0.1.2: update bgfx to upstream 11/6/2021 (#60)

Updates bgfx to upstream version (API 115)

Author: PyryM

cmake/bgfx.cmake

@@ -3,7 +3,7 @@ include(ExternalProject)
 # Download `bx` and extract source path.
 ExternalProject_Add(bx_EXTERNAL
     GIT_REPOSITORY "https://github.com/bkaradzic/bx.git"
-    GIT_TAG "f939b2c3172b1c19f15659613b2f9f9de1f5e820"
+    GIT_TAG "51f25ba638b9cb35eb2ac078f842a4bed0746d56"
     CONFIGURE_COMMAND ""
     BUILD_COMMAND ""
     INSTALL_COMMAND ""
@@ -21,7 +21,7 @@ set(bx_GENIE "${SOURCE_DIR}/tools/bin/${bx_SYSTEM_NAME}/genie")
 # Download `bimg` and extract source path.
 ExternalProject_Add(bimg_EXTERNAL
     GIT_REPOSITORY "https://github.com/bkaradzic/bimg.git"
-    GIT_TAG "7b70810f4bfd2cf81c755c413c66e0e82ea8acc5"
+    GIT_TAG "8355d36befc90c1db82fca8e54f38bfb7eeb3530"
     CONFIGURE_COMMAND ""
     BUILD_COMMAND ""
     INSTALL_COMMAND ""
@@ -75,8 +75,8 @@ endif()
 # and build it using `bx`.
 ExternalProject_Add(bgfx_EXTERNAL
     DEPENDS bx_EXTERNAL bimg_EXTERNAL
-    GIT_REPOSITORY "https://github.com/pyrym/bgfx.git"
-    GIT_TAG "e368f78c9562e37c071e56b754e3c712d3601ef1"
+    GIT_REPOSITORY "https://github.com/bkaradzic/bgfx.git"
+    GIT_TAG "e0d26507dc1982b53c7f80364637a9a2098f5055"
     CONFIGURE_COMMAND ${bgfx_CONFIGURE_COMMAND}
     BUILD_COMMAND ${bgfx_BUILD_COMMAND}
     INSTALL_COMMAND ""

dist/include/bgfx_truss.c99.h

@@ -358,6 +358,7 @@ typedef struct bgfx_init_s {
     bgfx_renderer_type_t type;
     uint16_t vendorId;
     uint16_t deviceId;
+    uint64_t capabilities;
     bool debug;
     bool profile;
     bgfx_platform_data_t platformData;
@@ -501,7 +502,7 @@ typedef struct bgfx_encoder_s bgfx_encoder_t;
 const bgfx_memory_t* bgfx_alloc(uint32_t _size);
 void bgfx_alloc_instance_data_buffer(bgfx_instance_data_buffer_t* _idb, uint32_t _num, uint16_t _stride);
 uint32_t bgfx_alloc_transform(bgfx_transform_t* _transform, uint16_t _num);
-bool bgfx_alloc_transient_buffers(bgfx_transient_vertex_buffer_t* _tvb, const bgfx_vertex_layout_t * _layout, uint32_t _numVertices, bgfx_transient_index_buffer_t* _tib, uint32_t _numIndices);
+bool bgfx_alloc_transient_buffers(bgfx_transient_vertex_buffer_t* _tvb, const bgfx_vertex_layout_t * _layout, uint32_t _numVertices, bgfx_transient_index_buffer_t* _tib, uint32_t _numIndices, bool _index32);
 void bgfx_alloc_transient_index_buffer(bgfx_transient_index_buffer_t* _tib, uint32_t _num, bool _index32);
 void bgfx_alloc_transient_vertex_buffer(bgfx_transient_vertex_buffer_t* _tvb, uint32_t _num, const bgfx_vertex_layout_t * _layout);
 void bgfx_attachment_init(bgfx_attachment_t* _this, bgfx_texture_handle_t _handle, bgfx_access_t _access, uint16_t _layer, uint16_t _numLayers, uint16_t _mip, uint8_t _resolve);
@@ -593,7 +594,7 @@ void bgfx_encoder_submit_occlusion_query(bgfx_encoder_t* _this, bgfx_view_id_t _
 void bgfx_encoder_touch(bgfx_encoder_t* _this, bgfx_view_id_t _id);
 uint32_t bgfx_frame(bool _capture);
 uint32_t bgfx_get_avail_instance_data_buffer(uint32_t _num, uint16_t _stride);
-uint32_t bgfx_get_avail_transient_index_buffer(uint32_t _num);
+uint32_t bgfx_get_avail_transient_index_buffer(uint32_t _num, bool _index32);
 uint32_t bgfx_get_avail_transient_vertex_buffer(uint32_t _num, const bgfx_vertex_layout_t * _layout);
 const bgfx_caps_t* bgfx_get_caps(void);
 void* bgfx_get_direct_access_ptr(bgfx_texture_handle_t _handle);
@@ -609,6 +610,7 @@ bgfx_texture_handle_t bgfx_get_texture(bgfx_frame_buffer_handle_t _handle, uint8
 void bgfx_get_uniform_info(bgfx_uniform_handle_t _handle, bgfx_uniform_info_t * _info);
 bool bgfx_init(const bgfx_init_t * _init);
 void bgfx_init_ctor(bgfx_init_t* _init);
+bool bgfx_is_frame_buffer_valid(uint8_t _num, const bgfx_attachment_t* _attachment);
 bool bgfx_is_texture_valid(uint16_t _depth, bool _cubeMap, uint16_t _numLayers, bgfx_texture_format_t _format, uint64_t _flags);
 const bgfx_memory_t* bgfx_make_ref(const void* _data, uint32_t _size);
 const bgfx_memory_t* bgfx_make_ref_release(const void* _data, uint32_t _size, bgfx_release_fn_t _releaseFn, void* _userData);

