Move vertex format to utils.

Makefile

@@ -21,7 +21,7 @@ cpp/math.cpp
 
 OUTPUTFILE = engine.so
 
-CXXFLAGS = -fpic -Wall -Werror -O2 -flto -fomit-frame-pointer -ffast-math -funroll-loops -fno-rtti -fno-exceptions
+CXXFLAGS = -std=c++17 -Wall -Werror -O2 -msse2 -fpic -flto -fno-rtti -fno-exceptions
 
 .PHONY: all
 all: clean $(OUTPUTFILE)

__init__.py

@@ -21,6 +21,12 @@ _engine = ctypes.cdll.LoadLibrary(Path(__file__).parent / "engine.so")
 
 # types.hpp
 
+_handle = ctypes.c_void_p
+
+def _check_handle(result, func, arguments):
+    assert result
+    return result
+
 def _flag(x):
     return 1 << x
 
@@ -38,6 +44,10 @@ def _ushort_addr(x):
     assert x.typecode == 'H'
     return x.buffer_info()[0]
 
+def _uint_addr(x):
+    assert x.typecode == 'I'
+    return x.buffer_info()[0]
+
 def _float_addr(x):
     assert x.typecode == 'f'
     return x.buffer_info()[0]
@@ -138,6 +148,7 @@ mat4_identity = mat4(
     vec4_origin)
 
 vec3_rotate = _engine.rk_vec3_rotate
+vec3_rotate.restype = None
 vec3_rotate.argtypes = (
     _vec3_p, # ret
     _vec3_p, # vec3
@@ -145,30 +156,35 @@ vec3_rotate.argtypes = (
     ctypes.c_float) # angle
 
 vec3_mul_vec3 = _engine.rk_vec3_mul_vec3
+vec3_mul_vec3.restype = None
 vec3_mul_vec3.argtypes = (
     _vec3_p, # ret
     _vec3_p, # a
     _vec3_p) # b
 
 mat3_rotation = _engine.rk_mat3_rotation
+mat3_rotation.restype = None
 mat3_rotation.argtypes = (
     _mat3_p, # ret
     _vec3_p, # axis
     ctypes.c_float) # angle
 
 mat3_mul_vec3 = _engine.rk_mat3_mul_vec3
+mat3_mul_vec3.restype = None
 mat3_mul_vec3.argtypes = (
     _vec3_p, # ret
     _mat3_p, # a
     _vec3_p) # b
 
 mat3_mul_mat3 = _engine.rk_mat3_mul_mat3
+mat3_mul_mat3.restype = None
 mat3_mul_mat3.argtypes = (
     _mat3_p, # ret
     _mat3_p, # a
     _mat3_p) # b
 
 mat4_projection = _engine.rk_mat4_projection
+mat4_projection.restype = None
 mat4_projection.argtypes = (
     _mat4_p, # ret
     ctypes.c_float, # hfov
@@ -177,12 +193,14 @@ mat4_projection.argtypes = (
     ctypes.c_float) # far
 
 mat4_lookat = _engine.rk_mat4_lookat
+mat4_lookat.restype = None
 mat4_lookat.argtypes = (
     _mat4_p, # ret
     _vec3_p, # position
     _vec3_p) # lookat
 
 mat4_orbit = _engine.rk_mat4_orbit
+mat4_orbit.restype = None
 mat4_orbit.argtypes = (
     _mat4_p, # ret
     _vec3_p, # origin
@@ -191,6 +209,7 @@ mat4_orbit.argtypes = (
     ctypes.c_float) # distance
 
 mat4_mul_vec3 = _engine.rk_mat4_mul_vec3
+mat4_mul_vec3.restype = None
 mat4_mul_vec3.argtypes = (
     _vec3_p, # ret
     _mat4_p, # a
@@ -198,12 +217,14 @@ mat4_mul_vec3.argtypes = (
     ctypes.c_float) # w
 
 mat4_mul_vec4 = _engine.rk_mat4_mul_vec4
+mat4_mul_vec4.restype = None
 mat4_mul_vec4.argtypes = (
     _vec4_p, # ret
     _mat4_p, # a
     _vec4_p) # b
 
 mat4_mul_mat4 = _engine.rk_mat4_mul_mat4
+mat4_mul_mat4.restype = None
 mat4_mul_mat4.argtypes = (
     _mat4_p, # ret
     _mat4_p, # a
@@ -212,17 +233,20 @@ mat4_mul_mat4.argtypes = (
 # display.hpp
 
 create_display = _engine.rk_create_display
-create_display.restype = ctypes.c_void_p
+create_display.restype = _handle
+create_display.errcheck = _check_handle
 create_display.argtypes = (
     ctypes.c_char_p, # name
     ctypes.c_uint, # width
     ctypes.c_uint) # height
 
 destroy_display = _engine.rk_destroy_display
+destroy_display.restype = None
 destroy_display.argtypes = (
     ctypes.c_void_p,) # display
 
 swap_buffers = _engine.rk_swap_buffers
+swap_buffers.restype = None
 swap_buffers.argtypes = (
     ctypes.c_void_p,) # display
 
@@ -244,34 +268,28 @@ TEXTURE_FLAG_MAG_NEAREST = 0
 TEXTURE_FLAG_MAG_LINEAR = _flag(3)
 
 VERTEX_FORMAT_VEC3_FLOAT = 1
-VERTEX_FORMAT_VEC3_INT10 = 2
+VERTEX_FORMAT_VEC3_SHORT = 2
-VERTEX_FORMAT_VEC3_UINT10 = 3
+VERTEX_FORMAT_VEC3_INT10 = 3
+VERTEX_FORMAT_VEC3_UINT10 = 4
+VERTEX_FORMAT_MAT3_FLOAT = 5
+VERTEX_FORMAT_MAT3_INT10 = 6
 VERTEX_FORMAT_NORMALIZE = _flag(7)
+_VERTEX_FORMAT_MASK = VERTEX_FORMAT_NORMALIZE - 1
 
 def vertex_format(*format):
     return array('B', format).tobytes()
 
