dolphin-emu · degasus · Mar 9, 2017 · Mar 9, 2017 · Mar 9, 2017
diff --git a/Source/Core/VideoBackends/D3D/Render.cpp b/Source/Core/VideoBackends/D3D/Render.cpp
@@ -1129,11 +1129,6 @@ void Renderer::SetInterlacingMode()
   // TODO
 }
 
-u32 Renderer::GetMaxTextureSize()
-{
-  return DX11::D3D::GetMaxTextureSize();
-}
-
 u16 Renderer::BBoxRead(int index)
 {
   // Here we get the min/max value of the truncated position of the upscaled framebuffer.

diff --git a/Source/Core/VideoBackends/D3D/Render.h b/Source/Core/VideoBackends/D3D/Render.h
@@ -62,8 +62,6 @@ class Renderer : public ::Renderer
 
   bool CheckForResize();
 
-  u32 GetMaxTextureSize() override;
-
 private:
   void BlitScreen(TargetRectangle src, TargetRectangle dst, D3DTexture2D* src_texture,
                   u32 src_width, u32 src_height, float Gamma);

diff --git a/Source/Core/VideoBackends/D3D/main.cpp b/Source/Core/VideoBackends/D3D/main.cpp
@@ -61,6 +61,7 @@ void VideoBackend::InitBackendInfo()
   }
 
   g_Config.backend_info.api_type = APIType::D3D;
+  g_Config.backend_info.MaxTextureSize = DX11::D3D::GetMaxTextureSize();
   g_Config.backend_info.bSupportsExclusiveFullscreen = true;
   g_Config.backend_info.bSupportsDualSourceBlend = true;
   g_Config.backend_info.bSupportsPrimitiveRestart = true;

diff --git a/Source/Core/VideoBackends/D3D12/D3DBase.h b/Source/Core/VideoBackends/D3D12/D3DBase.h
@@ -121,8 +121,6 @@ const std::string PixelShaderVersionString();
 const std::string GeometryShaderVersionString();
 const std::string VertexShaderVersionString();
 
-unsigned int GetMaxTextureSize();
-
 HRESULT SetFullscreenState(bool enable_fullscreen);
 bool GetFullscreenState();
 

diff --git a/Source/Core/VideoBackends/D3D12/Render.cpp b/Source/Core/VideoBackends/D3D12/Render.cpp
@@ -1159,11 +1159,6 @@ void Renderer::SetInterlacingMode()
   // EXISTINGD3D11TODO
 }
 
-u32 Renderer::GetMaxTextureSize()
-{
-  return DX12::D3D::GetMaxTextureSize();
-}
-
 u16 Renderer::BBoxRead(int index)
 {
   // Here we get the min/max value of the truncated position of the upscaled framebuffer.

diff --git a/Source/Core/VideoBackends/D3D12/Render.h b/Source/Core/VideoBackends/D3D12/Render.h
@@ -61,8 +61,6 @@ class Renderer final : public ::Renderer
 
   bool CheckForResize();
 
-  u32 GetMaxTextureSize() override;
-
   static D3D12_BLEND_DESC GetResetBlendDesc();
   static D3D12_DEPTH_STENCIL_DESC GetResetDepthStencilDesc();
   static D3D12_RASTERIZER_DESC GetResetRasterizerDesc();

diff --git a/Source/Core/VideoBackends/D3D12/main.cpp b/Source/Core/VideoBackends/D3D12/main.cpp
@@ -64,6 +64,7 @@ void VideoBackend::InitBackendInfo()
   }
 
   g_Config.backend_info.api_type = APIType::D3D;
+  g_Config.backend_info.MaxTextureSize = D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION;
   g_Config.backend_info.bSupportsExclusiveFullscreen = false;
   g_Config.backend_info.bSupportsDualSourceBlend = true;
   g_Config.backend_info.bSupportsPrimitiveRestart = true;