dist/include/bgfxdefines.h

@@ -15,7 +15,7 @@
 #ifndef BGFX_DEFINES_H_HEADER_GUARD
 #define BGFX_DEFINES_H_HEADER_GUARD
 
-#define BGFX_API_VERSION UINT32_C(112)
+#define BGFX_API_VERSION UINT32_C(115)
 
 /**
  * Color RGB/alpha/depth write. When it's not specified write will be disabled.
@@ -262,7 +262,7 @@
 #define BGFX_DISCARD_BINDINGS                     UINT8_C(0x01) //!< Discard texture sampler and buffer bindings.
 #define BGFX_DISCARD_INDEX_BUFFER                 UINT8_C(0x02) //!< Discard index buffer.
 #define BGFX_DISCARD_INSTANCE_DATA                UINT8_C(0x04) //!< Discard instance data.
-#define BGFX_DISCARD_STATE                        UINT8_C(0x08) //!< Discard state.
+#define BGFX_DISCARD_STATE                        UINT8_C(0x08) //!< Discard state and uniform bindings.
 #define BGFX_DISCARD_TRANSFORM                    UINT8_C(0x10) //!< Discard transform.
 #define BGFX_DISCARD_VERTEX_STREAMS               UINT8_C(0x20) //!< Discard vertex streams.
 #define BGFX_DISCARD_ALL                          UINT8_C(0xff) //!< Discard all states.

dist/scripts/dev/bgfxgen.moon

@@ -64,12 +64,21 @@ remove_comment = (s) ->
 fix5p1 = (data) ->
   lines = sutil.split_lines data
   outlines = {}
+  cur_enum = nil
   for linepos = 1, #lines
-    curline = sutil.strip lines[linepos]
+    curline = remove_comment sutil.strip lines[linepos]
+    if (curline\sub 1,4) == "enum"
+      cur_enum = curline\sub 5,-1
+    elseif cur_enum and curline == ""
+      if (outlines[#outlines]\sub -2,-1) != "()"
+        print("Enum missing function call: #{cur_enum}")
+        outlines[#outlines] = outlines[#outlines] .. "()"
+      cur_enum = nil
+    
     if (curline\sub 1,2) == "()"
-      outlines[#outlines] = (remove_comment outlines[#outlines]) .. curline
+      outlines[#outlines] = outlines[#outlines] .. curline
     else
-      outlines[#outlines+1] = lines[linepos]
+      outlines[#outlines+1] = curline
   temp = io.open "bleh.lua", "wt"
   temp\write table.concat outlines, "\n"
   temp\close!
@@ -96,7 +105,8 @@ key_sorted_concat = (t, sep) ->
   ordered_concat t, sorted_keys, sep
 
 exec_in = (env, fn) ->
-  chunk, err = loadstring fix5p1 rawload fn
+  src = fix5p1 rawload fn
+  chunk, err = loadstring src
   if not chunk
     truss.error "Error parsing #{fn}: #{err}"
   setfenv chunk, env
@@ -109,12 +119,18 @@ load_idl = (buildpath) ->
   idl = exec_in env, "#{path}/scripts/idl.lua"
   exec_in idl, "#{path}/scripts/bgfx.idl"
 