-PARAM_FORMAT_VEC3_FLOAT = 1
+_VERTEX_TYPES = (
-PARAM_FORMAT_VEC3_SHORT = 2
-PARAM_FORMAT_VEC3_INT10 = 3
-PARAM_FORMAT_MAT3_FLOAT = 4
-PARAM_FORMAT_MAT3_INT10 = 5
-PARAM_FORMAT_NORMALIZE = _flag(7)
-_PARAM_FORMAT_MASK = PARAM_FORMAT_NORMALIZE - 1
-
-_PARAMS_TYPES = (
     None,
-    vec3, # PARAM_FORMAT_VEC3_FLOAT
+    vec3, # VERTEX_FORMAT_VEC3_FLOAT
-    vec3, # PARAM_FORMAT_VEC3_SHORT
+    vec3, # VERTEX_FORMAT_VEC3_SHORT
-    vec3, # PARAM_FORMAT_VEC3_INT10
+    vec3, # VERTEX_FORMAT_VEC3_INT10
-    mat3, # PARAM_FORMAT_MAT3_FLOAT
+    vec3, # VERTEX_FORMAT_VEC3_UINT10
-    mat3) # PARAM_FORMAT_MAT3_INT10
+    mat3, # VERTEX_FORMAT_MAT3_FLOAT
+    mat3) # VERTEX_FORMAT_MAT3_INT10
 
-def param_type(format):
+def vertex_type(format):
-    return _PARAMS_TYPES[format & _PARAM_FORMAT_MASK]
+    return _VERTEX_TYPES[format & _VERTEX_FORMAT_MASK]
-
-def params_format(*format):
-    return array('B', format).tobytes()
 
 INSTANCE_FLAG_SPAWNED = _flag(0)
 INSTANCE_FLAG_VISIBLE = _flag(1)
@@ -279,42 +297,46 @@ INSTANCE_FLAG_VISIBLE = _flag(1)
 BATCH_MAX_SIZE = 65536
 
 render_initialize = _engine.rk_render_initialize
+render_initialize.restype = None
 render_initialize.argtypes = (
     ctypes.c_bool,) # debug
 
 render_terminate = _engine.rk_render_terminate
+render_terminate.restype = None
 
-_load_shader = _engine.rk_load_shader
+_create_shader = _engine.rk_create_shader
-_load_shader.restype = ctypes.c_void_p
+_create_shader.restype = _handle
-_load_shader.argtypes = (
+_create_shader.errcheck = _check_handle
+_create_shader.argtypes = (
     ctypes.c_uint, # vert_nlines
     ctypes.POINTER(ctypes.c_char_p), # vert_lines
     ctypes.c_uint, # frag_nlines
     ctypes.POINTER(ctypes.c_char_p)) # frag_lines
 
-def load_shader(vert_lines, frag_lines):
+def create_shader(vert_lines, frag_lines):
     vert_nlines = len(vert_lines)
     vert_type = ctypes.c_char_p * vert_nlines
     vert_lines = vert_type(*map(ctypes.c_char_p, vert_lines))
     frag_nlines = len(frag_lines)
     frag_type = ctypes.c_char_p * frag_nlines
     frag_lines = frag_type(*map(ctypes.c_char_p, frag_lines))
-    return _load_shader(vert_nlines, vert_lines, frag_nlines, frag_lines)
+    return _create_shader(vert_nlines, vert_lines, frag_nlines, frag_lines)
 
 resolve_input = _engine.rk_resolve_input
-resolve_input.restype = ctypes.c_void_p
+resolve_input.restype = _handle
 resolve_input.argtypes = (
     ctypes.c_void_p, # shader
     ctypes.c_char_p) # name
 
 resolve_param = _engine.rk_resolve_param
-resolve_param.restype = ctypes.c_void_p
+resolve_param.restype = _handle
 resolve_param.argtypes = (
     ctypes.c_void_p, # shader
     ctypes.c_char_p) # name
 
 _create_texture = _engine.rk_create_texture
-_create_texture.restype = ctypes.c_void_p
+_create_texture.restype = _handle
+_create_texture.errcheck = _check_handle
 _create_texture.argtypes = (
     ctypes.c_uint, # format
     ctypes.c_uint, # width
@@ -329,7 +351,8 @@ def create_texture(format, width, height, nlevels, flags, pixels):
     return _create_texture(format, width, height, nlevels, flags, _void_addr(pixels))
 
 _create_triangles = _engine.rk_create_triangles
-_create_triangles.restype = ctypes.c_void_p
+_create_triangles.restype = _handle
+_create_triangles.errcheck = _check_handle
 _create_triangles.argtypes = (
     ctypes.c_uint, # nvertices
     ctypes.c_void_p) # vertices
@@ -339,107 +362,136 @@ def create_triangles(vertices):
     return _create_triangles(len(vertices) // 3, _float_addr(vertices))
 
 _create_vertices = _engine.rk_create_vertices
-_create_vertices.restype = ctypes.c_void_p
+_create_vertices.restype = _handle
+_create_vertices.errcheck = _check_handle
 _create_vertices.argtypes = (
     ctypes.c_char_p, # format
     ctypes.c_uint, # nvertices
     ctypes.c_void_p, # vertices
     ctypes.c_uint, # nindices
-    ctypes.c_void_p) # indices
+    ctypes.c_void_p, # vertices
+    ctypes.c_uint, # nmeshes
+    ctypes.c_void_p) # meshes
 
-def create_vertices(format, nvertices, vertices, indices):
+def create_vertices(format, nvertices, vertices, indices, meshes):
-    return _create_vertices(format, nvertices, _ubyte_addr(vertices), len(indices), _ushort_addr(indices))
+    assert len(meshes) % 2 == 0
+    return _create_vertices(format,
+        nvertices, _ubyte_addr(vertices), len(indices), _ushort_addr(indices), len(meshes) // 2, _uint_addr(meshes))
 
 create_batch = _engine.rk_create_batch
-create_batch.restype = ctypes.c_void_p
+create_batch.restype = _handle
+create_batch.errcheck = _check_handle
 create_batch.argtypes = (
     ctypes.c_void_p, # vertices
     ctypes.c_uint, # max_size
-    ctypes.c_uint, # max_meshes
     ctypes.c_char_p) # params_format
 
