diff --git a/opengl/include/GLES2/gl2.h b/opengl/include/GLES2/gl2.h
index e1d3b87cc..c139c2517 100644
--- a/opengl/include/GLES2/gl2.h
+++ b/opengl/include/GLES2/gl2.h
@@ -528,7 +528,7 @@ GL_APICALL void         GL_APIENTRY glGenTextures (GLsizei n, GLuint* textures);
 GL_APICALL void         GL_APIENTRY glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetActiveUniform (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetAttachedShaders (GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
-GL_APICALL int          GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name);
+GL_APICALL GLint        GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetBooleanv (GLenum pname, GLboolean* params);
 GL_APICALL void         GL_APIENTRY glGetBufferParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL GLenum       GL_APIENTRY glGetError (void);
@@ -547,7 +547,7 @@ GL_APICALL void         GL_APIENTRY glGetTexParameterfv (GLenum target, GLenum p
 GL_APICALL void         GL_APIENTRY glGetTexParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetUniformfv (GLuint program, GLint location, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetUniformiv (GLuint program, GLint location, GLint* params);
-GL_APICALL int          GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name);
+GL_APICALL GLint        GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribfv (GLuint index, GLenum pname, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribiv (GLuint index, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, GLvoid** pointer);
diff --git a/opengl/libs/GLES2/gl2_api.in b/opengl/libs/GLES2/gl2_api.in
index 9a89a52ca..cccf46c1b 100644
--- a/opengl/libs/GLES2/gl2_api.in
+++ b/opengl/libs/GLES2/gl2_api.in
@@ -169,7 +169,7 @@ void API_ENTRY(glGetActiveUniform)(GLuint program, GLuint index, GLsizei bufsize
 void API_ENTRY(glGetAttachedShaders)(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) {
     CALL_GL_API(glGetAttachedShaders, program, maxcount, count, shaders);
 }
-int API_ENTRY(glGetAttribLocation)(GLuint program, const GLchar* name) {
+GLint API_ENTRY(glGetAttribLocation)(GLuint program, const GLchar* name) {
     CALL_GL_API_RETURN(glGetAttribLocation, program, name);
 }
 void API_ENTRY(glGetBooleanv)(GLenum pname, GLboolean* params) {
@@ -226,7 +226,7 @@ void API_ENTRY(glGetUniformfv)(GLuint program, GLint location, GLfloat* params)
 void API_ENTRY(glGetUniformiv)(GLuint program, GLint location, GLint* params) {
     CALL_GL_API(glGetUniformiv, program, location, params);
 }
-int API_ENTRY(glGetUniformLocation)(GLuint program, const GLchar* name) {
+GLint API_ENTRY(glGetUniformLocation)(GLuint program, const GLchar* name) {
     CALL_GL_API_RETURN(glGetUniformLocation, program, name);
 }
 void API_ENTRY(glGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat* params) {
diff --git a/opengl/libs/GLES_trace/src/gltrace_api.cpp b/opengl/libs/GLES_trace/src/gltrace_api.cpp
index cef6cbb16..2ae4b1112 100644
--- a/opengl/libs/GLES_trace/src/gltrace_api.cpp
+++ b/opengl/libs/GLES_trace/src/gltrace_api.cpp
@@ -2214,7 +2214,7 @@ void GLTrace_glGetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* cou
     glContext->traceGLMessage(&glmsg);
 }
 
-int GLTrace_glGetAttribLocation(GLuint program, const GLchar* name) {
+GLint GLTrace_glGetAttribLocation(GLuint program, const GLchar* name) {
     GLMessage glmsg;
     GLTraceContext *glContext = getGLTraceContext();
 
@@ -2235,7 +2235,7 @@ int GLTrace_glGetAttribLocation(GLuint program, const GLchar* name) {
     // call function
     nsecs_t wallStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
     nsecs_t threadStartTime = systemTime(SYSTEM_TIME_THREAD);
-    int retValue = glContext->hooks->gl.glGetAttribLocation(program, name);
+    GLint retValue = glContext->hooks->gl.glGetAttribLocation(program, name);
     nsecs_t threadEndTime = systemTime(SYSTEM_TIME_THREAD);
     nsecs_t wallEndTime = systemTime(SYSTEM_TIME_MONOTONIC);
 
@@ -2996,7 +2996,7 @@ void GLTrace_glGetUniformiv(GLuint program, GLint location, GLint* params) {
     glContext->traceGLMessage(&glmsg);
 }
 
