medfall

commit 34a46c6b035b409687bc4cadd37453b927cbd46c
parent 504d206dbef27ec58e8f1a7dcecfa2c0e5e7145e
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Sun Dec  4 11:11:05 +0200

Knock off some renderer TODOs

Diffstat:
renderer.cc
 | 
20
+++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/renderer.cc b/renderer.cc
@@ -334,7 +334,23 @@ static GLvoid * offset_to_glvoidp( u32 offset ) {
 }
 
 Mesh renderer_new_mesh( MeshConfig config ) {
-	// TODO: assert num_vertices is sane for this primitive type
+	switch( config.primitive_type ) {
+		case PRIMITIVETYPE_TRIANGLES:
+			ASSERT( config.num_vertices % 3 == 0 );
+			break;
+
+		case PRIMITIVETYPE_TRIANGLE_STRIP:
+			ASSERT( config.num_vertices % 3 == 2 );
+			break;
+
+		case PRIMITIVETYPE_POINTS:
+			break;
+
+		case PRIMITIVETYPE_LINES:
+			ASSERT( config.num_vertices % 2 == 0 );
+			break;
+	}
+
 	GLuint vao;
 	glGenVertexArrays( 1, &vao );
 	glBindVertexArray( vao );
@@ -518,8 +534,6 @@ void renderer_draw_mesh( const Mesh & mesh, RenderState state ) {
 		glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 	}
 
-	// TODO: missing a bunch of stuff here
-
 	GLenum primitive = primitivetype_to_glenum( mesh.primitive_type );
 	if( mesh.indices != 0 ) {
 		glDrawElements( primitive, mesh.num_vertices, GL_UNSIGNED_INT, 0 );