-begin_frame = _engine.rk_begin_frame
+fill_batch = _engine.rk_fill_batch
+fill_batch.restype = None
+fill_batch.argtypes = (
+    ctypes.c_void_p, # batch
+    ctypes.c_uint, # count
+    ctypes.POINTER(ctypes.c_ubyte), # flags
+    ctypes.POINTER(ctypes.c_ushort), # meshes
+    ctypes.POINTER(ctypes.c_void_p)) # params
+
+clear_buffer = _engine.rk_clear_buffer
+clear_buffer.restype = None
+clear_buffer.argtypes = (
+    ctypes.c_bool, # pixels
+    ctypes.c_bool, # depth
+    ctypes.c_bool) # stencil
 
 select_shader = _engine.rk_select_shader
+select_shader.restype = None
 select_shader.argtypes = (
     ctypes.c_void_p,) # shader
 
 set_input_float = _engine.rk_set_input_float
+set_input_float.restype = None
 set_input_float.argtypes = (
     ctypes.c_void_p, # input
     ctypes.c_float) # value
 
 set_input_vec3 = _engine.rk_set_input_vec3
+set_input_vec3.restype = None
 set_input_vec3.argtypes = (
     ctypes.c_void_p, # input
     _vec3_p) # value
 
 set_input_mat3 = _engine.rk_set_input_mat3
+set_input_mat3.restype = None
 set_input_mat3.argtypes = (
     ctypes.c_void_p, # input
     _mat3_p) # value
 
 set_input_mat4 = _engine.rk_set_input_mat4
+set_input_mat4.restype = None
 set_input_mat4.argtypes = (
     ctypes.c_void_p, # input
     _mat4_p) # value
 
 set_param_vec3 = _engine.rk_set_param_vec3
+set_param_vec3.restype = None
 set_param_vec3.argtypes = (
     ctypes.c_uint, # layout
     _vec3_p) # value
 
 set_param_mat3 = _engine.rk_set_param_mat3
+set_param_mat3.restype = None
 set_param_mat3.argtypes = (
     ctypes.c_uint, # layout
     _mat3_p) # value
 
 select_texture = _engine.rk_select_texture
+select_texture.restype = None
 select_texture.argtypes = (
     ctypes.c_uint, # slot
-    ctypes.c_void_p, # texture
+    ctypes.c_void_p) # texture
-    ctypes.c_void_p) # sampler
 
 draw_triangles = _engine.rk_draw_triangles
+draw_triangles.restype = None
 draw_triangles.argtypes = (
     ctypes.c_void_p,) # triangles
 
 draw_batch = _engine.rk_draw_batch
+draw_batch.restype = None
 draw_batch.argtypes = (
-    ctypes.c_void_p, # batch
+    ctypes.c_void_p,) # batch
-    ctypes.c_uint, # count
-    ctypes.POINTER(ctypes.c_ubyte), # flags
-    ctypes.POINTER(ctypes.c_uint), # meshes
-    ctypes.POINTER(ctypes.c_void_p)) # params
 
 unselect_texture = _engine.rk_unselect_texture
+unselect_texture.restype = None
 unselect_texture.argtypes = (
     ctypes.c_uint, # slot
     ctypes.c_void_p) # texture
 
 unselect_shader = _engine.rk_unselect_shader
+unselect_shader.restype = None
 unselect_shader.argtypes = (
     ctypes.c_void_p,) # shader
 
-end_frame = _engine.rk_end_frame
-
 destroy_batch = _engine.rk_destroy_batch
+destroy_batch.restype = None
 destroy_batch.argtypes = (
     ctypes.c_void_p,) # batch
 
 destroy_triangles = _engine.rk_destroy_triangles
+destroy_triangles.restype = None
 destroy_triangles.argtypes = (
     ctypes.c_void_p,) # triangles
 
 destroy_vertices = _engine.rk_destroy_vertices
+destroy_vertices.restype = None
 destroy_vertices.argtypes = (
     ctypes.c_void_p,) # vertices
 
 destroy_texture = _engine.rk_destroy_texture
+destroy_texture.restype = None
 destroy_texture.argtypes = (
     ctypes.c_void_p,) # texture
 
 destroy_shader = _engine.rk_destroy_shader
+destroy_shader.restype = None
 destroy_shader.argtypes = (
     ctypes.c_void_p,) # shader
 
@@ -483,21 +535,25 @@ class Event(ctypes.Structure):
     _fields_ = ('type', ctypes.c_uint), ('data', _Events)
 
 create_events = _engine.rk_create_events
-create_events.restype = ctypes.c_void_p
+create_events.restype = _handle
+create_events.errcheck = _check_handle
 create_events.argtypes = (
     ctypes.c_void_p,) # display
 
 destroy_events = _engine.rk_destroy_events
+destroy_events.restype = None
 destroy_events.argtypes = (
     ctypes.c_void_p, # display
     ctypes.c_void_p) # events
 
 set_key_autorepeat = _engine.rk_set_key_autorepeat
+set_key_autorepeat.restype = None
 set_key_autorepeat.argtypes = (
     ctypes.c_void_p, # events
     ctypes.c_bool) # autorepeat
 
 set_motion_acceleration = _engine.rk_set_motion_acceleration
+set_motion_acceleration.restype = None
 set_motion_acceleration.argtypes = (
     ctypes.c_void_p, # events
     ctypes.c_uint, # numerator

cpp/math.cpp

@@ -19,7 +19,7 @@ void rk_vec3_rotate(
     rk_vec3 & ret,
     rk_vec3 const & vec3,
     rk_vec3 const & axis,
-    float const angle) {
+    rk_float const angle) {
     ret = glm::angleAxis(angle, axis) * vec3;
 }
 
@@ -33,7 +33,7 @@ void rk_vec3_mul_vec3(
 void rk_mat3_rotation(
     rk_mat3 & ret,
     rk_vec3 const & axis,
-    float const angle) {
+    rk_float const angle) {
     ret = glm::mat3_cast(glm::angleAxis(angle, axis));
 }
 
@@ -53,10 +53,10 @@ void rk_mat3_mul_mat3(
 
 void rk_mat4_projection(
     rk_mat4 & ret,
-    float hfov,
+    rk_float hfov,
-    float ratio,
+    rk_float ratio,
-    float near,
+    rk_float near,
-    float far) {
+    rk_float far) {
     ret = glm::perspectiveRH(hfov, ratio, near, far);
 }
 