diff --git a/Source/Core/VideoBackends/Null/NullBackend.cpp b/Source/Core/VideoBackends/Null/NullBackend.cpp
@@ -24,6 +24,7 @@ namespace Null
 void VideoBackend::InitBackendInfo()
 {
   g_Config.backend_info.api_type = APIType::Nothing;
+  g_Config.backend_info.MaxTextureSize = 16384;
   g_Config.backend_info.bSupportsExclusiveFullscreen = true;
   g_Config.backend_info.bSupportsDualSourceBlend = true;
   g_Config.backend_info.bSupportsPrimitiveRestart = true;

diff --git a/Source/Core/VideoBackends/Null/Render.h b/Source/Core/VideoBackends/Null/Render.h
@@ -19,7 +19,6 @@ class Renderer : public ::Renderer
   void PokeEFB(EFBAccessType type, const EfbPokeData* points, size_t num_points) override {}
   u16 BBoxRead(int index) override { return 0; }
   void BBoxWrite(int index, u16 value) override {}
-  u32 GetMaxTextureSize() override { return 16 * 1024; }
   TargetRectangle ConvertEFBRectangle(const EFBRectangle& rc) override;
 
   void SwapImpl(u32 xfb_addr, u32 fb_width, u32 fb_stride, u32 fb_height, const EFBRectangle& rc,

diff --git a/Source/Core/VideoBackends/OGL/Render.cpp b/Source/Core/VideoBackends/OGL/Render.cpp
@@ -51,8 +51,6 @@ void VideoConfig::UpdateProjectionHack()
   ::UpdateProjectionHack(g_Config.iPhackvalue, g_Config.sPhackvalue);
 }
 
-static int s_max_texture_size = 0;
-
 namespace OGL
 {
 VideoConfig g_ogl_config;
@@ -334,49 +332,12 @@ Renderer::Renderer()
 {
   bool bSuccess = true;
 
-  // Init extension support.
-  if (!GLExtensions::Init())
-  {
-    // OpenGL 2.0 is required for all shader based drawings. There is no way to get this by
-    // extensions
-    PanicAlert("GPU: OGL ERROR: Does your video card support OpenGL 2.0?");
-    bSuccess = false;
-  }
-
   g_ogl_config.gl_vendor = (const char*)glGetString(GL_VENDOR);
   g_ogl_config.gl_renderer = (const char*)glGetString(GL_RENDERER);
   g_ogl_config.gl_version = (const char*)glGetString(GL_VERSION);
 
   InitDriverInfo();
 
-  if (GLExtensions::Version() < 300)
-  {
-    // integer vertex attributes require a gl3 only function
-    PanicAlert("GPU: OGL ERROR: Need OpenGL version 3.\n"
-               "GPU: Does your video card support OpenGL 3?");
-    bSuccess = false;
-  }
-
-  // check for the max vertex attributes
-  GLint numvertexattribs = 0;
-  glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &numvertexattribs);
-  if (numvertexattribs < 16)
-  {
-    PanicAlert("GPU: OGL ERROR: Number of attributes %d not enough.\n"
-               "GPU: Does your video card support OpenGL 2.x?",
-               numvertexattribs);
-    bSuccess = false;
-  }
-
-  // check the max texture width and height
-  GLint max_texture_size;
-  glGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint*)&max_texture_size);
-  if (max_texture_size < 1024)
-  {
-    PanicAlert("GL_MAX_TEXTURE_SIZE too small at %i - must be at least 1024.", max_texture_size);
-    bSuccess = false;
-  }
-
   if (GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGL)
   {
     if (!GLExtensions::Supports("GL_ARB_framebuffer_object"))
@@ -657,10 +618,6 @@ Renderer::Renderer()
     return;
   }
 
-  glGetIntegerv(GL_MAX_SAMPLES, &g_ogl_config.max_samples);
-  if (g_ogl_config.max_samples < 1 || !g_ogl_config.bSupportsMSAA)
-    g_ogl_config.max_samples = 1;
-
   g_Config.VerifyValidity();
   UpdateActiveConfig();
 
