 2.0 */
static void fghDrawGeometryWire20(GLfloat *vertices, GLfloat *normals, GLsizei numVertices,
}
/* Version for OpenGL (ES) 1.1 */
-#ifndef GL_ES_VERSION_2_0
static void fghDrawNormalVisualization11()
{
GLfloat currentColor[4];
free(verticesForNormalVisualization);
glColor4f(currentColor[0],currentColor[1],currentColor[2],currentColor[3]);
}
-#endif
/* Version for OpenGL (ES) >= 2.0 */
static void fghDrawNormalVisualization20(GLint attribute_v_coord)