[Piglit] [PATCH 24/29] dispatch: Add support for GLES and EGL stub functions

[Pauli Nieminen]

Add required helpers for GLES and EGL stub functions to check supported
version and extensions. The checks make sure that checks pass only in
correct GL flavor before checking the version.

Signed-off-by: Pauli Nieminen <pauli.nieminen at linux.intel.com>
---
 tests/util/piglit-dispatch.c |   51 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 51 insertions(+), 0 deletions(-)

diff --git a/tests/util/piglit-dispatch.c b/tests/util/piglit-dispatch.c
index 904acc9..9a5971e 100644
--- a/tests/util/piglit-dispatch.c
+++ b/tests/util/piglit-dispatch.c
@@ -23,6 +23,8 @@
 #include "piglit-dispatch.h"
 #include "piglit-util.h"
 
+#include "piglit-util-egl.h"
+
 #ifdef _WIN32
 #define inline __inline
 #endif
@@ -39,6 +41,10 @@
 static int gl_version = 0;
 
 /**
+ * To check if we have ES GL.
+ */
+bool gles;
+/**
  * The GL extension string returned by glGetString(GL_EXTENSIONS).
  *
  * We cache this here because calling glGetString is prohibited
@@ -100,19 +106,63 @@ get_ext_proc(const char *name)
 static inline bool
 check_version(int required_version)
 {
+	if (gles)
+		return false;
 	return gl_version >= required_version;
 }
 
 /**
+ * Generated code calls this function to determine whether a given ES
+ * version is supported.
+ */
+static inline bool
+es_check_version(int required_version)
+{
+	if (!gles)
+		return false;
+	return gl_version/10 == required_version/10 &&
+		gl_version%10 >= required_version%10;
+}
+
+static inline bool
+egl_check_version(int required_version)
+{
+	/* Assume that everything is support if no current context */
+	if (eglGetCurrentDisplay() == EGL_NO_DISPLAY)
+		return true;
+	return piglit_check_egl_version(required_version / 10,
+			required_version % 10);
+}
+
+/**
  * Generated code calls this function to determine whether a given
  * extension is supported.
  */
 static inline bool
 check_extension(const char *name)
 {
+	if (gles)
+		return false;
 	return piglit_is_extension_in_string(gl_extensions, name);
 }
 
+static inline bool
+es_check_extension(const char *name)
+{
+	if (!gles)
+		return false;
+	return piglit_is_extension_in_string(gl_extensions, name);
+}
+
+static inline bool
+egl_check_extension(const char *name)
+{
+	/* Assume that everything is support if no current context */
+	if (eglGetCurrentDisplay() == EGL_NO_DISPLAY)
+		return true;
+	return piglit_is_egl_extension_supported(name);
+}
+
 #include "generated_dispatch.c"
 
 /**
@@ -159,6 +209,7 @@ piglit_dispatch_init(void)
 	 * glGetString does not need to call check_version() or
 	 * check_extension().
 	 */
+	gles = piglit_is_gles();
 	gl_version = piglit_get_gl_version();
 	gl_extensions = (const char *) glGetString(GL_EXTENSIONS);
 }
-- 
1.7.5.4