diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/egl/main/eglconfigutil.c | 72 | ||||
| -rw-r--r-- | src/egl/main/eglconfigutil.h | 5 |
2 files changed, 77 insertions, 0 deletions
diff --git a/src/egl/main/eglconfigutil.c b/src/egl/main/eglconfigutil.c index c9d00e7..a5fcdcd 100644 --- a/src/egl/main/eglconfigutil.c +++ b/src/egl/main/eglconfigutil.c @@ -52,6 +52,78 @@ _eglConfigToContextModesRec(const _EGLConfig *config, __GLcontextModes *mode) } +/** + * Convert a __GLcontextModes object to an _EGLConfig. + */ +EGLBoolean +_eglConfigFromContextModesRec(_EGLConfig *conf, const __GLcontextModes *m, + EGLint conformant, EGLint renderable_type) +{ + EGLint config_caveat, surface_type; + + /* must be RGBA */ + if (!m->rgbMode || !(m->renderType & GLX_RGBA_BIT)) + return EGL_FALSE; + + config_caveat = EGL_NONE; + if (m->visualRating == GLX_SLOW_CONFIG) + config_caveat = EGL_SLOW_CONFIG; + + if (m->visualRating == GLX_NON_CONFORMANT_CONFIG) + conformant &= ~EGL_OPENGL_BIT; + if (!(conformant & EGL_OPENGL_ES_BIT)) + config_caveat = EGL_NON_CONFORMANT_CONFIG; + + surface_type = 0; + if (m->drawableType & GLX_WINDOW_BIT) + surface_type |= EGL_WINDOW_BIT; + if (m->drawableType & GLX_PIXMAP_BIT) + surface_type |= EGL_PIXMAP_BIT; + if (m->drawableType & GLX_PBUFFER_BIT) + surface_type |= EGL_PBUFFER_BIT; + + SET_CONFIG_ATTRIB(conf, EGL_BUFFER_SIZE, m->rgbBits); + SET_CONFIG_ATTRIB(conf, EGL_RED_SIZE, m->redBits); + SET_CONFIG_ATTRIB(conf, EGL_GREEN_SIZE, m->greenBits); + SET_CONFIG_ATTRIB(conf, EGL_BLUE_SIZE, m->blueBits); + SET_CONFIG_ATTRIB(conf, EGL_ALPHA_SIZE, m->alphaBits); + + SET_CONFIG_ATTRIB(conf, EGL_BIND_TO_TEXTURE_RGB, m->bindToTextureRgb); + SET_CONFIG_ATTRIB(conf, EGL_BIND_TO_TEXTURE_RGBA, m->bindToTextureRgba); + SET_CONFIG_ATTRIB(conf, EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER); + SET_CONFIG_ATTRIB(conf, EGL_CONFIG_CAVEAT, config_caveat); + + SET_CONFIG_ATTRIB(conf, EGL_CONFORMANT, conformant); + SET_CONFIG_ATTRIB(conf, EGL_DEPTH_SIZE, m->depthBits); + SET_CONFIG_ATTRIB(conf, EGL_LEVEL, m->level); + SET_CONFIG_ATTRIB(conf, EGL_MAX_PBUFFER_WIDTH, m->maxPbufferWidth); + SET_CONFIG_ATTRIB(conf, EGL_MAX_PBUFFER_HEIGHT, m->maxPbufferHeight); + SET_CONFIG_ATTRIB(conf, EGL_MAX_PBUFFER_PIXELS, m->maxPbufferPixels); + + SET_CONFIG_ATTRIB(conf, EGL_NATIVE_RENDERABLE, m->xRenderable); + SET_CONFIG_ATTRIB(conf, EGL_NATIVE_VISUAL_ID, m->visualID); + SET_CONFIG_ATTRIB(conf, EGL_NATIVE_VISUAL_TYPE, m->visualType); + SET_CONFIG_ATTRIB(conf, EGL_RENDERABLE_TYPE, renderable_type); + SET_CONFIG_ATTRIB(conf, EGL_SAMPLE_BUFFERS, m->sampleBuffers); + SET_CONFIG_ATTRIB(conf, EGL_SAMPLES, m->samples); + SET_CONFIG_ATTRIB(conf, EGL_STENCIL_SIZE, m->stencilBits); + + SET_CONFIG_ATTRIB(conf, EGL_SURFACE_TYPE, surface_type); + + /* what to do with GLX_TRANSPARENT_INDEX? */ + if (m->transparentPixel == GLX_TRANSPARENT_RGB) { + SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_TYPE, EGL_TRANSPARENT_RGB); + SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_RED_VALUE, m->transparentRed); + SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_GREEN_VALUE, m->transparentGreen); + SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_BLUE_VALUE, m->transparentBlue); + } + else { + SET_CONFIG_ATTRIB(conf, EGL_TRANSPARENT_TYPE, EGL_NONE); + } + + return EGL_TRUE; +} + /** * Creates a set of \c _EGLConfigs that a driver will expose. diff --git a/src/egl/main/eglconfigutil.h b/src/egl/main/eglconfigutil.h index 8202446..ad85079 100644 --- a/src/egl/main/eglconfigutil.h +++ b/src/egl/main/eglconfigutil.h @@ -12,6 +12,11 @@ _eglConfigToContextModesRec(const _EGLConfig *config, __GLcontextModes *mode); extern EGLBoolean +_eglConfigFromContextModesRec(_EGLConfig *conf, const __GLcontextModes *m, + EGLint conformant, EGLint renderable_type); + + +extern EGLBoolean _eglFillInConfigs( _EGLConfig *configs, EGLenum fb_format, EGLenum fb_type, const uint8_t * depth_bits, const uint8_t * stencil_bits, |