+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
+ * Copyright 2010-2011 LunarG, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
#ifndef EGLCONFIG_INCLUDED
#define EGLCONFIG_INCLUDED
+#include <assert.h>
+#include <stddef.h>
#include "egltypedefs.h"
-#include <GLES/gl.h>
-
-
-#define MAX_ATTRIBS 128
-#define FIRST_ATTRIB EGL_BUFFER_SIZE
+/* update _eglValidationTable and _eglOffsetOfConfig before updating this
+ * struct */
struct _egl_config
{
- EGLConfig Handle; /* the public/opaque handle which names this config */
- EGLint Attrib[MAX_ATTRIBS];
+ _EGLDisplay *Display;
+
+ /* 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;
};
-#define SET_CONFIG_ATTRIB(CONF, ATTR, VAL) \
- assert((ATTR) - FIRST_ATTRIB < MAX_ATTRIBS); \
- ((CONF)->Attrib[(ATTR) - FIRST_ATTRIB] = VAL)
+/**
+ * Map an EGL attribute enum to the offset of the member in _EGLConfig.
+ */
+static INLINE EGLint
+_eglOffsetOfConfig(EGLint attr)
+{
+ 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;
+ }
+}
+
+
+/**
+ * Update a config for a given key.
+ *
+ * Note that a valid key is not necessarily a valid attribute. There are gaps
+ * in the attribute enums. The separation is to catch application errors.
+ * Drivers should never set a key that is an invalid attribute.
+ */
+static INLINE void
+_eglSetConfigKey(_EGLConfig *conf, EGLint key, EGLint val)
+{
+ EGLint offset = _eglOffsetOfConfig(key);
+ assert(offset >= 0);
+ *((EGLint *) ((char *) conf + offset)) = val;
+}
-#define GET_CONFIG_ATTRIB(CONF, ATTR) ((CONF)->Attrib[(ATTR) - FIRST_ATTRIB])
+/**
+ * Return the value for a given key.
+ */
+static INLINE EGLint
+_eglGetConfigKey(const _EGLConfig *conf, EGLint key)
+{
+ EGLint offset = _eglOffsetOfConfig(key);
+ assert(offset >= 0);
+ return *((EGLint *) ((char *) conf + offset));
+}
-extern void
-_eglInitConfig(_EGLConfig *config, EGLint id);
+PUBLIC void
+_eglInitConfig(_EGLConfig *config, _EGLDisplay *dpy, EGLint id);
-extern EGLConfig
-_eglGetConfigHandle(_EGLConfig *config);
+PUBLIC EGLConfig
+_eglLinkConfig(_EGLConfig *conf);
extern _EGLConfig *
_eglLookupConfig(EGLConfig config, _EGLDisplay *dpy);
-extern _EGLConfig *
-_eglAddConfig(_EGLDisplay *display, _EGLConfig *config);
+/**
+ * Return the handle of a linked config.
+ */
+static INLINE EGLConfig
+_eglGetConfigHandle(_EGLConfig *conf)
+{
+ return (EGLConfig) conf;
+}
-extern EGLBoolean
-_eglParseConfigAttribs(_EGLConfig *config, const EGLint *attrib_list);
+PUBLIC EGLBoolean
+_eglValidateConfig(const _EGLConfig *conf, EGLBoolean for_matching);
+
+
+PUBLIC EGLBoolean
+_eglMatchConfig(const _EGLConfig *conf, const _EGLConfig *criteria);
+
+
+PUBLIC EGLBoolean
+_eglParseConfigAttribList(_EGLConfig *conf, _EGLDisplay *dpy,
+ const EGLint *attrib_list);
+
+
+PUBLIC EGLint
+_eglCompareConfigs(const _EGLConfig *conf1, const _EGLConfig *conf2,
+ const _EGLConfig *criteria, EGLBoolean compare_id);
+
+
+PUBLIC EGLBoolean
+_eglFilterConfigArray(_EGLArray *array, EGLConfig *configs,
+ EGLint config_size, EGLint *num_configs,
+ EGLBoolean (*match)(const _EGLConfig *, void *),
+ EGLint (*compare)(const _EGLConfig *, const _EGLConfig *,
+ void *),
+ void *filter_data);
extern EGLBoolean
_eglGetConfigs(_EGLDriver *drv, _EGLDisplay *dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
-extern void
-_eglSetConfigAttrib(_EGLConfig *config, EGLint attr, EGLint val);
-
-
#endif /* EGLCONFIG_INCLUDED */
projects / mesa.git / blobdiff