@@ -70,9 +70,9 @@ void rk_mat4_lookat(
 void rk_mat4_orbit(
     rk_mat4 & ret,
     rk_vec3 const & origin,
-    float const yaw,
+    rk_float const yaw,
-    float const pitch,
+    rk_float const pitch,
-    float const distance) {
+    rk_float const distance) {
     ret = glm::translate(
         glm::lookAtRH(glm::vec3(0.f, -distance, 0.f), vec3_origin, vec3_up) *
             glm::mat4(glm::angleAxis(pitch, vec3_right) * glm::angleAxis(yaw, vec3_up)),
@@ -83,7 +83,7 @@ void rk_mat4_mul_vec3(
     rk_vec3 & ret,
     rk_mat4 const & a,
     rk_vec3 const & b,
-    float const w) {
+    rk_float const w) {
     ret = glm::vec3(a * glm::vec4(b, w));
 }
 

cpp/math.hpp

@@ -26,6 +26,14 @@ typedef glm::vec4 rk_vec4;
 typedef glm::mat3 rk_mat3;
 typedef glm::mat4 rk_mat4;
 
+#define RK_CHECK_MATH_TYPE(_t, _e, _c) static_assert(sizeof(_t) == sizeof(_e) * (_c))
+
+RK_CHECK_MATH_TYPE(rk_vec2, float, 2);
+RK_CHECK_MATH_TYPE(rk_vec3, float, 3);
+RK_CHECK_MATH_TYPE(rk_vec4, float, 4);
+RK_CHECK_MATH_TYPE(rk_mat3, rk_vec3, 3);
+RK_CHECK_MATH_TYPE(rk_mat4, rk_vec4, 4);
+
 #define vec3_right   (rk_vec3(1.f, 0.f, 0.f))
 #define vec3_forward (rk_vec3(0.f, 1.f, 0.f))
 #define vec3_up      (rk_vec3(0.f, 0.f, 1.f))
@@ -35,7 +43,7 @@ RK_EXPORT void rk_vec3_rotate(
     rk_vec3 & ret,
     rk_vec3 const & vec3,
     rk_vec3 const & axis,
-    float const angle);
+    rk_float const angle);
 
 RK_EXPORT void rk_vec3_mul_vec3(
     rk_vec3 & ret,
@@ -45,7 +53,7 @@ RK_EXPORT void rk_vec3_mul_vec3(
 RK_EXPORT void rk_mat3_rotation(
     rk_mat3 & ret,
     rk_vec3 const & axis,
-    float const angle);
+    rk_float const angle);
 
 RK_EXPORT void rk_mat3_mul_vec3(
     rk_vec3 & ret,
@@ -59,10 +67,10 @@ RK_EXPORT void rk_mat3_mul_mat3(
 
 RK_EXPORT void rk_mat4_projection(
     rk_mat4 & ret,
-    float hfov,
+    rk_float hfov,
-    float ratio,
+    rk_float ratio,
-    float near,
+    rk_float near,
-    float far);
+    rk_float far);
 
 RK_EXPORT void rk_mat4_lookat(
     rk_mat4 & ret,
@@ -72,15 +80,15 @@ RK_EXPORT void rk_mat4_lookat(
 RK_EXPORT void rk_mat4_orbit(
     rk_mat4 & ret,
     rk_vec3 const & origin,
-    float const yaw,
+    rk_float const yaw,
-    float const pitch,
+    rk_float const pitch,
-    float const distance);
+    rk_float const distance);
 
 RK_EXPORT void rk_mat4_mul_vec3(
     rk_vec3 & ret,
     rk_mat4 const & a,
     rk_vec3 const & b,
-    float const w);
+    rk_float const w);
 
 RK_EXPORT void rk_mat4_mul_vec4(
     rk_vec4 & ret,

cpp/render.hpp

@@ -27,14 +27,18 @@ typedef rk_handle_t rk_triangles_t;
 typedef rk_handle_t rk_vertices_t;
 typedef rk_handle_t rk_batch_t;
 
-enum rk_texture_format : rk_uint {
+typedef rk_uint rk_texture_format;
+
+enum : rk_texture_format {
     RK_TEXTURE_FORMAT_SRGB8_A8 = 0,
     RK_TEXTURE_FORMAT_RGBA8 = 1,
     RK_TEXTURE_FORMAT_RGB10_A2 = 2,
     RK_TEXTURE_FORMAT_FLOAT_32 = 3
 };
 
-enum rk_texture_flags : rk_uint {
+typedef rk_uint rk_texture_flags;
+
+enum : rk_texture_flags {
     RK_TEXTURE_FLAG_3D = RK_FLAG(0),
     RK_TEXTURE_FLAG_MIPMAPS = RK_FLAG(1),
     RK_TEXTURE_FLAG_MIN_NEAREST = 0,
@@ -43,41 +47,40 @@ enum rk_texture_flags : rk_uint {
     RK_TEXTURE_FLAG_MAG_LINEAR = RK_FLAG(3),
 };
 
-enum rk_vertex_format : rk_ubyte {
+typedef rk_ubyte rk_vertex_format;
+
+enum : rk_vertex_format {
     RK_VERTEX_FORMAT_VEC3_FLOAT = 1,
-    RK_VERTEX_FORMAT_VEC3_INT10 = 2,
+    RK_VERTEX_FORMAT_VEC3_SHORT = 2,
-    RK_VERTEX_FORMAT_VEC3_UINT10 = 3
+    RK_VERTEX_FORMAT_VEC3_INT10 = 3,
+    RK_VERTEX_FORMAT_VEC3_UINT10 = 4,
+    RK_VERTEX_FORMAT_MAT3_FLOAT = 5,
+    RK_VERTEX_FORMAT_MAT3_INT10 = 6,
+    RK_VERTEX_FORMAT_NORMALIZE = RK_FLAG(7),
+    RK_VERTEX_FORMAT_MASK = RK_VERTEX_FORMAT_NORMALIZE - 1
 };
 
-enum : rk_ubyte { RK_VERTEX_FORMAT_NORMALIZE = RK_FLAG(7) };
+typedef rk_ubyte rk_instance_flags;
-enum : rk_ubyte { RK_VERTEX_FORMAT_MASK = RK_VERTEX_FORMAT_NORMALIZE - 1 };
 
