VideoCommon: move global variables out of BPFunctions

10 files changed, 109 insertions, 67 deletions

diff --git a/Source/Core/VideoBackends/Software/Rasterizer.cpp b/Source/Core/VideoBackends/Software/Rasterizer.cpp
index a1d4dda0d3..ebd6033ae4 100644
--- a/Source/Core/VideoBackends/Software/Rasterizer.cpp
+++ b/Source/Core/VideoBackends/Software/Rasterizer.cpp
@@ -18,6 +18,7 @@
 #include "VideoCommon/PerfQueryBase.h"
 #include "VideoCommon/Statistics.h"
 #include "VideoCommon/VideoCommon.h"
+#include "VideoCommon/XFMemory.h"
 
 namespace Rasterizer
 {
@@ -113,7 +114,9 @@ void Init()
 
 void ScissorChanged()
 {
-  scissors = std::move(BPFunctions::ComputeScissorRects().m_result);
+  auto scissor_result = BPFunctions::ComputeScissorRects(bpmem.scissorTL, bpmem.scissorBR,
+                                                         bpmem.scissorOffset, xfmem.viewport);
+  scissors = std::move(scissor_result.m_result);
 }
 
 // Returns approximation of log2(f) in s28.4
diff --git a/Source/Core/VideoCommon/AbstractGfx.cpp b/Source/Core/VideoCommon/AbstractGfx.cpp
index 27424b25f5..90b85ddfff 100644
--- a/Source/Core/VideoCommon/AbstractGfx.cpp
+++ b/Source/Core/VideoCommon/AbstractGfx.cpp
@@ -12,6 +12,7 @@
 #include "VideoCommon/ShaderCache.h"
 #include "VideoCommon/VertexManagerBase.h"
 #include "VideoCommon/VideoConfig.h"
+#include "VideoCommon/XFMemory.h"
 
 std::unique_ptr<AbstractGfx> g_gfx;
 
@@ -35,7 +36,8 @@ void AbstractGfx::EndUtilityDrawing()
 {
   // Reset framebuffer/scissor/viewport. Pipeline will be reset at next draw.
   g_framebuffer_manager->BindEFBFramebuffer();
-  BPFunctions::SetScissorAndViewport();
+  BPFunctions::SetScissorAndViewport(g_framebuffer_manager.get(), bpmem.scissorTL, bpmem.scissorBR,
+                                     bpmem.scissorOffset, xfmem.viewport);
 }
 
 void AbstractGfx::SetFramebuffer(AbstractFramebuffer* framebuffer)
diff --git a/Source/Core/VideoCommon/BPFunctions.cpp b/Source/Core/VideoCommon/BPFunctions.cpp
index 7d1bd05482..1018af0142 100644
--- a/Source/Core/VideoCommon/BPFunctions.cpp
+++ b/Source/Core/VideoCommon/BPFunctions.cpp
@@ -11,13 +11,12 @@
 #include "Common/CommonTypes.h"
 #include "Common/Logging/Log.h"
 #include "Common/SmallVector.h"
+#include "Core/System.h"
 
-#include "VideoCommon/AbstractFramebuffer.h"
 #include "VideoCommon/AbstractGfx.h"
 #include "VideoCommon/BPMemory.h"
 #include "VideoCommon/EFBInterface.h"
 #include "VideoCommon/FramebufferManager.h"
-#include "VideoCommon/RenderState.h"
 #include "VideoCommon/VertexManagerBase.h"
 #include "VideoCommon/VertexShaderManager.h"
 #include "VideoCommon/VideoCommon.h"
@@ -98,18 +97,18 @@ static RangeList ComputeScissorRanges(int start, int end, int offset, int efb_di
 }
 }  // namespace
 
