core: port all code to NativeClient. Nothing runs for now, but it builds.

.gitignore

@@ -6,6 +6,7 @@
 *.exe
 *.elf
 *.self
+*.nexe
 *.userprefs
 *.usertasks
 *.pidb

build-nacl

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# This can't hurt
+make distclean
+
+set -e
+./build/lol-build bootstrap nacl-amd64
+./build/lol-build configure nacl-amd64
+./build/lol-build build nacl-amd64
+

build/lol-build

@@ -15,6 +15,7 @@
 # And <platform> is one of:
 #  - linux-i386
 #  - linux-amd64
+#  - nacl-amd64
 #  - ios-arm
 #  - osx-amd64
 #  - android-arm
@@ -118,6 +119,10 @@ configure()
             cd monsterz/android
             android update project --path .
             ;;
+        nacl-amd64)
+            # no need for "-u _ZN2pp12CreateModuleEv" but it could be helpful
+            ./configure CXX=x86_64-nacl-g++ CC=x86_64-nacl-gcc ac_cv_exeext=.nexe --host=none LOL_LIBS="-lppapi -lppapi_gles2 -lppapi_cpp"
+            ;;
         ps3-ppu)
             PATH="$PATH" ./configure CXX=ppu-lv2-g++ CC=ppu-lv2-gcc ac_cv_exeext=.elf --host=none
             ;;
@@ -178,6 +183,8 @@ check()
             ;;
         ps3-ppu)
             ;;
+        nacl-*)
+            ;;
         windows-i386)
             # If neither $MSYSTEM or $DISPLAY are set, and xvfb-run
             # exists, use it to run the test suite.

configure.ac

@@ -128,6 +128,9 @@ PKG_CHECK_MODULES(GLES2, glesv2,
   GL_CFLAGS="${GL_CFLAGS} ${GLES2_CFLAGS}"
   GL_LIBS="${GL_LIBS} ${GLES2_LIBS}"],
  [:])
+AC_CHECK_HEADER(GLES2/gl2.h,
+ [AC_DEFINE(HAVE_GLES_2X, 1, Define to 1 if GLES 2.x is available)
+  ac_cv_my_have_gl="yes"])
 
 PKG_CHECK_MODULES(GL, gl,
  [ac_cv_my_have_gl="yes"
@@ -152,6 +155,7 @@ AC_CHECK_HEADER(GL/gl.h,
   LIBS="$LIBS_save"])
 AC_CHECK_HEADER(PSGL/psgl.h,
  [ac_cv_my_have_gl="yes"])
+
 if test "${ac_cv_my_have_gl}" = "no"; then
   AC_MSG_ERROR([[No OpenGL or OpenGL ES implementation found]])
 fi

src/Makefile.am

@@ -19,6 +19,7 @@ liblol_a_SOURCES = \
     eglapp.cpp eglapp.h \
     \
     $(ps3_sources) \
+    $(nacl_sources) \
     $(sdl_sources) \
     \
     shader/shader.cpp shader/shader.h \
@@ -38,10 +39,13 @@ liblol_a_SOURCES = \
     debug/quad.cpp debug/quad.h
 liblol_a_CPPFLAGS = @LOL_CFLAGS@
 
-sdl_sources =  \
+sdl_sources = \
     platform/sdl/sdlapp.cpp platform/sdl/sdlapp.h \
     platform/sdl/sdlinput.cpp platform/sdl/sdlinput.h
 
+nacl_sources = \
+    platform/nacl/naclapp.cpp platform/nacl/naclapp.h
+
 if HAVE_PS3
 ps3_sources =  \
     platform/ps3/ps3app.cpp platform/ps3/ps3app.h \

src/application/application.cpp

@@ -17,6 +17,8 @@
 
 #if defined __CELLOS_LV2__
 #   include "platform/ps3/ps3app.h"
+#elif defined __native_client__
+#   include "platform/nacl/naclapp.h"
 #elif defined HAVE_GLES_2X
 #   include "eglapp.h"
 #else
@@ -39,6 +41,8 @@ class ApplicationData
 
