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evas-gl-drm: Find symlink for eglSetDamageRegionKHR 

In efforts to reduce tearing in the gl_drm engine, find and link to
the eglSetDamageRegionKHR function so we can mark damaged regions of a
surface

@fix

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2015-11-04 11:18:25 -05:00
parent b8ebd5b356
commit b2785f01c5
2 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/modules/evas/engines/gl_drm/evas_engine.c
View File

@ -77,9 +77,10 @@ glsym_func_void_ptr glsym_evas_gl_common_current_context_get = NULL;
_eng_fn (*glsym_eglGetProcAddress)(const char *a) = NULL;
void *(*glsym_eglCreateImage)(EGLDisplay a, EGLContext b, EGLenum c, EGLClientBuffer d, const int *e) = NULL;
void (*glsym_eglDestroyImage)(EGLDisplay a, void *b) = NULL;
void (*glsym_glEGLImageTargetTexture2DOES)(int a, void *b) = NULL;
void (*glsym_glEGLImageTargetTexture2DOES)(int a, void *b) = NULL;
unsigned int (*glsym_eglSwapBuffersWithDamage)(EGLDisplay a, void *b, const EGLint *d, EGLint c) = NULL;
unsigned int (*glsym_eglQueryWaylandBufferWL)(EGLDisplay a, struct wl_resource *b, EGLint c, EGLint *d) = NULL;
unsigned int (*glsym_eglSetDamageRegionKHR)(EGLDisplay a, EGLSurface b, EGLint *c, EGLint d) = NULL;
/* local function prototypes */
static void gl_symbols(void);
@ -229,6 +230,9 @@ gl_symbols(void)
FINDSYM(glsym_eglSwapBuffersWithDamage, "eglSwapBuffersWithDamage",
glsym_func_uint);
FINDSYM(glsym_eglSetDamageRegionKHR, "eglSetDamageRegionKHR",
glsym_func_uint);
FINDSYM(glsym_eglQueryWaylandBufferWL, "eglQueryWaylandBufferWL",
glsym_func_uint);
@ -253,8 +257,17 @@ gl_extn_veto(Render_Engine *re)
{
_extn_have_buffer_age = 0;
glsym_eglSwapBuffersWithDamage = NULL;
glsym_eglSetDamageRegionKHR = NULL;
}
if (!strstr(str, "EGL_EXT_buffer_age")) _extn_have_buffer_age = 0;
if (!strstr(str, "EGL_EXT_buffer_age"))
{
if (!strstr(str, "EGL_KHR_partial_update"))
_extn_have_buffer_age = 0;
}
if (!strstr(str, "EGL_KHR_partial_update"))
glsym_eglSetDamageRegionKHR = NULL;
if (!strstr(str, "EGL_EXT_swap_buffers_with_damage"))
glsym_eglSwapBuffersWithDamage = NULL;
}

1
src/modules/evas/engines/gl_drm/evas_engine.h
View File

@ -142,5 +142,6 @@ _re_wincheck(Outbuf *ob)
}
extern unsigned int (*glsym_eglSwapBuffersWithDamage)(EGLDisplay a, void *b, const EGLint *d, EGLint c);
extern unsigned int (*glsym_eglSetDamageRegionKHR)(EGLDisplay a, EGLSurface b, EGLint *c, EGLint d);
#endif