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in case GL_ARRAY_BUFFER is bound, store and reset it before rendering overlay and restore after

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Anton Romanov 2010-04-18 02:04:16 +02:00 committed by Thorvald Natvig
parent 372f763675
commit ec7e78d175
1 changed files with 6 additions and 1 deletions
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7
overlay_gl/overlay.c
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@ -516,16 +516,21 @@ static void drawContext(Context * ctx, int width, int height) {
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
int bound = 0;
GLint bound = 0, vbobound = 0;
glGetIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING, &bound);
glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &vbobound);
if (bound != 0)
glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
if (vbobound != 0)
glBindBuffer(GL_ARRAY_BUFFER, 0);
drawOverlay(ctx, width, height);
if (bound != 0)
glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, bound);
if (vbobound != 0)
glBindBuffer(GL_ARRAY_BUFFER, vbobound);
glMatrixMode(GL_TEXTURE);
glPopMatrix();