-ScissorResult::ScissorResult(const BPMemory& bpmemory, const XFMemory& xfmemory)
-    : ScissorResult(bpmemory,
-                    std::minmax(xfmemory.viewport.xOrig - xfmemory.viewport.wd,
-                                xfmemory.viewport.xOrig + xfmemory.viewport.wd),
-                    std::minmax(xfmemory.viewport.yOrig - xfmemory.viewport.ht,
-                                xfmemory.viewport.yOrig + xfmemory.viewport.ht))
+ScissorResult::ScissorResult(ScissorPos scissor_top_left, ScissorPos scissor_bottom_right,
+                             ScissorOffset scissor_offset, const Viewport& viewport)
+    : ScissorResult(scissor_top_left, scissor_bottom_right, scissor_offset,
+                    std::minmax(viewport.xOrig - viewport.wd, viewport.xOrig + viewport.wd),
+                    std::minmax(viewport.yOrig - viewport.ht, viewport.yOrig + viewport.ht))
 {
 }
-ScissorResult::ScissorResult(const BPMemory& bpmemory, std::pair<float, float> viewport_x,
+ScissorResult::ScissorResult(ScissorPos scissor_top_left, ScissorPos scissor_bottom_right,
+                             ScissorOffset scissor_offset, std::pair<float, float> viewport_x,
                              std::pair<float, float> viewport_y)
-    : scissor_tl{.hex = bpmemory.scissorTL.hex}, scissor_br{.hex = bpmemory.scissorBR.hex},
-      scissor_off{.hex = bpmemory.scissorOffset.hex}, viewport_left(viewport_x.first),
+    : scissor_tl{.hex = scissor_top_left.hex}, scissor_br{.hex = scissor_bottom_right.hex},
+      scissor_off{.hex = scissor_offset.hex}, viewport_left(viewport_x.first),
       viewport_right(viewport_x.second), viewport_top(viewport_y.first),
       viewport_bottom(viewport_y.second)
 {
@@ -172,23 +171,28 @@ ScissorRect ScissorResult::Best() const
   }
 }
 
-ScissorResult ComputeScissorRects()
+ScissorResult ComputeScissorRects(ScissorPos scissor_top_left, ScissorPos scissor_bottom_right,
+                                  ScissorOffset scissor_offset, const Viewport& viewport)
 {
-  return ScissorResult{bpmem, xfmem};
+  return ScissorResult{scissor_top_left, scissor_bottom_right, scissor_offset, viewport};
 }
 
-void SetScissorAndViewport()
+void SetScissorAndViewport(FramebufferManager* frame_buffer_manager, ScissorPos scissor_top_left,
+                           ScissorPos scissor_bottom_right, ScissorOffset scissor_offset,
+                           Viewport viewport)
 {
-  auto native_rc = ComputeScissorRects().Best();
+  const auto result = BPFunctions::ComputeScissorRects(scissor_top_left, scissor_bottom_right,
+                                                       scissor_offset, viewport);
+  auto native_rc = result.Best();
 
-  auto target_rc = g_framebuffer_manager->ConvertEFBRectangle(native_rc.rect);
+  auto target_rc = frame_buffer_manager->ConvertEFBRectangle(native_rc.rect);
   auto converted_rc = g_gfx->ConvertFramebufferRectangle(target_rc, g_gfx->GetCurrentFramebuffer());
   g_gfx->SetScissorRect(converted_rc);
 
-  float raw_x = (xfmem.viewport.xOrig - native_rc.x_off) - xfmem.viewport.wd;
-  float raw_y = (xfmem.viewport.yOrig - native_rc.y_off) + xfmem.viewport.ht;
-  float raw_width = 2.0f * xfmem.viewport.wd;
-  float raw_height = -2.0f * xfmem.viewport.ht;
+  float raw_x = (viewport.xOrig - native_rc.x_off) - viewport.wd;
+  float raw_y = (viewport.yOrig - native_rc.y_off) + viewport.ht;
+  float raw_width = 2.0f * viewport.wd;
+  float raw_height = -2.0f * viewport.ht;
   if (g_ActiveConfig.UseVertexRounding())
   {
     // Round the viewport to match full 1x IR pixels as well.
@@ -199,12 +203,12 @@ void SetScissorAndViewport()
     raw_height = std::round(raw_height);
   }
 
