libctru 1.7.1

Used to configure whether the Z component of the normal map is used or if
the Z component is reconstructed based on the XY components of the normal map.

Makefile

@@ -9,8 +9,8 @@ endif
 include $(DEVKITARM)/3ds_rules
 
 export CITRO3D_MAJOR	:= 1
-export CITRO3D_MINOR	:= 6
-export CITRO3D_PATCH	:= 2
+export CITRO3D_MINOR	:= 7
+export CITRO3D_PATCH	:= 1
 
 VERSION	:=	$(CITRO3D_MAJOR).$(CITRO3D_MINOR).$(CITRO3D_PATCH)
 
@@ -35,7 +35,7 @@ CFLAGS	:=	-g -Wall -Wno-sizeof-array-div -Werror -mword-relocations \
 			-ffunction-sections -fdata-sections \
 			$(ARCH) $(BUILD_CFLAGS)
 
-CFLAGS	+=	$(INCLUDE) -DARM11 -D_3DS -DCITRO3D_BUILD
+CFLAGS	+=	$(INCLUDE) -D__3DS__ -DCITRO3D_BUILD
 
 CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
 

include/c3d/light.h

@@ -77,6 +77,14 @@ enum
 void C3D_LightEnvFresnel(C3D_LightEnv* env, GPU_FRESNELSEL selector);
 void C3D_LightEnvBumpMode(C3D_LightEnv* env, GPU_BUMPMODE mode);
 void C3D_LightEnvBumpSel(C3D_LightEnv* env, int texUnit);
+
+/**
+ * @brief Configures whether to use the z component of the normal map.
+ * @param[out] env    Pointer to light environment structure.
+ * @param[in]  enable false if the z component is reconstructed from the xy components
+ *                     of the normal map, true if the z component is taken from the normal map.
+ */
+void C3D_LightEnvBumpNormalZ(C3D_LightEnv *env, bool enable);
 void C3D_LightEnvShadowMode(C3D_LightEnv* env, u32 mode);
 void C3D_LightEnvShadowSel(C3D_LightEnv* env, int texUnit);
 void C3D_LightEnvClampHighlights(C3D_LightEnv* env, bool clamp);

include/c3d/maths.h

@@ -13,7 +13,12 @@
  * The one true circumference-to-radius ratio.
  * See http://tauday.com/tau-manifesto
  */
-#define M_TAU (2*M_PI)
+#define M_TAU (6.28318530717958647692528676655900576)
+
+// Define the legacy circle constant as well
+#ifndef M_PI
+#define M_PI (M_TAU/2)
+#endif
 
 /**
  * @brief Convert an angle from revolutions to radians

include/c3d/texture.h

@@ -41,7 +41,7 @@ typedef struct
 	};
 } C3D_Tex;
 
-typedef struct ALIGN(8)
+typedef struct CTR_ALIGN(8)
 {
 	u16 width;
 	u16 height;

include/c3d/types.h

@@ -1,5 +1,5 @@
 #pragma once
-#ifdef _3DS
+#if defined(__3DS__) || defined(_3DS)
 #include <3ds.h>
 #else
 #include <stdbool.h>

include/tex3ds.h

@@ -38,7 +38,7 @@ extern "C" {
 #endif
 
 /** @brief Subtexture
- *  @note If top > bottom, the subtexture is rotated 1/4 revolution counter-clockwise
+ *  @note If top < bottom, the subtexture is rotated 1/4 revolution counter-clockwise
  */
 typedef struct Tex3DS_SubTexture
 {

source/internal.h

@@ -124,6 +124,18 @@ static inline bool C3Di_TexIs2D(C3D_Tex* tex)
 	return !typeIsCube(C3D_TexGetType(tex));
 }
 
+static inline bool addrIsVRAM(const void* addr)
+{
+	u32 vaddr = (u32)addr;
+	return vaddr >= OS_VRAM_VADDR && vaddr < OS_VRAM_VADDR + OS_VRAM_SIZE;
+}
+
+static inline vramAllocPos addrGetVRAMBank(const void* addr)
+{
+	u32 vaddr = (u32)addr;
+	return vaddr < OS_VRAM_VADDR + OS_VRAM_SIZE/2 ? VRAM_ALLOC_A : VRAM_ALLOC_B;
+}
+
 void C3Di_UpdateContext(void);
 void C3Di_AttrInfoBind(C3D_AttrInfo* info);
 void C3Di_BufInfoBind(C3D_BufInfo* info);

source/lightenv.c

@@ -250,6 +250,14 @@ void C3D_LightEnvBumpSel(C3D_LightEnv* env, int texUnit)
 	env->flags |= C3DF_LightEnv_Dirty;
 }
 
