Fix compilation regression on Linux.

src/OpenGL/libGLESv2/Context.cpp

@@ -1925,17 +1925,14 @@ bool Context::getIntegerv(GLenum pname, GLint *params)
 		UNIMPLEMENTED();
 		*params = IMPLEMENTATION_MAX_DRAW_BUFFERS;
 		break;
-	case GL_MAX_ELEMENT_INDEX: // integer, at least 16777215
-		UNIMPLEMENTED();
-		*params = 16777215;
+	case GL_MAX_ELEMENT_INDEX:
+		*params = MAX_ELEMENT_INDEX;
 		break;
-	case GL_MAX_ELEMENTS_INDICES: // integer
-		UNIMPLEMENTED();
-		*params = 0;
+	case GL_MAX_ELEMENTS_INDICES:
+		*params = MAX_ELEMENTS_INDICES;
 		break;
-	case GL_MAX_ELEMENTS_VERTICES: // integer
-		UNIMPLEMENTED();
-		*params = 0;
+	case GL_MAX_ELEMENTS_VERTICES:
+		*params = MAX_ELEMENTS_VERTICES;
 		break;
 	case GL_MAX_FRAGMENT_INPUT_COMPONENTS: // integer, at least 128
 		UNIMPLEMENTED();

src/OpenGL/libGLESv2/Context.h

@@ -80,6 +80,9 @@ enum
     MAX_COMBINED_TEXTURE_IMAGE_UNITS = MAX_TEXTURE_IMAGE_UNITS + MAX_VERTEX_TEXTURE_IMAGE_UNITS,
     MAX_FRAGMENT_UNIFORM_VECTORS = FRAGMENT_UNIFORM_VECTORS - 3,    // Reserve space for gl_DepthRange
     MAX_DRAW_BUFFERS = 1,
+	MAX_ELEMENT_INDEX = 0x7FFFFFFF,
+	MAX_ELEMENTS_INDICES = 0x7FFFFFFF,
+	MAX_ELEMENTS_VERTICES = 0x7FFFFFFF
 };
 
 const GLenum compressedTextureFormats[] =

src/OpenGL/libGLESv2/libGLESv2.cpp

@@ -1819,7 +1819,7 @@ void GL_APIENTRY glDrawElements(GLenum mode, GLsizei count, GLenum type, const G
 			return error(GL_INVALID_ENUM);
 		}
 
-		context->drawElements(mode, 0, UINT_MAX, count, type, indices);
+		context->drawElements(mode, 0, MAX_ELEMENT_INDEX, count, type, indices);
 	}
 }
 
@@ -1905,7 +1905,7 @@ void GL_APIENTRY glDrawElementsInstancedEXT(GLenum mode, GLsizei count, GLenum t
 			return error(GL_INVALID_OPERATION);
 		}
 
-		context->drawElements(mode, 0, UINT_MAX, count, type, indices, instanceCount);
+		context->drawElements(mode, 0, MAX_ELEMENT_INDEX, count, type, indices, instanceCount);
 	}
 }
 

src/OpenGL/libGLESv2/libGLESv3.cpp

@@ -2700,7 +2700,7 @@ void GL_APIENTRY glDrawElementsInstanced(GLenum mode, GLsizei count, GLenum type
 			return error(GL_INVALID_OPERATION);
 		}
 
-		context->drawElements(mode, 0, UINT_MAX, count, type, indices, instanceCount);
+		context->drawElements(mode, 0, MAX_ELEMENT_INDEX, count, type, indices, instanceCount);
 	}
 }