+BANNED_TYPES = {"va_list"}
+
 is_api_func = (line) ->
   parts = sutil.split " ", line
   if parts[1] != "BGFX_C_API" then return nil
   api_key = (parts[2] != "const" and parts[3]) or parts[4] or line
   api_key = (sutil.split "%(", api_key)[1]
-  (table.concat [p for p in *parts[2,]], " "), api_key
+  signature = table.concat [p for p in *parts[2,]], " "
+  for bad_type in *BANNED_TYPES
+    if line\find bad_type
+      signature = "//" .. signature
+  signature, api_key
 
 get_functions = (buildpath) ->
   -- generating function signatures from the IDL is too much of a pain
@@ -294,8 +310,8 @@ gen_header = (buildpath) ->
   }
 
 export init = ->
-  bpath = "../build"
-  print "Copying files"
+  bpath = truss.args[3] or "../build"
+  print "Copying files from #{bpath}"
   copy_files bpath
   print "Generating include/bgfx_truss.c99.h"
   truss.save_string "include/bgfx_truss.c99.h", (gen_header bpath)

dist/scripts/dev/buildshaders.moon

@@ -38,7 +38,7 @@ WIN_SHADER_TYPES = {
 }
 PLATFORMS = {
   windows: "dx11",
-  linux: "glsl",
+  --linux: "glsl",
   osx: "mtl",
   vulkan: "spirv"
 }

dist/scripts/examples/logo.t

@@ -284,7 +284,7 @@ function init()
     async.await_frames(5)
     add_2d_drawable(textbox, {
       x = 390, y = 10, w = 220, h = 120,
-      font_size = 100, text = '0.1.α'
+      font_size = 100, text = truss.C.get_version()
     })
     if gif_mode then return end
     -- spawn caps

dist/scripts/gfx/bgfx_constants.t

@@ -1,6 +1,6 @@
 --Autogenerated bgfx constants
 return {
-  BGFX_API_VERSION = 0x70ULL,
+  BGFX_API_VERSION = 0x73ULL,
   BGFX_STATE_WRITE_R = 0x1ULL,
   BGFX_STATE_WRITE_G = 0x2ULL,
   BGFX_STATE_WRITE_B = 0x4ULL,

dist/scripts/gfx/geometry.t

@@ -54,10 +54,9 @@ function TransientGeometry:allocate(n_verts, n_indices, vertinfo)
     return
   end
 
+  local index_type = uint16
   if n_verts >= 2^16 then
-    truss.error("TransientGeometry [" .. self.name ..
-           "] cannot have more then 2^16 vertices.")
-    return false
+    index_type = uint32
   end
 
   local verts_available = bgfx.get_avail_transient_vertex_buffer(n_verts,
@@ -66,16 +65,17 @@ function TransientGeometry:allocate(n_verts, n_indices, vertinfo)
     log.error("Not enough space to allocate " .. n_verts .. " vertices.")
     return false
   end
-  local indices_available = bgfx.get_avail_transient_index_buffer(n_indices)
+  local indices_available = bgfx.get_avail_transient_index_buffer(n_indices,
+                             index_type == uint32)
   if indices_available < n_indices then
     log.error("Not enough space to allocate " .. n_indices .. " indices.")
     return false
   end
 
   bgfx.alloc_transient_buffers(self._transient_vb, vertinfo.vdecl, n_verts,
-                    self._transient_ib, n_indices)
+                    self._transient_ib, n_indices, index_type == uint32)
 
-  self.indices = terralib.cast(&uint16, self._transient_ib.data)
+  self.indices = terralib.cast(&index_type, self._transient_ib.data)
   self.verts   = terralib.cast(&vertinfo.ttype, self._transient_vb.data)
   self.allocated = true
 

dist/shaders/raw/basicpbr/vs_shadowpbr.sc

@@ -1,5 +1,8 @@
 $input a_position, a_normal
-$output v_wpos, v_wnormal, v_viewdir, v_shadowcoord
+$output v_wpos, v_wnormal, v_viewdir
+//, v_shadowcoord
+
+// TODO: get this working or delete
 
 /*
  * Copyright 2015 Pyry Matikainen. All rights reserved.
@@ -25,5 +28,5 @@ void main()
 
 	const float shadowMapOffset = 0.001;
 	vec3 posOffset = a_position + normal.xyz * shadowMapOffset;
-	v_shadowcoord = mul(u_lightMtx, vec4(posOffset, 1.0) );
+	//v_shadowcoord = mul(u_lightMtx, vec4(posOffset, 1.0) );
 }