+void C3D_LightEnvBumpNormalZ(C3D_LightEnv *env, bool usez) {
+	if (usez)
+		env->conf.config[0] |= BIT(30);
+	else
+		env->conf.config[0] &= ~BIT(30);
+	env->flags |= C3DF_LightEnv_Dirty;
+}
+
 void C3D_LightEnvShadowMode(C3D_LightEnv* env, u32 mode)
 {
 	mode &= 0xF<<16;

source/renderqueue.c

@@ -284,7 +284,10 @@ C3D_RenderTarget* C3D_RenderTargetCreate(int width, int height, GPU_COLORBUF col
 	if (C3D_DEPTHTYPE_OK(depthFmt))
 	{
 		depthFmtReal = C3D_DEPTHTYPE_VAL(depthFmt);
-		depthBuf = vramAlloc(C3D_CalcDepthBufSize(width,height,depthFmtReal));
+		size_t depthSize = C3D_CalcDepthBufSize(width,height,depthFmtReal);
+		vramAllocPos vramBank = addrGetVRAMBank(colorBuf);
+		depthBuf = vramAllocAt(depthSize, vramBank ^ VRAM_ALLOC_ANY); // Attempt opposite bank first...
+		if (!depthBuf) depthBuf = vramAllocAt(depthSize, vramBank); // ... if that fails, attempt same bank
 		if (!depthBuf) goto _fail1;
 	}
 
@@ -313,6 +316,7 @@ _fail0:
 
 C3D_RenderTarget* C3D_RenderTargetCreateFromTex(C3D_Tex* tex, GPU_TEXFACE face, int level, C3D_DEPTHTYPE depthFmt)
 {
+	if (!addrIsVRAM(tex->data)) return NULL; // Render targets must be in VRAM
 	C3D_RenderTarget* target = C3Di_RenderTargetNew();
 	if (!target) return NULL;
 
@@ -322,7 +326,10 @@ C3D_RenderTarget* C3D_RenderTargetCreateFromTex(C3D_Tex* tex, GPU_TEXFACE face,
 	if (C3D_DEPTHTYPE_OK(depthFmt))
 	{
 		GPU_DEPTHBUF depthFmtReal = C3D_DEPTHTYPE_VAL(depthFmt);
-		void* depthBuf = vramAlloc(C3D_CalcDepthBufSize(fb->width,fb->height,depthFmtReal));
+		size_t depthSize = C3D_CalcDepthBufSize(fb->width,fb->height,depthFmtReal);
+		vramAllocPos vramBank = addrGetVRAMBank(tex->data);
+		void* depthBuf = vramAllocAt(depthSize, vramBank ^ VRAM_ALLOC_ANY); // Attempt opposite bank first...
+		if (!depthBuf) depthBuf = vramAllocAt(depthSize, vramBank); // ... if that fails, attempt same bank
 		if (!depthBuf)
 		{
 			free(target);

source/texture.c

@@ -30,12 +30,6 @@ static inline size_t fmtSize(GPU_TEXCOLOR fmt)
 	}
 }
 
-static inline bool addrIsVRAM(const void* addr)
-{
-	u32 vaddr = (u32)addr;
-	return vaddr >= 0x1F000000 && vaddr < 0x1F600000;
-}
-
 static inline bool checkTexSize(u32 size)
 {
 	if (size < 8 || size > 1024)

test/3ds/Makefile

@@ -47,10 +47,10 @@ ICON            :=
 ARCH     := -march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft
 
 CFLAGS   := -g -Wall -O3 -mword-relocations \
-            -fomit-frame-pointer -ffunction-sections \
+            -ffunction-sections \
             $(ARCH)
 
-CFLAGS   +=  $(INCLUDE) -DARM11 -D_3DS
+CFLAGS   +=  $(INCLUDE) -D__3DS__
 
 CXXFLAGS := $(CFLAGS) -fno-rtti -std=gnu++11
 

test/pc/Makefile

@@ -7,7 +7,7 @@ OFILES   := $(addprefix build/,$(CXXFILES:.cpp=.o)) \
 DFILES   := $(wildcard build/*.d)
 
 CFLAGS   := -Wall -g -pipe -I../../include --coverage
-CXXFLAGS := $(CFLAGS) $(CPPFLAGS) -std=gnu++11 -DGLM_FORCE_RADIANS -DGLM_FORCE_CTOR_INIT
+CXXFLAGS := $(CFLAGS) $(CPPFLAGS) -std=gnu++11 -DGLM_FORCE_RADIANS
 LDFLAGS  := $(ARCH) -pipe -lm --coverage
 
 .PHONY: all clean lcov

test/pc/main.cpp

@@ -13,43 +13,41 @@ extern "C" {
 #include <c3d/maths.h>
 }
 
-namespace
-{
-using generator_t    = std::default_random_engine;
-using distribution_t = std::uniform_real_distribution<float>;
+typedef std::default_random_engine            generator_t;
+typedef std::uniform_real_distribution<float> distribution_t;
 
-inline void
+static inline void
 randomMatrix(C3D_Mtx &m, generator_t &g, distribution_t &d)
 {
   for(size_t i = 0; i < 16; ++i)
     m.m[i] = d(g);
 }
 