 #if defined __CELLOS_LV2__
     Ps3App app;
+#elif defined __native_client__
+    NaClApp app;
 #elif defined HAVE_GLES_2X
     /* FIXME: this macro is only deactivated if we include "lolgl.h" */
     EglApp app;

src/debug/quad.cpp

@@ -153,7 +153,7 @@ void DebugQuad::TickDraw(float deltams)
 
     if (!data->initialised && !IsDestroying())
     {
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
         glGenVertexArrays(NUM_ARRAYS, data->array);
 #endif
         glGenBuffers(NUM_BUFFERS, data->buffer);
@@ -183,7 +183,7 @@ void DebugQuad::TickDraw(float deltams)
     }
     else if (data->initialised && IsDestroying())
     {
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
         glDeleteVertexArrays(NUM_ARRAYS, data->array);
 #endif
         glDeleteBuffers(NUM_BUFFERS, data->buffer);
@@ -494,7 +494,7 @@ void DebugQuad::TickDraw(float deltams)
      *
      * Renders an orange square.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     glColor4f(orange.x, orange.y, orange.z, orange.w);
     glEnableClientState(GL_VERTEX_ARRAY);
 
@@ -512,7 +512,7 @@ void DebugQuad::TickDraw(float deltams)
      *
      * Renders a green sine wave made of 1-pixel points.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     glColor4f(0.0f, 1.0f, 0.0f, 1.0f);
     glPointSize(1.0f);
     glEnableClientState(GL_VERTEX_ARRAY);
@@ -531,7 +531,7 @@ void DebugQuad::TickDraw(float deltams)
      *
      * Renders a multicoloured square with varying colors.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     glEnableClientState(GL_VERTEX_ARRAY);
     glEnableClientState(GL_COLOR_ARRAY);
 
@@ -552,7 +552,7 @@ void DebugQuad::TickDraw(float deltams)
      * Renders a multicoloured square with varying colors multiplied with an
      * animated distorted checkerboard.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     glEnable(GL_TEXTURE_2D);
     glBindTexture(GL_TEXTURE_2D, data->texture[0]);
     glEnableClientState(GL_VERTEX_ARRAY);
@@ -580,7 +580,7 @@ void DebugQuad::TickDraw(float deltams)
      *
      * Renders an orange square.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     if (!shader[0])
 #if !defined __CELLOS_LV2__
         shader[0] = Shader::Create(
@@ -626,7 +626,7 @@ void DebugQuad::TickDraw(float deltams)
      *
      * Renders an orange square.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     if (!shader[0])
     {
 #if !defined __CELLOS_LV2__
@@ -679,7 +679,7 @@ void DebugQuad::TickDraw(float deltams)
      *
      * Renders a static, coloured and tiled pattern.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     if (!shader[0])
 #if !defined __CELLOS_LV2__
         shader[0] = Shader::Create(
@@ -732,7 +732,7 @@ void DebugQuad::TickDraw(float deltams)
      *
      * Renders a multicoloured square with varying colors.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     if (!shader[0])
     {
 #if !defined __CELLOS_LV2__
@@ -796,7 +796,7 @@ void DebugQuad::TickDraw(float deltams)
      *
      * Renders an antialiased green sine wave made of 1-pixel points.
      */
-#if !defined __ANDROID__ && !defined __APPLE__ && !defined __CELLOS_LV2__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __CELLOS_LV2__ && !defined __native_client__
     if (!shader[0])
         shader[0] = Shader::Create(
             "#version 120\n"
@@ -842,7 +842,7 @@ void DebugQuad::TickDraw(float deltams)
      * Renders a multicoloured square with varying colors xored with an
      * animated distorted checkerboard.
      */
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     if (!shader[0])
 #if !defined __CELLOS_LV2__
         shader[0] = Shader::Create(
@@ -915,7 +915,7 @@ void DebugQuad::TickDraw(float deltams)
      * Renders a multicoloured square with varying colors xored with an
      * animated distorted checkerboard.
      */
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     if (!shader[0])
     {
         shader[0] = Shader::Create(
@@ -985,7 +985,7 @@ void DebugQuad::TickDraw(float deltams)
      * Renders a multicoloured square with varying colors xored with an
      * animated distorted checkerboard.
      */
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     if (!shader[0])
     {
         shader[0] = Shader::Create(
@@ -1073,7 +1073,7 @@ void DebugQuad::ResetState()
     glLoadIdentity();
 #endif
 
