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authorChia-I Wu <olvaffe@gmail.com>2009-09-25 22:54:34 +0800
committerBrian Paul <brianp@vmware.com>2009-09-29 08:10:47 -0600
commit358c5a8fd1d518930c3e87316a2c743a661ac553 (patch)
tree4512d0167ce7a3e478885fde2c1126ee14149c7e /src/egl
parent7cda8ea44c2b65265cefa79bd29a4990ac81cee6 (diff)
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egl: Introduce config keys.
Config keys are almost config attributes. A valid config attribute is a valid config key, but a valid config key may not be a valid config attribute. This commit does not distinguish the differences. Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'src/egl')
-rw-r--r--src/egl/drivers/demo/demo.c2
-rw-r--r--src/egl/main/eglconfig.c26
-rw-r--r--src/egl/main/eglconfig.h86
-rw-r--r--src/egl/main/eglconfigutil.h8
4 files changed, 84 insertions, 38 deletions
diff --git a/src/egl/drivers/demo/demo.c b/src/egl/drivers/demo/demo.c
index aea4894..0933c0b 100644
--- a/src/egl/drivers/demo/demo.c
+++ b/src/egl/drivers/demo/demo.c
@@ -177,7 +177,7 @@ demoCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, Nat
}
}
- if (conf->Attrib[EGL_SURFACE_TYPE - FIRST_ATTRIB] == 0) {
+ if (GET_CONFIG_ATTRIB(conf, EGL_SURFACE_TYPE) == 0) {
_eglError(EGL_BAD_MATCH, "eglCreatePixmapSurface");
return NULL;
}
diff --git a/src/egl/main/eglconfig.c b/src/egl/main/eglconfig.c
index d47b99e..5f57c9d 100644
--- a/src/egl/main/eglconfig.c
+++ b/src/egl/main/eglconfig.c
@@ -17,15 +17,6 @@
#define MIN2(A, B) (((A) < (B)) ? (A) : (B))
-void
-_eglSetConfigAttrib(_EGLConfig *config, EGLint attr, EGLint val)
-{
- assert(attr >= FIRST_ATTRIB);
- assert(attr < FIRST_ATTRIB + MAX_ATTRIBS);
- config->Attrib[attr - FIRST_ATTRIB] = val;
-}
-
-
/**
* Init the given _EGLconfig to default values.
* \param id the configuration's ID.
@@ -128,21 +119,16 @@ _eglParseConfigAttribs(_EGLConfig *config, const EGLint *attrib_list)
EGLint i;
/* set all config attribs to EGL_DONT_CARE */
- for (i = 0; i < MAX_ATTRIBS; i++) {
- config->Attrib[i] = EGL_DONT_CARE;
- }
+ _eglResetConfigKeys(config, EGL_DONT_CARE);
/* by default choose windows unless otherwise specified */
- config->Attrib[EGL_SURFACE_TYPE - FIRST_ATTRIB] = EGL_WINDOW_BIT;
+ SET_CONFIG_ATTRIB(config, EGL_SURFACE_TYPE, EGL_WINDOW_BIT);
for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
const EGLint attr = attrib_list[i];
if (attr >= EGL_BUFFER_SIZE &&
attr <= EGL_MAX_SWAP_INTERVAL) {
- EGLint k = attr - FIRST_ATTRIB;
- assert(k >= 0);
- assert(k < MAX_ATTRIBS);
- config->Attrib[k] = attrib_list[++i];
+ SET_CONFIG_ATTRIB(config, attr, attrib_list[++i]);
}
#ifdef EGL_VERSION_1_2
else if (attr == EGL_COLOR_BUFFER_TYPE) {
@@ -368,9 +354,9 @@ EGLBoolean
_eglGetConfigAttrib(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
EGLint attribute, EGLint *value)
{
- const EGLint k = attribute - FIRST_ATTRIB;
- if (k >= 0 && k < MAX_ATTRIBS) {
- *value = conf->Attrib[k];
+ const EGLint k = attribute - _EGL_CONFIG_FIRST_ATTRIB;
+ if (k >= 0 && k < _EGL_CONFIG_NUM_ATTRIBS) {
+ *value = GET_CONFIG_ATTRIB(conf, k);
return EGL_TRUE;
}
else {
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 */
diff --git a/src/egl/main/eglconfigutil.h b/src/egl/main/eglconfigutil.h
index c477b94..8202446 100644
--- a/src/egl/main/eglconfigutil.h
+++ b/src/egl/main/eglconfigutil.h
@@ -1,12 +1,10 @@
-
#ifndef EGLCONFIGUTIL_INCLUDED
#define EGLCONFIGUTIL_INCLUDED
-#include "eglconfig.h"
+
+#include "GLES/gl.h"
#include "GL/internal/glcore.h"
-#if (!defined(WIN32) && !defined(_WIN32_WCE))
-#include "stdint.h"
-#endif
+#include "eglconfig.h"
extern void