-int GLTrace_glGetUniformLocation(GLuint program, const GLchar* name) {
+GLint GLTrace_glGetUniformLocation(GLuint program, const GLchar* name) {
     GLMessage glmsg;
     GLTraceContext *glContext = getGLTraceContext();
 
@@ -3017,7 +3017,7 @@ int GLTrace_glGetUniformLocation(GLuint program, const GLchar* name) {
     // call function
     nsecs_t wallStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
     nsecs_t threadStartTime = systemTime(SYSTEM_TIME_THREAD);
-    int retValue = glContext->hooks->gl.glGetUniformLocation(program, name);
+    GLint retValue = glContext->hooks->gl.glGetUniformLocation(program, name);
     nsecs_t threadEndTime = systemTime(SYSTEM_TIME_THREAD);
     nsecs_t wallEndTime = systemTime(SYSTEM_TIME_MONOTONIC);
 
diff --git a/opengl/libs/GLES_trace/src/gltrace_api.h b/opengl/libs/GLES_trace/src/gltrace_api.h
index debcac0ac..309afcb33 100644
--- a/opengl/libs/GLES_trace/src/gltrace_api.h
+++ b/opengl/libs/GLES_trace/src/gltrace_api.h
@@ -78,7 +78,7 @@ void GLTrace_glGenTextures(GLsizei n, GLuint* textures);
 void GLTrace_glGetActiveAttrib(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 void GLTrace_glGetActiveUniform(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 void GLTrace_glGetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
-int GLTrace_glGetAttribLocation(GLuint program, const GLchar* name);
+GLint GLTrace_glGetAttribLocation(GLuint program, const GLchar* name);
 void GLTrace_glGetBooleanv(GLenum pname, GLboolean* params);
 void GLTrace_glGetBufferParameteriv(GLenum target, GLenum pname, GLint* params);
 GLenum GLTrace_glGetError(void);
@@ -97,7 +97,7 @@ void GLTrace_glGetTexParameterfv(GLenum target, GLenum pname, GLfloat* params);
 void GLTrace_glGetTexParameteriv(GLenum target, GLenum pname, GLint* params);
 void GLTrace_glGetUniformfv(GLuint program, GLint location, GLfloat* params);
 void GLTrace_glGetUniformiv(GLuint program, GLint location, GLint* params);
-int GLTrace_glGetUniformLocation(GLuint program, const GLchar* name);
+GLint GLTrace_glGetUniformLocation(GLuint program, const GLchar* name);
 void GLTrace_glGetVertexAttribfv(GLuint index, GLenum pname, GLfloat* params);
 void GLTrace_glGetVertexAttribiv(GLuint index, GLenum pname, GLint* params);
 void GLTrace_glGetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** pointer);
diff --git a/opengl/libs/GLES_trace/src/gltrace_fixup.cpp b/opengl/libs/GLES_trace/src/gltrace_fixup.cpp
index 3597b2601..393265490 100644
--- a/opengl/libs/GLES_trace/src/gltrace_fixup.cpp
+++ b/opengl/libs/GLES_trace/src/gltrace_fixup.cpp
@@ -340,7 +340,7 @@ void fixup_glLinkProgram(GLMessage *glmsg) {
 /** Given a glGetActive[Uniform|Attrib] call, obtain the location
  *  of the variable of given name in the call.
  */
-int getShaderVariableLocation(GLTraceContext *context, GLMessage *glmsg, GLchar *name) {
+GLint getShaderVariableLocation(GLTraceContext *context, GLMessage *glmsg, GLchar *name) {
     GLMessage_Function func = glmsg->function();
     if (func != GLMessage::glGetActiveAttrib && func != GLMessage::glGetActiveUniform) {
         return -1;
@@ -373,7 +373,7 @@ void fixup_glGetActiveAttribOrUniform(GLTraceContext *context, GLMessage *glmsg,
     // In order to make things simpler for the debugger, we also pass
     // a hidden location argument that stores the actual location.
     // append the location value to the end of the argument list
-    int location = getShaderVariableLocation(context, glmsg, (GLchar*)pointersToFixup[3]);
+    GLint location = getShaderVariableLocation(context, glmsg, (GLchar*)pointersToFixup[3]);
     GLMessage_DataType *arg_location = glmsg->add_args();
     arg_location->set_isarray(false);
     arg_location->set_type(GLMessage::DataType::INT);
diff --git a/opengl/libs/entries.in b/opengl/libs/entries.in
index 6316d7898..b9a51a49c 100644
--- a/opengl/libs/entries.in
+++ b/opengl/libs/entries.in
@@ -160,7 +160,7 @@ GL_ENTRY(void, glGenerateMipmapOES, GLenum target)
 GL_ENTRY(void, glGetActiveAttrib, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
 GL_ENTRY(void, glGetActiveUniform, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
 GL_ENTRY(void, glGetAttachedShaders, GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders)
-GL_ENTRY(int, glGetAttribLocation, GLuint program, const GLchar* name)
