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gl: Initialize spans on the context

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-11-02 11:00:40 +00:00
parent 2a453ee7df
commit c64ec4e49c
1 changed files with 5 additions and 2 deletions
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7
src/cairo-gl-composite.c
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@ -269,6 +269,7 @@ _cairo_gl_context_setup_spans (cairo_gl_context_t *ctx,
GL_UNSIGNED_BYTE, GL_TRUE, vertex_size,
(void *) (uintptr_t) vertex_offset);
dispatch->EnableVertexAttribArray (CAIRO_GL_COLOR_ATTRIB_INDEX);
ctx->spans = TRUE;
}
void
@ -520,9 +521,11 @@ _cairo_gl_composite_begin (cairo_gl_composite_t *setup,
mask_size = _cairo_gl_operand_get_vertex_size (setup->mask.type);
vertex_size = dst_size + src_size + mask_size;
if (ctx->vertex_size != vertex_size) {
if (setup->spans)
vertex_size += sizeof (GLfloat);
if (ctx->vertex_size != vertex_size)
_cairo_gl_composite_flush (ctx);
}
_cairo_gl_context_set_destination (ctx, setup->dst);