-inline glm::vec3
+static inline glm::vec3
 randomVector3(generator_t &g, distribution_t &d)
 {
   return glm::vec3(d(g), d(g), d(g));
 }
 
-inline glm::vec4
+static inline glm::vec4
 randomVector4(generator_t &g, distribution_t &d)
 {
   return glm::vec4(d(g), d(g), d(g), d(g));
 }
 
-inline float
+static inline float
 randomAngle(generator_t &g, distribution_t &d)
 {
   return d(g);
 }
 
-inline C3D_FQuat
+static inline C3D_FQuat
 randomQuat(generator_t &g, distribution_t &d)
 {
   return Quat_New(d(g), d(g), d(g), d(g));
 }
 
-inline glm::mat4
+static inline glm::mat4
 loadMatrix(const C3D_Mtx &m)
 {
   return glm::mat4(m.m[ 3], m.m[ 7], m.m[11], m.m[15],
@@ -58,13 +56,13 @@ loadMatrix(const C3D_Mtx &m)
                    m.m[ 0], m.m[ 4], m.m[ 8], m.m[12]);
 }
 
-inline glm::quat
+static inline glm::quat
 loadQuat(const C3D_FQuat &q)
 {
   return glm::quat(q.r, q.i, q.j, q.k);
 }
 
-inline bool
+static inline bool
 operator==(const glm::vec3 &lhs, const C3D_FVec &rhs)
 {
   return std::abs(lhs.x - rhs.x) < 0.001f
@@ -72,13 +70,13 @@ operator==(const glm::vec3 &lhs, const C3D_FVec &rhs)
       && std::abs(lhs.z - rhs.z) < 0.001f;
 }
 
-inline bool
+static inline bool
 operator==(const C3D_FVec &lhs, const glm::vec3 &rhs)
 {
   return rhs == lhs;
 }
 
-inline bool
+static inline bool
 operator==(const glm::vec4 &lhs, const C3D_FVec &rhs)
 {
   return std::abs(lhs.x - rhs.x) < 0.001f
@@ -87,13 +85,13 @@ operator==(const glm::vec4 &lhs, const C3D_FVec &rhs)
       && std::abs(lhs.w - rhs.w) < 0.001f;
 }
 
-inline bool
+static inline bool
 operator==(const C3D_FVec &lhs, const glm::vec4 &rhs)
 {
   return rhs == lhs;
 }
 
-inline bool
+static inline bool
 operator==(const glm::mat4 &lhs, const C3D_Mtx &rhs)
 {
   for(size_t i = 0; i < 4; ++i)
@@ -108,13 +106,13 @@ operator==(const glm::mat4 &lhs, const C3D_Mtx &rhs)
   return true;
 }
 
-inline bool
+static inline bool
 operator==(const C3D_Mtx &lhs, const glm::mat4 &rhs)
 {
   return rhs == lhs;
 }
 
-inline bool
+static inline bool
 operator==(const glm::quat &lhs, const C3D_FQuat &rhs)
 {
   return std::abs(lhs.w - rhs.r) < 0.01f
@@ -123,13 +121,13 @@ operator==(const glm::quat &lhs, const C3D_FQuat &rhs)
       && std::abs(lhs.z - rhs.k) < 0.01f;
 }
 
-inline bool
+static inline bool
 operator==(const C3D_FQuat &lhs, const glm::quat &rhs)
 {
   return rhs == lhs;
 }
 
-inline bool
+static inline bool
 operator==(const C3D_FQuat &lhs, const C3D_FQuat &rhs)
 {
   return std::abs(lhs.r - rhs.r) < 0.01f
@@ -138,28 +136,28 @@ operator==(const C3D_FQuat &lhs, const C3D_FQuat &rhs)
       && std::abs(lhs.k - rhs.k) < 0.01f;
 }
 
-inline void
+static inline void
 print(const C3D_FVec &v)
 {
   std::printf("%s:\n", __PRETTY_FUNCTION__);
   std::printf("% 6.4f % 6.4f % 6.4f % 6.4f\n", v.w, v.x, v.y, v.z);
 }
 
-inline void
+static inline void
 print(const glm::vec3 &v)
 {
   std::printf("%s:\n", __PRETTY_FUNCTION__);
   std::printf("% 6.4f % 6.4f % 6.4f\n", v.x, v.y, v.z);
 }
 
-inline void
+static inline void
 print(const glm::vec4 &v)
 {
   std::printf("%s:\n", __PRETTY_FUNCTION__);
   std::printf("%6.4f % 6.4f % 6.4f % 6.4f\n", v.w, v.x, v.y, v.z);
 }
 
-inline void
+static inline void
 print(const C3D_Mtx &m)
 {
   std::printf("%s:\n", __PRETTY_FUNCTION__);
@@ -173,7 +171,7 @@ print(const C3D_Mtx &m)
   }
 }
 
