wined3d: Set GL_NONE for glReadBuffer / glDrawBuffer on FBO initialization.
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@ -424,10 +424,17 @@ static void context_apply_fbo_entry(struct wined3d_context *context, GLenum targ
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{
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const struct wined3d_gl_info *gl_info = context->gl_info;
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unsigned int i;
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GLuint read_binding, draw_binding;
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context_bind_fbo(context, target, &entry->id);
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if (entry->attached)
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{
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context_bind_fbo(context, target, &entry->id);
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return;
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}
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if (entry->attached) return;
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read_binding = context->fbo_read_binding;
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draw_binding = context->fbo_draw_binding;
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context_bind_fbo(context, GL_FRAMEBUFFER, &entry->id);
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/* Apply render targets */
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for (i = 0; i < gl_info->limits.buffers; ++i)
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@ -440,6 +447,18 @@ static void context_apply_fbo_entry(struct wined3d_context *context, GLenum targ
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surface_set_compatible_renderbuffer(entry->depth_stencil, entry->render_targets[0]);
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context_attach_depth_stencil_fbo(context, target, entry->depth_stencil, entry->location);
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/* Set valid read and draw buffer bindings to satisfy pedantic pre-ES2_compatibility
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* GL contexts requirements. */
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glReadBuffer(GL_NONE);
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context_set_draw_buffer(context, GL_NONE);
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if (target != GL_FRAMEBUFFER)
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{
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if (target == GL_READ_FRAMEBUFFER)
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context_bind_fbo(context, GL_DRAW_FRAMEBUFFER, draw_binding ? &draw_binding : NULL);
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else
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context_bind_fbo(context, GL_READ_FRAMEBUFFER, read_binding ? &read_binding : NULL);
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}
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entry->attached = TRUE;
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}
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