-enum rk_param_format : rk_ubyte {
+enum : rk_instance_flags {
-    RK_PARAM_FORMAT_VEC3_FLOAT = 1,
-    RK_PARAM_FORMAT_VEC3_SHORT = 2,
-    RK_PARAM_FORMAT_VEC3_INT10 = 3,
-    RK_PARAM_FORMAT_MAT3_FLOAT = 4,
-    RK_PARAM_FORMAT_MAT3_INT10 = 5
-};
-
-enum : rk_ubyte { RK_PARAM_FORMAT_NORMALIZE = RK_FLAG(7) };
-enum : rk_ubyte { RK_PARAM_FORMAT_MASK = RK_PARAM_FORMAT_NORMALIZE - 1 };
-
-enum rk_instance_flags : rk_ubyte {
     RK_INSTANCE_FLAG_SPAWNED = RK_FLAG(0),
-    RK_INSTANCE_FLAG_VISIBLE = RK_FLAG(1)
+    RK_INSTANCE_FLAG_VISIBLE = RK_FLAG(1),
+    RK_INSTANCE_FLAGS_SPAWNED_VISIBLE = RK_INSTANCE_FLAG_SPAWNED | RK_INSTANCE_FLAG_VISIBLE
 };
 
-enum : rk_ubyte { RK_INSTANCE_FLAGS_SPAWNED_VISIBLE = RK_INSTANCE_FLAG_SPAWNED | RK_INSTANCE_FLAG_VISIBLE };
+enum : rk_uint {
+    RK_BATCH_MAX_SIZE = 65536
+};
 
-enum : rk_uint { RK_BATCH_MAX_SIZE = 65536 };
+typedef rk_ushort rk_vertex_index;
+typedef rk_ushort rk_mesh_index;
+typedef rk_ushort rk_instance_index;
+typedef rk_uint rk_vertex_input;
+typedef rk_uint rk_vertex_output;
 
-union rk_mesh {
+struct rk_mesh {
-    rk_uint packed;
+    rk_uint base_index;
-    struct {
+    rk_uint ntriangles;
-        rk_ushort base_index;
-        rk_ushort ntriangles;
-    };
 };
 
 RK_EXPORT void rk_render_initialize(
@@ -85,19 +88,19 @@ RK_EXPORT void rk_render_initialize(
 
 RK_EXPORT void rk_render_terminate();
 
-RK_EXPORT rk_shader_t rk_load_shader(
+RK_EXPORT rk_shader_t rk_create_shader(
     rk_uint const vert_nlines,
-    char const ** const vert_lines,
+    rk_char const * const * vert_lines,
     rk_uint const frag_nlines,
-    char const ** const frag_lines);
+    rk_char const * const * frag_lines);
 
 RK_EXPORT rk_input_t rk_resolve_input(
     rk_shader_t shader,
-    char const * name);
+    rk_char const * name);
 
 RK_EXPORT rk_param_t rk_resolve_param(
     rk_shader_t shader,
-    char const * name);
+    rk_char const * name);
 
 RK_EXPORT rk_texture_t rk_create_texture(
     rk_texture_format format,
@@ -116,15 +119,26 @@ RK_EXPORT rk_vertices_t rk_create_vertices(
     rk_uint nvertices,
     rk_ubyte const * vertices,
     rk_uint nindices,
-    rk_ushort const * indices);
+    rk_vertex_index const * indices,
+    rk_uint nmeshes,
+    rk_mesh const * meshes);
 
 RK_EXPORT rk_batch_t rk_create_batch(
     rk_vertices_t vertices,
     rk_uint max_size,
-    rk_uint max_meshes,
+    rk_vertex_format const * params_format);
-    rk_param_format const * params_format);
 
-RK_EXPORT void rk_begin_frame();
+RK_EXPORT void rk_fill_batch(
+    rk_batch_t batch,
+    rk_uint count,
+    rk_instance_flags const * flags,
+    rk_mesh_index const * meshes,
+    rk_vertex_input const * const * params);
+
+RK_EXPORT void rk_clear_buffer(
+    rk_bool pixels,
+    rk_bool depth,
+    rk_bool stencil);
 
 RK_EXPORT void rk_select_shader(
     rk_shader_t _shader);
@@ -155,18 +169,13 @@ RK_EXPORT void rk_set_param_mat3(
 
 RK_EXPORT void rk_select_texture(
     rk_uint slot,
-    rk_texture_t texture,
+    rk_texture_t texture);
-    rk_input_t sampler);
 
 RK_EXPORT void rk_draw_triangles(
     rk_triangles_t triangles);
 
 RK_EXPORT void rk_draw_batch(
-    rk_batch_t batch,
+    rk_batch_t batch);
-    rk_uint size,
-    rk_instance_flags const * flags,
-    rk_mesh const * meshes,
-    rk_ubyte const ** params);
 
 RK_EXPORT void rk_unselect_texture(
     rk_uint slot,
@@ -175,8 +184,6 @@ RK_EXPORT void rk_unselect_texture(
 RK_EXPORT void rk_unselect_shader(
     rk_shader_t shader);
 
-RK_EXPORT void rk_end_frame();
-
 RK_EXPORT void rk_destroy_batch(
     rk_batch_t batch);
 

cpp/render/render_opengles.hpp

@@ -16,11 +16,13 @@
 #ifndef _RK_ENGINE_RENDER_OPENGLES_H
 #define _RK_ENGINE_RENDER_OPENGLES_H
 
-#include "../types.hpp"
+#include "../render.hpp"
 #include <GLES3/gl32.h>
 #include <GLES3/gl3ext.h>
 #include <GLES3/gl3platform.h>
 
+static_assert(sizeof(rk_vertex_output) == 4);
+
 struct rk_shader {
     GLuint vertex;
     GLuint fragment;
@@ -41,9 +43,13 @@ struct rk_triangles {
 struct rk_vertices {
     unsigned nvertices;
     unsigned nindices;
+    unsigned nmeshes;
     rk_vertex_format * format;
     rk_ubyte * vertices;
-    rk_ushort * indices;
+    rk_vertex_index * indices;
+    rk_mesh * meshes;
+    GLuint vertices_buffer;
+    GLuint indices_buffer;
 };
 
 struct rk_command {
@@ -54,57 +60,51 @@ struct rk_command {
     GLuint base_instance;
 };
 