-inline void
+static inline void
 print(const glm::mat4 &m)
 {
   std::printf("%s:\n", __PRETTY_FUNCTION__);
@@ -187,33 +185,19 @@ print(const glm::mat4 &m)
   }
 }
 
-inline void
+static inline void
 print(const glm::quat &q)
 {
   std::printf("%s:\n", __PRETTY_FUNCTION__);
   std::printf("% 6.4f % 6.4f % 6.4f % 6.4f\n", q.w, q.x, q.y, q.z);
 }
 
-template <typename T, typename U>
-bool compare(const T &actual, const U &expected)
-{
-  if(actual == expected)
-    return true;
+static const glm::vec3 x_axis(1.0f, 0.0f, 0.0f);
+static const glm::vec3 y_axis(0.0f, 1.0f, 0.0f);
+static const glm::vec3 z_axis(0.0f, 0.0f, 1.0f);
+static const glm::vec3 z_flip(1.0f, 1.0f, -1.0f);
 
-  std::printf("Expected:\n");
-  print(expected);
-  std::printf("Actual:\n");
-  print(actual);
-
-  return false;
-}
-
-const glm::vec3 x_axis(1.0f, 0.0f, 0.0f);
-const glm::vec3 y_axis(0.0f, 1.0f, 0.0f);
-const glm::vec3 z_axis(0.0f, 0.0f, 1.0f);
-const glm::vec3 z_flip(1.0f, 1.0f, -1.0f);
-
-void
+static void
 check_matrix(generator_t &gen, distribution_t &dist)
 {
 
@@ -227,7 +211,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
   {
     C3D_Mtx m;
     Mtx_Identity(&m);
-    assert(compare(m, glm::mat4()));
+    assert(m == glm::mat4());
   }
 
   // ortho nominal cases
@@ -246,12 +230,12 @@ check_matrix(generator_t &gen, distribution_t &dist)
     // check near clip plane
     v = Mtx_MultiplyFVecH(&m, FVec3_New((r-l)/2.0f, (t-b)/2.0f, -n));
     v = FVec4_PerspDivide(v);
-    assert(compare(v, FVec4_New(0.0f, 0.0f, -1.0f, 1.0f)));
+    assert(v == FVec4_New(0.0f, 0.0f, -1.0f, 1.0f));
 
     // check far clip plane
     v = Mtx_MultiplyFVecH(&m, FVec3_New((r-l)/2.0f, (t-b)/2.0f, -f));
     v = FVec4_PerspDivide(v);
-    assert(compare(v, FVec4_New(0.0f, 0.0f, 0.0f, 1.0f)));
+    assert(v == FVec4_New(0.0f, 0.0f, 0.0f, 1.0f));
   }
 
   // perspective nominal cases
@@ -268,12 +252,12 @@ check_matrix(generator_t &gen, distribution_t &dist)
     // check near clip plane
     v = Mtx_MultiplyFVecH(&m, FVec3_New(0.0f, 0.0f, -near));
     v = FVec4_PerspDivide(v);
-    assert(compare(v, FVec4_New(0.0f, 0.0f, -1.0f, 1.0f)));
+    assert(v == FVec4_New(0.0f, 0.0f, -1.0f, 1.0f));
 
     // check far clip plane
     v = Mtx_MultiplyFVecH(&m, FVec3_New(0.0f, 0.0f, -far));
     v = FVec4_PerspDivide(v);
-    assert(compare(v, FVec4_New(0.0f, 0.0f, 0.0f, 1.0f)));
+    assert(v == FVec4_New(0.0f, 0.0f, 0.0f, 1.0f));
   }
 
   for(size_t x = 0; x < 10000; ++x)
@@ -292,9 +276,9 @@ check_matrix(generator_t &gen, distribution_t &dist)
       if(Mtx_Inverse(&inv))
       {
         Mtx_Multiply(&id, &m, &inv);
-        assert(compare(id, glm::mat4())); // could still fail due to rounding errors
+        assert(id == glm::mat4()); // could still fail due to rounding errors
         Mtx_Multiply(&id, &inv, &m);
-        assert(compare(id, glm::mat4())); // could still fail due to rounding errors
+        assert(id == glm::mat4()); // could still fail due to rounding errors
       }
     }
 
@@ -324,12 +308,12 @@ check_matrix(generator_t &gen, distribution_t &dist)
       // RH
       Mtx_Persp(&m, fovy, aspect, near, far, false);
       glm::mat4 g = glm::perspective(fovy, aspect, near, far);
-      assert(compare(m, fix_depth*g));
+      assert(m == fix_depth*g);
 
       // LH
       Mtx_Persp(&m, fovy, aspect, near, far, true);
       g = glm::perspective(fovy, aspect, near, far);
-      assert(compare(m, fix_depth*glm::scale(g, z_flip)));
+      assert(m == fix_depth*glm::scale(g, z_flip));
     }
 
