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Diffstat (limited to 'opengl.c')
-rw-r--r--opengl.c127
1 files changed, 105 insertions, 22 deletions
diff --git a/opengl.c b/opengl.c
index d557aea63..39aac33c2 100644
--- a/opengl.c
+++ b/opengl.c
@@ -10,6 +10,50 @@
#include "opengl.h"
+#ifdef CONFIG_GLX_SYNC
+void
+xr_glx_sync(session_t *ps, Drawable d, XSyncFence *pfence) {
+ if (*pfence) {
+ // GLsync sync = ps->glFenceSyncProc(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
+ GLsync sync = ps->glImportSyncEXT(GL_SYNC_X11_FENCE_EXT, *pfence, 0);
+ XSync(ps->dpy, False);
+ glx_check_err(ps);
+ /* GLenum ret = ps->glClientWaitSyncProc(sync, GL_SYNC_FLUSH_COMMANDS_BIT,
+ 1000);
+ assert(GL_CONDITION_SATISFIED == ret); */
+ ps->glWaitSyncProc(sync, 0, GL_TIMEOUT_IGNORED);
+ // ps->glDeleteSyncProc(sync);
+ // XSyncResetFence(ps->dpy, *pfence);
+ }
+ glx_check_err(ps);
+}
+#endif
+
+static inline GLXFBConfig
+get_fbconfig_from_visualinfo(session_t *ps, const XVisualInfo *visualinfo) {
+ int nelements = 0;
+ GLXFBConfig *fbconfigs = glXGetFBConfigs(ps->dpy, visualinfo->screen,
+ &nelements);
+ for (int i = 0; i < nelements; ++i) {
+ int visual_id = 0;
+ if (Success == glXGetFBConfigAttrib(ps->dpy, fbconfigs[i], GLX_VISUAL_ID, &visual_id)
+ && visual_id == visualinfo->visualid)
+ return fbconfigs[i];
+ }
+
+ return NULL;
+}
+
+#ifdef DEBUG_GLX_DEBUG_CONTEXT
+static void
+glx_debug_msg_callback(GLenum source, GLenum type,
+ GLuint id, GLenum severity, GLsizei length, const GLchar *message,
+ GLvoid *userParam) {
+ printf_dbgf("(): source 0x%04X, type 0x%04X, id %u, severity 0x%0X, \"%s\"\n",
+ source, type, id, severity, message);
+}
+#endif
+
/**
* Initialize OpenGL.
*/
@@ -56,7 +100,33 @@ glx_init(session_t *ps, bool need_render) {
if (!ps->glx_context) {
// Get GLX context
+#ifndef DEBUG_GLX_DEBUG_CONTEXT
ps->glx_context = glXCreateContext(ps->dpy, pvis, None, GL_TRUE);
+#else
+ {
+ GLXFBConfig fbconfig = get_fbconfig_from_visualinfo(ps, pvis);
+ if (!fbconfig) {
+ printf_errf("(): Failed to get GLXFBConfig for root visual %#lx.",
+ pvis->visualid);
+ goto glx_init_end;
+ }
+
+ f_glXCreateContextAttribsARB p_glXCreateContextAttribsARB =
+ (f_glXCreateContextAttribsARB)
+ glXGetProcAddress((const GLubyte *) "glXCreateContextAttribsARB");
+ if (!p_glXCreateContextAttribsARB) {
+ printf_errf("(): Failed to get glXCreateContextAttribsARB().");
+ goto glx_init_end;
+ }
+
+ static const int attrib_list[] = {
+ GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_DEBUG_BIT_ARB,
+ None
+ };
+ ps->glx_context = p_glXCreateContextAttribsARB(ps->dpy, fbconfig, NULL,
+ GL_TRUE, attrib_list);
+ }
+#endif
if (!ps->glx_context) {
printf_errf("(): Failed to get GLX context.");
@@ -68,6 +138,20 @@ glx_init(session_t *ps, bool need_render) {
printf_errf("(): Failed to attach GLX context.");
goto glx_init_end;
}
+
+#ifdef DEBUG_GLX_DEBUG_CONTEXT
+ {
+ f_DebugMessageCallback p_DebugMessageCallback =
+ (f_DebugMessageCallback)
+ glXGetProcAddress((const GLubyte *) "glDebugMessageCallback");
+ if (!p_DebugMessageCallback) {
+ printf_errf("(): Failed to get glDebugMessageCallback(0.");
