Add more gfx backend flags (available features)

backends/source/gfx_citro3d.cpp

@@ -141,6 +141,9 @@ void GfxCitro3D::SysInit() {
   PDLOG("GfxCitro3D::SysInit();");
   impl = new Impl();
   Flags |= PDGfxBackendFlags_FlipUV_Y;
+  Flags |= PDGfxBackendFlags_HasClipRect;
+  Flags |= PDGfxBackendFlags_ReqPow2;
+  Flags |= PDGfxBackendFlags_ApproxSDF;
   impl->pShaderRaw = Pica::AssembleCode(LIShaderCTR);
   impl->pCode = DVLB_ParseFile((uint32_t*)impl->pShaderRaw.data(),
                                impl->pShaderRaw.size());
@@ -265,7 +268,13 @@ void GfxCitro3D::UploadPools() {
   BufInfo_Add(buf, GetVertexBufPtr(0), sizeof(Li::Vertex), 3, 0x210);
 }
 
-void GfxCitro3D::ClipRect() {}
+void GfxCitro3D::ClipRect() {
+  // This is so cursed but it works
+  C3D_SetScissor(CurrentHasClip ? GPU_SCISSOR_NORMAL : GPU_SCISSOR_DISABLE,
+                 ViewPort.y - CurrentClip.w - CurrentClip.y,
+                 ViewPort.x - CurrentClip.z - CurrentClip.x,
+                 ViewPort.y - CurrentClip.y, ViewPort.x - CurrentClip.x);
+}
 }  // namespace PD
 #else
 namespace PD {

backends/source/gfx_directx9.cpp

@@ -112,6 +112,7 @@ void GfxDirectX9::SysInit() {
     }
     if (psBlob) psBlob->Release();
     if (errBlob) errBlob->Release();
+    Flags |= PDGfxBackendFlags_HasClipRect;
   } else {
     PDERR(
         "GfxDirectX9::SysInit Error: pDevice is not set!\nYOu need to include "
@@ -286,7 +287,20 @@ void GfxDirectX9::UploadPools() {
   impl->IBO->Unlock();
 }
 
-void GfxDirectX9::ClipRect() {}
+void GfxDirectX9::ClipRect() {
+  if (CurrentHasClip) {
+    RECT r;
+    r.left = CurrentClip.x;
+    r.top = CurrentClip.y;
+    r.right = CurrentClip.x + CurrentClip.z;
+    r.bottom = CurrentClip.y + CurrentClip.w;
+
+    impl->Device->SetScissorRect(&r);
+    impl->Device->SetRenderState(D3DRS_SCISSORTESTENABLE, TRUE);
+  } else {
+    impl->Device->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
+  }
+}
 }  // namespace PD
 #else
 namespace PD {

backends/source/gfx_opengl2.cpp

@@ -73,6 +73,7 @@ void GfxOpenGL2::pSetupShaderAttribs(u32 shader) {
 }
 
 void GfxOpenGL2::SysInit() {
+  Flags |= PDGfxBackendFlags_HasClipRect;
   pShader = CreateShaderProgram(pVertCode, pFragCode);
   glUseProgram(pShader);
   glGenBuffers(1, &VBO);

backends/source/gfx_opengl3.cpp

@@ -11,6 +11,7 @@
 
 namespace PD {
 void GfxOpenGL3::SysInit() {
+  Flags |= PDGfxBackendFlags_HasClipRect;
   std::string vcode = SpirvHelper::SPV2GLSL(
       std::vector<unsigned int>(
           Shaders::VertexShader,

include/pd/drivers/gfx.hpp

@@ -9,8 +9,11 @@
 using PDGfxBackendFlags = PD::u32;
 enum PDGfxBackendFlags_ {
   PDGfxBackendFlags_None = 0,
-  PDGfxBackendFlags_FlipUV_Y = 1 << 0,   // Essential for font loading
-  PDGfxBackendFlags_WindingCW = 1 << 0,  // Use CW instead of CCW winding
+  PDGfxBackendFlags_FlipUV_Y = 1 << 0,     // Essential for font loading
+  PDGfxBackendFlags_WindingCW = 1 << 1,    // Use CW instead of CCW winding
+  PDGfxBackendFlags_HasClipRect = 1 << 2,  // Clip rects supported
+  PDGfxBackendFlags_ReqPow2 = 1 << 3,      // Tex size must be pow of 2
+  PDGfxBackendFlags_ApproxSDF = 1 << 4,  // Fake SDF for non smoothstep systems
 };
 
 namespace PD {

source/ui7/ui7.cpp

@@ -207,7 +207,17 @@ PD_API void Context::MetricsMenu(bool* show) {
     }
     m->SeparatorText("Palladium Info");
     m->Label("Os Driver: {}", PD::Os::GetDriverName());
-    m->Label("Renderer: {}", PD::Gfx::GetDriverName());
+    if (m->BeginTreeNode(
+            std::format("Gfx Driver: {}", PD::Gfx::GetDriverName()))) {
+      m->SeparatorText("Features");
+      if (PD::Gfx::GetFlags() & PDGfxBackendFlags_HasClipRect)
+        m->Label("ClipRects");
+      if (PD::Gfx::GetFlags() & PDGfxBackendFlags_ReqPow2)
+        m->Label("Texture As Pow of 2");
+      if (PD::Gfx::GetFlags() & PDGfxBackendFlags_ApproxSDF)
+        m->Label("SDF Approximation");
+      m->EndTreeNode();
+    }
     if (m->BeginTreeNode(
             std::string(std::string("Input: ") + PD::Hid::GetDriverName()))) {
       /* if (pIO.pCtx.Hid()->Flags & PD::HidDriver::Flags_HasKeyboard) {