     // check perspective tilt
@@ -358,12 +342,12 @@ check_matrix(generator_t &gen, distribution_t &dist)
       // RH
       Mtx_PerspTilt(&m, fovy, aspect, near, far, false);
       glm::mat4 g = glm::perspective(fovx, 1.0f / aspect, near, far);
-      assert(compare(m, fix_depth*g*tilt));
+      assert(m == fix_depth*g*tilt);
 
       // LH
       Mtx_PerspTilt(&m, fovy, aspect, near, far, true);
       g = glm::perspective(fovx, 1.0f / aspect, near, far);
-      assert(compare(m, fix_depth*glm::scale(g, z_flip)*tilt));
+      assert(m == fix_depth*glm::scale(g, z_flip)*tilt);
     }
 
     // check perspective stereo
@@ -410,14 +394,14 @@ check_matrix(generator_t &gen, distribution_t &dist)
       // RH
       Mtx_PerspStereo(&left, fovy, aspect, near, far, -iod, focLen, false);
       Mtx_PerspStereo(&right, fovy, aspect, near, far, iod, focLen, false);
-      assert(compare(left, fix_depth*g*left_eye));
-      assert(compare(right, fix_depth*g*right_eye));
+      assert(left == fix_depth*g*left_eye);
+      assert(right == fix_depth*g*right_eye);
 
       // LH
       Mtx_PerspStereo(&left, fovy, aspect, near, far, -iod, focLen, true);
       Mtx_PerspStereo(&right, fovy, aspect, near, far, iod, focLen, true);
-      assert(compare(left, fix_depth*glm::scale(g*left_eye, z_flip)));
-      assert(compare(right, fix_depth*glm::scale(g*right_eye, z_flip)));
+      assert(left == fix_depth*glm::scale(g*left_eye, z_flip));
+      assert(right == fix_depth*glm::scale(g*right_eye, z_flip));
     }
 
     // check perspective stereo tilt
@@ -464,14 +448,14 @@ check_matrix(generator_t &gen, distribution_t &dist)
       // RH
       Mtx_PerspStereoTilt(&left, fovy, aspect, near, far, -iod, focLen, false);
       Mtx_PerspStereoTilt(&right, fovy, aspect, near, far, iod, focLen, false);
-      assert(compare(left, fix_depth*g*left_eye*tilt));
-      assert(compare(right, fix_depth*g*right_eye*tilt));
+      assert(left == fix_depth*g*left_eye*tilt);
+      assert(right == fix_depth*g*right_eye*tilt);
 
       // LH
       Mtx_PerspStereoTilt(&left, fovy, aspect, near, far, -iod, focLen, true);
       Mtx_PerspStereoTilt(&right, fovy, aspect, near, far, iod, focLen, true);
-      assert(compare(left, fix_depth*glm::scale(g*left_eye, z_flip)*tilt));
-      assert(compare(right, fix_depth*glm::scale(g*right_eye, z_flip)*tilt));
+      assert(left == fix_depth*glm::scale(g*left_eye, z_flip)*tilt);
+      assert(right == fix_depth*glm::scale(g*right_eye, z_flip)*tilt);
     }
 
     // check ortho
@@ -496,12 +480,12 @@ check_matrix(generator_t &gen, distribution_t &dist)
       // RH
       Mtx_Ortho(&m, l, r, b, t, n, f, false);
       glm::mat4 g = glm::ortho(l, r, b, t, n, f);
-      assert(compare(m, fix_depth*g));
+      assert(m == fix_depth*g);
 
       // LH
       Mtx_Ortho(&m, l, r, b, t, n, f, true);
       g = glm::ortho(l, r, b, t, n, f);
-      assert(compare(m, fix_depth*glm::scale(g, z_flip)));
+      assert(m == fix_depth*glm::scale(g, z_flip));
     }
 
     // check ortho tilt
@@ -526,12 +510,12 @@ check_matrix(generator_t &gen, distribution_t &dist)
       // RH
       Mtx_OrthoTilt(&m, l, r, b, t, n, f, false);
       glm::mat4 g = glm::ortho(l, r, b, t, n, f);
-      assert(compare(m, tilt*fix_depth*g));
+      assert(m == tilt*fix_depth*g);
 
       // LH
       Mtx_OrthoTilt(&m, l, r, b, t, n, f, true);
       g = glm::ortho(l, r, b, t, n, f);
-      assert(compare(m, tilt*fix_depth*glm::scale(g, z_flip)));
+      assert(m == tilt*fix_depth*glm::scale(g, z_flip));
     }
 
     // check lookAt
@@ -556,12 +540,12 @@ check_matrix(generator_t &gen, distribution_t &dist)
 
       // RH
       Mtx_LookAt(&m, camera, target, up, false);
-      assert(compare(m, g));
+      assert(m == g);
 
       // LH
       Mtx_LookAt(&m, camera, target, up, true);
       // I can't say for certain that this is the correct test
-      assert(compare(m, glm::scale(glm::mat4(), glm::vec3(-1.0f, 1.0f, -1.0f))*g));
+      assert(m == glm::scale(glm::mat4(), glm::vec3(-1.0f, 1.0f, -1.0f))*g);
     }
 
