pacc: initial

1 files changed, 633 insertions, 0 deletions

diff --git a/pacc/pacc-d3d9.c b/pacc/pacc-d3d9.c
new file mode 100644
index 0000000..21f3210
--- /dev/null
+++ b/pacc/pacc-d3d9.c
@@ -0,0 +1,633 @@
+#include "pacc-win.h"
+#include <d3d9.h>
+#include <stdlib.h>
+#include <stdatomic.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "hlsl/blit.vs.inc"
+#include "hlsl/copy.ps.inc"
+#include "hlsl/color.ps.inc"
+#include "hlsl/color_trans.ps.inc"
+
+struct pacc_ctx {
+  int w, h;
+  uint8_t pal[256*3];
+  bool pal_changed;
+  uint8_t clearpal;
+  uint8_t color;
+  uint8_t color_changed;
+  bool render_enabled;
+  enum pacc_mode curr_mode;
+  atomic_bool killthread;
+  HWND hwnd;
+  HMODULE d3d9m;
+  IDirect3D9 *d3d9;
+  IDirect3DDevice9 *d3d9d;
+  IDirect3DTexture9 *tex_pal;
+  IDirect3DVertexDeclaration9 *vdecl;
+  IDirect3DVertexShader9 *vs;
+  IDirect3DPixelShader9 *ps_modes[pacc_mode_count];
+  IDirect3DStateBlock9 *state_common;
+  IDirect3DStateBlock9 *state_modes[pacc_mode_count];
+  pacc_rendercb *rendercb;
+  void *renderptr;
+  HANDLE renderthread;
+  HANDLE rendermtx;
+};
+
+struct pacc_buf {
+  IDirect3DVertexBuffer9 *buf_obj;
+  float *buf;
+  struct pacc_tex *tex;
+  int len;
+  int buflen;
+  int bufobjlen;
+  bool changed;
+};
+
+struct pacc_tex {
+  int w, h;
+  bool changed;
+  atomic_flag flag;
+  IDirect3DTexture9 *tex_obj;
+  uint8_t *buf;
+};
+
+enum {
+  PACC_BUF_DEF_LEN = 32,
+  PRINTBUFLEN = 160,
+};
+
+static void pacc_buf_delete(struct pacc_buf *pb) {
+  if (pb) {
+    if (pb->buf_obj) pb->buf_obj->lpVtbl->Release(pb->buf_obj);
+    free(pb->buf);
+    free(pb);
+  }
+}
+
+static struct pacc_buf *pacc_gen_buf(
+    struct pacc_ctx *pc, struct pacc_tex *pt, enum pacc_buf_mode mode) {
+  struct pacc_buf *pb = malloc(sizeof(*pb));
+  if (!pb) goto err;
+  *pb = (struct pacc_buf) {
+    .buflen = PACC_BUF_DEF_LEN,
+    .bufobjlen = PACC_BUF_DEF_LEN,
+    .tex = pt,
+  };
+  pb->buf = malloc(sizeof(*pb->buf) * pb->buflen);
+  if (!pb->buf) goto err;
+  HRESULT res;
+  res = pc->d3d9d->lpVtbl->CreateVertexBuffer(
+      pc->d3d9d,
+      sizeof(*pb->buf) * pb->buflen,
+      D3DUSAGE_DYNAMIC,
+      0,
+      D3DPOOL_DEFAULT,
+      &pb->buf_obj,
+      0);
+  if (res != D3D_OK) goto err;
+  return pb;
+err:
+  MessageBox(pc->hwnd, L"Hello", L"HI", 0);
+  pacc_buf_delete(pb);
+  return 0;
+}
+
+static bool buf_reserve(struct pacc_buf *pb, int len) {
+  if (pb->len + len > pb->buflen) {
+    int newlen = pb->buflen;
+    while (pb->len + len > newlen) newlen *= 2;
+    float *newbuf = realloc(pb->buf, newlen * sizeof(pb->buf[0]));
+    if (!newbuf) return false;
+    pb->buflen = newlen;
+    pb->buf = newbuf;
