Update headers
diff --git a/api/GLES2/gl2ext.h b/api/GLES2/gl2ext.h
index ee21ac6..d0a3e6a 100644
--- a/api/GLES2/gl2ext.h
+++ b/api/GLES2/gl2ext.h
@@ -38,7 +38,7 @@
#define GL_APIENTRYP GL_APIENTRY*
#endif
-/* Generated on date 20190326 */
+/* Generated on date 20190402 */
/* Generated C header for:
* API: gles2
@@ -3476,6 +3476,47 @@
#define GL_NV_shader_texture_footprint 1
#endif /* GL_NV_shader_texture_footprint */
+#ifndef GL_NV_shading_rate_image
+#define GL_NV_shading_rate_image 1
+#define GL_SHADING_RATE_IMAGE_NV 0x9563
+#define GL_SHADING_RATE_NO_INVOCATIONS_NV 0x9564
+#define GL_SHADING_RATE_1_INVOCATION_PER_PIXEL_NV 0x9565
+#define GL_SHADING_RATE_1_INVOCATION_PER_1X2_PIXELS_NV 0x9566
+#define GL_SHADING_RATE_1_INVOCATION_PER_2X1_PIXELS_NV 0x9567
+#define GL_SHADING_RATE_1_INVOCATION_PER_2X2_PIXELS_NV 0x9568
+#define GL_SHADING_RATE_1_INVOCATION_PER_2X4_PIXELS_NV 0x9569
+#define GL_SHADING_RATE_1_INVOCATION_PER_4X2_PIXELS_NV 0x956A
+#define GL_SHADING_RATE_1_INVOCATION_PER_4X4_PIXELS_NV 0x956B
+#define GL_SHADING_RATE_2_INVOCATIONS_PER_PIXEL_NV 0x956C
+#define GL_SHADING_RATE_4_INVOCATIONS_PER_PIXEL_NV 0x956D
+#define GL_SHADING_RATE_8_INVOCATIONS_PER_PIXEL_NV 0x956E
+#define GL_SHADING_RATE_16_INVOCATIONS_PER_PIXEL_NV 0x956F
+#define GL_SHADING_RATE_IMAGE_BINDING_NV 0x955B
+#define GL_SHADING_RATE_IMAGE_TEXEL_WIDTH_NV 0x955C
+#define GL_SHADING_RATE_IMAGE_TEXEL_HEIGHT_NV 0x955D
+#define GL_SHADING_RATE_IMAGE_PALETTE_SIZE_NV 0x955E
+#define GL_MAX_COARSE_FRAGMENT_SAMPLES_NV 0x955F
+#define GL_SHADING_RATE_SAMPLE_ORDER_DEFAULT_NV 0x95AE
+#define GL_SHADING_RATE_SAMPLE_ORDER_PIXEL_MAJOR_NV 0x95AF
+#define GL_SHADING_RATE_SAMPLE_ORDER_SAMPLE_MAJOR_NV 0x95B0
+typedef void (GL_APIENTRYP PFNGLBINDSHADINGRATEIMAGENVPROC) (GLuint texture);
+typedef void (GL_APIENTRYP PFNGLGETSHADINGRATEIMAGEPALETTENVPROC) (GLuint viewport, GLuint entry, GLenum *rate);
+typedef void (GL_APIENTRYP PFNGLGETSHADINGRATESAMPLELOCATIONIVNVPROC) (GLenum rate, GLuint samples, GLuint index, GLint *location);
+typedef void (GL_APIENTRYP PFNGLSHADINGRATEIMAGEBARRIERNVPROC) (GLboolean synchronize);
+typedef void (GL_APIENTRYP PFNGLSHADINGRATEIMAGEPALETTENVPROC) (GLuint viewport, GLuint first, GLsizei count, const GLenum *rates);
+typedef void (GL_APIENTRYP PFNGLSHADINGRATESAMPLEORDERNVPROC) (GLenum order);
+typedef void (GL_APIENTRYP PFNGLSHADINGRATESAMPLEORDERCUSTOMNVPROC) (GLenum rate, GLuint samples, const GLint *locations);
+#ifdef GL_GLEXT_PROTOTYPES
+GL_APICALL void GL_APIENTRY glBindShadingRateImageNV (GLuint texture);
+GL_APICALL void GL_APIENTRY glGetShadingRateImagePaletteNV (GLuint viewport, GLuint entry, GLenum *rate);
+GL_APICALL void GL_APIENTRY glGetShadingRateSampleLocationivNV (GLenum rate, GLuint samples, GLuint index, GLint *location);
+GL_APICALL void GL_APIENTRY glShadingRateImageBarrierNV (GLboolean synchronize);
+GL_APICALL void GL_APIENTRY glShadingRateImagePaletteNV (GLuint viewport, GLuint first, GLsizei count, const GLenum *rates);
+GL_APICALL void GL_APIENTRY glShadingRateSampleOrderNV (GLenum order);
+GL_APICALL void GL_APIENTRY glShadingRateSampleOrderCustomNV (GLenum rate, GLuint samples, const GLint *locations);
+#endif
+#endif /* GL_NV_shading_rate_image */
+
#ifndef GL_NV_shadow_samplers_array
#define GL_NV_shadow_samplers_array 1
#define GL_SAMPLER_2D_ARRAY_SHADOW_NV 0x8DC4