     // check multiply
@@ -575,7 +559,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
 
       C3D_Mtx result;
       Mtx_Multiply(&result, &m1, &m2);
-      assert(compare(result, g1*g2));
+      assert(result == g1*g2);
     }
 
     // check translate
@@ -587,7 +571,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::vec3 v = randomVector3(gen, dist);
 
       Mtx_Translate(&m, v.x, v.y, v.z, true);
-      assert(compare(m, glm::translate(g, v)));
+      assert(m == glm::translate(g, v));
     }
 
     // check translate (reversed)
@@ -599,7 +583,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::vec3 v = randomVector3(gen, dist);
 
       Mtx_Translate(&m, v.x, v.y, v.z, false);
-      assert(compare(m, glm::translate(glm::mat4(), v)*g));
+      assert(m == glm::translate(glm::mat4(), v)*g);
     }
 
     // check scale
@@ -611,7 +595,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::vec3 v = randomVector3(gen, dist);
 
       Mtx_Scale(&m, v.x, v.y, v.z);
-      assert(compare(m, glm::scale(g, v)));
+      assert(m == glm::scale(g, v));
     }
 
     // check rotate
@@ -625,7 +609,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::vec3 v = randomVector3(gen, dist);
 
       Mtx_Rotate(&m, FVec3_New(v.x, v.y, v.z), r, true);
-      assert(compare(m, glm::rotate(g, r, v)));
+      assert(m == glm::rotate(g, r, v));
     }
 
     // check rotate (reversed)
@@ -639,7 +623,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::vec3 v = randomVector3(gen, dist);
 
       Mtx_Rotate(&m, FVec3_New(v.x, v.y, v.z), r, false);
-      assert(compare(m, glm::rotate(glm::mat4(), r, v)*g));
+      assert(m == glm::rotate(glm::mat4(), r, v)*g);
     }
 
     // check rotate X
@@ -652,7 +636,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::mat4 g = loadMatrix(m);
 
       Mtx_RotateX(&m, r, true);
-      assert(compare(m, glm::rotate(g, r, x_axis)));
+      assert(m == glm::rotate(g, r, x_axis));
     }
 
     // check rotate X (reversed)
@@ -665,7 +649,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::mat4 g = loadMatrix(m);
 
       Mtx_RotateX(&m, r, false);
-      assert(compare(m, glm::rotate(glm::mat4(), r, x_axis)*g));
+      assert(m == glm::rotate(glm::mat4(), r, x_axis)*g);
     }
 
     // check rotate Y
@@ -678,7 +662,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::mat4 g = loadMatrix(m);
 
       Mtx_RotateY(&m, r, true);
-      assert(compare(m, glm::rotate(g, r, y_axis)));
+      assert(m == glm::rotate(g, r, y_axis));
     }
 
     // check rotate Y (reversed)
@@ -691,7 +675,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::mat4 g = loadMatrix(m);
 
       Mtx_RotateY(&m, r, false);
-      assert(compare(m, glm::rotate(glm::mat4(), r, y_axis)*g));
+      assert(m == glm::rotate(glm::mat4(), r, y_axis)*g);
     }
 
     // check rotate Z
@@ -704,7 +688,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::mat4 g = loadMatrix(m);
 
       Mtx_RotateZ(&m, r, true);
-      assert(compare(m, glm::rotate(g, r, z_axis)));
+      assert(m == glm::rotate(g, r, z_axis));
     }
 
     // check rotate Z (reversed)
@@ -717,7 +701,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::mat4 g = loadMatrix(m);
 
       Mtx_RotateZ(&m, r, false);
-      assert(compare(m, glm::rotate(glm::mat4(), r, z_axis)*g));
+      assert(m == glm::rotate(glm::mat4(), r, z_axis)*g);
     }
 
     // check vec3 multiply
@@ -728,7 +712,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::mat4 g = loadMatrix(m);
       glm::vec3 v = randomVector3(gen, dist);
 
-      assert(compare(Mtx_MultiplyFVec3(&m, FVec3_New(v.x, v.y, v.z)), glm::mat3x3(g)*v));
+      assert(Mtx_MultiplyFVec3(&m, FVec3_New(v.x, v.y, v.z)) == glm::mat3x3(g)*v);
     }
 
     // check vec4 multiply
@@ -739,7 +723,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::mat4 g = loadMatrix(m);
       glm::vec4 v = randomVector4(gen, dist);
 
-      assert(compare(Mtx_MultiplyFVec4(&m, FVec4_New(v.x, v.y, v.z, v.w)), g*v));
+      assert(Mtx_MultiplyFVec4(&m, FVec4_New(v.x, v.y, v.z, v.w)) == g*v);
     }
 