-#if !defined __ANDROID__ && !defined __APPLE__
+#if !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 #endif
 
@@ -1082,13 +1082,13 @@ void DebugQuad::ResetState()
 #if defined HAVE_GLBEGIN || defined USE_GLEW || defined __CELLOS_LV2__
     glClientActiveTexture(GL_TEXTURE0);
 #endif
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_FALSE);
 #endif
     glDisable(GL_TEXTURE_2D);
 
     glDisable(GL_BLEND);
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     glDisable(GL_POINT_SPRITE);
 #endif
 
@@ -1100,7 +1100,7 @@ void DebugQuad::ResetState()
     cgGLDisableProfile(cgGLGetLatestProfile(CG_GL_FRAGMENT));
 #endif
 
-#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__
+#if !defined __CELLOS_LV2__ && !defined __ANDROID__ && !defined __APPLE__ && !defined __native_client__
     glDisable(GL_VERTEX_PROGRAM_POINT_SIZE);
 #endif
 }

src/platform/nacl/naclapp.cpp

@@ -0,0 +1,82 @@
+//
+// Lol Engine
+//
+// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+//   This program is free software; you can redistribute it and/or
+//   modify it under the terms of the Do What The Fuck You Want To
+//   Public License, Version 2, as published by Sam Hocevar. See
+//   http://sam.zoy.org/projects/COPYING.WTFPL for more details.
+//
+
+#if defined HAVE_CONFIG_H
+#   include "config.h"
+#endif
+
+#if defined __native_client__
+#   include "ppapi/cpp/instance.h"
+#   include "ppapi/cpp/module.h"
+#   include "ppapi/cpp/var.h"
+#endif
+
+#include "core.h"
+#include "lolgl.h"
+#include "naclapp.h"
+
+namespace lol
+{
+
+/*
+ * PS3 App implementation class
+ */
+
+class NaClAppData
+{
+    friend class NaClApp;
+
+private:
+#if defined __native_client__
+#endif
+};
+
+/*
+ * Public NaClApp class
+ */
+
+NaClApp::NaClApp(char const *title, ivec2 res, float fps) :
+    data(new NaClAppData())
+{
+#if defined __native_client__
+#endif
+}
+
+void NaClApp::ShowPointer(bool show)
+{
+    ;
+}
+
+void NaClApp::Run()
+{
+    while (!Ticker::Finished())
+    {
+        /* Tick the game */
+        Ticker::TickGame();
+
+        /* Tick the renderer, show the frame and clamp to desired framerate. */
+        Ticker::TickDraw();
+
+#if defined __native_client__
+#endif
+
+        Ticker::ClampFps();
+    }
+}
+
+NaClApp::~NaClApp()
+{
+#if defined __native_client__
+#endif
+    delete data;
+}
+
+} /* namespace lol */
+

src/platform/nacl/naclapp.h

@@ -0,0 +1,42 @@
+//
+// Lol Engine
+//
+// Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net>
+//   This program is free software; you can redistribute it and/or
+//   modify it under the terms of the Do What The Fuck You Want To
+//   Public License, Version 2, as published by Sam Hocevar. See
+//   http://sam.zoy.org/projects/COPYING.WTFPL for more details.
+//
+
+//
+// The NaClApp class
+// -----------------
+//
+
+#if !defined __LOL_NACLAPP_H__
+#define __LOL_NACLAPP_H__
+
+#include "matrix.h"
+
+namespace lol
+{
+
+class NaClAppData;
+
+class NaClApp
+{
+public:
+    NaClApp(char const *title, ivec2 res, float fps);
+    virtual ~NaClApp();
+
+    void ShowPointer(bool show);
+    void Run();
+
+private:
+    NaClAppData *data;
+};
+
+} /* namespace lol */
+
+#endif // __LOL_NACLAPP_H__
+