+  }
+  return true;
+}
+
+static void pacc_calc_scale(float *ret, int w, int h, int wdest, int hdest) {
+  ret[0] = ((float)w) / wdest;
+  ret[1] = ((float)h) / hdest;
+}
+
+static void pacc_calc_off_tex(float *ret,
+                                     int tw, int th, int xsrc, int ysrc) {
+  ret[0] = ((float)xsrc) / tw;
+  ret[1] = ((float)ysrc) / th;
+}
+
+static void pacc_calc_off(
+    float *ret, int xdest, int ydest, int w, int h, int wdest, int hdest) {
+  ret[0] = ((float)(xdest * 2 + w - wdest)) / wdest;
+  ret[1] = ((float)(ydest * 2 + h - hdest)) / hdest;
+}
+
+static void pacc_buf_rect_off(
+    const struct pacc_ctx *pc, struct pacc_buf *pb,
+    int x, int y, int w, int h, int xoff, int yoff) {
+  float scale[2];
+  float off[2];
+  float tscale[2];
+  float toff[2];
+  pacc_calc_off(off, x, y, w, h, pc->w, pc->h);
+  pacc_calc_scale(scale, w, h, pc->w, pc->h);
+  pacc_calc_off_tex(toff, pb->tex->w, pb->tex->h, xoff, yoff);
+  pacc_calc_scale(tscale, w, h, pb->tex->w, pb->tex->h);
+  float coord[16] = {
+    -1.0f * scale[0] + off[0], -1.0f * scale[1] - off[1],
+     0.0f * tscale[0] + toff[0],  1.0f * tscale[1] + toff[1],
+
+    -1.0f * scale[0] + off[0],  1.0f * scale[1] - off[1],
+     0.0f * tscale[0] + toff[0],  0.0f * tscale[1] + toff[1],
+
+     1.0f * scale[0] + off[0], -1.0f * scale[1] - off[1],
+     1.0f * tscale[0] + toff[0],  1.0f * tscale[1] + toff[1],
+
+     1.0f * scale[0] + off[0],  1.0f * scale[1] - off[1],
+     1.0f * tscale[0] + toff[0],  0.0f * tscale[1] + toff[1],
+  };
+  if (!buf_reserve(pb, 24)) return;
+  int indices[6] = {0, 1, 2, 2, 1, 3};
+  for (int i = 0; i < 6; i++) {
+    for (int j = 0; j < 4; j++) {
+      pb->buf[pb->len+i*4+j] = coord[indices[i]*4+j];
+    }
+  }
+  pb->len += 24;
+  pb->changed = true;
+}
+
+static void pacc_buf_vprintf(
+    const struct pacc_ctx *pc, struct pacc_buf *pb,
+    int x, int y, const char *fmt, va_list ap) {
+  uint8_t printbuf[PRINTBUFLEN+1];
+  vsnprintf((char *)printbuf, sizeof(printbuf), fmt, ap);
+  int len = strlen((const char *)printbuf);
+  float scale[2];
+  float off[2];
+  int w = pb->tex->w / 256;
+  int h = pb->tex->h;
+  pacc_calc_scale(scale, w, h, pc->w, pc->h);
+  pacc_calc_off(off, x, y, w, h, pc->w, pc->h);
+  if (!buf_reserve(pb, len*24)) return;
+  float *coords = pb->buf + pb->len;
+  for (int i = 0; i < len; i++) {
+    coords[24*i+0*4+0]                      = (-1.0f + 2.0f*i) * scale[0] + off[0];
+    coords[24*i+0*4+1]                      = -1.0f * scale[1] - off[1];
+    coords[24*i+1*4+0] = coords[24*i+4*4+0] = (-1.0f + 2.0f*i) * scale[0] + off[0];
+    coords[24*i+1*4+1] = coords[24*i+4*4+1] = 1.0f * scale[1] - off[1];