-  float x = g_framebuffer_manager->EFBToScaledXf(raw_x);
-  float y = g_framebuffer_manager->EFBToScaledYf(raw_y);
-  float width = g_framebuffer_manager->EFBToScaledXf(raw_width);
-  float height = g_framebuffer_manager->EFBToScaledYf(raw_height);
-  float min_depth = (xfmem.viewport.farZ - xfmem.viewport.zRange) / 16777216.0f;
-  float max_depth = xfmem.viewport.farZ / 16777216.0f;
+  float x = frame_buffer_manager->EFBToScaledXf(raw_x);
+  float y = frame_buffer_manager->EFBToScaledYf(raw_y);
+  float width = frame_buffer_manager->EFBToScaledXf(raw_width);
+  float height = frame_buffer_manager->EFBToScaledYf(raw_height);
+  float min_depth = (viewport.farZ - viewport.zRange) / 16777216.0f;
+  float max_depth = viewport.farZ / 16777216.0f;
   if (width < 0.f)
   {
     x += width;
@@ -228,7 +232,7 @@ void SetScissorAndViewport()
   {
     // We need to ensure depth values are clamped the maximum value supported by the console GPU.
     // Taking into account whether the depth range is inverted or not.
-    if (xfmem.viewport.zRange < 0.0f && g_backend_info.bSupportsReversedDepthRange)
+    if (viewport.zRange < 0.0f && g_backend_info.bSupportsReversedDepthRange)
     {
       min_depth = MAX_EFB_DEPTH;
       max_depth = 0.0f;
@@ -291,24 +295,21 @@ void SetBlendMode()
     - convert the RGBA8 color to RGBA6/RGB8/RGB565 and convert it to RGBA8 again
     - convert the Z24 depth value to Z16 and back to Z24
 */
-void ClearScreen(const MathUtil::Rectangle<int>& rc)
+bool ClearScreen(FramebufferManager* frame_buffer_manager, const MathUtil::Rectangle<int>& rc,
+                 bool color_enable, bool alpha_enable, bool z_enable, PixelFormat pixel_format,
+                 u32 clear_color_ar, u32 clear_color_gb, u32 clear_z_value)
 {
-  bool colorEnable = (bpmem.blendmode.color_update != 0);
-  bool alphaEnable = (bpmem.blendmode.alpha_update != 0);
-  bool zEnable = (bpmem.zmode.update_enable != 0);
-  auto pixel_format = bpmem.zcontrol.pixel_format;
-
   // (1): Disable unused color channels
   if (pixel_format == PixelFormat::RGB8_Z24 || pixel_format == PixelFormat::RGB565_Z16 ||
       pixel_format == PixelFormat::Z24)
   {
-    alphaEnable = false;
+    alpha_enable = false;
   }
 
-  if (colorEnable || alphaEnable || zEnable)
+  if (color_enable || alpha_enable || z_enable)
   {
-    u32 color = (bpmem.clearcolorAR << 16) | bpmem.clearcolorGB;
-    u32 z = bpmem.clearZValue;
+    u32 color = (clear_color_ar << 16) | clear_color_gb;
+    u32 z = clear_z_value;
 
     // (2) drop additional accuracy
     if (pixel_format == PixelFormat::RGBA6_Z24)
@@ -320,11 +321,16 @@ void ClearScreen(const MathUtil::Rectangle<int>& rc)
       color = RGBA8ToRGB565ToRGBA8(color);
       z = Z24ToZ16ToZ24(z);
     }
-    g_framebuffer_manager->ClearEFB(rc, colorEnable, alphaEnable, zEnable, color, z);
+    frame_buffer_manager->ClearEFB(rc, color_enable, alpha_enable, z_enable, color, z,
+                                   pixel_format);
+    return true;
   }
+
+  return false;
 }
 
-void OnPixelFormatChange()
+void OnPixelFormatChange(FramebufferManager* frame_buffer_manager, PixelFormat pixel_format,
+                         DepthFormat z_format)
 {
   // TODO : Check for Z compression format change
   // When using 16bit Z, the game may enable a special compression format which we might need to
@@ -342,11 +348,11 @@ void OnPixelFormatChange()
   if (!g_ActiveConfig.bEFBEmulateFormatChanges)
     return;
 
-  const auto old_format = g_framebuffer_manager->GetPrevPixelFormat();
-  const auto new_format = bpmem.zcontrol.pixel_format;
-  g_framebuffer_manager->StorePixelFormat(new_format);
+  const auto old_format = frame_buffer_manager->GetPrevPixelFormat();
+  const auto new_format = pixel_format;
+  frame_buffer_manager->StorePixelFormat(new_format);
 