+GL_ENTRY(GLint, glGetAttribLocation, GLuint program, const GLchar* name)
 GL_ENTRY(void, glGetBooleanv, GLenum pname, GLboolean *params)
 GL_ENTRY(void, glGetBufferParameteriv, GLenum target, GLenum pname, GLint *params)
 GL_ENTRY(void, glGetBufferPointervOES, GLenum target, GLenum pname, GLvoid ** params)
@@ -218,7 +218,7 @@ GL_ENTRY(void, glGetTexParameterfv, GLenum target, GLenum pname, GLfloat *params
 GL_ENTRY(void, glGetTexParameteriv, GLenum target, GLenum pname, GLint *params)
 GL_ENTRY(void, glGetTexParameterxv, GLenum target, GLenum pname, GLfixed *params)
 GL_ENTRY(void, glGetTexParameterxvOES, GLenum target, GLenum pname, GLfixed *params)
-GL_ENTRY(int, glGetUniformLocation, GLuint program, const GLchar* name)
+GL_ENTRY(GLint, glGetUniformLocation, GLuint program, const GLchar* name)
 GL_ENTRY(void, glGetUniformfv, GLuint program, GLint location, GLfloat* params)
 GL_ENTRY(void, glGetUniformiv, GLuint program, GLint location, GLint* params)
 GL_ENTRY(void, glGetVertexAttribPointerv, GLuint index, GLenum pname, GLvoid** pointer)
diff --git a/opengl/libs/trace.in b/opengl/libs/trace.in
index a5c5c8438..e89e45653 100644
--- a/opengl/libs/trace.in
+++ b/opengl/libs/trace.in
@@ -160,7 +160,7 @@ TRACE_GL_VOID(glGenerateMipmapOES, (GLenum target), (target), 1, "GLenum", targe
 TRACE_GL_VOID(glGetActiveAttrib, (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name), (program, index, bufsize, length, size, type, name), 7, "GLuint", program, "GLuint", index, "GLsizei", bufsize, "GLsizei*", length, "GLint*", size, "GLenum*", type, "GLchar*", name)
 TRACE_GL_VOID(glGetActiveUniform, (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name), (program, index, bufsize, length, size, type, name), 7, "GLuint", program, "GLuint", index, "GLsizei", bufsize, "GLsizei*", length, "GLint*", size, "GLenum*", type, "GLchar*", name)
 TRACE_GL_VOID(glGetAttachedShaders, (GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders), (program, maxcount, count, shaders), 4, "GLuint", program, "GLsizei", maxcount, "GLsizei*", count, "GLuint*", shaders)
-TRACE_GL(int, glGetAttribLocation, (GLuint program, const GLchar* name), (program, name), 2, "GLuint", program, "const GLchar*", name)
+TRACE_GL(GLint, glGetAttribLocation, (GLuint program, const GLchar* name), (program, name), 2, "GLuint", program, "const GLchar*", name)
 TRACE_GL_VOID(glGetBooleanv, (GLenum pname, GLboolean *params), (pname, params), 2, "GLenum", pname, "GLboolean *", params)
 TRACE_GL_VOID(glGetBufferParameteriv, (GLenum target, GLenum pname, GLint *params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLint *", params)
 TRACE_GL_VOID(glGetBufferPointervOES, (GLenum target, GLenum pname, GLvoid ** params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLvoid **", params)
@@ -218,7 +218,7 @@ TRACE_GL_VOID(glGetTexParameterfv, (GLenum target, GLenum pname, GLfloat *params
 TRACE_GL_VOID(glGetTexParameteriv, (GLenum target, GLenum pname, GLint *params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLint *", params)
 TRACE_GL_VOID(glGetTexParameterxv, (GLenum target, GLenum pname, GLfixed *params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLfixed *", params)
 TRACE_GL_VOID(glGetTexParameterxvOES, (GLenum target, GLenum pname, GLfixed *params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLfixed *", params)
-TRACE_GL(int, glGetUniformLocation, (GLuint program, const GLchar* name), (program, name), 2, "GLuint", program, "const GLchar*", name)
+TRACE_GL(GLint, glGetUniformLocation, (GLuint program, const GLchar* name), (program, name), 2, "GLuint", program, "const GLchar*", name)
 TRACE_GL_VOID(glGetUniformfv, (GLuint program, GLint location, GLfloat* params), (program, location, params), 3, "GLuint", program, "GLint", location, "GLfloat*", params)
 TRACE_GL_VOID(glGetUniformiv, (GLuint program, GLint location, GLint* params), (program, location, params), 3, "GLuint", program, "GLint", location, "GLint*", params)
 TRACE_GL_VOID(glGetVertexAttribPointerv, (GLuint index, GLenum pname, GLvoid** pointer), (index, pname, pointer), 3, "GLuint", index, "GLenum", pname, "GLvoid**", pointer)
diff --git a/opengl/tests/gl_perf/fill_common.cpp b/opengl/tests/gl_perf/fill_common.cpp
index 389381fb3..fefedc093 100644
--- a/opengl/tests/gl_perf/fill_common.cpp
+++ b/opengl/tests/gl_perf/fill_common.cpp
@@ -189,7 +189,7 @@ static void setupVA() {
 }
 
