libretro, add Pico pad overlay and storyware pages handling

platform/libretro/libretro-common/streams/trans_stream.c

@@ -0,0 +1,92 @@
+/* Copyright  (C) 2010-2020 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (trans_stream.c).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <streams/trans_stream.h>
+
+/**
+ * trans_stream_trans_full:
+ * @data                        : (optional) existing stream data, or a target
+ *                                for the new stream data to be saved
+ * @in                          : input data
+ * @in_size                     : input size
+ * @out                         : output data
+ * @out_size                    : output size
+ * @error                       : (optional) output for error code
+ *
+ * Perform a full transcoding from a source to a destination.
+ */
+bool trans_stream_trans_full(
+    struct trans_stream_backend *backend, void **data,
+    const uint8_t *in, uint32_t in_size,
+    uint8_t *out, uint32_t out_size,
+    enum trans_stream_error *error)
+{
+   void *rdata;
+   bool ret;
+   uint32_t rd, wn;
+
+   if (data && *data)
+      rdata = *data;
+   else
+   {
+      if (!(rdata = backend->stream_new()))
+      {
+         if (error)
+            *error = TRANS_STREAM_ERROR_ALLOCATION_FAILURE;
+         return false;
+      }
+   }
+
+   backend->set_in(rdata, in, in_size);
+   backend->set_out(rdata, out, out_size);
+   ret = backend->trans(rdata, true, &rd, &wn, error);
+
+   if (data)
+      *data = rdata;
+   else
+      backend->stream_free(rdata);
+
+   return ret;
+}
+
+const struct trans_stream_backend* trans_stream_get_zlib_deflate_backend(void)
+{
+#if HAVE_ZLIB
+   return &zlib_deflate_backend;
+#else
+   return NULL;
+#endif
+}
+
+const struct trans_stream_backend* trans_stream_get_zlib_inflate_backend(void)
+{
+#if HAVE_ZLIB
+   return &zlib_inflate_backend;
+#else
+   return NULL;
+#endif
+}
+
+const struct trans_stream_backend* trans_stream_get_pipe_backend(void)
+{
+   return &pipe_backend;
+}

platform/libretro/libretro-common/streams/trans_stream_pipe.c

@@ -0,0 +1,111 @@
+/* Copyright  (C) 2010-2020 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (trans_stream_pipe.c).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <streams/trans_stream.h>
+
+struct pipe_trans_stream
+{
+   const uint8_t *in;
+   uint8_t *out;
+   uint32_t in_size, out_size;
+};
+
+static void *pipe_stream_new(void)
+{
+   struct pipe_trans_stream *stream = 
+      (struct pipe_trans_stream*)malloc(sizeof(*stream));
+   if (!stream)
+      return NULL;
+
+   stream->in                       = NULL;
+   stream->out                      = NULL;
+   stream->in_size                  = 0;
+   stream->out_size                 = 0;
+
+   return stream;
+}
+
+static void pipe_stream_free(void *data)
+{
+   free(data);
+}
+
+static void pipe_set_in(void *data, const uint8_t *in, uint32_t in_size)
+{
+   struct pipe_trans_stream *p = (struct pipe_trans_stream *) data;
+
+   if (!p)
+      return;
+         
+   p->in                       = in;
+   p->in_size                  = in_size;
+}
+
+static void pipe_set_out(void *data, uint8_t *out, uint32_t out_size)
+{
+   struct pipe_trans_stream *p = (struct pipe_trans_stream *) data;
+   
+   if (!p)
+      return;
+
+   p->out                      = out;
+   p->out_size                 = out_size;
+}
+
+static bool pipe_trans(
+   void *data, bool flush,
+   uint32_t *rd, uint32_t *wn,
+   enum trans_stream_error *error)
+{
+   struct pipe_trans_stream *p = (struct pipe_trans_stream *) data;
+
+   if (p->out_size < p->in_size)
+   {
+      memcpy(p->out, p->in, p->out_size);
+      *rd     = *wn = p->out_size;
+      p->in  += p->out_size;
+      p->out += p->out_size;
+      *error  = TRANS_STREAM_ERROR_BUFFER_FULL;
+      return false;
+   }
+
+   memcpy(p->out, p->in, p->in_size);
+   *rd     = *wn = p->in_size;
+   p->in  += p->in_size;
+   p->out += p->in_size;
+   *error  = TRANS_STREAM_ERROR_NONE;
+   return true;
+}
+
+const struct trans_stream_backend pipe_backend = {
+   "pipe",
+   &pipe_backend,
+   pipe_stream_new,
+   pipe_stream_free,
+   NULL,
+   pipe_set_in,
+   pipe_set_out,
+   pipe_trans
+};

