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only use format compatible with CPU consumers 

EGL now picks the buffer format out of a small set
of formats compatible with CPU consumers instead of
using the EGL_NATIVE_VISUAL_ID.

Bug: 10194508
Change-Id: If423cd29601b7a3ace8670f4c73004132cfc4b31
This commit is contained in:
Mathias Agopian 2013-08-21 16:36:34 -07:00
parent 4ceff3d5ef
commit 0f288fcc9c
1 changed files with 28 additions and 15 deletions
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43
opengl/libs/EGL/eglApi.cpp
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@ -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]);
}
}
}