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evas-gl-drm: Add support for EGL_MESA_platform_gbm 

Summary: This change adds support for using EGL_MESA_platform_gbm to
get the display directly from gbm and to create a window surface
(usable by egl) directly from the gbm surface.

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2015-06-17 10:16:50 -04:00
parent 3d521961d1
commit cdbaa65bd4
1 changed files with 57 additions and 7 deletions
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64
src/modules/evas/engines/gl_drm/evas_outbuf.c
View File

@ -152,8 +152,9 @@ _evas_outbuf_egl_setup(Outbuf *ob)
{
int ctx_attr[3];
int cfg_attr[40];
int maj = 0, min = 0, n = 0;
int maj = 0, min = 0, n = 0, i = 0;
EGLint ncfg;
EGLConfig *cfgs;
const GLubyte *vendor, *renderer, *version, *glslversion;
Eina_Bool blacklist = EINA_FALSE;
@ -162,12 +163,16 @@ _evas_outbuf_egl_setup(Outbuf *ob)
ctx_attr[1] = 2;
ctx_attr[2] = EGL_NONE;
/* cfg_attr[n++] = EGL_BUFFER_SIZE; */
/* cfg_attr[n++] = 32; */
cfg_attr[n++] = EGL_SURFACE_TYPE;
cfg_attr[n++] = EGL_WINDOW_BIT;
cfg_attr[n++] = EGL_BUFFER_SIZE;
cfg_attr[n++] = 32;
cfg_attr[n++] = EGL_DEPTH_SIZE;
cfg_attr[n++] = EGL_DONT_CARE;
cfg_attr[n++] = EGL_STENCIL_SIZE;
cfg_attr[n++] = EGL_DONT_CARE;
cfg_attr[n++] = EGL_RENDERABLE_TYPE;
cfg_attr[n++] = EGL_OPENGL_ES2_BIT;
cfg_attr[n++] = EGL_SURFACE_TYPE;
cfg_attr[n++] = EGL_WINDOW_BIT;
#if 0
cfg_attr[n++] = EGL_RED_SIZE;
cfg_attr[n++] = 1;
@ -182,7 +187,12 @@ _evas_outbuf_egl_setup(Outbuf *ob)
else cfg_attr[n++] = 0;
cfg_attr[n++] = EGL_NONE;
#ifdef EGL_MESA_platform_gbm
ob->egl.disp =
eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_MESA, ob->info->info.gbm, NULL);
#else
ob->egl.disp = eglGetDisplay((EGLNativeDisplayType)ob->info->info.gbm);
#endif
if (ob->egl.disp == EGL_NO_DISPLAY)
{
ERR("eglGetDisplay() fail. code=%#x", eglGetError());
@ -202,16 +212,56 @@ _evas_outbuf_egl_setup(Outbuf *ob)
return EINA_FALSE;
}
if (!eglChooseConfig(ob->egl.disp, cfg_attr, &ob->egl.config,
1, &ncfg) || (ncfg != 1))
if (!eglGetConfigs(ob->egl.disp, NULL, 0, &ncfg) || (ncfg == 0))
{
ERR("eglGetConfigs() fail. code=%#x", eglGetError());
return EINA_FALSE;
}
cfgs = malloc(ncfg * sizeof(EGLConfig));
if (!cfgs)
{
ERR("Failed to malloc space for egl configs");
return EINA_FALSE;
}
if (!eglChooseConfig(ob->egl.disp, cfg_attr, cfgs,
ncfg, &ncfg) || (ncfg == 0))
{
ERR("eglChooseConfig() fail. code=%#x", eglGetError());
return EINA_FALSE;
}
for (; i < ncfg; ++i)
{
EGLint format;
if (!eglGetConfigAttrib(ob->egl.disp, cfgs[i], EGL_NATIVE_VISUAL_ID,
&format))
{
ERR("eglGetConfigAttrib() fail. code=%#x", eglGetError());
return EINA_FALSE;
}
DBG("Config Format: %d", format);
DBG("OB Format: %d", ob->info->info.format);
if (format == ob->info->info.format)
{
ob->egl.config = cfgs[i];
break;
}
}
#ifdef EGL_MESA_platform_gbm
ob->egl.surface[0] =
eglCreatePlatformWindowSurfaceEXT(ob->egl.disp, ob->egl.config,
ob->surface, NULL);
#else
ob->egl.surface[0] =
eglCreateWindowSurface(ob->egl.disp, ob->egl.config,
(EGLNativeWindowType)ob->surface, NULL);
#endif
if (ob->egl.surface[0] == EGL_NO_SURFACE)
{
ERR("eglCreateWindowSurface() fail for %p. code=%#x",