+    coords[24*i+2*4+0] = coords[24*i+3*4+0] = (1.0f + 2.0f*i) * scale[0] + off[0];
+    coords[24*i+2*4+1] = coords[24*i+3*4+1] = -1.0f * scale[1] - off[1];
+    coords[24*i+5*4+0]                      = (1.0f + 2.0f*i) * scale[0] + off[0];
+    coords[24*i+5*4+1]                      = 1.0f * scale[1] - off[1];
+    coords[24*i+0*4+2]                      = ((float)printbuf[i]) / 256.0f;
+    coords[24*i+0*4+3]                      = 1.0f;
+    coords[24*i+1*4+2] = coords[24*i+4*4+2] = ((float)printbuf[i]) / 256.0f;
+    coords[24*i+1*4+3] = coords[24*i+4*4+3] = 0.0f;
+    coords[24*i+2*4+2] = coords[24*i+3*4+2] = ((float)(printbuf[i]+1)) / 256.0f;
+    coords[24*i+2*4+3] = coords[24*i+3*4+3] = 1.0f;
+    coords[24*i+5*4+2]                      = ((float)(printbuf[i]+1)) / 256.0f;
+    coords[24*i+5*4+3]                      = 0.0f;
+  }
+  pb->len += len * 24;
+  pb->changed = true;
+}
+
+static void pacc_buf_printf(
+    const struct pacc_ctx *pc, struct pacc_buf *pb,
+    int x, int y, const char *fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  pacc_buf_vprintf(pc, pb, x, y, fmt, ap);
+  va_end(ap);
+}
+
+static void pacc_buf_rect(
+    const struct pacc_ctx *pc, struct pacc_buf *pb,
+    int x, int y, int w, int h) {
+  pacc_buf_rect_off(pc, pb, x, y, w, h, 0, 0);
+}
+
+static void pacc_buf_clear(struct pacc_buf *pb) {
+  pb->len = 0;
+  pb->changed = true;
+}
+
+static void pacc_palette(struct pacc_ctx *pc, const uint8_t *rgb, int colors) {
+  memcpy(pc->pal, rgb, colors*3);
+  pc->pal_changed = true;
+}
+
+static void pacc_color(struct pacc_ctx *pc, uint8_t pal) {
+  pc->color = pal;
+  pc->color_changed = true;
+}
+
+static void pacc_begin_clear(struct pacc_ctx *pc) {
+  if (pc->pal_changed) {
+    D3DLOCKED_RECT lockrect;
+    if (SUCCEEDED(pc->tex_pal->lpVtbl->LockRect(
+            pc->tex_pal, 0, &lockrect, 0, D3DLOCK_DISCARD))) {
+      uint32_t *palpixel = lockrect.pBits;
+      for (int i = 0; i < 256; i++) {
+        palpixel[i] =
+          ((uint32_t)pc->pal[i*3+0]) << 16 |
+          ((uint32_t)pc->pal[i*3+1]) << 8 |
+          pc->pal[i*3+2];
+      }
+      pc->tex_pal->lpVtbl->UnlockRect(
+          pc->tex_pal, 0);
+    }
+    pc->pal_changed = false;
+  }
+  pc->d3d9d->lpVtbl->Clear(
+      pc->d3d9d,
+      0, 0, D3DCLEAR_TARGET,
+      D3DCOLOR_RGBA(
+        pc->pal[0], pc->pal[1], pc->pal[2], 0xff
+        ), 1.0, 0);
+  pc->state_common->lpVtbl->Apply(pc->state_common);
+  float offsets[4] = {
+    -0.5f / pc->w, 0.5f / pc->h, 0.0f, 0.0f,
+  };
+  pc->d3d9d->lpVtbl->SetVertexShaderConstantF(
+      pc->d3d9d,
+      0, offsets, 1);
+  pc->curr_mode = pacc_mode_count;
+}
+