-  DEBUG_LOG_FMT(VIDEO, "pixelfmt: pixel={}, zc={}", new_format, bpmem.zcontrol.zformat);
+  DEBUG_LOG_FMT(VIDEO, "pixelfmt: pixel={}, zc={}", new_format, z_format);
 
   // no need to reinterpret pixel data in these cases
   if (new_format == old_format || old_format == PixelFormat::INVALID_FMT)
diff --git a/Source/Core/VideoCommon/BPFunctions.h b/Source/Core/VideoCommon/BPFunctions.h
index f2fc66757c..770d1c674d 100644
--- a/Source/Core/VideoCommon/BPFunctions.h
+++ b/Source/Core/VideoCommon/BPFunctions.h
@@ -12,7 +12,9 @@
 
 #include "Common/MathUtil.h"
 #include "VideoCommon/BPMemory.h"
-struct XFMemory;
+
+class FramebufferManager;
+struct Viewport;
 
 namespace BPFunctions
 {
@@ -67,7 +69,8 @@ struct ScissorRect
 // under [Settings] to True in GFX.ini.
 struct ScissorResult
 {
-  ScissorResult(const BPMemory& bpmem, const XFMemory& xfmem);
+  ScissorResult(ScissorPos scissor_top_left, ScissorPos scissor_bottom_right,
+                ScissorOffset scissor_offset, const Viewport& viewport);
   ~ScissorResult() = default;
   ScissorResult(const ScissorResult& other)
       : scissor_tl{.hex = other.scissor_tl.hex}, scissor_br{.hex = other.scissor_br.hex},
@@ -146,21 +149,31 @@ struct ScissorResult
   }
 
 private:
-  ScissorResult(const BPMemory& bpmem, std::pair<float, float> viewport_x,
+  ScissorResult(ScissorPos scissor_top_left, ScissorPos scissor_bottom_right,
+                ScissorOffset scissor_offset, std::pair<float, float> viewport_x,
                 std::pair<float, float> viewport_y);
 
   int GetViewportArea(const ScissorRect& rect) const;
   bool IsWorse(const ScissorRect& lhs, const ScissorRect& rhs) const;
 };
 
-ScissorResult ComputeScissorRects();
+ScissorResult ComputeScissorRects(ScissorPos scissor_top_left, ScissorPos scissor_bottom_right,
+                                  ScissorOffset scissor_offset, const Viewport& viewport);
 
 void FlushPipeline();
 void SetGenerationMode();
-void SetScissorAndViewport();
+void SetScissorAndViewport(FramebufferManager* frame_buffer_manager, ScissorPos scissor_top_left,
+                           ScissorPos scissor_bottom_right, ScissorOffset scissor_offset,
+                           Viewport viewport);
 void SetDepthMode();
 void SetBlendMode();
-void ClearScreen(const MathUtil::Rectangle<int>& rc);
-void OnPixelFormatChange();
+
+// Returns true if the EFB was triggered to clear
+bool ClearScreen(FramebufferManager* frame_buffer_manager, const MathUtil::Rectangle<int>& rc,
+                 bool color_enable, bool alpha_enable, bool z_enable, PixelFormat pixel_format,
+                 u32 clear_color_ar, u32 clear_color_gb, u32 clear_z_value);
+
+void OnPixelFormatChange(FramebufferManager* frame_buffer_manager, PixelFormat pixel_format,
+                         DepthFormat z_format);
 void SetInterlacingMode(const BPCmd& bp);
 }  // namespace BPFunctions
diff --git a/Source/Core/VideoCommon/BPStructs.cpp b/Source/Core/VideoCommon/BPStructs.cpp
index 9679ed6237..dd0cd59570 100644
--- a/Source/Core/VideoCommon/BPStructs.cpp
+++ b/Source/Core/VideoCommon/BPStructs.cpp
@@ -381,7 +381,19 @@ static void BPWritten(PixelShaderManager& pixel_shader_manager, XFStateManager&
     // Clear the rectangular region after copying it.
     if (PE_copy.clear)
     {
-      ClearScreen(srcRect);
+      const bool color_enable = bpmem.blendmode.color_update != 0;
+      const bool alpha_enable = bpmem.blendmode.alpha_update != 0;
+      const bool z_enable = bpmem.zmode.update_enable != 0;
+      const auto pixel_format = bpmem.zcontrol.pixel_format;
+      const auto color_ar = bpmem.clearcolorAR;
+      const auto color_gb = bpmem.clearcolorGB;
+      const auto z_value = bpmem.clearZValue;
+      ClearScreen(g_framebuffer_manager.get(), srcRect, color_enable, alpha_enable, z_enable,
+                  pixel_format, color_ar, color_gb, z_value);
+
+      // Scissor rect must be restored.
+      BPFunctions::SetScissorAndViewport(g_framebuffer_manager.get(), bpmem.scissorTL,
+                                         bpmem.scissorBR, bpmem.scissorOffset, xfmem.viewport);
     }
 
