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-midtunit: Add MIDTUNIT_LOG_PNG define, to log unscaled 32bpp PNGs of all DMA draw calls. [Ryan Holtz]
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MooglyGuy
parent
0aa539f913
commit
f97679a762
@ -12,6 +12,8 @@
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#include "midtunit.ipp"
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#include "screen.h"
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#include "midtview.ipp"
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#include "emuopts.h" // Used by MIDTUNIT_LOG_PNG
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#include "png.h" // Used by MIDTUNIT_LOG_PNG
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DEFINE_DEVICE_TYPE(MIDTUNIT_VIDEO, midtunit_video_device, "tunitvid", "Midway T-Unit Video")
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DEFINE_DEVICE_TYPE(MIDWUNIT_VIDEO, midwunit_video_device, "wunitvid", "Midway W-Unit Video")
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@ -65,6 +67,9 @@ void midtunit_video_device::device_start()
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#if DEBUG_MIDTUNIT_BLITTER
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m_debug_videoram = std::make_unique<uint16_t[]>(0x100000/2);
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#endif
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#if MIDTUNIT_LOG_PNG
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m_logged_rom = std::make_unique<uint64_t[]>(0x4000000);
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#endif
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m_dma_timer = timer_alloc(TIMER_DMA);
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@ -682,6 +687,17 @@ WRITE16_MEMBER(midtunit_video_device::midtunit_dma_w)
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m_dma_state.endskip = m_dma_register[DMA_LRSKIP];
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}
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#if MIDTUNIT_LOG_PNG
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if (command & 0x80)
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{
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log_bitmap(command, bpp ? bpp : 8, true);
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}
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else
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{
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log_bitmap(command, bpp ? bpp : 8, false);
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}
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#endif
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/* then draw */
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if (m_dma_state.xstep == 0x100 && m_dma_state.ystep == 0x100)
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{
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@ -741,3 +757,157 @@ TMS340X0_SCANLINE_IND16_CB_MEMBER(midxunit_video_device::scanline_update)
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for (int x = params->heblnk; x < params->hsblnk; x++)
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dest[x] = src[fulladdr++ & 0x1ff] & 0x7fff;
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}
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#if MIDTUNIT_LOG_PNG
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void midtunit_video_device::log_bitmap(int command, int bpp, bool Skip)
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{
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const uint32_t raw_offset = m_dma_register[DMA_OFFSETLO] | (m_dma_register[DMA_OFFSETHI] << 16);
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if (m_logged_rom[raw_offset >> 6] & (1ULL << (raw_offset & 0x3f)))
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return;
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int Zero = PIXEL_SKIP;
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int NonZero = PIXEL_SKIP;
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switch (command & 0xf)
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{
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case 1: Zero = PIXEL_COPY; NonZero = PIXEL_SKIP; break;
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case 2: Zero = PIXEL_SKIP; NonZero = PIXEL_COPY; break;
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case 3: Zero = PIXEL_COPY; NonZero = PIXEL_COPY; break;
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case 4: Zero = PIXEL_COLOR; NonZero = PIXEL_SKIP; break;
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case 5: Zero = PIXEL_COLOR; NonZero = PIXEL_SKIP; break;
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case 6: Zero = PIXEL_COLOR; NonZero = PIXEL_COPY; break;
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case 7: Zero = PIXEL_COLOR; NonZero = PIXEL_COPY; break;
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case 8: Zero = PIXEL_SKIP; NonZero = PIXEL_COLOR; break;
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case 9: Zero = PIXEL_COPY; NonZero = PIXEL_COLOR; break;
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case 10: Zero = PIXEL_SKIP; NonZero = PIXEL_COLOR; break;
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case 11: Zero = PIXEL_COPY; NonZero = PIXEL_COLOR; break;
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case 12: Zero = PIXEL_COLOR; NonZero = PIXEL_COLOR; break;
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case 13: Zero = PIXEL_COLOR; NonZero = PIXEL_COLOR; break;
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case 14: Zero = PIXEL_COLOR; NonZero = PIXEL_COLOR; break;
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case 15: Zero = PIXEL_COLOR; NonZero = PIXEL_COLOR; break;
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default: return;
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}
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emu_file file(machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
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char name_buf[256];
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snprintf(name_buf, 255, "0x%08x.png", raw_offset);
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auto const filerr = file.open(name_buf);
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if (filerr != osd_file::error::NONE)
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{
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return;
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}
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m_logged_rom[raw_offset >> 6] |= 1ULL << (raw_offset & 0x3f);
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m_log_bitmap.allocate(m_dma_state.width, m_dma_state.height);
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m_log_bitmap.fill(0);
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uint8_t *base = m_dma_state.gfxrom;
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uint32_t offset = m_dma_state.offset;
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uint16_t pal = m_dma_state.palette;
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uint16_t color = pal | m_dma_state.color;
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int mask = (1 << bpp) - 1;
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/* loop over the height */
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for (int y = 0; y < m_dma_state.height; y++)
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{
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int startskip = m_dma_state.startskip;