+static void pacc_draw(struct pacc_ctx *pc, struct pacc_buf *pb, enum pacc_mode mode) {
+  if (mode >= pacc_mode_count) return;
+  if (pc->curr_mode != mode) {
+    pc->state_modes[mode]->lpVtbl->Apply(pc->state_modes[mode]);
+    pc->curr_mode = mode;
+  }
+  if (mode != pacc_mode_copy && pc->color_changed) {
+    float fbuf[4] = {pc->color / 255.f};
+    pc->d3d9d->lpVtbl->SetPixelShaderConstantF(pc->d3d9d, 0, fbuf, 1);
+    pc->color_changed = false;
+  }
+  if (pb->tex->changed) {
+    D3DLOCKED_RECT lockrect;
+    if (SUCCEEDED(pb->tex->tex_obj->lpVtbl->LockRect(
+            pb->tex->tex_obj, 0, &lockrect, 0, 0))) {
+      while (atomic_flag_test_and_set_explicit(&pb->tex->flag, memory_order_acquire));
+      for (int y = 0; y < pb->tex->h; y++) {
+        memcpy(
+            (char *)lockrect.pBits + lockrect.Pitch * y,
+            pb->tex->buf + pb->tex->w * y,
+            pb->tex->w);
+      }
+      atomic_flag_clear_explicit(&pb->tex->flag, memory_order_release);
+      pb->tex->tex_obj->lpVtbl->UnlockRect(
+          pb->tex->tex_obj, 0);
+    }
+    pb->tex->changed = false;
+  }
+  if (pb->changed) {
+    if (pb->buflen > pb->bufobjlen) {
+      IDirect3DVertexBuffer9 *newbufobj;
+      HRESULT res;
+      res = pc->d3d9d->lpVtbl->CreateVertexBuffer(
+          pc->d3d9d,
+          sizeof(*pb->buf) * pb->buflen,
+          D3DUSAGE_DYNAMIC,
+          0,
+          D3DPOOL_DEFAULT,
+          &newbufobj,
+          0);
+      if (res != D3D_OK) return;
+      pb->buf_obj->lpVtbl->Release(pb->buf_obj);
+      pb->buf_obj = newbufobj;
+      pb->bufobjlen = pb->buflen;
+    }
+    float *objbuf;
+    if (SUCCEEDED(pb->buf_obj->lpVtbl->Lock(
+            pb->buf_obj,
+            0, sizeof(float)*pb->len,
+            (void **)&objbuf,
+            D3DLOCK_DISCARD))) {
+      memcpy(objbuf, pb->buf, pb->len*sizeof(pb->buf[0]));
+      pb->buf_obj->lpVtbl->Unlock(pb->buf_obj);
+    }
+    pb->changed = false;
+  }
+  DWORD texaddru, texaddrv;
+  if (pb->tex->w & (pb->tex->w - 1)) {
+    texaddru = D3DTADDRESS_CLAMP;
+  } else {
+    texaddru = D3DTADDRESS_WRAP;
+  }
+  if (pb->tex->h & (pb->tex->h - 1)) {
+    texaddrv = D3DTADDRESS_CLAMP;
+  } else {
+    texaddrv = D3DTADDRESS_WRAP;
+  }
+  pc->d3d9d->lpVtbl->SetSamplerState(
+      pc->d3d9d, 1, D3DSAMP_ADDRESSU, texaddru);
+  pc->d3d9d->lpVtbl->SetSamplerState(
+      pc->d3d9d, 1, D3DSAMP_ADDRESSV, texaddrv);
+  pc->d3d9d->lpVtbl->SetTexture(
+      pc->d3d9d, 1, (IDirect3DBaseTexture9 *)pb->tex->tex_obj);
+  pc->d3d9d->lpVtbl->SetStreamSource(
+      pc->d3d9d,
+      0,
+      pb->buf_obj,
+      0, 4*sizeof(float));
+  pc->d3d9d->lpVtbl->DrawPrimitive(
+      pc->d3d9d,