@@ -1778,19 +1735,6 @@ void Renderer::SetInterlacingMode()
 {
   // TODO
 }
-}
-
-namespace OGL
-{
-u32 Renderer::GetMaxTextureSize()
-{
-  // Right now nvidia seems to do something very weird if we try to cache GL_MAX_TEXTURE_SIZE in
-  // init. This is a workaround that lets
-  // us keep the perf improvement that caching it gives us.
-  if (s_max_texture_size == 0)
-    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &s_max_texture_size);
-  return static_cast<u32>(s_max_texture_size);
-}
 
 void Renderer::ChangeSurface(void* new_surface_handle)
 {

diff --git a/Source/Core/VideoBackends/OGL/Render.h b/Source/Core/VideoBackends/OGL/Render.h
@@ -103,8 +103,6 @@ class Renderer : public ::Renderer
 
   void ReinterpretPixelData(unsigned int convtype) override;
 
-  u32 GetMaxTextureSize() override;
-
   void ChangeSurface(void* new_surface_handle) override;
 
 private:

diff --git a/Source/Core/VideoBackends/OGL/VideoBackend.h b/Source/Core/VideoBackends/OGL/VideoBackend.h
@@ -23,5 +23,9 @@ class VideoBackend : public VideoBackendBase
   void InitBackendInfo() override;
 
   unsigned int PeekMessages() override;
+
+private:
+  bool InitializeGLExtensions();
+  bool FillBackendInfo();
 };
 }
diff --git a/Source/Core/VideoBackends/OGL/main.cpp b/Source/Core/VideoBackends/OGL/main.cpp
@@ -42,6 +42,7 @@ Make AA apply instantly during gameplay if possible
 #include "Common/FileSearch.h"
 #include "Common/GL/GLInterfaceBase.h"
 #include "Common/GL/GLUtil.h"
+#include "Common/MsgHandler.h"
 
 #include "VideoBackends/OGL/BoundingBox.h"
 #include "VideoBackends/OGL/PerfQuery.h"
@@ -96,6 +97,7 @@ static std::vector<std::string> GetShaders(const std::string& sub_dir = "")
 void VideoBackend::InitBackendInfo()
 {
   g_Config.backend_info.api_type = APIType::OpenGL;
+  g_Config.backend_info.MaxTextureSize = 16384;
   g_Config.backend_info.bSupportsExclusiveFullscreen = false;
   g_Config.backend_info.bSupportsOversizedViewports = true;
   g_Config.backend_info.bSupportsGeometryShaders = true;
@@ -123,6 +125,59 @@ void VideoBackend::InitBackendInfo()
   g_Config.backend_info.AnaglyphShaders = GetShaders(ANAGLYPH_DIR DIR_SEP);
 }
 
+bool VideoBackend::InitializeGLExtensions()
+{
+  // Init extension support.
+  if (!GLExtensions::Init())
+  {
+    // OpenGL 2.0 is required for all shader based drawings. There is no way to get this by
+    // extensions
+    PanicAlert("GPU: OGL ERROR: Does your video card support OpenGL 2.0?");
+    return false;
+  }
+
+  if (GLExtensions::Version() < 300)
+  {
+    // integer vertex attributes require a gl3 only function
+    PanicAlert("GPU: OGL ERROR: Need OpenGL version 3.\n"
+               "GPU: Does your video card support OpenGL 3?");
+    return false;
+  }
+
+  return true;
+}
+
+bool VideoBackend::FillBackendInfo()
+{
+  // check for the max vertex attributes
+  GLint numvertexattribs = 0;
+  glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &numvertexattribs);
+  if (numvertexattribs < 16)
+  {
+    PanicAlert("GPU: OGL ERROR: Number of attributes %d not enough.\n"
+               "GPU: Does your video card support OpenGL 2.x?",
+               numvertexattribs);
+    return false;
+  }
+
+  // check the max texture width and height
+  GLint max_texture_size = 0;
+  glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
+  g_Config.backend_info.MaxTextureSize = static_cast<u32>(max_texture_size);
+  if (max_texture_size < 1024)
+  {
+    PanicAlert("GL_MAX_TEXTURE_SIZE too small at %i - must be at least 1024.", max_texture_size);
+    return false;
+  }
+
+  glGetIntegerv(GL_MAX_SAMPLES, &g_ogl_config.max_samples);
+  if (g_ogl_config.max_samples < 1 || !g_ogl_config.bSupportsMSAA)
+    g_ogl_config.max_samples = 1;
+
+  // TODO: Move the remaining fields from the Renderer constructor here.
+  return true;
+}
+
 bool VideoBackend::Initialize(void* window_handle)
 {
   InitBackendInfo();
@@ -141,6 +196,12 @@ bool VideoBackend::Initialize(void* window_handle)
 void VideoBackend::Video_Prepare()
 {
   GLInterface->MakeCurrent();
+  if (!InitializeGLExtensions() || !FillBackendInfo())
+  {
+    // TODO: Handle this better. We'll likely end up crashing anyway, but this method doesn't
+    // return anything, so we can't inform the caller that startup failed.
+    return;
+  }
 
