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in theory suport partial swaps with SEC extensions... untested atm.

This commit is contained in:
Carsten Haitzler 2013-03-11 20:40:56 +09:00
parent bdbf74f882
commit 200bdfd8d4
1 changed files with 50 additions and 2 deletions
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52
src/modules/evas/engines/gl_x11/evas_engine.c
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@ -55,6 +55,9 @@ typedef const char *(*glsym_func_const_char_ptr) ();
#ifndef EGL_NATIVE_PIXMAP_KHR
# define EGL_NATIVE_PIXMAP_KHR 0x30b0
#endif
#ifndef EGL_BUFFER_AGE_EXT
#define EGL_BUFFER_AGE_EXT 0x313d
#endif
_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;
@ -62,6 +65,7 @@ void (*glsym_glEGLImageTargetTexture2DOES) (int a, void *b) = NULL;
void *(*glsym_eglMapImageSEC) (void *a, void *b) = NULL;
unsigned int (*glsym_eglUnmapImageSEC) (void *a, void *b) = NULL;
const char *(*glsym_eglQueryString) (EGLDisplay a, int name) = NULL;
void (*glsym_eglSwapBuffersRegion) (EGLDisplay a, void *b, EGLint c, const EGLint *d) = NULL;
#else
typedef XID (*glsym_func_xid) ();
@ -547,6 +551,9 @@ gl_symbols(void)
FINDSYM(glsym_eglUnmapImageSEC, "eglUnmapImageSEC", glsym_func_uint);
FINDSYM(glsym_eglQueryString, "eglQueryString", glsym_func_const_char_ptr);
FINDSYM(glsym_eglSwapBuffersRegion, "eglSwapBuffersRegion", glsym_func_void_ptr);
FINDSYM(glsym_eglSwapBuffersRegion, "eglSwapBuffersRegionSEC", glsym_func_void_ptr);
#else
#define FINDSYM(dst, sym, typ) \
if (glsym_glXGetProcAddress) { \
@ -1032,6 +1039,22 @@ eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, i
re->rects = evas_common_tilebuf_get_render_rects(re->tb);
if (re->rects)
{
#ifdef GL_GLES
if (re->info->swap_mode == EVAS_ENGINE_GL_X11_SWAP_MODE_AUTO)
{
EGLint age = 0;
if (eglQuerySurface(re->win->egl_disp, re->win->egl_surface[0],
EGL_BUFFER_AGE_EXT, &age))
{
if (age == 1) re->mode = MODE_COPY;
else if (age == 2) re->mode = MODE_DOUBLE;
else if (age == 3) re->mode = MODE_TRIPLE;
else re->mode = MODE_FULL;
}
else re->mode = MODE_FULL;
}
#endif
if (re->lost_back)
{
/* if we lost our backbuffer since the last frame redraw all */
@ -1197,8 +1220,33 @@ eng_output_flush(void *data, Evas_Render_Mode render_mode)
{
re->info->callback.pre_swap(re->info->callback.data, re->evas);
}
// XXX: if partial swaps can be done use re->rects
eglSwapBuffers(re->win->egl_disp, re->win->egl_surface[0]);
if (glsym_eglSwapBuffersRegion)
{
EGLint num = 0, *rects = NULL, i;
Tilebuf_Rect *r;
// if partial swaps can be done use re->rects
EINA_INLIST_FOREACH(EINA_INLIST_GET(re->rects), r) num++;
if (num > 0) rects = malloc(sizeof(EGLint) * 4 * num);
if (rects)
{
i = 0;
EINA_INLIST_FOREACH(EINA_INLIST_GET(re->rects), r)
{
rects[i + 0] = r->x;
rects[i + 1] = r->y;
rects[i + 2] = r->w;
rects[i + 3] = r->h;
i += 4;
}
glsym_eglSwapBuffersRegion(re->win->egl_disp,
re->win->egl_surface[0],
num, rects);
free(rects);
}
}
else
eglSwapBuffers(re->win->egl_disp, re->win->egl_surface[0]);
if (!safe_native) eglWaitGL();
if (re->info->callback.post_swap)
{