return correct values for GL_SHADER_COMPILER and GL_NUM_SHADER_BINARY_FORMATS

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/glshaderinfo.cpp b/tests/glshaderinfo.cpp
new file mode 100644
index 00000000..8ec393a8
--- /dev/null
+++ b/tests/glshaderinfo.cpp
@@ -0,0 +1,52 @@
+#define GL_GLEXT_PROTOTYPES
+#define EGL_EGLEXT_PROTOTYPES
+
+#define _GNU_SOURCE
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+#include <unistd.h>
+#ifdef __APPLE__
+#include <OpenGL/gl.h>
+#include <Glut/glut.h>
+#else
+#include <GL/gl.h>
+#include <GL/glut.h>
+#endif
+
+#include <assert.h>
+#include <emscripten.h>
+
+int main(int argc, char *argv[])
+{
+   /* Initialize the window */
+   glutInit(&argc, argv);
+   glutInitWindowSize(300, 300);
+   glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+
+   glutCreateWindow("es2gears");
+
+   GLint shaderCompiler; 
+   glGetIntegerv(GL_SHADER_COMPILER, &shaderCompiler);
+
+   GLint numShaderBinaryFormats; 
+   glGetIntegerv(GL_NUM_SHADER_BINARY_FORMATS, &numShaderBinaryFormats);
+
+   printf("%d,%d\n", shaderCompiler, numShaderBinaryFormats);
+
+   if (!shaderCompiler && numShaderBinaryFormats == 0) {
+      printf("In current environment, the GLES2 implementation IS NOT standard conforming! "
+           "GL_SHADER_COMPILER == GL_FALSE and GL_NUM_SHADER_BINARY_FORMATS == 0! "
+           "In GLES2 spec, either compiling shaders or binary shaders must be supported! (Section 2.10 - Vertex Shaders)\n");
+      int result = 0;
+      REPORT_RESULT();
+   } else {
+      assert(numShaderBinaryFormats == 0);
+      int result = 1;
+      REPORT_RESULT();
+   }
+   return 0;
+}