+ goto glx_init_end;
+ }
+ p_DebugMessageCallback(glx_debug_msg_callback, ps);
+ }
+#endif
+
}
// Ensure we have a stencil buffer. X Fixes does not guarantee rectangles
@@ -114,6 +198,27 @@ glx_init(session_t *ps, bool need_render) {
goto glx_init_end;
}
}
+
+#ifdef CONFIG_GLX_SYNC
+ ps->glFenceSyncProc = (f_FenceSync)
+ glXGetProcAddress((const GLubyte *) "glFenceSync");
+ ps->glIsSyncProc = (f_IsSync)
+ glXGetProcAddress((const GLubyte *) "glIsSync");
+ ps->glDeleteSyncProc = (f_DeleteSync)
+ glXGetProcAddress((const GLubyte *) "glDeleteSync");
+ ps->glClientWaitSyncProc = (f_ClientWaitSync)
+ glXGetProcAddress((const GLubyte *) "glClientWaitSync");
+ ps->glWaitSyncProc = (f_WaitSync)
+ glXGetProcAddress((const GLubyte *) "glWaitSync");
+ ps->glImportSyncEXT = (f_ImportSyncEXT)
+ glXGetProcAddress((const GLubyte *) "glImportSyncEXT");
+ if (!ps->glFenceSyncProc || !ps->glIsSyncProc || !ps->glDeleteSyncProc
+ || !ps->glClientWaitSyncProc || !ps->glWaitSyncProc
+ || !ps->glImportSyncEXT) {
+ printf_errf("(): Failed to acquire GLX sync functions.");
+ goto glx_init_end;
+ }
+#endif
}
// Acquire FBConfigs
@@ -344,9 +449,7 @@ glx_init_blur(session_t *ps) {
}
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
return true;
#else
@@ -655,9 +758,7 @@ glx_bind_pixmap(session_t *ps, glx_texture_t **pptex, Pixmap pixmap,
glBindTexture(ptex->target, 0);
glDisable(ptex->target);
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
return true;
}
@@ -680,9 +781,7 @@ glx_release_pixmap(session_t *ps, glx_texture_t *ptex) {
ptex->glpixmap = 0;
}
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
}
/**
@@ -803,9 +902,7 @@ glx_paint_pre(session_t *ps, XserverRegion *preg) {
glx_render_color(ps, 0, 0, ps->root_width, ps->root_height, 0, *preg, NULL);
#endif
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
}
/**
@@ -886,9 +983,7 @@ glx_set_clip(session_t *ps, XserverRegion reg, const reg_data_t *pcache_reg) {
cxfree(rects_free);
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
}
#define P_PAINTREG_START() \
@@ -1174,9 +1269,7 @@ glx_blur_dst_end:
free_glx_bc(ps, pbc);
}
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
return ret;
}
@@ -1212,9 +1305,7 @@ glx_dim_dst(session_t *ps, int dx, int dy, int width, int height, float z,
glColor4f(0.0f, 0.0f, 0.0f, 0.0f);
glDisable(GL_BLEND);
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
return true;
}
@@ -1412,9 +1503,7 @@ glx_render(session_t *ps, const glx_texture_t *ptex,
glActiveTexture(GL_TEXTURE0);
}
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
return true;
}
@@ -1452,9 +1541,7 @@ glx_render_color(session_t *ps, int dx, int dy, int width, int height, int z,
}
glColor4f(0.0f, 0.0f, 0.0f, 0.0f);
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
}
/**
@@ -1492,9 +1579,7 @@ glx_render_dots(session_t *ps, int dx, int dy, int width, int height, int z,
}
glColor4f(0.0f, 0.0f, 0.0f, 0.0f);
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
}
/**
@@ -1524,9 +1609,7 @@ glx_swap_copysubbuffermesa(session_t *ps, XserverRegion reg) {
}
}
-#ifdef DEBUG_GLX_ERR
glx_check_err(ps);
-#endif
cxfree(rects);
}