-struct rk_vec3_float {
-    float x;
-    float y;
-    float z;
-};
-
-struct rk_vec3_short {
-    rk_short x;
-    rk_short y;
-    rk_short z;
-    rk_short pad;
-};
-
-typedef rk_int rk_vec3_int10;
-typedef rk_uint rk_vec3_uint10;
-
-struct rk_mat3_float {
-    rk_vec3_float x;
-    rk_vec3_float y;
-    rk_vec3_float z;
-};
-
-struct rk_mat3_int10 {
-    rk_vec3_int10 x;
-    rk_vec3_int10 y;
-    rk_vec3_int10 z;
-};
-
 typedef void (*rk_packer)(
     unsigned const, // count
-    rk_ushort const * const, // indices
+    rk_instance_index const * const __restrict, // indices
-    rk_ubyte *, // dst
+    rk_vertex_output * __restrict, // dst
-    rk_ubyte const * const); // src
+    rk_vertex_input const * const __restrict); // src
 
 struct rk_parameter {
+    mutable bool dirty;
     unsigned binding;
     unsigned offset;
-    unsigned size;
+    unsigned src_size;
+    unsigned src_len;
+    unsigned dst_size;
+    unsigned dst_len;
+    rk_vertex_input * source;
     rk_packer packer;
 };
 
+struct rk_bucket {
+    unsigned size;
+    unsigned count;
+    rk_instance_index * indices;
+};
+
+enum rk_batch_state {
+    RK_BATCH_STATE_EMPTY = 0,
+    RK_BATCH_STATE_FILLED = 1,
+    RK_BATCH_STATE_SORTED = 2,
+    RK_BATCH_STATE_PACKED = 3
+};
+
 struct rk_batch {
+    mutable rk_batch_state state;
+    mutable unsigned count;
+    mutable unsigned ninstances;
+    mutable unsigned ncommands;
     unsigned max_size;
-    unsigned max_meshes;
     unsigned nparams;
-    rk_ushort * indices;
+    rk_vertices const * vertices;
+    rk_instance_flags * flags;
+    rk_mesh_index * meshes;
+    rk_instance_index * indices;
     rk_command * commands;
     rk_parameter * params;
     GLuint vertex_array;
-    GLuint vertices_buffer;
-    GLuint indices_buffer;
     GLuint commands_buffer;
     GLuint params_buffer;
 };

cpp/types.hpp

@@ -20,6 +20,11 @@
 #include <cstdint>
 
 #define RK_EXPORT extern "C"
+#define RK_HOT gnu::hot
+#define RK_FLATTEN gnu::flatten
+#define RK_UNROLLED gnu::optimize("unroll-loops")
+#define RK_FAST gnu::optimize("Ofast")
+#define RK_INVALID_HANDLE nullptr
 #define RK_FLAG(_bit) (1 << (_bit))
 
 typedef bool rk_bool;
@@ -33,7 +38,33 @@ typedef int32_t rk_int;
 typedef uint32_t rk_uint;
 typedef int64_t rk_long;
 typedef uint64_t rk_ulong;
-
+typedef __int128 rk_llong;
+typedef unsigned __int128 rk_ullong;
+typedef float rk_float;
 typedef void * rk_handle_t;
 
+static_assert(sizeof(rk_char) == 1);
+static_assert(sizeof(rk_wchar) == 4);
+static_assert(sizeof(rk_float) == 4);
+
+#pragma pack(push, 4)
+
+template<bool _signed, unsigned _cols>
+struct rk_packed {
+};
+
+template<unsigned _cols>
+struct alignas(alignof(rk_int)) rk_packed<true, _cols> {
+    typedef rk_int type;
+    rk_int packed;
+};
+
+template<unsigned _cols>
+struct alignas(alignof(rk_uint)) rk_packed<false, _cols> {
+    typedef rk_uint type;
+    rk_uint packed;
+};
+
+#pragma pack(pop)
+
 #endif // _RK_ENGINE_TYPES_H

cpp/utils/cmp_memcpy.hpp

@@ -0,0 +1,102 @@
+// Copyright (C) 2023 RozK
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef RK_ENGINE_CMP_MEMCPY_H
+#define RK_ENGINE_CMP_MEMCPY_H
+
+#include "../types.hpp"
+
+template<typename _small>
+[[RK_FAST]]
+inline bool _rk_cmp_memcpy_small(
+    _small * __restrict dst,
+    _small const * __restrict src,
+    unsigned count) {
+    _small cmp = 0;
+    do {
+        cmp |= *dst ^ *src;
+        *dst++ = *src++;
+    } while(--count > 0);
+    return (cmp != 0);
+}
+
+template<typename _big, typename _small>
+[[RK_FAST, RK_FLATTEN]]
+inline bool _rk_cmp_memcpy_big(
+    _small * const __restrict _dst,
+    _small const * const __restrict _src,
+    unsigned const _count) {
+    unsigned const ratio = sizeof(_big) / sizeof(_small);
+    unsigned big_count = _count / ratio;
+    unsigned const small_count = _count % ratio;
+    _big * dst = reinterpret_cast<_big *>(_dst);
+    _big const * src = reinterpret_cast<_big const *>(_src);
+    _big cmp = 0;
+    do {
+        cmp |= *dst ^ *src;
+        *dst++ = *src++;
+    } while(--big_count > 0);
+    bool modified = (cmp != 0);
+    if (small_count) {
+        modified |= _rk_cmp_memcpy_small<_small>(
+            reinterpret_cast<_small *>(dst), reinterpret_cast<_small const *>(src), small_count);
+    }
+    return modified;
+}
+
+#ifdef RK_CMP_MEMCPY_UNALIGNED
+#define _rk_count_and_alignment(_t) (count >= (sizeof(_t) / sizeof(_small)))
+#else
+#define _rk_count_and_alignment(_t) ((count >= (sizeof(_t) / sizeof(_small))) && !(alignment % sizeof(_t)))
+#endif
+
+template<typename _small>
+[[RK_HOT, RK_FAST, RK_FLATTEN]]
+bool rk_cmp_memcpy(
+    _small * const __restrict _dst,
+    _small const * const __restrict _src,
+    unsigned const count) {
+#ifndef RK_CMP_MEMCPY_UNALIGNED
+    unsigned const alignment = reinterpret_cast<uintptr_t>(_dst) | reinterpret_cast<uintptr_t const>(_src);
+#endif
+    if (sizeof(_small) < sizeof(rk_ullong)) {
+        if (_rk_count_and_alignment(rk_ullong)) {
+            return _rk_cmp_memcpy_big<rk_ullong, _small>(_dst, _src, count);
+        }
+    }
+    if (sizeof(_small) < sizeof(rk_ulong)) {
+        if (_rk_count_and_alignment(rk_ulong)) {
+            return _rk_cmp_memcpy_big<rk_ulong, _small>(_dst, _src, count);
+        }
+    }
+    if (sizeof(_small) < sizeof(rk_uint)) {
+        if (_rk_count_and_alignment(rk_uint)) {
+            return _rk_cmp_memcpy_big<rk_uint, _small>(_dst, _src, count);
+        }
+    }
+    if (sizeof(_small) < sizeof(rk_ushort)) {
+        if (_rk_count_and_alignment(rk_ushort)) {
+            return _rk_cmp_memcpy_big<rk_ushort, _small>(_dst, _src, count);
+        }
+    }
+    if (count) {
+        return _rk_cmp_memcpy_small<_small>(_dst, _src, count);
+    }
+    return false;
+}
+
+#undef _rk_count_and_alignment
+
+#endif // RK_ENGINE_CMP_MEMCPY_H

