From 649b9d6ce9736c0a8e6334df1528b789667ee151 Mon Sep 17 00:00:00 2001
From: Bradley Austin Davis <austin@highfidelity.io>
Date: Wed, 5 Aug 2015 13:47:36 -0700
Subject: [PATCH] Fixing signed/unsigned comparisons

---
 libraries/gpu/src/gpu/GLBackend.h           | 4 ++--
 libraries/gpu/src/gpu/GLBackendInput.cpp    | 6 +++---
 libraries/gpu/src/gpu/GLBackendPipeline.cpp | 8 ++++----
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/libraries/gpu/src/gpu/GLBackend.h b/libraries/gpu/src/gpu/GLBackend.h
index d2cf53106f..f3e3b1cc7c 100644
--- a/libraries/gpu/src/gpu/GLBackend.h
+++ b/libraries/gpu/src/gpu/GLBackend.h
@@ -336,7 +336,7 @@ protected:
     // Uniform Stage
     void do_setUniformBuffer(Batch& batch, uint32 paramOffset);
 
-    void releaseUniformBuffer(int slot);
+    void releaseUniformBuffer(uint32_t slot);
     void resetUniformStage();
     struct UniformStageState {
         Buffers _buffers;
@@ -349,7 +349,7 @@ protected:
     // Resource Stage
     void do_setResourceTexture(Batch& batch, uint32 paramOffset);
     
-    void releaseResourceTexture(int slot);
+    void releaseResourceTexture(uint32_t slot);
     void resetResourceStage();
     struct ResourceStageState {
         Textures _textures;
diff --git a/libraries/gpu/src/gpu/GLBackendInput.cpp b/libraries/gpu/src/gpu/GLBackendInput.cpp
index 2faffe1c6c..efbead5da2 100755
--- a/libraries/gpu/src/gpu/GLBackendInput.cpp
+++ b/libraries/gpu/src/gpu/GLBackendInput.cpp
@@ -81,7 +81,7 @@ void GLBackend::killInput() {
 }
 
 void GLBackend::syncInputStateCache() {
-    for (int i = 0; i < _input._attributeActivation.size(); i++) {
+    for (uint32_t i = 0; i < _input._attributeActivation.size(); i++) {
         GLint active = 0;
         glGetVertexAttribiv(i, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &active);
         _input._attributeActivation[i] = active;
@@ -244,7 +244,7 @@ void GLBackend::resetInputStage() {
     glBindBuffer(GL_ARRAY_BUFFER, 0);
 
 
-    for (int i = 0; i < _input._attributeActivation.size(); i++) {
+    for (uint32_t i = 0; i < _input._attributeActivation.size(); i++) {
         glDisableVertexAttribArray(i);
         glVertexAttribPointer(i, 4, GL_FLOAT, GL_FALSE, 0, 0);
     }
@@ -254,7 +254,7 @@ void GLBackend::resetInputStage() {
     _input._invalidFormat = false;
     _input._attributeActivation.reset();
 
-    for (int i = 0; i < _input._buffers.size(); i++) {
+    for (uint32_t i = 0; i < _input._buffers.size(); i++) {
         _input._buffers[i].reset();
         _input._bufferOffsets[i] = 0;
         _input._bufferStrides[i] = 0;
diff --git a/libraries/gpu/src/gpu/GLBackendPipeline.cpp b/libraries/gpu/src/gpu/GLBackendPipeline.cpp
index a1245cf961..d0ed1d51bf 100755
--- a/libraries/gpu/src/gpu/GLBackendPipeline.cpp
+++ b/libraries/gpu/src/gpu/GLBackendPipeline.cpp
@@ -147,7 +147,7 @@ void GLBackend::resetPipelineStage() {
 }
 
 
-void GLBackend::releaseUniformBuffer(int slot) {
+void GLBackend::releaseUniformBuffer(uint32_t slot) {
 #if (GPU_FEATURE_PROFILE == GPU_CORE)
     auto& buf = _uniform._buffers[slot];
     if (buf) {
@@ -164,7 +164,7 @@ void GLBackend::releaseUniformBuffer(int slot) {
 }
 
 void GLBackend::resetUniformStage() {
-    for (int i = 0; i < _uniform._buffers.size(); i++) {
+    for (uint32_t i = 0; i < _uniform._buffers.size(); i++) {
         releaseUniformBuffer(i);
     }
 }
@@ -217,7 +217,7 @@ void GLBackend::do_setUniformBuffer(Batch& batch, uint32 paramOffset) {
 #endif
 }
 
-void GLBackend::releaseResourceTexture(int slot) {
+void GLBackend::releaseResourceTexture(uint32_t slot) {
     auto& tex = _resource._textures[slot];
     if (tex) {
         auto* object = Backend::getGPUObject<GLBackend::GLTexture>(*tex);
@@ -234,7 +234,7 @@ void GLBackend::releaseResourceTexture(int slot) {
 }
 
 void GLBackend::resetResourceStage() {
-    for (int i = 0; i < _resource._textures.size(); i++) {
+    for (uint32_t i = 0; i < _resource._textures.size(); i++) {
         releaseResourceTexture(i);
     }
 }