     // check vecH multiply
@@ -751,7 +735,7 @@ check_matrix(generator_t &gen, distribution_t &dist)
       glm::vec4 v = randomVector4(gen, dist);
       v.w = 1.0f;
 
-      assert(compare(Mtx_MultiplyFVecH(&m, FVec3_New(v.x, v.y, v.z)), glm::mat4x3(g)*v));
+      assert(Mtx_MultiplyFVecH(&m, FVec3_New(v.x, v.y, v.z)) == glm::mat4x3(g)*v);
     }
 
     // check matrix transpose
@@ -770,9 +754,9 @@ check_matrix(generator_t &gen, distribution_t &dist)
       check = loadMatrix(m);
 
       Mtx_Transpose(&m);
-      assert(compare(m, glm::transpose(check)));
+      assert(m == glm::transpose(check));
       Mtx_Transpose(&m);
-      assert(compare(m, check));
+      assert(m == check);
 
       //Comparing inverse(transpose(m)) == transpose(inverse(m))
       C3D_Mtx m2;
@@ -780,21 +764,21 @@ check_matrix(generator_t &gen, distribution_t &dist)
       Mtx_Transpose(&m2);
       if(Mtx_Inverse(&m2))
       {
-        assert(compare(m2, glm::inverse(glm::transpose(check))));
-        assert(compare(m2, glm::transpose(glm::inverse(check))));
+        assert(m2 == glm::inverse(glm::transpose(check)));
+        assert(m2 == glm::transpose(glm::inverse(check)));
       }
       Mtx_Copy(&m2, &m);
       if(Mtx_Inverse(&m2))
       {
         Mtx_Transpose(&m2);
-        assert(compare(m2, glm::inverse(glm::transpose(check))));
-        assert(compare(m2, glm::transpose(glm::inverse(check))));
+        assert(m2 == glm::inverse(glm::transpose(check)));
+        assert(m2 == glm::transpose(glm::inverse(check)));
       }
     }
   }
 }
 
-void
+static void
 check_quaternion(generator_t &gen, distribution_t &dist)
 {
   // check identity
@@ -802,7 +786,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
     C3D_FQuat q = Quat_Identity();
     glm::quat g;
 
-    assert(compare(q, g));
+    assert(q == g);
   }
 
   for(size_t x = 0; x < 10000; ++x)
@@ -812,7 +796,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       C3D_FQuat q = randomQuat(gen, dist);
       glm::quat g = loadQuat(q);
 
-      assert(compare(Quat_Negate(q), -g));
+      assert(Quat_Negate(q) == -g);
     }
 
     // check addition
@@ -823,7 +807,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       glm::quat g1 = loadQuat(q1);
       glm::quat g2 = loadQuat(q2);
 
-      assert(compare(Quat_Add(q1, q2), g1+g2));
+      assert(Quat_Add(q1, q2) == g1+g2);
     }
 
     // check subtraction
@@ -834,7 +818,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       glm::quat g1 = loadQuat(q1);
       glm::quat g2 = loadQuat(q2);
 
-      assert(compare(Quat_Subtract(q1, q2), g1 + (-g2)));
+      assert(Quat_Subtract(q1, q2) == g1 + (-g2));
     }
 
     // check scale
@@ -844,7 +828,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
 
       float f = dist(gen);
 
-      assert(compare(Quat_Scale(q, f), g*f));
+      assert(Quat_Scale(q, f) == g*f);
     }
 
     // check normalize
@@ -852,7 +836,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       C3D_FQuat q = randomQuat(gen, dist);
       glm::quat g = loadQuat(q);
 
-      assert(compare(Quat_Normalize(q), glm::normalize(g)));
+      assert(Quat_Normalize(q) == glm::normalize(g));
     }
 
     // check dot
@@ -870,7 +854,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       C3D_FQuat q = randomQuat(gen, dist);
       glm::quat g = loadQuat(q);
 
-      assert(compare(Quat_Conjugate(q), glm::conjugate(g)));
+      assert(Quat_Conjugate(q) == glm::conjugate(g));
     }
 
     // check inverse
@@ -878,7 +862,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       C3D_FQuat q = randomQuat(gen, dist);
       glm::quat g = loadQuat(q);
 
-      assert(compare(Quat_Inverse(q), glm::inverse(g)));
+      assert(Quat_Inverse(q) == glm::inverse(g));
     }
 
     // check quaternion multiplication
@@ -888,7 +872,7 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       glm::quat g1 = loadQuat(q1);
       glm::quat g2 = loadQuat(q2);
 
-      assert(compare(Quat_Multiply(q1, q2), g1*g2));
+      assert(Quat_Multiply(q1, q2) == g1*g2);
     }
 
     // check quat pow()
@@ -898,17 +882,17 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       //glm::quat g = loadQuat(q);
       float     r = dist(gen);
 
-      //assert(compare(Quat_Pow(q, r), glm::pow(g, r)));
+      //assert(Quat_Pow(q, r) == glm::pow(g, r));
 
       q = Quat_Normalize(q);
 
