Load Fonts in A8 format, Fix Freeze with BMF

CMakeLists.txt

@@ -7,7 +7,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED true)
 
 option(AMY_GOD_DEV "Turn this on if you think you are god" OFF)
 # THis option should be disabled if you use STB_IMAGE in you main project
-set(AMY_BUILD_STB_IMAGE CACHE BOOL 0)
+set(AMY_BUILD_STB_IMAGE 0)
 set(AMY_BUILD_STB_TRUETYPE 1)
 set(AMY_WITH_MPG123 "Include MP3 Support" CACHE BOOL 1)
 

example/source/main.cpp

@@ -11,18 +11,18 @@ class Example : public Amy::App {
     Top = C3D::CreateScreen(GFX_TOP);
     Mgr = new Amy::AssetMgr();
     Iron::Init();
+    Mgr->AutoLoad("icon", "romfs:/icon.png");
     auto fnt = Iron::Font::New();
     fnt->LoadBMF("romfs:/ComicNeue.png");
-    Mgr->AutoLoad("icon", "romfs:/icon.png");
     Mgr->Add("font", fnt);
     // Mgr->AutoLoad("font", "romfs:/ComicNeue.ttf");
-    dl = new Iron::Drawlist();
+    dl = Iron::Drawlist::New();
     dl->SetFont(Mgr->Get<Iron::Font>("font"));
   }
 
   ~Example() {
+    dl.reset();
     delete Top;
-    delete dl;
     delete Mgr;
     Iron::Exit();
     C3D::Deinit();
@@ -59,7 +59,7 @@ class Example : public Amy::App {
 
     Iron::NewFrame();
     Iron::DrawOn(Top);
-    Iron::Draw(*dl);
+    Iron::Draw(dl->Data());
     dl->Clear();
     C3D::EndFrame();
     Amy::GTrace::End("Main");
@@ -67,7 +67,7 @@ class Example : public Amy::App {
 
   C3D::Screen* Top;
   Amy::AssetMgr* Mgr;
-  Iron::Drawlist* dl;
+  Iron::Drawlist::Ref dl = nullptr;
 };
 
 int main() {

include/amethyst/iron.hpp

@@ -70,7 +70,7 @@ class Iron {
     struct Codepoint {
       ui Cp = 0;
       fvec4 Uv;
-      Texture::Ref Tex;
+      Texture::Ref Tex = nullptr;
       fvec2 Size;
       float Offset = 0;  // Unused??
       bool Valid = true;
@@ -213,7 +213,7 @@ class Iron {
 
  private:
   static void pSetupShader();
-  static void pFragConfig();
+  static void pFragConfig(GPU_TEXCOLOR clr);
   static void pInitSolidTex();
   static bool pCheckSize(size_t idx, size_t vtx);
 

source/c3d.cpp

@@ -69,15 +69,14 @@ void C3D::Shader::Load(const std::vector<uc>& data) {
 }
 
 void C3D::Shader::Compile(const std::string& code) {
-  auto ret = Pica::AssembleCode(code.c_str());
+  Load(Pica::AssembleCode(code.c_str()));
-  Load(ret);
 }
 
 void C3D::Shader::Use() {
-  // C3D_BindProgram(&pProgram);
   // code works perfectly without C3D_BindProgram
-  // but nor withour shaderProgramUse ...
+  // but nor without shaderProgramUse ...
   shaderProgramUse(&pProgram);
+  C3D_BindProgram(&pProgram);
   C3D_SetAttrInfo(&pInfo);
 }
 

source/image.cpp

@@ -92,6 +92,17 @@ int Image::GetBppOfFmt(const Image::Format& fmt) {
 void Image::Convert(Image& img, const Format& dst) {
   if (img.pFmt == dst) {
     return;
+  } else if (img.pFmt == RGBA && dst == A8) {
+    std::vector<uc> cpy = img.pBuffer;
+    img.pBuffer.resize(img.pW * img.pH);
+    for (int y = 0; y < img.pH; y++) {
+      for (int x = 0; x < img.pW; x++) {
+        int src = (y * img.pW + x) * 4;
+        int dst = (y * img.pW + x);
+        img.pBuffer[dst] = cpy[src + 3];
+      }
+    }
+    img.pFmt = A8;
   } else if (img.pFmt == RGB && dst == BGR) {
     Utils::Image::ReverseBuf(img.pBuffer, img.pW, img.pH, 3);
     img.pFmt = BGR;