   g_renderer = std::make_unique<Renderer>();
 

diff --git a/Source/Core/VideoBackends/Software/SWRenderer.h b/Source/Core/VideoBackends/Software/SWRenderer.h
@@ -31,7 +31,6 @@ class SWRenderer : public Renderer
   u16 BBoxRead(int index) override;
   void BBoxWrite(int index, u16 value) override;
 
-  u32 GetMaxTextureSize() override { return 16 * 1024; };
   TargetRectangle ConvertEFBRectangle(const EFBRectangle& rc) override;
 
   void SwapImpl(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, const EFBRectangle& rc,

diff --git a/Source/Core/VideoBackends/Software/SWmain.cpp b/Source/Core/VideoBackends/Software/SWmain.cpp
@@ -124,6 +124,7 @@ std::string VideoSoftware::GetDisplayName() const
 void VideoSoftware::InitBackendInfo()
 {
   g_Config.backend_info.api_type = APIType::Nothing;
+  g_Config.backend_info.MaxTextureSize = 16384;
   g_Config.backend_info.bSupports3DVision = false;
   g_Config.backend_info.bSupportsDualSourceBlend = true;
   g_Config.backend_info.bSupportsEarlyZ = true;

diff --git a/Source/Core/VideoBackends/Vulkan/Renderer.h b/Source/Core/VideoBackends/Vulkan/Renderer.h
@@ -41,7 +41,6 @@ class Renderer : public ::Renderer
   void PokeEFB(EFBAccessType type, const EfbPokeData* points, size_t num_points) override;
   u16 BBoxRead(int index) override;
   void BBoxWrite(int index, u16 value) override;
-  u32 GetMaxTextureSize() override { return 16 * 1024; }
   TargetRectangle ConvertEFBRectangle(const EFBRectangle& rc) override;
 
   void SwapImpl(u32 xfb_addr, u32 fb_width, u32 fb_stride, u32 fb_height, const EFBRectangle& rc,

diff --git a/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp b/Source/Core/VideoBackends/Vulkan/VulkanContext.cpp
@@ -257,8 +257,10 @@ void VulkanContext::PopulateBackendInfoAdapters(VideoConfig* config, const GPULi
 }
 
 void VulkanContext::PopulateBackendInfoFeatures(VideoConfig* config, VkPhysicalDevice gpu,
+                                                const VkPhysicalDeviceProperties& properties,
                                                 const VkPhysicalDeviceFeatures& features)
 {
+  config->backend_info.MaxTextureSize = properties.limits.maxImageDimension2D;
   config->backend_info.bSupportsDualSourceBlend = (features.dualSrcBlend == VK_TRUE);
   config->backend_info.bSupportsGeometryShaders = (features.geometryShader == VK_TRUE);
   config->backend_info.bSupportsGSInstancing = (features.geometryShader == VK_TRUE);

diff --git a/Source/Core/VideoBackends/Vulkan/VulkanContext.h b/Source/Core/VideoBackends/Vulkan/VulkanContext.h
@@ -35,6 +35,7 @@ class VulkanContext
   static void PopulateBackendInfo(VideoConfig* config);
   static void PopulateBackendInfoAdapters(VideoConfig* config, const GPUList& gpu_list);
   static void PopulateBackendInfoFeatures(VideoConfig* config, VkPhysicalDevice gpu,
+                                          const VkPhysicalDeviceProperties& properties,
                                           const VkPhysicalDeviceFeatures& features);
   static void PopulateBackendInfoMultisampleModes(VideoConfig* config, VkPhysicalDevice gpu,
                                                   const VkPhysicalDeviceProperties& properties);

