From 0b4055c1520fbe7f697d2f1f93a85b559504cca4 Mon Sep 17 00:00:00 2001
From: Tony Wasserka <NeoBrainX@gmail.com>
Date: Fri, 11 Jul 2014 19:10:08 +0200
Subject: GPU: Add proper framebuffer register handling.

---
 src/core/hw/gpu.cpp | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 52 insertions(+), 1 deletion(-)

(limited to 'src/core/hw/gpu.cpp')

diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp
index e05e1b023..fad3439c8 100644
--- a/src/core/hw/gpu.cpp
+++ b/src/core/hw/gpu.cpp
@@ -84,6 +84,10 @@ const u8* GetFramebufferPointer(const u32 address) {
 template <typename T>
 inline void Read(T &var, const u32 addr) {
     switch (addr) {
+    case Registers::FramebufferTopSize:
+        var = g_regs.top_framebuffer.size;
+        break;
+
     case Registers::FramebufferTopLeft1:
         var = g_regs.framebuffer_top_left_1;
         break;
@@ -92,6 +96,18 @@ inline void Read(T &var, const u32 addr) {
         var = g_regs.framebuffer_top_left_2;
         break;
 
+    case Registers::FramebufferTopFormat:
+        var = g_regs.top_framebuffer.format;
+        break;
+
+    case Registers::FramebufferTopSwapBuffers:
+        var = g_regs.top_framebuffer.active_fb;
+        break;
+
+    case Registers::FramebufferTopStride:
+        var = g_regs.top_framebuffer.stride;
+        break;
+
     case Registers::FramebufferTopRight1:
         var = g_regs.framebuffer_top_right_1;
         break;
@@ -100,6 +116,10 @@ inline void Read(T &var, const u32 addr) {
         var = g_regs.framebuffer_top_right_2;
         break;
 
+    case Registers::FramebufferSubSize:
+        var = g_regs.sub_framebuffer.size;
+        break;
+
     case Registers::FramebufferSubLeft1:
         var = g_regs.framebuffer_sub_left_1;
         break;
@@ -108,6 +128,26 @@ inline void Read(T &var, const u32 addr) {
         var = g_regs.framebuffer_sub_right_1;
         break;
 
+    case Registers::FramebufferSubFormat:
+        var = g_regs.sub_framebuffer.format;
+        break;
+
+    case Registers::FramebufferSubSwapBuffers:
+        var = g_regs.sub_framebuffer.active_fb;
+        break;
+
+    case Registers::FramebufferSubStride:
+        var = g_regs.sub_framebuffer.stride;
+        break;
+
+    case Registers::FramebufferSubLeft2:
+        var = g_regs.framebuffer_sub_left_2;
+        break;
+
+    case Registers::FramebufferSubRight2:
+        var = g_regs.framebuffer_sub_right_2;
+        break;
+
     case Registers::DisplayInputBufferAddr:
         var = g_regs.display_transfer.input_address;
         break;
@@ -154,6 +194,17 @@ inline void Read(T &var, const u32 addr) {
 template <typename T>
 inline void Write(u32 addr, const T data) {
     switch (static_cast<Registers::Id>(addr)) {
+    // TODO: Framebuffer registers!!
+    case Registers::FramebufferTopSwapBuffers:
+        g_regs.top_framebuffer.active_fb = data;
+        // TODO: Not sure if this should only be done upon a change!
+        break;
+
+    case Registers::FramebufferSubSwapBuffers:
+        g_regs.sub_framebuffer.active_fb = data;
+        // TODO: Not sure if this should only be done upon a change!
+        break;
+
     case Registers::DisplayInputBufferAddr:
         g_regs.display_transfer.input_address = data;
         break;
@@ -195,7 +246,7 @@ inline void Write(u32 addr, const T data) {
                       g_regs.display_transfer.output_height * g_regs.display_transfer.output_width * 4,
                       g_regs.display_transfer.GetPhysicalInputAddress(), (int)g_regs.display_transfer.input_width, (int)g_regs.display_transfer.input_height,
                       g_regs.display_transfer.GetPhysicalOutputAddress(), (int)g_regs.display_transfer.output_width, (int)g_regs.display_transfer.output_height,
-                      (int)g_regs.display_transfer.output_format);
+                      (int)g_regs.display_transfer.output_format.Value());
         }
         break;
 
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