From 282e514240c8f514da768af6377ae61b9f79c81f Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Thu, 14 Oct 2010 16:25:30 +0800 Subject: egl: Use attribute names as the _EGLConfig member names. This makes _EGLConfig more accessible and scales better when new attributes are added. --- src/egl/main/eglconfig.c | 33 ++++-------- src/egl/main/eglconfig.h | 133 +++++++++++++++++++++++++++++++---------------- 2 files changed, 97 insertions(+), 69 deletions(-) (limited to 'src/egl/main') diff --git a/src/egl/main/eglconfig.c b/src/egl/main/eglconfig.c index 01e7144d40..d05eca86b8 100644 --- a/src/egl/main/eglconfig.c +++ b/src/egl/main/eglconfig.c @@ -104,6 +104,7 @@ static const struct { EGLint default_value; } _eglValidationTable[] = { + /* core */ { EGL_BUFFER_SIZE, ATTRIB_TYPE_INTEGER, ATTRIB_CRITERION_ATLEAST, 0 }, @@ -200,22 +201,13 @@ static const struct { { EGL_TRANSPARENT_BLUE_VALUE, ATTRIB_TYPE_INTEGER, ATTRIB_CRITERION_EXACT, EGL_DONT_CARE }, - /* these are not real attributes */ { EGL_MATCH_NATIVE_PIXMAP, ATTRIB_TYPE_PSEUDO, ATTRIB_CRITERION_SPECIAL, EGL_NONE }, - /* there is a gap before EGL_SAMPLES */ - { 0x3030, ATTRIB_TYPE_PSEUDO, - ATTRIB_CRITERION_IGNORE, - 0 }, - { EGL_NONE, ATTRIB_TYPE_PSEUDO, - ATTRIB_CRITERION_IGNORE, - 0 }, - + /* extensions */ { EGL_Y_INVERTED_NOK, ATTRIB_TYPE_BOOLEAN, ATTRIB_CRITERION_EXACT, - EGL_DONT_CARE }, - + EGL_DONT_CARE } }; @@ -235,9 +227,6 @@ _eglValidateConfig(const _EGLConfig *conf, EGLBoolean for_matching) EGLint red_size = 0, green_size = 0, blue_size = 0, luminance_size = 0; EGLint alpha_size = 0, buffer_size = 0; - /* all attributes should have been listed */ - assert(ARRAY_SIZE(_eglValidationTable) == _EGL_CONFIG_NUM_ATTRIBS); - /* check attributes by their types */ for (i = 0; i < ARRAY_SIZE(_eglValidationTable); i++) { EGLint mask; @@ -478,16 +467,11 @@ _eglMatchConfig(const _EGLConfig *conf, const _EGLConfig *criteria) static INLINE EGLBoolean _eglIsConfigAttribValid(_EGLConfig *conf, EGLint attr) { - if (_eglIndexConfig(conf, attr) < 0) + if (_eglOffsetOfConfig(attr) < 0) return EGL_FALSE; - /* there are some holes in the range */ switch (attr) { - case 0x3030 /* a gap before EGL_SAMPLES */: - case EGL_NONE: -#ifdef EGL_VERSION_1_4 case EGL_MATCH_NATIVE_PIXMAP: -#endif return EGL_FALSE; case EGL_Y_INVERTED_NOK: return conf->Display->Extensions.NOK_texture_from_pixmap; @@ -556,9 +540,12 @@ _eglParseConfigAttribList(_EGLConfig *conf, const EGLint *attrib_list) return EGL_FALSE; /* ignore other attributes when EGL_CONFIG_ID is given */ - if (config_id > 0) { - _eglResetConfigKeys(conf, EGL_DONT_CARE); - SET_CONFIG_ATTRIB(conf, EGL_CONFIG_ID, config_id); + if (conf->ConfigID > 0) { + for (i = 0; i < ARRAY_SIZE(_eglValidationTable); i++) { + attr = _eglValidationTable[i].attr; + if (attr != EGL_CONFIG_ID) + SET_CONFIG_ATTRIB(conf, attr, EGL_DONT_CARE); + } } else { if (has_native_visual_type) { diff --git a/src/egl/main/eglconfig.h b/src/egl/main/eglconfig.h index 0ad58cf473..0b6a0c2752 100644 --- a/src/egl/main/eglconfig.h +++ b/src/egl/main/eglconfig.h @@ -6,26 +6,49 @@ #include "egltypedefs.h" -#define _EGL_CONFIG_FIRST_ATTRIB EGL_BUFFER_SIZE -#define _EGL_CONFIG_LAST_ATTRIB EGL_CONFORMANT -#define _EGL_CONFIG_NUM_CONTIGUOUS_ATTRIBS \ - (_EGL_CONFIG_LAST_ATTRIB - _EGL_CONFIG_FIRST_ATTRIB + 1) - -/* Attributes outside the contiguous block: - * - * EGL_Y_INVERTED_NOK - */ -#define _EGL_CONFIG_FIRST_EXTRA_ATTRIB _EGL_CONFIG_NUM_CONTIGUOUS_ATTRIBS -#define _EGL_CONFIG_NUM_EXTRA_ATTRIBS 1 - -#define _EGL_CONFIG_NUM_ATTRIBS \ - _EGL_CONFIG_NUM_CONTIGUOUS_ATTRIBS + _EGL_CONFIG_NUM_EXTRA_ATTRIBS - - +/* update _eglValidationTable and _eglOffsetOfConfig before updating this + * struct */ struct _egl_config { _EGLDisplay *Display; - EGLint Storage[_EGL_CONFIG_NUM_ATTRIBS]; + + /* core */ + EGLint BufferSize; + EGLint AlphaSize; + EGLint BlueSize; + EGLint GreenSize; + EGLint RedSize; + EGLint DepthSize; + EGLint StencilSize; + EGLint ConfigCaveat; + EGLint ConfigID; + EGLint Level; + EGLint MaxPbufferHeight; + EGLint MaxPbufferPixels; + EGLint MaxPbufferWidth; + EGLint NativeRenderable; + EGLint NativeVisualID; + EGLint NativeVisualType; + EGLint Samples; + EGLint SampleBuffers; + EGLint SurfaceType; + EGLint TransparentType; + EGLint TransparentBlueValue; + EGLint TransparentGreenValue; + EGLint TransparentRedValue; + EGLint BindToTextureRGB; + EGLint BindToTextureRGBA; + EGLint MinSwapInterval; + EGLint MaxSwapInterval; + EGLint LuminanceSize; + EGLint AlphaMaskSize; + EGLint ColorBufferType; + EGLint RenderableType; + EGLint MatchNativePixmap; + EGLint Conformant; + + /* extensions */ + EGLint YInvertedNOK; }; @@ -37,38 +60,56 @@ struct _egl_config /** - * Given a key, return an index into the storage of the config. - * Return -1 if the key is invalid. + * Map an EGL attribute enum to the offset of the member in _EGLConfig. */ static INLINE EGLint -_eglIndexConfig(const _EGLConfig *conf, EGLint key) +_eglOffsetOfConfig(EGLint attr) { - (void) conf; - if (key >= _EGL_CONFIG_FIRST_ATTRIB && - key < _EGL_CONFIG_FIRST_ATTRIB + _EGL_CONFIG_NUM_CONTIGUOUS_ATTRIBS) - return key - _EGL_CONFIG_FIRST_ATTRIB; - - switch (key) { - case EGL_Y_INVERTED_NOK: - return _EGL_CONFIG_FIRST_EXTRA_ATTRIB; + switch (attr) { +#define ATTRIB_MAP(attr, memb) case attr: return offsetof(_EGLConfig, memb) + /* core */ + ATTRIB_MAP(EGL_BUFFER_SIZE, BufferSize); + ATTRIB_MAP(EGL_ALPHA_SIZE, AlphaSize); + ATTRIB_MAP(EGL_BLUE_SIZE, BlueSize); + ATTRIB_MAP(EGL_GREEN_SIZE, GreenSize); + ATTRIB_MAP(EGL_RED_SIZE, RedSize); + ATTRIB_MAP(EGL_DEPTH_SIZE, DepthSize); + ATTRIB_MAP(EGL_STENCIL_SIZE, StencilSize); + ATTRIB_MAP(EGL_CONFIG_CAVEAT, ConfigCaveat); + ATTRIB_MAP(EGL_CONFIG_ID, ConfigID); + ATTRIB_MAP(EGL_LEVEL, Level); + ATTRIB_MAP(EGL_MAX_PBUFFER_HEIGHT, MaxPbufferHeight); + ATTRIB_MAP(EGL_MAX_PBUFFER_PIXELS, MaxPbufferPixels); + ATTRIB_MAP(EGL_MAX_PBUFFER_WIDTH, MaxPbufferWidth); + ATTRIB_MAP(EGL_NATIVE_RENDERABLE, NativeRenderable); + ATTRIB_MAP(EGL_NATIVE_VISUAL_ID, NativeVisualID); + ATTRIB_MAP(EGL_NATIVE_VISUAL_TYPE, NativeVisualType); + ATTRIB_MAP(EGL_SAMPLES, Samples); + ATTRIB_MAP(EGL_SAMPLE_BUFFERS, SampleBuffers); + ATTRIB_MAP(EGL_SURFACE_TYPE, SurfaceType); + ATTRIB_MAP(EGL_TRANSPARENT_TYPE, TransparentType); + ATTRIB_MAP(EGL_TRANSPARENT_BLUE_VALUE, TransparentBlueValue); + ATTRIB_MAP(EGL_TRANSPARENT_GREEN_VALUE, TransparentGreenValue); + ATTRIB_MAP(EGL_TRANSPARENT_RED_VALUE, TransparentRedValue); + ATTRIB_MAP(EGL_BIND_TO_TEXTURE_RGB, BindToTextureRGB); + ATTRIB_MAP(EGL_BIND_TO_TEXTURE_RGBA, BindToTextureRGBA); + ATTRIB_MAP(EGL_MIN_SWAP_INTERVAL, MinSwapInterval); + ATTRIB_MAP(EGL_MAX_SWAP_INTERVAL, MaxSwapInterval); + ATTRIB_MAP(EGL_LUMINANCE_SIZE, LuminanceSize); + ATTRIB_MAP(EGL_ALPHA_MASK_SIZE, AlphaMaskSize); + ATTRIB_MAP(EGL_COLOR_BUFFER_TYPE, ColorBufferType); + ATTRIB_MAP(EGL_RENDERABLE_TYPE, RenderableType); + ATTRIB_MAP(EGL_MATCH_NATIVE_PIXMAP, MatchNativePixmap); + ATTRIB_MAP(EGL_CONFORMANT, Conformant); + /* extensions */ + ATTRIB_MAP(EGL_Y_INVERTED_NOK, YInvertedNOK); +#undef ATTRIB_MAP default: return -1; } } -/** - * Reset all keys in the config to a given value. - */ -static INLINE void -_eglResetConfigKeys(_EGLConfig *conf, EGLint val) -{ - EGLint i; - for (i = 0; i < _EGL_CONFIG_NUM_ATTRIBS; i++) - conf->Storage[i] = val; -} - - /** * Update a config for a given key. * @@ -79,9 +120,9 @@ _eglResetConfigKeys(_EGLConfig *conf, EGLint val) static INLINE void _eglSetConfigKey(_EGLConfig *conf, EGLint key, EGLint val) { - EGLint idx = _eglIndexConfig(conf, key); - assert(idx >= 0); - conf->Storage[idx] = val; + EGLint offset = _eglOffsetOfConfig(key); + assert(offset >= 0); + *((EGLint *) ((char *) conf + offset)) = val; } @@ -91,9 +132,9 @@ _eglSetConfigKey(_EGLConfig *conf, EGLint key, EGLint val) static INLINE EGLint _eglGetConfigKey(const _EGLConfig *conf, EGLint key) { - EGLint idx = _eglIndexConfig(conf, key); - assert(idx >= 0); - return conf->Storage[idx]; + EGLint offset = _eglOffsetOfConfig(key); + assert(offset >= 0); + return *((EGLint *) ((char *) conf + offset)); 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