From 75f8cbf953093bc539af67c77d18263767bb3474 Mon Sep 17 00:00:00 2001
From: Arisotura <thetotalworm@gmail.com>
Date: Sun, 31 Mar 2019 21:15:45 +0200
Subject: [PATCH] draft API for OpenGL shito in libui

---
 src/ARM.cpp              | 14 +++++++++++++-
 src/GPU.cpp              |  4 ++--
 src/NDS.cpp              |  2 +-
 src/libui_sdl/libui/ui.h | 11 +++++++++++
 4 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/src/ARM.cpp b/src/ARM.cpp
index f1bed5f8..69755ffb 100644
--- a/src/ARM.cpp
+++ b/src/ARM.cpp
@@ -159,7 +159,7 @@ void ARM::SetupCodeMem(u32 addr)
         //NDS::ARM7GetMemRegion(addr, false, &CodeMem);
     }
 }
-
+extern u64 vbltime;
 void ARMv5::JumpTo(u32 addr, bool restorecpsr)
 {
     if (restorecpsr)
@@ -180,6 +180,16 @@ void ARMv5::JumpTo(u32 addr, bool restorecpsr)
     if (R[15]==0x0204BE5E) printf("recvfrom() ret:%d errno:%d  %08X\n", R[0], NDS::ARM9Read32(0x217F398), addr);
     if (R[15]==0x0205038A) printf("sgrecvfrom() ret:%d errno:%d  %08X\n", R[0], NDS::ARM9Read32(0x217F398), addr);
     if (addr==0x02050379 || addr==0x0205036D) printf("morp %08X->%08X, %d\n", R[15], addr, R[7]);*/
+    /*if (addr==0x020B5F14) printf("VRAM UNMAP %02X %08X\n", R[0], R[15]);
+    if (addr==0x020B5FAC) printf("VRAM MAP %2X %08X\n", R[0], R[15]);
+    if (addr==0x0209F860) printf("VRAM BLORP %02X %08X\n", R[0], R[15]);
+    if (addr==0x02005A34) printf("VAZAVAZORP %08X. VCOUNT=%d\n", R[15], NDS::ARM9Read16(0x04000006));
+    if (addr==0x0209FBEC) printf("COUILLON. %08X %08X\n", R[0], R[1]);
+    if (addr==0x02004AA8) printf("ANEBATE 1  %d\n", NDS::ARM9Read16(0x04000006));
+    if (addr==0x020058C8) printf("ANEBATE 2  %d\n", NDS::ARM9Read16(0x04000006));
+    if (addr==0x02005398) printf("ANEBATE 3  %d  %d\n", NDS::ARM9Read16(0x04000006), (u32)(NDS::ARM9Timestamp-vbltime));
+    if (addr==0x02005A5C) printf("PLAFORP %d\n", NDS::ARM9Read16(0x04000006));
+    if (addr==0x209FBDC) printf("ROLOLORP\n");*/
 
     u32 oldregion = R[15] >> 24;
     u32 newregion = addr >> 24;
@@ -508,6 +518,8 @@ void ARMv5::Execute()
             }
             else
                 AddCycles_C();
+
+            //if (R[15]>=0x02005A5C && R[15]<=0x02005A84) printf("NORP %08X  %d\n", R[15]-8, NDS::ARM9Read16(0x04000006));
         }
 
         // TODO optimize this shit!!!
diff --git a/src/GPU.cpp b/src/GPU.cpp
index 14e562e8..ad390073 100644
--- a/src/GPU.cpp
+++ b/src/GPU.cpp
@@ -20,7 +20,7 @@
 #include <string.h>
 #include "NDS.h"
 #include "GPU.h"
-
+u64 vbltime;
 
 namespace GPU
 {
@@ -811,7 +811,7 @@ void StartScanline(u32 line)
     else
     {
         if (VCount == 192)
-        {
+        {//printf("- VBLANK -\n");vbltime=NDS::ARM9Timestamp;
             // VBlank
             DispStat[0] |= (1<<0);
             DispStat[1] |= (1<<0);
diff --git a/src/NDS.cpp b/src/NDS.cpp
index ae71ad65..a814dfd0 100644
--- a/src/NDS.cpp
+++ b/src/NDS.cpp
@@ -1532,7 +1532,7 @@ void debug(u32 param)
     //    printf("VRAM %c: %02X\n", 'A'+i, GPU::VRAMCNT[i]);
 
     FILE*
-    shit = fopen("debug/lmnts.bin", "wb");
+    shit = fopen("debug/card.bin", "wb");
     for (u32 i = 0x02000000; i < 0x02400000; i+=4)
     {
         u32 val = ARM7Read32(i);
diff --git a/src/libui_sdl/libui/ui.h b/src/libui_sdl/libui/ui.h
index b100c084..a81aa705 100644
--- a/src/libui_sdl/libui/ui.h
+++ b/src/libui_sdl/libui/ui.h
@@ -599,6 +599,17 @@ _UI_EXTERN void uiDrawTextLayoutSetColor(uiDrawTextLayout *layout, int startChar
 
 _UI_EXTERN void uiDrawText(uiDrawContext *c, double x, double y, uiDrawTextLayout *layout);
 
+
+// OpenGL support
+// TODO for later: allow using OpenGL inside a uiWindow or uiArea
+
+typedef struct uiGLContext uiGLContext;
+
+_UI_EXTERN uiGLContext *uiGLNewContext(uiControl* c);
+_UI_EXTERN void uiGLMakeContextCurrent(uiGLContext* ctx);
+_UI_EXTERN void *uiGLGetProcAddress(const char* proc);
+
+
 _UI_ENUM(uiModifiers) {
 	uiModifierCtrl = 1 << 0,
 	uiModifierAlt = 1 << 1,