       // check trivial cases
-      assert(compare(Quat_Pow(q, 1.0f), q));
-      assert(compare(Quat_Pow(q, 0.0f), Quat_Identity()));
-      assert(compare(Quat_Pow(Quat_Identity(), r), Quat_Identity()));
+      assert(Quat_Pow(q, 1.0f) == q);
+      assert(Quat_Pow(q, 0.0f) == Quat_Identity());
+      assert(Quat_Pow(Quat_Identity(), r) == Quat_Identity());
 
       // validate semantics
-      assert(compare(Quat_Pow(q, r), Quat_Multiply(Quat_Pow(q, r/2), Quat_Pow(q, r/2))));
+      assert(Quat_Pow(q, r) == Quat_Multiply(Quat_Pow(q, r/2), Quat_Pow(q, r/2)));
     }
 
     // check vector multiplication (cross)
@@ -918,8 +902,8 @@ check_quaternion(generator_t &gen, distribution_t &dist)
 
       glm::vec3 v = randomVector3(gen, dist);
 
-      assert(compare(Quat_CrossFVec3(q, FVec3_New(v.x, v.y, v.z)), glm::cross(g, v)));
-      assert(compare(FVec3_CrossQuat(FVec3_New(v.x, v.y, v.z), q), glm::cross(v, g)));
+      assert(Quat_CrossFVec3(q, FVec3_New(v.x, v.y, v.z)) == glm::cross(g, v));
+      assert(FVec3_CrossQuat(FVec3_New(v.x, v.y, v.z), q) == glm::cross(v, g));
     }
 
     // check rotation
@@ -930,8 +914,8 @@ check_quaternion(generator_t &gen, distribution_t &dist)
       glm::vec3 v = randomVector3(gen, dist);
       float     r = randomAngle(gen, dist);
 
-      assert(compare(Quat_Rotate(q, FVec3_New(v.x, v.y, v.z), r, false), glm::rotate(g, r, v)));
-      assert(compare(Quat_Rotate(q, FVec3_New(v.x, v.y, v.z), r, true), glm::rotate(glm::quat(), r, v)*g));
+      assert(Quat_Rotate(q, FVec3_New(v.x, v.y, v.z), r, false) == glm::rotate(g, r, v));
+      assert(Quat_Rotate(q, FVec3_New(v.x, v.y, v.z), r, true) == glm::rotate(glm::quat(), r, v)*g);
     }
 
     // check rotate X
@@ -941,8 +925,8 @@ check_quaternion(generator_t &gen, distribution_t &dist)
 
       float     r = randomAngle(gen, dist);
 
-      assert(compare(Quat_RotateX(q, r, false), glm::rotate(g, r, x_axis)));
-      assert(compare(Quat_RotateX(q, r, true), glm::rotate(glm::quat(), r, x_axis)*g));
+      assert(Quat_RotateX(q, r, false) == glm::rotate(g, r, x_axis));
+      assert(Quat_RotateX(q, r, true) == glm::rotate(glm::quat(), r, x_axis)*g);
     }
 
     // check rotate Y
@@ -952,8 +936,8 @@ check_quaternion(generator_t &gen, distribution_t &dist)
 
       float     r = randomAngle(gen, dist);
 
-      assert(compare(Quat_RotateY(q, r, false), glm::rotate(g, r, y_axis)));
-      assert(compare(Quat_RotateY(q, r, true), glm::rotate(glm::quat(), r, y_axis)*g));
+      assert(Quat_RotateY(q, r, false) == glm::rotate(g, r, y_axis));
+      assert(Quat_RotateY(q, r, true) == glm::rotate(glm::quat(), r, y_axis)*g);
     }
 
     // check rotate Z
@@ -963,8 +947,8 @@ check_quaternion(generator_t &gen, distribution_t &dist)
 
       float     r = randomAngle(gen, dist);
 
-      assert(compare(Quat_RotateZ(q, r, false), glm::rotate(g, r, z_axis)));
-      assert(compare(Quat_RotateZ(q, r, true), glm::rotate(glm::quat(), r, z_axis)*g));
+      assert(Quat_RotateZ(q, r, false) == glm::rotate(g, r, z_axis));
+      assert(Quat_RotateZ(q, r, true) == glm::rotate(glm::quat(), r, z_axis)*g);
     }
 
     // check conversion to matrix
@@ -974,12 +958,10 @@ check_quaternion(generator_t &gen, distribution_t &dist)
 
       C3D_Mtx m;
       Mtx_FromQuat(&m, q);
-      assert(compare(m, glm::mat4_cast(g)));
+      assert(m == glm::mat4_cast(g));
 
       C3D_FQuat q2 = Quat_FromMtx(&m);
-      if(!(q2 == q || q2 == FVec4_Negate(q)))
-        assert(compare(q2, q));
-    }
+      assert(q2 == q || q2 == FVec4_Negate(q));
     }
   }
 }