cpp/utils/vertex_format.hpp

@@ -0,0 +1,258 @@
+// Copyright (C) 2023 RozK
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef RK_ENGINE_VERTEX_FORMAT_H
+#define RK_ENGINE_VERTEX_FORMAT_H
+
+#include "../render.hpp"
+#include <limits>
+
+namespace rk_vertex {
+
+#pragma pack(push, 1)
+
+template<typename _type>
+struct alignas(alignof(_type)) rk_input {
+    _type input;
+};
+
+template<typename _type, typename _input, bool _signed, bool _normalized>
+struct alignas(alignof(_type)) rk_output {
+    _type output;
+
+    [[RK_FAST]]
+    inline void convert(
+        rk_input<_input> const & __restrict src) {
+        output = static_cast<_type>(src.input);
+    }
+};
+
+template<typename _type, bool _signed>
+struct alignas(alignof(_type)) rk_output<_type, rk_float, _signed, true> {
+    _type output;
+
+    [[RK_FAST]]
+    inline void convert(
+        rk_input<rk_float> const & __restrict src) {
+        enum : _type { max = std::numeric_limits<_type>::max() };
+        output = static_cast<_type>(src.input * static_cast<float>(max));
+    }
+};
+
+#pragma pack(4)
+
+template<typename _input, unsigned _cols>
+struct alignas(4) rk_input_row {
+    rk_input<_input> input_col[_cols];
+};
+
+template<typename _output, typename _input, unsigned _cols, bool _signed, bool _normalized>
+struct alignas(4) rk_output_row {
+    rk_output<_output, _input, _signed, _normalized> output_col[_cols];
+
+    [[RK_FAST, RK_FLATTEN, RK_UNROLLED]]
+    inline void convert(
+        rk_input_row<_input, _cols> const & __restrict src) {
+        for (unsigned col = 0; col < _cols; ++col) {
+            output_col[col].convert(src.input_col[col]);
+        }
+    }
+};
+
+template<typename _output, unsigned _cols, bool _signed, bool _normalized>
+struct alignas(4) rk_output_row<_output, _output, _cols, _signed, _normalized> {
+    rk_output<_output, _output, _signed, _normalized> output_col[_cols];
+
+    [[RK_FAST]]
+    inline void convert(
+        rk_input_row<_output, _cols> const & __restrict src) {
+        static_assert(sizeof(output_col) == sizeof(src.input_col));
+        rk_output<_output, _output, _signed, _normalized> const * const input_col =
+            reinterpret_cast<rk_output<_output, _output, _signed, _normalized> const *>(src.input_col);
+        *output_col = *input_col;
+    }
+};
+
+template<typename _input, unsigned _cols, bool _signed, bool _normalized>
+struct alignas(4) rk_output_row<rk_packed<_signed, _cols>, _input, _cols, _signed, _normalized> {
+    rk_output<rk_packed<_signed, _cols>, _input, _signed, _normalized> output_cols;
+
+    [[RK_FAST, RK_FLATTEN]]
+    inline void convert(
+        rk_input_row<_input, _cols> const & __restrict src) {
+        output_cols.convert(src);
+    }
+};
+
+template<typename _input, unsigned _cols, unsigned _rows>
+struct alignas(4) rk_input_format {
+    rk_input_row<_input, _cols> input_row[_rows];
+};
+
+template<typename _output, typename _input, unsigned _cols, unsigned _rows, bool _signed, bool _normalized>
+struct alignas(4) rk_output_format {
+    rk_output_row<_output, _input, _cols, _signed, _normalized> output_row[_rows];
+
+    [[RK_FAST, RK_FLATTEN, RK_UNROLLED]]
+    inline void convert(
+        rk_input_format<_input, _cols, _rows> const & __restrict src) {
+        for (unsigned row = 0; row < _rows; ++row) {
+            output_row[row].convert(src.input_row[row]);
+        }
+    }
+};
+
+template<typename _output, unsigned _cols, unsigned _rows, bool _signed, bool _normalized>
+struct alignas(4) rk_output_format<_output, _output, _cols, _rows, _signed, _normalized> {
+    rk_output_row<_output, _output, _cols, _signed, _normalized> output_row[_rows];
+
+    [[RK_FAST]]
+    inline void convert(
+        rk_input_format<_output, _cols, _rows> const & __restrict src) {
+        static_assert(sizeof(output_row) == sizeof(src.input_row));
+        rk_output_row<_output, _output, _cols, _signed, _normalized> const * const input_row =
+            reinterpret_cast<rk_output_row<_output, _output, _cols, _signed, _normalized> const *>(src.input_row);
+        *output_row = *input_row;
+    }
+};
+
+template<typename _input, bool _signed, bool _normalized>
+struct alignas(alignof(rk_packed<_signed, 3>)) rk_output<rk_packed<_signed, 3>, _input, _signed, _normalized> {
+    rk_packed<_signed, 3> output;
+
+    [[RK_FAST]]
+    inline void convert(
+        rk_input_row<_input, 3> const & __restrict src) {
+        typedef typename rk_packed<_signed, 3>::type packed_type;
+        output.packed =
+            ((static_cast<packed_type>(src.input_col[0].input) & 1023)) |
+            ((static_cast<packed_type>(src.input_col[1].input) & 1023) << 10) |
+            ((static_cast<packed_type>(src.input_col[2].input) & 1023) << 20);
+    }
+};
+
+template<typename _input, bool _signed, bool _normalized>
+struct alignas(alignof(rk_packed<_signed, 4>)) rk_output<rk_packed<_signed, 4>, _input, _signed, _normalized> {
