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VBO offscreen selection drawing, cdderivedmesh

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Get rid of legacy drawing, it's only used for selection,
    in which case we can prepare a temporary color buffer and draw
    at once. Code is not complete here because we still redundantly
    set the draw color in the draw function and don't ommit hidden
    faces automatically. Still it works 100% without immediate mode
    now.
This commit is contained in:
Antonis Ryakiotakis
2015-07-15 18:50:02 +02:00
parent 2daa4db8a0
commit 13c39e90b3
8 changed files with 166 additions and 199 deletions
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15
source/blender/gpu/intern/gpu_buffers.c
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@@ -764,6 +764,21 @@ void GPU_color_setup(DerivedMesh *dm, int colType)
GLStates |= GPU_BUFFER_COLOR_STATE;
}
void GPU_buffer_bind_as_color(GPUBuffer *buffer)
{
glEnableClientState(GL_COLOR_ARRAY);
if (buffer->use_vbo) {
glBindBufferARB(GL_ARRAY_BUFFER_ARB, buffer->id);
glColorPointer(4, GL_UNSIGNED_BYTE, 0, 0);
}
else {
glColorPointer(4, GL_UNSIGNED_BYTE, 0, buffer->pointer);
}
GLStates |= GPU_BUFFER_COLOR_STATE;
}
void GPU_edge_setup(DerivedMesh *dm)
{
if (!gpu_buffer_setup_common(dm, GPU_BUFFER_EDGE))