ephyr: Add a mode for skipping redisplay in glamor
This speeds up headless testing of Xephyr -glamor with softpipe from "a test per minute or so" to "a test every few seconds". Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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@ -57,6 +57,7 @@ static Display *dpy;
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static XVisualInfo *visual_info;
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static GLXFBConfig fb_config;
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Bool ephyr_glamor_gles2;
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Bool ephyr_glamor_skip_present;
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/** @} */
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/**
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@ -220,6 +221,13 @@ ephyr_glamor_damage_redisplay(struct ephyr_glamor *glamor,
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{
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GLint old_vao;
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/* Skip presenting the output in this mode. Presentation is
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* expensive, and if we're just running the X Test suite headless,
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* nobody's watching.
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*/
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if (ephyr_glamor_skip_present)
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return;
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glXMakeCurrent(dpy, glamor->glx_win, glamor->ctx);
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if (glamor->vao) {
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@ -36,7 +36,7 @@ extern Bool EphyrWantResize;
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extern Bool EphyrWantNoHostGrab;
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extern Bool kdHasPointer;
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extern Bool kdHasKbd;
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extern Bool ephyr_glamor, ephyr_glamor_gles2;
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extern Bool ephyr_glamor, ephyr_glamor_gles2, ephyr_glamor_skip_present;
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extern Bool ephyrNoXV;
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@ -148,6 +148,7 @@ ddxUseMsg(void)
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#ifdef GLAMOR
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ErrorF("-glamor Enable 2D acceleration using glamor\n");
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ErrorF("-glamor_gles2 Enable 2D acceleration using glamor (with GLES2 only)\n");
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ErrorF("-glamor-skip-present Skip presenting the output when using glamor (for internal testing optimization)\n");
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#endif
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ErrorF
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("-fakexa Simulate acceleration using software rendering\n");
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@ -288,6 +289,10 @@ ddxProcessArgument(int argc, char **argv, int i)
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ephyrFuncs.finiAccel = ephyr_glamor_fini;
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return 1;
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}
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else if (!strcmp (argv[i], "-glamor-skip-present")) {
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ephyr_glamor_skip_present = TRUE;
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return 1;
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}
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#endif
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else if (!strcmp(argv[i], "-fakexa")) {
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ephyrFuncs.initAccel = ephyrDrawInit;
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