     return;
@@ -523,7 +535,8 @@ static void BPWritten(PixelShaderManager& pixel_shader_manager, XFStateManager&
     return;
 
   case BPMEM_ZCOMPARE:  // Set the Z-Compare and EFB pixel format
-    OnPixelFormatChange();
+    OnPixelFormatChange(g_framebuffer_manager.get(), bpmem.zcontrol.pixel_format,
+                        bpmem.zcontrol.zformat);
     if (bp.changes & 7)
       SetBlendMode();  // dual source could be activated by changing to PIXELFMT_RGBA6_Z24
     pixel_shader_manager.SetZModeControl();
@@ -1355,8 +1368,10 @@ void BPReload()
   // let's not risk actually replaying any writes.
   // note that PixelShaderManager is already covered since it has its own DoState.
   SetGenerationMode();
-  SetScissorAndViewport();
+  BPFunctions::SetScissorAndViewport(g_framebuffer_manager.get(), bpmem.scissorTL, bpmem.scissorBR,
+                                     bpmem.scissorOffset, xfmem.viewport);
   SetDepthMode();
   SetBlendMode();
-  OnPixelFormatChange();
+  OnPixelFormatChange(g_framebuffer_manager.get(), bpmem.zcontrol.pixel_format,
+                      bpmem.zcontrol.zformat);
 }
diff --git a/Source/Core/VideoCommon/FramebufferManager.cpp b/Source/Core/VideoCommon/FramebufferManager.cpp
index bec54b5b10..d57887c38c 100644
--- a/Source/Core/VideoCommon/FramebufferManager.cpp
+++ b/Source/Core/VideoCommon/FramebufferManager.cpp
@@ -856,7 +856,8 @@ void FramebufferManager::PopulateEFBCache(bool depth, u32 tile_index, bool async
 }
 
 void FramebufferManager::ClearEFB(const MathUtil::Rectangle<int>& rc, bool color_enable,
-                                  bool alpha_enable, bool z_enable, u32 color, u32 z)
+                                  bool alpha_enable, bool z_enable, u32 color, u32 z,
+                                  PixelFormat pixel_format)
 {
   FlushEFBPokes();
   FlagPeekCacheAsOutOfDate();
@@ -870,9 +871,8 @@ void FramebufferManager::ClearEFB(const MathUtil::Rectangle<int>& rc, bool color
   // channel to 0xFF.
   // On backends that don't allow masking Alpha clears, this allows us to use the fast path
   // almost all the time
-  if (bpmem.zcontrol.pixel_format == PixelFormat::RGB565_Z16 ||
-      bpmem.zcontrol.pixel_format == PixelFormat::RGB8_Z24 ||
-      bpmem.zcontrol.pixel_format == PixelFormat::Z24)
+  if (pixel_format == PixelFormat::RGB565_Z16 || pixel_format == PixelFormat::RGB8_Z24 ||
+      pixel_format == PixelFormat::Z24)
   {
     // Force alpha writes, and clear the alpha channel.
     alpha_enable = true;
@@ -880,9 +880,6 @@ void FramebufferManager::ClearEFB(const MathUtil::Rectangle<int>& rc, bool color
   }
 
   g_gfx->ClearRegion(target_rc, color_enable, alpha_enable, z_enable, color, z);
-
-  // Scissor rect must be restored.
-  BPFunctions::SetScissorAndViewport();
 }
 
 bool FramebufferManager::CompileClearPipelines()
diff --git a/Source/Core/VideoCommon/FramebufferManager.h b/Source/Core/VideoCommon/FramebufferManager.h
index e6e7cdc920..62c8c177fc 100644
--- a/Source/Core/VideoCommon/FramebufferManager.h
+++ b/Source/Core/VideoCommon/FramebufferManager.h
@@ -110,7 +110,7 @@ public:
 
