gpu_unai: freeze display size and position
[pcsx_rearmed.git] / plugins / gpu_unai / gpu.cpp
index 991610c..f9f7c41 100644 (file)
@@ -40,6 +40,8 @@ bool frameLimit = false; /* frames to wait */
 bool light = true; /* lighting */
 bool blend = true; /* blending */
 
+bool fb_dirty = false;
+
 bool enableAbbeyHack = false; /* Abe's Odyssey hack */
 u8 BLEND_MODE;
 u8 TEXT_MODE;
@@ -180,6 +182,10 @@ long  GPU_freeze(unsigned int bWrite, GPUFreeze_t* p2)
        if (bWrite)
        {
                p2->GPU_gp1 = GPU_GP1;
+               memset(p2->Control, 0, sizeof(p2->Control));
+               p2->Control[5] = DisplayArea[0] | (DisplayArea[1] << 10);
+               p2->Control[7] = DisplayArea[4] | (DisplayArea[5] << 10);
+               p2->Control[8] = ((GPU_GP1 >> 17) & 0x3f) | ((GPU_GP1 >> 10) & 0x40);
                memcpy(p2->FrameBuffer, (u16*)GPU_FrameBuffer, FRAME_BUFFER_SIZE);
                return (1);
        }
@@ -187,6 +193,10 @@ long  GPU_freeze(unsigned int bWrite, GPUFreeze_t* p2)
        {
                GPU_GP1 = p2->GPU_gp1;
                memcpy((u16*)GPU_FrameBuffer, p2->FrameBuffer, FRAME_BUFFER_SIZE);
+               GPU_writeStatus((5 << 24) | p2->Control[5]);
+               GPU_writeStatus((7 << 24) | p2->Control[7]);
+               GPU_writeStatus((8 << 24) | p2->Control[8]);
+               gpuSetTexture(GPU_GP1);
                return (1);
        }
        return (0);
@@ -298,6 +308,7 @@ void  GPU_writeDataMem(u32* dmaAddress, s32 dmaCount)
        }
 
        GPU_GP1 = (GPU_GP1 | 0x14000000) & ~0x60000000;
+       fb_dirty = true;
        pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
        pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
 }
@@ -390,6 +401,7 @@ void  GPU_writeData(u32 data)
                gpuCheckPacket(data);
        }
        GPU_GP1 |= 0x14000000;
+       fb_dirty = true;
        pcsx4all_prof_end_with_resume(PCSX4ALL_PROF_GPU,PCSX4ALL_PROF_HW_WRITE);
        pcsx4all_prof_resume(PCSX4ALL_PROF_CPU);
 
@@ -529,10 +541,12 @@ void  GPU_writeStatus(u32 data)
        case 0x05:
                DisplayArea[0] = (data & 0x000003FF); //(short)(data & 0x3ff);
                DisplayArea[1] = ((data & 0x0007FC00)>>10); //(data & 0x000FFC00) >> 10; //(short)((data>>10)&0x1ff);
+               fb_dirty = true;
                break;
        case 0x07:
                DisplayArea[4] = data & 0x000003FF; //(short)(data & 0x3ff);
                DisplayArea[5] = (data & 0x000FFC00) >> 10; //(short)((data>>10) & 0x3ff);
+               fb_dirty = true;
                break;
        case 0x08:
                {
@@ -543,6 +557,7 @@ void  GPU_writeStatus(u32 data)
                        DisplayArea[3] = VerticalResolution[(GPU_GP1 >> 19) & 3];
                        isPAL = (data & 0x08) ? true : false; // if 1 - PAL mode, else NTSC
                }
+               fb_dirty = true;
                break;
        case 0x10:
                switch (data & 0xffff) {
@@ -857,8 +872,8 @@ static void blit(void)
        static s16 old_res_horz, old_res_vert, old_rgb24;
        s16 isRGB24 = (GPU_GP1 & 0x00200000) ? 1 : 0;
        s16 h0, x0, y0, w0, h1;
-       u8  *dest = (u8 *)screen_buf;
        u16 *srcs;
+       u8  *dest;
 
        x0 = DisplayArea[0] & ~3; // alignment needed by blitter
        y0 = DisplayArea[1];
@@ -870,13 +885,17 @@ static void blit(void)
        h1 = DisplayArea[5] - DisplayArea[4]; // display needed
        if (h0 == 480) h1 = Min2(h1*2,480);
 
+       if (h1 <= 0)
+               return;
+
        if (w0 != old_res_horz || h1 != old_res_vert || isRGB24 != old_rgb24)
        {
                old_res_horz = w0;
                old_res_vert = h1;
                old_rgb24 = (s16)isRGB24;
-               cbs->pl_fbdev_set_mode(w0, h1, isRGB24 ? 24 : 16);
+               screen_buf = cbs->pl_fbdev_set_mode(w0, h1, isRGB24 ? 24 : 16);
        }
+       dest = (u8 *)screen_buf;
 
        if (isRGB24)
        {
@@ -901,8 +920,18 @@ void GPU_updateLace(void)
        // Interlace bit toggle
        GPU_GP1 ^= 0x80000000;
 
-       if (!((GPU_GP1&0x08000000) || (GPU_GP1&0x00800000)))
+       if (!fb_dirty || (GPU_GP1&0x08800000))
+               return;
+
+       if (!isSkip) {
                blit();
+
+               fb_dirty = false;
+               if (*cbs->fskip_option)
+                       isSkip = true;
+       }
+       else
+               isSkip = false;
 }
 
 long GPUopen(unsigned long *, char *, char *)