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Do not destroy OpenGL needful things for VAO codepath

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- Gets Mac build rendering again
This commit is contained in:
Aaron Culliney 2015-04-16 21:49:39 -07:00 committed by Aaron Culliney
parent af95212a19
commit e2272132c2
1 changed files with 5 additions and 33 deletions
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38
src/video/glvideo.c
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@ -145,35 +145,6 @@ static void _create_VAO_VBOs(void) {
0); // What is the offset in the VBO to the position data?
#endif
#if 0
if (crtModel->normals) {
GLuint normalBufferName;
// Create a vertex buffer object (VBO) to store positions
glGenBuffers(1, &normalBufferName);
glBindBuffer(GL_ARRAY_BUFFER, normalBufferName);
// Allocate and load normal data into the VBO
glBufferData(GL_ARRAY_BUFFER, crtModel->normalArraySize, crtModel->normals, GL_STATIC_DRAW);
// Enable the normal attribute for this VAO
glEnableVertexAttribArray(NORMAL_ATTRIB_IDX);
// Get the size of the normal type so we can set the stride properly
GLsizei normalTypeSize = getGLTypeSize(crtModel->normalType);
// Set up parmeters for position attribute in the VAO including,
// size, type, stride, and offset in the currenly bound VAO
// This also attaches the position VBO to the VAO
glVertexAttribPointer(NORMAL_ATTRIB_IDX, // What attibute index will this array feed in the vertex shader (see buildProgram)
crtModel->normalSize, // How many elements are there per normal?
crtModel->normalType, // What is the type of this data?
GL_FALSE, // Do we want to normalize this data (0-1 range for fixed-pont types)
crtModel->normalSize*normalTypeSize, // What is the stride (i.e. bytes between normals)?
0); // What is the offset in the VBO to the normal data?
}
#endif
if (crtModel->texCoords) {
// Create a VBO to store texcoords
glGenBuffers(1, &texcoordBufferName);
@ -560,10 +531,12 @@ static void gldriver_init_common(void) {
crtElementType = crtModel->elementType;
#if USE_VAO
// We're using VBOs we can destroy all this memory since buffers are
// We're using VAOs we can destroy certain buffers since they are already
// loaded into GL and we've saved anything else we need
mdlDestroyModel(&crtModel);
crtModel = NULL;
FREE(crtModel->elements);
FREE(crtModel->positions);
FREE(crtModel->normals);
FREE(crtModel->texCoords);
#endif
// Build a default texture object with our image data
@ -624,7 +597,6 @@ static void gldriver_shutdown(void) {
_destroy_VAO(crtVAOName);
crtVAOName = UNINITIALIZED_GL;
mdlDestroyModel(&crtModel);
crtModel = NULL;
glDeleteProgram(program);
program = UNINITIALIZED_GL;
glnode_shutdownNodes();