source/iron/font.cpp

@@ -12,12 +12,14 @@ namespace Amy {
 // Dont read this code please ... tnaks
 void Iron::Font::LoadBMF(ksr path) {
   Image img(path);
-  if (img.Width() != img.Height() || img.Bpp() != 4) {
+  img.Convert(Image::A8);
+  if (img.Width() != img.Height() || img.Bpp() != 1 || img.Width() <= 0 ||
+      img.Height() <= 0) {
     throw std::runtime_error(
         "[Amy] Font: BMF is not in rgba or not 1x1 dimensioned!");
   }
   auto base = Amy::Texture::New();
-  base->Load(img.GetBuffer(), img.Width(), img.Height(), img.Bpp());
+  base->Load(img.GetBuffer(), img.Width(), img.Height(), img.Bpp(), img.Fmt());
   base->Unloadable(false);
   PxHeight = img.Height() / 16;
   for (int i = 0; i < img.Height(); i += PxHeight) {
@@ -26,26 +28,27 @@ void Iron::Font::LoadBMF(ksr path) {
       Amy::Texture::Ref tex = Amy::Texture::New();
       for (int y = i; y < i + PxHeight; y++) {
         for (int x = j; x < j + PxHeight; x++) {
-          if (img.GetBuffer()[((y * img.Width() + x) * 4) + 3] != 0) {
+          if (img.GetBuffer()[y * img.Width() + x] != 0) {
             maxw = std::max(maxw, x - j);
           }
         }
       }
-      maxw++;
-      tex->Load(base->Ptr(), base->Size(), base->Uv());
       Codepoint cp;
+      cp.Valid = maxw != 0;
       cp.Cp = (i / PxHeight) * 16 + (j / PxHeight);
       cp.Offset = 0.f;
-      cp.Size = fvec2(maxw, PxHeight);
+      if (cp.Valid) {
+        tex->Load(base->Ptr(), base->Size(), base->Uv());
+        cp.Size = fvec2(maxw + 1, PxHeight);
         cp.Tex = tex;
         cp.Uv = fvec4(float(j) / float(img.Width()),
                       1.f - float(i) / float(img.Height()),
-                    float(j + maxw) / float(img.Width()),
+                      float(j + maxw + 1) / float(img.Width()),
                       1.f - float(i + PxHeight) / float(img.Height()));
-      cp.Valid = maxw != 0;
-      pCodeMap[(i / PxHeight) * 16 + (j / PxHeight)] = cp;
         Textures.push_back(tex);
       }
+      pCodeMap[(i / PxHeight) * 16 + (j / PxHeight)] = cp;
+    }
   }
 }
 
@@ -81,7 +84,7 @@ void Iron::Font::LoadTTF(const vec<uc>& data, int size) {
   // Cache to not render same codepoint tex twice
   std::map<u32, int> buf_cache;
 
-  std::vector<u8> font_tex(texszs * texszs * 4, 0);
+  std::vector<u8> font_tex(texszs * texszs, 0);
   auto tex = Texture::New();
   fvec2 off;
 
@@ -147,12 +150,8 @@ void Iron::Font::LoadTTF(const vec<uc>& data, int size) {
     for (int y = 0; y < h; ++y) {
       for (int x = 0; x < w; ++x) {
         int map_pos = ((static_cast<int>(off.y) + y) * texszs +
-                       (static_cast<int>(off.x) + x)) *
+                       (static_cast<int>(off.x) + x));
-                      4;
+        font_tex[map_pos] = bitmap[x + y * w];
-        font_tex[map_pos + 0] = 255;
-        font_tex[map_pos + 1] = 255;
-        font_tex[map_pos + 2] = 255;
-        font_tex[map_pos + 3] = bitmap[x + y * w];
       }
     }
 
@@ -171,7 +170,7 @@ void Iron::Font::LoadTTF(const vec<uc>& data, int size) {
 
 void Iron::Font::pMakeAtlas(bool final, vec<uc>& font_tex, int texszs,
                             Texture::Ref tex) {
-  tex->Load(font_tex, texszs, texszs);
+  tex->Load(font_tex, texszs, texszs, 1, Amy::Image::A8);
   Textures.push_back(tex);
 }
 

source/iron/iron.cpp

@@ -80,14 +80,14 @@ void Iron::DrawOn(C3D::Screen* screen) {
 void Iron::Draw(const std::vector<Iron::Command::Ref>& data) {
   // disable depthtest cause we have no z buffer
   C3D::DepthTest(false);
-  pFragConfig();
   size_t i = 0;
   while (i < data.size()) {
     Texture::Ref tex = data[i]->Tex;
-    if (!tex) {
+    if (!tex || !tex->Ptr()) {
       i++;
       continue;
     }
+    pFragConfig(tex->Ptr()->fmt);
     auto scissorOn = data[i]->ScissorOn;
     auto scissor = data[i]->ScissorRect;
     auto start = m_idx;
@@ -133,17 +133,30 @@ void Iron::pSetupShader() {
   uLocProj = m_shader->loc("projection");
 }
 
-void Iron::pFragConfig() {
+void Iron::pFragConfig(GPU_TEXCOLOR clr) {
   C3D::Frag::Edit();
+  switch (clr) {
+    case GPU_A4:
+    case GPU_A8:
+    case GPU_L4:
+    case GPU_L8:
+      C3D::Frag::Src(C3D_Alpha, GPU_TEXTURE0);
+      C3D::Frag::Func(C3D_RGB, GPU_REPLACE);
+      C3D::Frag::Func(C3D_Alpha, GPU_MODULATE);
+      break;
+
+    default:
       C3D::Frag::Src(C3D_Both, GPU_TEXTURE0);
       C3D::Frag::Func(C3D_Both, GPU_MODULATE);
+      break;
+  }
 }
 
 void Iron::pInitSolidTex() {
   // i know there is a lot of memory wasted :(
-  std::vector<uc> pixels(16 * 16 * 4, 0xff);
+  std::vector<uc> pixels(16 * 16, 0xff);
   m_solid = Texture::New();
-  m_solid->Load(pixels, 16, 16);
+  m_solid->Load(pixels, 16, 16, 1, Amy::Image::A8);
   if (!m_solid->Ptr()) {
     throw Error("white tex failed to load!");
   }