+      D3DPT_TRIANGLELIST,
+      0, pb->len/(3*4));
+}
+
+static uint8_t *pacc_tex_lock(struct pacc_tex *pt) {
+  while (atomic_flag_test_and_set_explicit(&pt->flag, memory_order_acquire));
+  return pt->buf;
+}
+
+static void pacc_tex_unlock(struct pacc_tex *pt) {
+  pt->changed = true;
+  atomic_flag_clear_explicit(&pt->flag, memory_order_release);
+}
+
+static void pacc_tex_delete(struct pacc_tex *pt) {
+  if (pt) {
+    if (pt->tex_obj) pt->tex_obj->lpVtbl->Release(pt->tex_obj);
+    free(pt->buf);
+    free(pt);
+  }
+}
+
+static struct pacc_tex *pacc_gen_tex(struct pacc_ctx *pc, int w, int h) {
+  struct pacc_tex *pt = malloc(sizeof(*pt));
+  if (!pt) goto err;
+  *pt = (struct pacc_tex) {
+    .w = w,
+    .h = h,
+    .buf = calloc(w*h, 1),
+  };
+  if (!pt->buf) goto err;
+  atomic_flag_clear_explicit(&pt->flag, memory_order_release);
+  HRESULT res;
+  res = pc->d3d9d->lpVtbl->CreateTexture(
+      pc->d3d9d,
+      w, h,
+      1,
+      D3DUSAGE_DYNAMIC,
+      D3DFMT_L8,
+      D3DPOOL_DEFAULT,
+      &pt->tex_obj,
+      0);
+  if (res != D3D_OK) goto err;
+  return pt;
+err:
+  pacc_tex_delete(pt);
+  return 0;
+}
+
+static void pacc_delete(struct pacc_ctx *pc) {
+  if (pc) {
+    if (pc->renderthread) {
+      atomic_store_explicit(&pc->killthread, true, memory_order_relaxed);
+      WaitForSingleObject(pc->renderthread, INFINITE);
+    }
+    for (int i = 0; i < pacc_mode_count; i++) {
+      if (pc->ps_modes[i]) pc->ps_modes[i]->lpVtbl->Release(pc->ps_modes[i]);
+      if (pc->state_modes[i]) pc->state_modes[i]->lpVtbl->Release(pc->state_modes[i]);
+    }
+    if (pc->state_common) pc->state_common->lpVtbl->Release(pc->state_common);
+    if (pc->vs) pc->vs->lpVtbl->Release(pc->vs);
+    if (pc->vdecl) pc->vdecl->lpVtbl->Release(pc->vdecl);
+    if (pc->tex_pal) pc->tex_pal->lpVtbl->Release(pc->tex_pal);
+    if (pc->d3d9d) pc->d3d9d->lpVtbl->Release(pc->d3d9d);
+    if (pc->d3d9) pc->d3d9->lpVtbl->Release(pc->d3d9);
+    if (pc->d3d9m) FreeLibrary(pc->d3d9m);
+    if (pc->rendermtx) CloseHandle(pc->rendermtx);
+    free(pc);
+  }
+}
+
+static DWORD WINAPI pacc_renderproc(void *ptr) {
+  struct pacc_ctx *pc = ptr;
+  while (!atomic_load_explicit(&pc->killthread, memory_order_relaxed)) {
+    if (WaitForSingleObject(pc->rendermtx, INFINITE) == WAIT_OBJECT_0) {
+      if (SUCCEEDED(pc->d3d9d->lpVtbl->BeginScene(pc->d3d9d))) {
+        if (pc->render_enabled) {
+          pc->rendercb(pc->renderptr);
+        } else {
+          pc->d3d9d->lpVtbl->Clear(
+              pc->d3d9d,
+              0, 0, D3DCLEAR_TARGET,
+              D3DCOLOR_RGBA(0x00, 0x00, 0x00, 0xff),
+              1.0, 0);
+        }
