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-rw-r--r--src/egl/main/eglconfig.h86
1 files changed, 74 insertions, 12 deletions
diff --git a/src/egl/main/eglconfig.h b/src/egl/main/eglconfig.h
index 36ed96a..b07632a 100644
--- a/src/egl/main/eglconfig.h
+++ b/src/egl/main/eglconfig.h
@@ -2,27 +2,93 @@
#define EGLCONFIG_INCLUDED
+#include <assert.h>
#include "egltypedefs.h"
-#include <GLES/gl.h>
-#define MAX_ATTRIBS 128
-#define FIRST_ATTRIB EGL_BUFFER_SIZE
+#define _EGL_CONFIG_FIRST_ATTRIB EGL_BUFFER_SIZE
+#define _EGL_CONFIG_LAST_ATTRIB EGL_CONFORMANT
+#define _EGL_CONFIG_NUM_ATTRIBS \
+ (_EGL_CONFIG_LAST_ATTRIB - _EGL_CONFIG_FIRST_ATTRIB + 1)
+
+#define _EGL_CONFIG_STORAGE_SIZE _EGL_CONFIG_NUM_ATTRIBS
struct _egl_config
{
EGLConfig Handle; /* the public/opaque handle which names this config */
- EGLint Attrib[MAX_ATTRIBS];
+ EGLint Storage[_EGL_CONFIG_STORAGE_SIZE];
};
-#define SET_CONFIG_ATTRIB(CONF, ATTR, VAL) \
- assert((ATTR) - FIRST_ATTRIB < MAX_ATTRIBS); \
- ((CONF)->Attrib[(ATTR) - FIRST_ATTRIB] = VAL)
+#define SET_CONFIG_ATTRIB(CONF, ATTR, VAL) _eglSetConfigKey(CONF, ATTR, VAL)
+#define GET_CONFIG_ATTRIB(CONF, ATTR) _eglGetConfigKey(CONF, ATTR)
-#define GET_CONFIG_ATTRIB(CONF, ATTR) ((CONF)->Attrib[(ATTR) - FIRST_ATTRIB])
+/**
+ * Given a key, return an index into the storage of the config.
+ * Return -1 if the key is invalid.
+ */
+static INLINE EGLint
+_eglIndexConfig(const _EGLConfig *conf, EGLint key)
+{
+ (void) conf;
+ if (key >= _EGL_CONFIG_FIRST_ATTRIB &&
+ key < _EGL_CONFIG_FIRST_ATTRIB + _EGL_CONFIG_NUM_ATTRIBS)
+ return key - _EGL_CONFIG_FIRST_ATTRIB;
+ else
+ 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.
+ */
+static INLINE void
+_eglSetConfigKey(_EGLConfig *conf, EGLint key, EGLint val)
+{
+ EGLint idx = _eglIndexConfig(conf, key);
+ assert(idx >= 0);
+ conf->Storage[idx] = val;
+}
+
+
+/**
+ * Return the value for a given key.
+ */
+static INLINE EGLint
+_eglGetConfigKey(const _EGLConfig *conf, EGLint key)
+{
+ EGLint idx = _eglIndexConfig(conf, key);
+ assert(idx >= 0);
+ return conf->Storage[idx];
+}
+
+
+/**
+ * Set a given attribute.
+ *
+ * Because _eglGetConfigAttrib is already used as a fallback driver
+ * function, this function is not considered to have a good name.
+ * SET_CONFIG_ATTRIB is preferred over this function.
+ */
+static INLINE void
+_eglSetConfigAttrib(_EGLConfig *conf, EGLint attr, EGLint val)
+{
+ SET_CONFIG_ATTRIB(conf, attr, val);
+}
extern void
@@ -57,8 +123,4 @@ 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 */