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xephyr: Allow initializing glamor with gles2 (on GLX). 

This should be useful for glamor development, so you can test both
paths (which are significantly different, and apparently
glamor_gradient.c was broken on GLES2 as of the import).

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Eric Anholt 2013-12-27 11:12:27 -08:00
parent 98b6158bc1
commit 199d9a6a94
2 changed files with 34 additions and 2 deletions
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22
hw/kdrive/ephyr/ephyr_glamor_glx.c
View File

@ -52,6 +52,7 @@
static Display *dpy;
static XVisualInfo *visual_info;
static GLXFBConfig fb_config;
Bool ephyr_glamor_gles2;
/** @} */
/**
@ -145,6 +146,10 @@ ephyr_glamor_setup_texturing_shader(struct ephyr_glamor *glamor)
"}\n";
const char *fs_source =
"#ifdef GL_ES\n"
"precision mediump float;\n"
"#endif\n"
"\n"
"varying vec2 t;\n"
"uniform sampler2D s; /* initially 0 */\n"
"\n"
@ -276,7 +281,24 @@ ephyr_glamor_glx_screen_init(xcb_window_t win)
glx_win = glXCreateWindow(dpy, fb_config, win, NULL);
if (ephyr_glamor_gles2) {
static const int context_attribs[] = {
GLX_CONTEXT_MAJOR_VERSION_ARB, 2,
GLX_CONTEXT_MINOR_VERSION_ARB, 0,
GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_ES_PROFILE_BIT_EXT,
0,
};
if (epoxy_has_glx_extension(dpy, DefaultScreen(dpy),
"GLX_EXT_create_context_es2_profile")) {
ctx = glXCreateContextAttribsARB(dpy, fb_config, NULL, True,
context_attribs);
} else {
FatalError("Xephyr -glamor_gles2 rquires "
"GLX_EXT_create_context_es2_profile\n");
}
} else {
ctx = glXCreateContext(dpy, visual_info, NULL, True);
}
if (ctx == NULL)
FatalError("glXCreateContext failed\n");

12
hw/kdrive/ephyr/ephyrinit.c
View File

@ -35,7 +35,7 @@ extern Bool EphyrWantGrayScale;
extern Bool EphyrWantResize;
extern Bool kdHasPointer;
extern Bool kdHasKbd;
extern Bool ephyr_glamor;
extern Bool ephyr_glamor, ephyr_glamor_gles2;
#ifdef GLXEXT
extern Bool ephyrNoDRI;
@ -138,6 +138,7 @@ ddxUseMsg(void)
ErrorF("-resizeable Make Xephyr windows resizeable\n");
#ifdef GLAMOR
ErrorF("-glamor Enable 2D acceleration using glamor\n");
ErrorF("-glamor_gles2 Enable 2D acceleration using glamor (with GLES2 only)\n");
#endif
ErrorF
("-fakexa Simulate acceleration using software rendering\n");
@ -251,6 +252,15 @@ ddxProcessArgument(int argc, char **argv, int i)
ephyrFuncs.finiAccel = ephyr_glamor_fini;
return 1;
}
else if (!strcmp (argv[i], "-glamor_gles2")) {
ephyr_glamor = TRUE;
ephyr_glamor_gles2 = TRUE;
ephyrFuncs.initAccel = ephyr_glamor_init;
ephyrFuncs.enableAccel = ephyr_glamor_enable;
ephyrFuncs.disableAccel = ephyr_glamor_disable;
ephyrFuncs.finiAccel = ephyr_glamor_fini;
return 1;
}
#endif
else if (!strcmp(argv[i], "-fakexa")) {
ephyrFuncs.initAccel = ephyrDrawInit;