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fg_geometry: add a couple comments
[freeglut]
/
src
/
fg_geometry.c
diff --git
a/src/fg_geometry.c
b/src/fg_geometry.c
index
2e0a3b3
..
572b7e3
100644
(file)
--- a/
src/fg_geometry.c
+++ b/
src/fg_geometry.c
@@
-70,6
+70,7
@@
static void fghDrawGeometrySolid(GLfloat *vertices, GLfloat *normals, GLubyte *v
if (numEdgePerFace==3)
glDrawArrays(GL_TRIANGLES, 0, numVertices);
else
if (numEdgePerFace==3)
glDrawArrays(GL_TRIANGLES, 0, numVertices);
else
+ /* The number of elements is passed as numVertices */
glDrawElements(GL_TRIANGLES, numVertices, GL_UNSIGNED_BYTE, vertIdxs);
glDisableClientState(GL_VERTEX_ARRAY);
glDrawElements(GL_TRIANGLES, numVertices, GL_UNSIGNED_BYTE, vertIdxs);
glDisableClientState(GL_VERTEX_ARRAY);
@@
-199,7
+200,7
@@
static GLfloat cube_n[CUBE_NUM_FACES*3] =
0.0f, 0.0f,-1.0f
};
0.0f, 0.0f,-1.0f
};
-/* Vertex indices */
+/* Vertex indices, as quads, before triangulation */
static GLubyte cube_vi[CUBE_VERT_PER_OBJ] =
{
0,1,2,3,
static GLubyte cube_vi[CUBE_VERT_PER_OBJ] =
{
0,1,2,3,