+        pc->d3d9d->lpVtbl->EndScene(pc->d3d9d);
+        pc->d3d9d->lpVtbl->Present(pc->d3d9d, 0, 0, 0, 0);
+      }
+      ReleaseMutex(pc->rendermtx);
+    }
+  }
+  return 0;
+}
+
+static void pacc_renderctrl(struct pacc_ctx *pc, bool enable) {
+  while (WaitForSingleObject(pc->rendermtx, INFINITE) != WAIT_OBJECT_0);
+  pc->render_enabled = enable;
+  ReleaseMutex(pc->rendermtx);
+}
+
+static struct pacc_vtable pacc_d3d9_vtable = {
+  .pacc_delete = pacc_delete,
+  .gen_buf = pacc_gen_buf,
+  .gen_tex = pacc_gen_tex,
+  .buf_delete = pacc_buf_delete,
+  .tex_lock = pacc_tex_lock,
+  .tex_unlock = pacc_tex_unlock,
+  .tex_delete = pacc_tex_delete,
+  .buf_rect = pacc_buf_rect,
+  .buf_rect_off = pacc_buf_rect_off,
+  .buf_vprintf = pacc_buf_vprintf,
+  .buf_printf = pacc_buf_printf,
+  .buf_clear = pacc_buf_clear,
+  .palette = pacc_palette,
+  .color = pacc_color,
+  .begin_clear = pacc_begin_clear,
+  .draw = pacc_draw,
+};
+
+struct pacc_win_vtable pacc_win_vtable = {
+  .renderctrl = pacc_renderctrl,
+};
+
+struct pacc_ctx *pacc_init_d3d9(
+    HWND hwnd,
+    pacc_rendercb *rendercb, void *renderptr,
+    struct pacc_vtable *vt, struct pacc_win_vtable *winvt) {
+  struct pacc_ctx *pc = malloc(sizeof(*pc));
+  if (!pc) goto err;
+  RECT wr;
+  if (!GetClientRect(hwnd, &wr)) goto err;
+  *pc = (struct pacc_ctx) {
+    .w = wr.right - wr.left,
+    .h = wr.bottom - wr.top,
+    .hwnd = hwnd,
+    .rendercb = rendercb,
+    .renderptr = renderptr,
+  };
+  atomic_init(&pc->killthread, false);
+  pc->rendermtx = CreateMutex(0, FALSE, 0);
+  if (!pc->rendermtx) goto err;
+  pc->d3d9m = LoadLibrary(L"d3d9");
+  if (!pc->d3d9m) goto err;
+  IDirect3D9 * WINAPI (*d3d9create)(UINT) = (IDirect3D9 * WINAPI (*)(UINT))GetProcAddress(pc->d3d9m, "Direct3DCreate9");
+  if (!d3d9create) goto err;
+  pc->d3d9 = d3d9create(D3D_SDK_VERSION);
+  if (!pc->d3d9) goto err;
+
+  D3DCAPS9 dcaps;
+  HRESULT res;
+  res = pc->d3d9->lpVtbl->GetDeviceCaps(
+      pc->d3d9,
+      D3DADAPTER_DEFAULT,
+      D3DDEVTYPE_HAL,
+      &dcaps);
+  if (res != D3D_OK) goto err;
+
+  D3DMULTISAMPLE_TYPE ms;
+#ifdef PACC_DEBUG_MSAA
+  ms = D3DMULTISAMPLE_8_SAMPLES;
+#else
+  ms = D3DMULTISAMPLE_NONE;
+#endif
+  D3DPRESENT_PARAMETERS dp = {
+    .MultiSampleType = ms,
+    .BackBufferWidth = pc->w * 2,
+    .BackBufferHeight = pc->h * 2,
+    .SwapEffect = D3DSWAPEFFECT_DISCARD,
+    .hDeviceWindow = pc->hwnd,
+    .Windowed = TRUE,
+  };
+  DWORD behavior = D3DCREATE_MULTITHREADED;
+  /* from SDL_renderer_d3d.c
+     fallback to software vertex processing when hardware vertex processing not available
+   */
+  behavior |= (dcaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) ?