src/real.h

@@ -18,6 +18,9 @@
 
 #include <stdint.h>
 
+/* Avoid issues with NaCl headers */
+#undef log2
+
 namespace lol
 {
 

src/timer.cpp

@@ -15,7 +15,7 @@
 #include <cstdlib>
 #include <stdint.h>
 
-#if defined __linux__ || defined __APPLE__
+#if defined __linux__ || defined __native_client__ || defined __APPLE__
 #   include <sys/time.h>
 #   include <unistd.h>
 #elif defined _XBOX
@@ -48,7 +48,7 @@ class TimerData
 private:
     TimerData()
     {
-#if defined __linux__ || defined __APPLE__
+#if defined __linux__ || defined __native_client__ || defined __APPLE__
         gettimeofday(&tv0, NULL);
 #elif defined _WIN32
         QueryPerformanceCounter(&cycles0);
@@ -63,7 +63,7 @@ private:
     float GetOrWait(float deltams, bool update)
     {
         float ret, towait;
-#if defined __linux__ || defined __APPLE__
+#if defined __linux__ || defined __native_client__ || defined __APPLE__
         struct timeval tv;
         gettimeofday(&tv, NULL);
         ret = 1e-3f * (tv.tv_usec - tv0.tv_usec)
@@ -108,7 +108,7 @@ private:
 
     static float GetMsPerCycle()
     {
-#if defined __linux__ || defined __APPLE__
+#if defined __linux__ || defined __native_client__ || defined __APPLE__
         return 1.0f;
 #elif defined _WIN32
         LARGE_INTEGER tmp;
@@ -121,7 +121,7 @@ private:
 #endif
     }
 
-#if defined __linux__ || defined __APPLE__
+#if defined __linux__ || defined __native_client__ || defined __APPLE__
     struct timeval tv0;
 #elif defined _WIN32
     LARGE_INTEGER cycles0;

test/benchmark/trig.cpp

@@ -73,7 +73,7 @@ void bench_trig(int mode)
         /* Fast sin */
         timer.GetMs();
         for (size_t i = 0; i < TRIG_TABLE_SIZE; i++)
-#if defined HAVE_FASTMATH_H
+#if defined HAVE_FASTMATH_H && !defined __native_client__
             pf2[i] = f_sinf(pf[i]);
 #else
             pf2[i] = sinf(pf[i]);
@@ -99,7 +99,7 @@ void bench_trig(int mode)
         /* Fast cos */
         timer.GetMs();
         for (size_t i = 0; i < TRIG_TABLE_SIZE; i++)
-#if defined HAVE_FASTMATH_H
+#if defined HAVE_FASTMATH_H && !defined __native_client__
             pf2[i] = f_cosf(pf[i]);
 #else
             pf2[i] = cosf(pf[i]);
@@ -130,7 +130,7 @@ void bench_trig(int mode)
         timer.GetMs();
         for (size_t i = 0; i < TRIG_TABLE_SIZE; i++)
         {
-#if defined HAVE_FASTMATH_H
+#if defined HAVE_FASTMATH_H && !defined __native_client__
             pf2[i] = f_sinf(pf[i]);
             pf3[i] = f_cosf(pf[i]);
 #else
@@ -159,7 +159,7 @@ void bench_trig(int mode)
         /* Fast tan */
         timer.GetMs();
         for (size_t i = 0; i < TRIG_TABLE_SIZE; i++)
-#if defined HAVE_FASTMATH_H
+#if defined HAVE_FASTMATH_H && !defined __native_client__
             pf2[i] = f_tanf(pf[i]);
 #else
             pf2[i] = tanf(pf[i]);

test/tutorial/tut03.cpp

@@ -34,6 +34,10 @@ using namespace lol;
 static GLint const INTERNAL_FORMAT = GL_ARGB_SCE;
 static GLenum const TEXTURE_FORMAT = GL_BGRA;
 static GLenum const TEXTURE_TYPE = GL_UNSIGNED_INT_8_8_8_8_REV;
+#elif defined __native_client__
+static GLint const INTERNAL_FORMAT = GL_RGBA;
+static GLenum const TEXTURE_FORMAT = GL_RGBA;
+static GLenum const TEXTURE_TYPE = GL_UNSIGNED_BYTE;
 #else
 /* Seems efficient for little endian textures */
 static GLint const INTERNAL_FORMAT = GL_RGBA;