diff --git a/Source/Core/VideoBackends/Vulkan/main.cpp b/Source/Core/VideoBackends/Vulkan/main.cpp
@@ -52,7 +52,7 @@ void VideoBackend::InitBackendInfo()
           vkGetPhysicalDeviceProperties(gpu, &properties);
           VkPhysicalDeviceFeatures features;
           vkGetPhysicalDeviceFeatures(gpu, &features);
-          VulkanContext::PopulateBackendInfoFeatures(&g_Config, gpu, features);
+          VulkanContext::PopulateBackendInfoFeatures(&g_Config, gpu, properties, features);
           VulkanContext::PopulateBackendInfoMultisampleModes(&g_Config, gpu, properties);
         }
       }
@@ -178,6 +178,7 @@ bool VideoBackend::Initialize(void* window_handle)
   // Since VulkanContext maintains a copy of the device features and properties, we can use this
   // to initialize the backend information, so that we don't need to enumerate everything again.
   VulkanContext::PopulateBackendInfoFeatures(&g_Config, g_vulkan_context->GetPhysicalDevice(),
+                                             g_vulkan_context->GetDeviceProperties(),
                                              g_vulkan_context->GetDeviceFeatures());
   VulkanContext::PopulateBackendInfoMultisampleModes(
       &g_Config, g_vulkan_context->GetPhysicalDevice(), g_vulkan_context->GetDeviceProperties());

diff --git a/Source/Core/VideoCommon/FramebufferManagerBase.cpp b/Source/Core/VideoCommon/FramebufferManagerBase.cpp
@@ -248,20 +248,18 @@ void FramebufferManagerBase::ReplaceVirtualXFB()
   }
 }
 
-int FramebufferManagerBase::ScaleToVirtualXfbWidth(int x)
+int FramebufferManagerBase::ScaleToVirtualXfbWidth(int x, const TargetRectangle& target_rectangle)
 {
   if (g_ActiveConfig.RealXFBEnabled())
     return x;
 
-  return x * static_cast<int>(g_renderer->GetTargetRectangle().GetWidth()) /
-         static_cast<int>(FramebufferManagerBase::LastXfbWidth());
+  return x * target_rectangle.GetWidth() / s_last_xfb_width;
 }
 
-int FramebufferManagerBase::ScaleToVirtualXfbHeight(int y)
+int FramebufferManagerBase::ScaleToVirtualXfbHeight(int y, const TargetRectangle& target_rectangle)
 {
   if (g_ActiveConfig.RealXFBEnabled())
     return y;
 
-  return y * static_cast<int>(g_renderer->GetTargetRectangle().GetHeight()) /
-         static_cast<int>(FramebufferManagerBase::LastXfbHeight());
+  return y * target_rectangle.GetHeight() / s_last_xfb_height;
 }
diff --git a/Source/Core/VideoCommon/FramebufferManagerBase.h b/Source/Core/VideoCommon/FramebufferManagerBase.h
@@ -57,8 +57,8 @@ class FramebufferManagerBase
   static void SetLastXfbHeight(unsigned int height) { s_last_xfb_height = height; }
   static unsigned int LastXfbWidth() { return s_last_xfb_width; }
   static unsigned int LastXfbHeight() { return s_last_xfb_height; }
-  static int ScaleToVirtualXfbWidth(int x);
-  static int ScaleToVirtualXfbHeight(int y);
+  static int ScaleToVirtualXfbWidth(int x, const TargetRectangle& target_rectangle);
+  static int ScaleToVirtualXfbHeight(int y, const TargetRectangle& target_rectangle);
 
   static unsigned int GetEFBLayers() { return m_EFBLayers; }
   virtual std::pair<u32, u32> GetTargetSize() const = 0;