wined3d: Set the read buffer to GL_NONE for draws and clears on an FBO.

For the benefit of depth-only draws and clears, that would otherwise fail FBO completeness, unless the driver supports ARB_ES2_compatibility.

wined3d: Set the read buffer to GL_NONE for draws and clears on an FBO.
8e12b2e6 · Henri Verbeet · Alexandre Julliard · 2f3c147a · 8e12b2e6
Commit 8e12b2e6 authored Apr 08, 2011 by Henri Verbeet Committed by Alexandre Julliard Apr 11, 2011
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context.c dlls/wined3d/context.c +4 -0

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--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -2105,6 +2105,8 @@ BOOL context_apply_clear_state(struct wined3d_context *context, IWineD3DDeviceIm
                ++i;
            }
            context_apply_fbo_state(context, GL_FRAMEBUFFER, context->blit_targets, depth_stencil, SFLAG_INTEXTURE);
+            glReadBuffer(GL_NONE);
+            checkGLcall("glReadBuffer");
        }
        else
        {
@@ -2172,6 +2174,8 @@ BOOL context_apply_draw_state(struct wined3d_context *context, IWineD3DDeviceImp
            ENTER_GL();
            context_apply_fbo_state(context, GL_FRAMEBUFFER, device->render_targets,
                    device->depth_stencil, SFLAG_INTEXTURE);
+            glReadBuffer(GL_NONE);
+            checkGLcall("glReadBuffer");
            LEAVE_GL();
        }
    }