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-rw-r--r--opengl/libs/EGL/eglApi.cpp43
1 files changed, 28 insertions, 15 deletions
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index a81c450..7410c12 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -386,8 +386,6 @@ static int modifyFormatColorspace(int fmt, EGLint colorspace) {
switch (fmt) {
case HAL_PIXEL_FORMAT_RGBA_8888: return HAL_PIXEL_FORMAT_sRGB_A_8888;
case HAL_PIXEL_FORMAT_RGBX_8888: return HAL_PIXEL_FORMAT_sRGB_X_8888;
- // TODO: this should go away once drivers stop using BGRA EGLConfigs
- case HAL_PIXEL_FORMAT_BGRA_8888: return HAL_PIXEL_FORMAT_sRGB_A_8888;
}
}
return fmt;
@@ -410,24 +408,39 @@ EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config,
return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
}
- // Set the native window's buffers format to match this config.
+ // Set the native window's buffers format to match what this config requests.
// Whether to use sRGB gamma is not part of the EGLconfig, but is part
// of our native format. So if sRGB gamma is requested, we have to
// modify the EGLconfig's format before setting the native window's
// format.
- EGLint format;
- if (!cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_NATIVE_VISUAL_ID,
- &format)) {
- ALOGE("eglGetConfigAttrib(EGL_NATIVE_VISUAL_ID) failed: %#x",
- eglGetError());
- format = 0;
+
+ // by default, just pick RGBA_8888
+ EGLint format = HAL_PIXEL_FORMAT_RGBA_8888;
+
+ EGLint a = 0;
+ cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_ALPHA_SIZE, &a);
+ if (a > 0) {
+ // alpha-channel requested, there's really only one suitable format
+ format = HAL_PIXEL_FORMAT_RGBA_8888;
+ } else {
+ EGLint r, g, b;
+ r = g = b = 0;
+ cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_RED_SIZE, &r);
+ cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_GREEN_SIZE, &g);
+ cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_BLUE_SIZE, &b);
+ EGLint colorDepth = r + g + b;
+ if (colorDepth <= 16) {
+ format = HAL_PIXEL_FORMAT_RGB_565;
+ } else {
+ format = HAL_PIXEL_FORMAT_RGBX_8888;
+ }
}
- if (attrib_list) {
- for (const EGLint* attr = attrib_list; *attr != EGL_NONE;
- attr += 2) {
- if (*attr == EGL_GL_COLORSPACE_KHR &&
- dp->haveExtension("EGL_KHR_gl_colorspace")) {
- format = modifyFormatColorspace(format, *(attr+1));
+
+ // now select a corresponding sRGB format if needed
+ if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
+ for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
+ if (*attr == EGL_GL_COLORSPACE_KHR) {
+ format = modifyFormatColorspace(format, attr[1]);
}
}
}