On 04/13/2018 05:43 AM, Timothy Arceri wrote:

On 02/02/17 10:58, Brian Paul wrote:
On 01/20/2017 07:18 AM, Manolova, Plamena wrote:
This looks good to me :)
Reviewed-by: Plamena Manolova <plamena.manol...@intel.com

On Fri, Jan 20, 2017 at 9:38 AM, Boyan Ding <boyan.j.d...@gmail.com
<mailto:boyan.j.d...@gmail.com>> wrote:

    When draw buffers are changed on a bound framebuffer, DrawBuffer(s) hook
    should be called. However, it is missing in update_framebuffer with
    window-system framebuffer, in which FB's draw buffer state should match
    context state, potentially resulting in a change.

    Bugzilla: https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.freedesktop.org_show-5Fbug.cgi-3Fid-3D99116&d=DwIDaQ&c=uilaK90D4TOVoH58JNXRgQ&r=Ie7_encNUsqxbSRbqbNgofw0ITcfE8JKfaUjIQhncGA&m=RuLO-5nWOnGpux5W2eCSq_dg2uX8l5i15Ukj83SUjuo&s=561CkiJD4E9v5MalkqxqM7tUtPNTXyKaGSfxK5L42DA&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.freedesktop.org_show-5Fbug.cgi-3Fid-3D99116&d=DwMFaQ&c=uilaK90D4TOVoH58JNXRgQ&r=Ie7_encNUsqxbSRbqbNgofw0ITcfE8JKfaUjIQhncGA&m=2GGgfjdsGMbJ2pASP3bJmF1nMiMrJOccqZRrDIWqBOs&s=gFMFh5kphG6qUCsOIbyrliSjbX9cw3WsydU46OcuE14&e=>
    Signed-off-by: Boyan Ding <boyan.j.d...@gmail.com
      src/mesa/main/framebuffer.c | 10 ++++++++++
      1 file changed, 10 insertions(+)

    diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
    index c06130dc8d..55a6d5c004 100644
    --- a/src/mesa/main/framebuffer.c
    +++ b/src/mesa/main/framebuffer.c
    @@ -670,6 +670,16 @@ update_framebuffer(struct gl_context *ctx,
    struct gl_framebuffer *fb)
            if (fb->ColorDrawBuffer[0] != ctx->Color.DrawBuffer[0]) {
               _mesa_drawbuffers(ctx, fb, ctx->Const.MaxDrawBuffers,
                                 ctx->Color.DrawBuffer, NULL);
    +         /* Call device driver function if fb is the bound draw
    buffer. */
    +         if (fb == ctx->DrawBuffer) {
    +            if (ctx->Driver.DrawBuffers) {
    +               ctx->Driver.DrawBuffers(ctx, ctx->Const.MaxDrawBuffers,
    +                                      ctx->Color.DrawBuffer);
    +            } else if (ctx->Driver.DrawBuffer) {
    +               ctx->Driver.DrawBuffer(ctx, ctx->Color.DrawBuffer[0]);
    +            }
    +         }
         else {

This makes three places in the code where we call ctx->Driver.DrawBuffers() or ctx->Driver.DrawBuffer() like this.  I think some refactoring would be good.

Perhaps these calls can go into _mesa_drawbuffers().  I'll try to look into that in a few days.

Hi Brain, are you happy if we push this in the meantime? It seems to impact a number of apps running on Wine?

I don't have time to look at it myself right now. So if it looks good to you and you can check it in, go for it.


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