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OPENGL: Allow enabling vertex attributes without using a VBO

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This commit is contained in:
Cameron Cawley 2022-06-29 00:12:31 +01:00
parent f96be8781c
commit fb1db0e94f
2 changed files with 16 additions and 4 deletions
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15
graphics/opengl/shader.cpp
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@ -296,7 +296,7 @@ void Shader::use(bool forceReload) {
if (attrib._enabled) {
glEnableVertexAttribArray(i);
glBindBuffer(GL_ARRAY_BUFFER, attrib._vbo);
glVertexAttribPointer(i, attrib._size, attrib._type, attrib._normalized, attrib._stride, (const GLvoid *)attrib._offset);
glVertexAttribPointer(i, attrib._size, attrib._type, attrib._normalized, attrib._stride, attrib._pointer);
} else {
glDisableVertexAttribArray(i);
switch (attrib._size) {
@ -341,6 +341,17 @@ VertexAttrib &Shader::getAttribute(const char *attrib) {
return _attributes[0];
}
void Shader::enableVertexAttribute(const char *attrib, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer) {
VertexAttrib &va = getAttribute(attrib);
va._enabled = true;
va._vbo = 0;
va._size = size;
va._type = type;
va._normalized = normalized;
va._stride = stride;
va._pointer = pointer;
}
void Shader::enableVertexAttribute(const char *attrib, GLuint vbo, GLint size, GLenum type, GLboolean normalized, GLsizei stride, uint32 offset) {
VertexAttrib &va = getAttribute(attrib);
va._enabled = true;
@ -349,7 +360,7 @@ void Shader::enableVertexAttribute(const char *attrib, GLuint vbo, GLint size, G
va._type = type;
va._normalized = normalized;
va._stride = stride;
va._offset = offset;
va._pointer = (const void *)offset;
}
void Shader::disableVertexAttribute(const char *attrib, int size, const float *data) {