   // Clears the EFB using shaders.
   void ClearEFB(const MathUtil::Rectangle<int>& rc, bool clear_color, bool clear_alpha,
-                bool clear_z, u32 color, u32 z);
+                bool clear_z, u32 color, u32 z, PixelFormat pixel_format);
 
   AbstractPipeline* GetClearPipeline(bool clear_color, bool clear_alpha, bool clear_z) const;
 
diff --git a/Source/Core/VideoCommon/Statistics.cpp b/Source/Core/VideoCommon/Statistics.cpp
index 6c35ed09fd..b7e49feb19 100644
--- a/Source/Core/VideoCommon/Statistics.cpp
+++ b/Source/Core/VideoCommon/Statistics.cpp
@@ -16,6 +16,7 @@
 #include "VideoCommon/VideoCommon.h"
 #include "VideoCommon/VideoConfig.h"
 #include "VideoCommon/VideoEvents.h"
+#include "VideoCommon/XFMemory.h"
 
 Statistics g_stats;
 
@@ -161,7 +162,8 @@ void Statistics::AddScissorRect()
     clear_scissors = false;
   }
 
-  BPFunctions::ScissorResult scissor = BPFunctions::ComputeScissorRects();
+  BPFunctions::ScissorResult scissor = BPFunctions::ComputeScissorRects(
+      bpmem.scissorTL, bpmem.scissorBR, bpmem.scissorOffset, xfmem.viewport);
   bool add;
   if (scissors.empty())
   {
diff --git a/Source/Core/VideoCommon/VertexShaderManager.cpp b/Source/Core/VideoCommon/VertexShaderManager.cpp
index 4dba5432bc..973b944d98 100644
--- a/Source/Core/VideoCommon/VertexShaderManager.cpp
+++ b/Source/Core/VideoCommon/VertexShaderManager.cpp
@@ -388,7 +388,8 @@ void VertexShaderManager::SetConstants(const std::vector<std::string>& textures,
     }
 
     dirty = true;
-    BPFunctions::SetScissorAndViewport();
+    BPFunctions::SetScissorAndViewport(g_framebuffer_manager.get(), bpmem.scissorTL,
+                                       bpmem.scissorBR, bpmem.scissorOffset, xfmem.viewport);
     g_stats.AddScissorRect();
   }
 
diff --git a/Source/Core/VideoCommon/VideoConfig.cpp b/Source/Core/VideoCommon/VideoConfig.cpp
index 46f8732c2f..e556af7b1d 100644
--- a/Source/Core/VideoCommon/VideoConfig.cpp
+++ b/Source/Core/VideoCommon/VideoConfig.cpp
@@ -20,6 +20,7 @@
 
 #include "VideoCommon/AbstractGfx.h"
 #include "VideoCommon/BPFunctions.h"
+#include "VideoCommon/BPMemory.h"
 #include "VideoCommon/DriverDetails.h"
 #include "VideoCommon/Fifo.h"
 #include "VideoCommon/FramebufferManager.h"
@@ -30,6 +31,7 @@
 #include "VideoCommon/ShaderGenCommon.h"
 #include "VideoCommon/TextureCacheBase.h"
 #include "VideoCommon/VertexManagerBase.h"
+#include "VideoCommon/XFMemory.h"
 
 VideoConfig g_Config;
 VideoConfig g_ActiveConfig;
@@ -383,7 +385,8 @@ void CheckForConfigChanges()
   // Viewport and scissor rect have to be reset since they will be scaled differently.
   if (changed_bits & CONFIG_CHANGE_BIT_TARGET_SIZE)
   {
-    BPFunctions::SetScissorAndViewport();
+    BPFunctions::SetScissorAndViewport(g_framebuffer_manager.get(), bpmem.scissorTL,
+                                       bpmem.scissorBR, bpmem.scissorOffset, xfmem.viewport);
   }
 
   // Notify all listeners