 static void randUniform(int pgm, const char *var) {
-    int loc = glGetUniformLocation(pgm, var);
+    GLint loc = glGetUniformLocation(pgm, var);
     if (loc >= 0) {
         float x = ((float)rand()) / RAND_MAX;
         float y = ((float)rand()) / RAND_MAX;
@@ -211,7 +211,7 @@ static void doLoop(bool warmup, int pgm, uint32_t passCount) {
     startTimer();
     glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
     for (uint32_t ct=0; ct < passCount; ct++) {
-        int loc = glGetUniformLocation(pgm, "u_texOff");
+        GLint loc = glGetUniformLocation(pgm, "u_texOff");
         glUniform2f(loc, ((float)ct) / passCount, ((float)ct) / 2.f / passCount);
 
         randUniform(pgm, "u_color");
@@ -271,7 +271,7 @@ static void doSingleTest(uint32_t pgmNum, int tex) {
         printf("error running test\n");
         return;
     }
-    int loc = glGetUniformLocation(pgm, "u_tex0");
+    GLint loc = glGetUniformLocation(pgm, "u_tex0");
     if (loc >= 0) glUniform1i(loc, 0);
     loc = glGetUniformLocation(pgm, "u_tex1");
     if (loc >= 0) glUniform1i(loc, 1);
diff --git a/opengl/tools/glgen/specs/gles11/GLES20.spec b/opengl/tools/glgen/specs/gles11/GLES20.spec
index ee88f5921..dda746e48 100644
--- a/opengl/tools/glgen/specs/gles11/GLES20.spec
+++ b/opengl/tools/glgen/specs/gles11/GLES20.spec
@@ -56,7 +56,7 @@ void glGenTextures ( GLsizei n, GLuint *textures )
 void glGetActiveAttrib ( GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, char *name )
 void glGetActiveUniform ( GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, char *name )
 void glGetAttachedShaders ( GLuint program, GLsizei maxcount, GLsizei *count, GLuint *shaders )
-int glGetAttribLocation ( GLuint program, const char *name )
+GLint glGetAttribLocation ( GLuint program, const char *name )
 void glGetBooleanv ( GLenum pname, GLboolean *params )
 void glGetBufferParameteriv ( GLenum target, GLenum pname, GLint *params )
 GLenum glGetError ( void )
@@ -75,7 +75,7 @@ void glGetTexParameterfv ( GLenum target, GLenum pname, GLfloat *params )
 void glGetTexParameteriv ( GLenum target, GLenum pname, GLint *params )
 void glGetUniformfv ( GLuint program, GLint location, GLfloat *params )
 void glGetUniformiv ( GLuint program, GLint location, GLint *params )
-int glGetUniformLocation ( GLuint program, const char *name )
+GLint glGetUniformLocation ( GLuint program, const char *name )
 void glGetVertexAttribfv ( GLuint index, GLenum pname, GLfloat *params )
 void glGetVertexAttribiv ( GLuint index, GLenum pname, GLint *params )
 // void glGetVertexAttribPointerv ( GLuint index, GLenum pname, void **pointer )