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int endskip = m_dma_state.endskip;
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int width = m_dma_state.width;
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int ix = 0;
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int tx;
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uint32_t o = offset;
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int pre, post;
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/* handle skipping */
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if (Skip)
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{
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uint8_t value = EXTRACTGEN(0xff);
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o += 8;
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/* adjust for preskip */
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pre = (value & 0x0f) << m_dma_state.preskip;
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tx = pre;
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ix += tx;
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/* adjust for postskip */
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post = ((value >> 4) & 0x0f) << m_dma_state.postskip;
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width -= post;
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endskip -= post;
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}
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/* handle start skip */
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if (ix < startskip)
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{
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tx = (startskip - ix);
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ix += tx;
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o += tx * bpp;
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}
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/* handle end skip */
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if (width > m_dma_state.width - m_dma_state.endskip)
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width = m_dma_state.width - m_dma_state.endskip;
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bitmap_rgb32::pixel_t *d = &m_log_bitmap.pix(y, ix);
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/* determine destination pointer */
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/* loop until we draw the entire width */
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while (ix < width)
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{
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/* special case similar handling of zero/non-zero */
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if (Zero == NonZero)
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{
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if (Zero == PIXEL_COLOR)
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*d = m_palette->palette()->entry_list_raw()[color];
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else if (Zero == PIXEL_COPY)
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*d = m_palette->palette()->entry_list_raw()[(EXTRACTGEN(mask)) | pal];
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}
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/* otherwise, read the pixel and look */
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else
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{
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int pixel = (EXTRACTGEN(mask));
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/* non-zero pixel case */
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if (pixel)
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{
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if (NonZero == PIXEL_COLOR)
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*d = m_palette->palette()->entry_list_raw()[color];
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else if (NonZero == PIXEL_COPY)
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*d = m_palette->palette()->entry_list_raw()[pixel | pal];
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}
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/* zero pixel case */
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else
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{
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if (Zero == PIXEL_COLOR)
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*d = m_palette->palette()->entry_list_raw()[color];
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else if (Zero == PIXEL_COPY)
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*d = m_palette->palette()->entry_list_raw()[pal];
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}
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}
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/* advance to the next pixel */
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ix++;
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d++;
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o += bpp;
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}
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/* advance to the next row */
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width = m_dma_state.width;
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if (Skip)
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{
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offset += 8;
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width -= pre + post;
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if (width > 0) offset += width * bpp;
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}
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else
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{
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offset += width * bpp;
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}
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}
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png_write_bitmap(file, nullptr, m_log_bitmap, 0, nullptr);
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}
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#endif
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@ -17,6 +17,7 @@
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#include "emupal.h"
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#define DEBUG_MIDTUNIT_BLITTER (0)
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#define MIDTUNIT_LOG_PNG (0)
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class midtunit_video_device : public device_t
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{
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@ -165,6 +166,12 @@ protected:
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int32_t m_debug_dma_mode;
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int32_t m_debug_dma_command;
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#endif
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#if MIDTUNIT_LOG_PNG
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std::unique_ptr<uint64_t[]> m_logged_rom;
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bitmap_argb32 m_log_bitmap;
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void log_bitmap(int command, int bpp, bool skip);
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#endif
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};
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class midwunit_video_device : public midtunit_video_device
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