+    rk_packed<_signed, 4> output;
+
+    [[RK_FAST]]
+    inline void convert(
+        rk_input_row<_input, 4> const & __restrict src) {
+        typedef typename rk_packed<_signed, 4>::type packed_type;
+        output.packed =
+            ((static_cast<packed_type>(src.input_col[0].input) & 1023)) |
+            ((static_cast<packed_type>(src.input_col[1].input) & 1023) << 10) |
+            ((static_cast<packed_type>(src.input_col[2].input) & 1023) << 20) |
+            ((static_cast<packed_type>(src.input_col[3].input) &    3) << 30);
+    }
+};
+
+template<>
+struct alignas(alignof(rk_packed<true, 3>)) rk_output<rk_packed<true, 3>, rk_float, true, true> {
+    rk_packed<true, 3> output;
+
+    [[RK_FAST]]
+    inline void convert(
+        rk_input_row<rk_float, 3> const & __restrict src) {
+        output.packed =
+            ((static_cast<rk_int>(src.input_col[0].input * 511.f) & 1023)) |
+            ((static_cast<rk_int>(src.input_col[1].input * 511.f) & 1023) << 10) |
+            ((static_cast<rk_int>(src.input_col[2].input * 511.f) & 1023) << 20);
+    }
+};
+
+template<>
+struct alignas(alignof(rk_packed<true, 4>)) rk_output<rk_packed<true, 4>, rk_float, true, true> {
+    rk_packed<true, 4> output;
+
+    [[RK_FAST]]
+    inline void convert(
+        rk_input_row<rk_float, 4> const & __restrict src) {
+        output.packed =
+            ((static_cast<rk_uint>(src.input_col[0].input * 511.f) & 1023)) |
+            ((static_cast<rk_uint>(src.input_col[1].input * 511.f) & 1023) << 10) |
+            ((static_cast<rk_uint>(src.input_col[2].input * 511.f) & 1023) << 20) |
+            ((static_cast<rk_uint>(src.input_col[3].input)         &    3) << 30);
+    }
+};
+
+#pragma pack(pop)
+
+template<typename _output, typename _input, unsigned _cols, unsigned _rows, bool _signed, bool _normalized>
+struct rk_format {
+    typedef rk_input<_input> input;
+    typedef rk_output<_output, input, _signed, _normalized> output;
+
+    typedef rk_input_row<_input, _cols> input_row;
+    typedef rk_output_row<_output, _input, _cols, _signed, _normalized> output_row;
+
+    typedef rk_input_format<_input, _cols, _rows> input_format;
+    typedef rk_output_format<_output, _input, _cols, _rows, _signed, _normalized> output_format;
+
+    static_assert(sizeof(input) == sizeof(_input));
+    static_assert(sizeof(output) == sizeof(_output));
+    static_assert((sizeof(input_row) % sizeof(rk_vertex_input)) == 0);
+    static_assert((sizeof(output_row) % sizeof(rk_vertex_output)) == 0);
+    static_assert((sizeof(input_format) % sizeof(rk_vertex_input)) == 0);
+    static_assert((sizeof(output_format) % sizeof(rk_vertex_output)) == 0);
+
+    static unsigned get_input_size() {
+        return sizeof(input_format);
+    }
+
+    static unsigned get_output_size() {
+        return sizeof(output_format);
+    }
+
+    static unsigned get_output_offset(unsigned const index) {
+        return index * sizeof(output_row);
+    }
+
+    [[RK_FAST, RK_FLATTEN]]
+    inline static void convert(
+        output_format & __restrict dst,
+        input_format const & __restrict src) {
+        dst.convert(src);
+    }
+
+    [[RK_HOT, RK_FAST, RK_FLATTEN]]
+    static void param_packer(
+        unsigned const count,
+        rk_instance_index const * const __restrict indices,
+        rk_vertex_output * __restrict _dst,
+        rk_vertex_input const * const __restrict _src) {
+        rk_instance_index const * const last_index = indices + count;
+        output_format * __restrict dst = reinterpret_cast<output_format *>(_dst);
+        input_format const * const __restrict src = reinterpret_cast<input_format const *>(_src);
+        for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
+            dst->convert(src[*index]);
+        }
+    }
+};
+
+} // namepace rk_vertex
+
+typedef rk_vertex::rk_format<rk_float,            rk_float, 3, 1, true,  false> rk_vec3_float;
+typedef rk_vertex::rk_format<rk_short,            rk_float, 3, 1, true,  false> rk_vec3_short;
+typedef rk_vertex::rk_format<rk_short,            rk_float, 3, 1, true,  true>  rk_vec3_short_norm;
+typedef rk_vertex::rk_format<rk_packed<true,  3>, rk_float, 3, 1, true,  false> rk_vec3_int10;
+typedef rk_vertex::rk_format<rk_packed<true,  3>, rk_float, 3, 1, true,  true>  rk_vec3_int10_norm;
+typedef rk_vertex::rk_format<rk_packed<false, 3>, rk_float, 3, 1, false, false> rk_vec3_uint10;
+typedef rk_vertex::rk_format<rk_packed<false, 3>, rk_float, 3, 1, false, true>  rk_vec3_uint10_norm;
+typedef rk_vertex::rk_format<rk_float,            rk_float, 3, 3, true,  false> rk_mat3_float;
+typedef rk_vertex::rk_format<rk_packed<true,  3>, rk_float, 3, 3, true,  false> rk_mat3_int10;
+typedef rk_vertex::rk_format<rk_packed<true,  3>, rk_float, 3, 3, true,  true>  rk_mat3_int10_norm;
+
+#endif // RK_ENGINE_VERTEX_FORMAT_H