+    D3DCREATE_HARDWARE_VERTEXPROCESSING :
+    D3DCREATE_SOFTWARE_VERTEXPROCESSING;
+  res = pc->d3d9->lpVtbl->CreateDevice(
+      pc->d3d9,
+      D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+      0,
+      behavior,
+      &dp, &pc->d3d9d);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->CreateTexture(
+      pc->d3d9d,
+      256, 1,
+      1,
+      D3DUSAGE_DYNAMIC,
+      D3DFMT_X8R8G8B8,
+      D3DPOOL_DEFAULT,
+      &pc->tex_pal,
+      0);
+  if (res != D3D_OK) goto err;
+
+  D3DVERTEXELEMENT9 vertexdecls[] = {
+    {
+      .Stream = 0,
+      .Offset = 0,
+      .Type = D3DDECLTYPE_FLOAT4,
+      .Method = D3DDECLMETHOD_DEFAULT,
+      .Usage = D3DDECLUSAGE_POSITION,
+      .UsageIndex = 0,
+    },
+    D3DDECL_END()
+  };
+  res = pc->d3d9d->lpVtbl->CreateVertexDeclaration(
+      pc->d3d9d,
+      vertexdecls,
+      &pc->vdecl);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->CreateVertexShader(
+      pc->d3d9d,
+      (const DWORD *)vs20_blit, &pc->vs);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->CreatePixelShader(
+      pc->d3d9d,
+      (const DWORD *)ps20_copy, &pc->ps_modes[pacc_mode_copy]);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->CreatePixelShader(
+      pc->d3d9d,
+      (const DWORD *)ps20_color, &pc->ps_modes[pacc_mode_color]);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->CreatePixelShader(
+      pc->d3d9d,
+      (const DWORD *)ps20_color_trans, &pc->ps_modes[pacc_mode_color_trans]);
+  if (res != D3D_OK) goto err;
+
+  res = pc->d3d9d->lpVtbl->BeginStateBlock(pc->d3d9d);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetVertexDeclaration(
+      pc->d3d9d, pc->vdecl);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetRenderState(
+      pc->d3d9d, D3DRS_CULLMODE, D3DCULL_NONE);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetVertexShader(
+      pc->d3d9d, pc->vs);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetSamplerState(
+      pc->d3d9d, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetSamplerState(
+      pc->d3d9d, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetSamplerState(
+      pc->d3d9d, 1, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetSamplerState(
+      pc->d3d9d, 1, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
+  if (res != D3D_OK) goto err;
+#ifdef PACC_DEBUG_MSAA
+  res = pc->d3d9d->lpVtbl->SetSamplerState(
+      pc->d3d9d, 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
+  if (res != D3D_OK) goto err;
+#endif
+  res = pc->d3d9d->lpVtbl->SetTexture(
+      pc->d3d9d, 0, (IDirect3DBaseTexture9 *)pc->tex_pal);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->EndStateBlock(pc->d3d9d, &pc->state_common);
+  if (res != D3D_OK) goto err;
+
+  res = pc->d3d9d->lpVtbl->BeginStateBlock(pc->d3d9d);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetPixelShader(pc->d3d9d, pc->ps_modes[pacc_mode_copy]);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->EndStateBlock(pc->d3d9d, &pc->state_modes[pacc_mode_copy]);
+  if (res != D3D_OK) goto err;
+
+  res = pc->d3d9d->lpVtbl->BeginStateBlock(pc->d3d9d);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetPixelShader(pc->d3d9d, pc->ps_modes[pacc_mode_color]);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->EndStateBlock(pc->d3d9d, &pc->state_modes[pacc_mode_color]);
+  if (res != D3D_OK) goto err;
+
+  res = pc->d3d9d->lpVtbl->BeginStateBlock(pc->d3d9d);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->SetPixelShader(pc->d3d9d, pc->ps_modes[pacc_mode_color_trans]);
+  if (res != D3D_OK) goto err;
+  res = pc->d3d9d->lpVtbl->EndStateBlock(pc->d3d9d, &pc->state_modes[pacc_mode_color_trans]);
+  if (res != D3D_OK) goto err;
+
+  pc->renderthread = CreateThread(0, 0, pacc_renderproc, pc, 0, 0);
+  if (!pc->renderthread) goto err;
+  *vt = pacc_d3d9_vtable;
+  *winvt = pacc_win_vtable;
+  return pc;
+err:
+  pacc_delete(pc);
+  return 0;
+}