Fix multiple vertex buffers using the same data

Need to call glVertexPointer/glTexCoordPointer/glColorPointer every time
we render.

3 files changed, 4 insertions, 1 deletions

diff --git a/src/gl.c b/src/gl.c
index 4227d9e..c54bbbf 100644
--- a/src/gl.c
+++ b/src/gl.c
@@ -82,6 +82,8 @@ int mgl_gl_load(mgl_gl *self) {
         { &self->glAttachShader, "glAttachShader" },
         { &self->glGetUniformLocation, "glGetUniformLocation" },
         { &self->glUniform2fv, "glUniform2fv" },
+        { &self->glGetError, "glGetError" },
+        { &self->glGetString, "glGetString" },
 
         { NULL, NULL }
     };
diff --git a/src/graphics/vertex_buffer.c b/src/graphics/vertex_buffer.c
index aa4fdbb..9203d63 100644
--- a/src/graphics/vertex_buffer.c
+++ b/src/graphics/vertex_buffer.c
@@ -104,6 +104,7 @@ void mgl_vertex_buffer_draw(mgl_context *context, mgl_vertex_buffer *vertex_buff
 
     context->gl.glBindTexture(GL_TEXTURE_2D, texture ? texture->id : 0);
     context->gl.glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer->id);
+    mgl_vertex_buffer_set_gl_buffer_pointers(context);
     context->gl.glDrawArrays(mgl_primitive_type_to_gl_mode(vertex_buffer->primitive_type), 0, vertex_buffer->vertex_count);
     context->gl.glBindBuffer(GL_ARRAY_BUFFER, 0);
     context->gl.glBindTexture(GL_TEXTURE_2D, 0);
diff --git a/src/window/window.c b/src/window/window.c
index f29b920..94756cd 100644
--- a/src/window/window.c
+++ b/src/window/window.c
@@ -103,8 +103,8 @@ static int mgl_window_init(mgl_window *self, const char *title, int width, int h
     context->gl.glEnable(GL_BLEND);
     context->gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     context->gl.glEnableClientState(GL_VERTEX_ARRAY);
-    context->gl.glEnableClientState(GL_COLOR_ARRAY);
     context->gl.glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+    context->gl.glEnableClientState(GL_COLOR_ARRAY);
 
     XWindowAttributes gwa;
     gwa.width = 0;