Use glReadnPixels only if KHR_robustness is supported am: d99ba132d9
am: d01980d03d

Change-Id: I08946ff5a8682be58afe58db7ba462229e1ad8c7
diff --git a/framework/opengl/wrapper/glwInitExtES.inl b/framework/opengl/wrapper/glwInitExtES.inl
index 75a3385..5e8005b 100644
--- a/framework/opengl/wrapper/glwInitExtES.inl
+++ b/framework/opengl/wrapper/glwInitExtES.inl
@@ -34,6 +34,14 @@
 	gl->framebufferTexture	= (glFramebufferTextureFunc)	loader->get("glFramebufferTextureEXT");
 }
 
+if (de::contains(extSet, "GL_EXT_robustness"))
+{
+	gl->getGraphicsResetStatus	= (glGetGraphicsResetStatusFunc)	loader->get("glGetGraphicsResetStatusEXT");
+	gl->getnUniformfv			= (glGetnUniformfvFunc)				loader->get("glGetnUniformfvEXT");
+	gl->getnUniformiv			= (glGetnUniformivFunc)				loader->get("glGetnUniformivEXT");
+	gl->readnPixels				= (glReadnPixelsFunc)				loader->get("glReadnPixelsEXT");
+}
+
 if (de::contains(extSet, "GL_EXT_texture_buffer"))
 {
 	gl->texBuffer		= (glTexBufferFunc)			loader->get("glTexBufferEXT");
diff --git a/modules/gles31/functional/es31fNegativeBufferApiTests.cpp b/modules/gles31/functional/es31fNegativeBufferApiTests.cpp
index 8ca4a9b..63c65e1 100644
--- a/modules/gles31/functional/es31fNegativeBufferApiTests.cpp
+++ b/modules/gles31/functional/es31fNegativeBufferApiTests.cpp
@@ -196,6 +196,7 @@
 
 void readn_pixels (NegativeTestContext& ctx)
 {
+	std::vector<GLfloat>	floatData	(4);
 	std::vector<GLubyte>	ubyteData	(4);
 	GLuint					fbo			= 0x1234;
 
@@ -223,6 +224,8 @@
 	ctx.beginSection("GL_INVALID_OPERATION is generated by ReadnPixels if the buffer size required to store the requested data is larger than bufSize.");
 	ctx.glReadnPixels(0, 0, 0x1234, 0x1234, GL_RGBA, GL_UNSIGNED_BYTE, (int) ubyteData.size(), &ubyteData[0]);
 	ctx.expectError(GL_INVALID_OPERATION);
+	ctx.glReadnPixels(0, 0, 1, 1, GL_RGBA, GL_FLOAT, (int) floatData.size(), &floatData[0]);
+	ctx.expectError(GL_INVALID_OPERATION);
 	ctx.endSection();
 
 	ctx.beginSection("GL_INVALID_FRAMEBUFFER_OPERATION is generated if the currently bound framebuffer is not framebuffer complete.");
@@ -240,7 +243,6 @@
 {
 	std::vector<GLubyte>	ubyteData	(4);
 	std::vector<GLushort>	ushortData	(4);
-	std::vector<GLfloat>	floatData	(4);
 	GLint					readFormat	= 0x1234;
 	GLint					readType	= 0x1234;
 
@@ -257,8 +259,6 @@
 	ctx.expectError(GL_INVALID_OPERATION);
 	ctx.glReadPixels(0, 0, 1, 1, GL_ALPHA, GL_UNSIGNED_SHORT_5_5_5_1, &ushortData[0]);
 	ctx.expectError(GL_INVALID_OPERATION);
-	ctx.glReadnPixels(0, 0, 1, 1, GL_RGBA, GL_FLOAT, (int) floatData.size(), &floatData[0]);
-	ctx.expectError(GL_INVALID_OPERATION);
 	ctx.endSection();
 
 	ctx.beginSection("GL_RGBA/GL_UNSIGNED_BYTE is always accepted and the other acceptable pair can be discovered by querying GL_IMPLEMENTATION_COLOR_READ_FORMAT and GL_IMPLEMENTATION_COLOR_READ_TYPE.");
diff --git a/scripts/opengl/src_util.py b/scripts/opengl/src_util.py
index 6fe4c46..f2dd1d9 100644
--- a/scripts/opengl/src_util.py
+++ b/scripts/opengl/src_util.py
@@ -48,6 +48,7 @@
 	'GL_EXT_geometry_point_size',
 	'GL_EXT_tessellation_shader',
 	'GL_EXT_geometry_shader',
+	'GL_EXT_robustness',
 	'GL_EXT_texture_buffer',
 	'GL_EXT_texture_snorm',
 	'GL_EXT_primitive_bounding_box',