platform/libretro/libretro-common/streams/trans_stream_zlib.c

@@ -0,0 +1,330 @@
+/* Copyright  (C) 2010-2020 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (trans_stream_zlib.c).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <zlib.h>
+#include <string/stdstring.h>
+#include <streams/trans_stream.h>
+
+struct zlib_trans_stream
+{
+   z_stream z;
+   int ex; /* window_bits or level */
+   bool inited;
+};
+
+static void *zlib_deflate_stream_new(void)
+{
+   struct zlib_trans_stream *ret = (struct zlib_trans_stream*)
+      malloc(sizeof(*ret));
+   if (!ret)
+      return NULL;
+   ret->inited      = false;
+   ret->ex          = 9;
+
+   ret->z.next_in   = NULL;
+   ret->z.avail_in  = 0;
+   ret->z.total_in  = 0;
+   ret->z.next_out  = NULL;
+   ret->z.avail_out = 0;
+   ret->z.total_out = 0;
+
+   ret->z.msg       = NULL;
+   ret->z.state     = NULL;
+
+   ret->z.zalloc    = NULL;
+   ret->z.zfree     = NULL;
+   ret->z.opaque    = NULL;
+
+   ret->z.data_type = 0;
+   ret->z.adler     = 0;
+   ret->z.reserved  = 0;
+   return (void *)ret;
+}
+
+static void *zlib_inflate_stream_new(void)
+{
+   struct zlib_trans_stream *ret = (struct zlib_trans_stream*)
+      malloc(sizeof(*ret));
+   if (!ret)
+      return NULL;
+   ret->inited      = false;
+   ret->ex          = MAX_WBITS;
+
+   ret->z.next_in   = NULL;
+   ret->z.avail_in  = 0;
+   ret->z.total_in  = 0;
+   ret->z.next_out  = NULL;
+   ret->z.avail_out = 0;
+   ret->z.total_out = 0;
+
+   ret->z.msg       = NULL;
+   ret->z.state     = NULL;
+
+   ret->z.zalloc    = NULL;
+   ret->z.zfree     = NULL;
+   ret->z.opaque    = NULL;
+
+   ret->z.data_type = 0;
+   ret->z.adler     = 0;
+   ret->z.reserved  = 0;
+   return (void *)ret;
+}
+
+static void zlib_deflate_stream_free(void *data)
+{
+   struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
+   if (!z)
+      return;
+   if (z->inited)
+      deflateEnd(&z->z);
+   free(z);
+}
+
+static void zlib_inflate_stream_free(void *data)
+{
+   struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
+   if (!z)
+      return;
+   if (z->inited)
+      inflateEnd(&z->z);
+   if (z)
+      free(z);
+}
+
+static bool zlib_deflate_define(void *data, const char *prop, uint32_t val)
+{
+   struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
+   if (string_is_equal(prop, "level"))
+   {
+      if (z)
+         z->ex = (int) val;
+      return true;
+   }
+   return false;
+}
+
+static bool zlib_inflate_define(void *data, const char *prop, uint32_t val)
+{
+   struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
+   if (string_is_equal(prop, "window_bits"))
+   {
+      if (z)
+         z->ex = (int) val;
+      return true;
+   }
+   return false;
+}
+
+static void zlib_deflate_set_in(void *data, const uint8_t *in, uint32_t in_size)
+{
+   struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
+
+   if (!z)
+      return;
+
+   z->z.next_in                = (uint8_t *) in;
+   z->z.avail_in               = in_size;
+
+   if (!z->inited)
+   {
+      deflateInit(&z->z, z->ex);
+      z->inited = true;
+   }
+}
+
+static void zlib_inflate_set_in(void *data, const uint8_t *in, uint32_t in_size)
+{
+   struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
+
+   if (!z)
+      return;
+
+   z->z.next_in                = (uint8_t *) in;
+   z->z.avail_in               = in_size;
+   if (!z->inited)
+   {
+      inflateInit2(&z->z, z->ex);
+      z->inited = true;
+   }
+}
+
+static void zlib_set_out(void *data, uint8_t *out, uint32_t out_size)
+{
+   struct zlib_trans_stream *z = (struct zlib_trans_stream *) data;
+
+   if (!z)
+      return;
+
+   z->z.next_out               = out;
+   z->z.avail_out              = out_size;
+}
+
+static bool zlib_deflate_trans(
+   void *data, bool flush,
+   uint32_t *rd, uint32_t *wn,
+   enum trans_stream_error *error)
+{
+   int zret                     = 0;
+   bool ret                     = false;
+   uint32_t pre_avail_in        = 0;
+   uint32_t pre_avail_out       = 0;
+   struct zlib_trans_stream *zt = (struct zlib_trans_stream *) data;
+   z_stream                  *z = &zt->z;
+
+   if (!zt->inited)
+   {
+      deflateInit(z, zt->ex);
+      zt->inited = true;
+   }
+
+   pre_avail_in  = z->avail_in;
+   pre_avail_out = z->avail_out;
+   zret          = deflate(z, flush ? Z_FINISH : Z_NO_FLUSH);
+
+   if (zret == Z_OK)
+   {
+      if (error)
+         *error = TRANS_STREAM_ERROR_AGAIN;
+   }
+   else if (zret == Z_STREAM_END)
+   {
+      if (error)
+         *error = TRANS_STREAM_ERROR_NONE;
+   }
+   else
+   {
+      if (error)
+         *error = TRANS_STREAM_ERROR_OTHER;
+      return false;
+   }
+   ret = true;
+
+   if (z->avail_out == 0)
+   {
+      /* Filled buffer, maybe an error */
+      if (z->avail_in != 0)
+      {
+         ret = false;
+         if (error)
+            *error = TRANS_STREAM_ERROR_BUFFER_FULL;
+      }
+   }
+
+   *rd = pre_avail_in - z->avail_in;
+   *wn = pre_avail_out - z->avail_out;
+
+   if (flush && zret == Z_STREAM_END)
+   {
+      deflateEnd(z);
+      zt->inited = false;
+   }
+
+   return ret;
+}
+
+static bool zlib_inflate_trans(
+   void *data, bool flush,
+   uint32_t *rd, uint32_t *wn,
+   enum trans_stream_error *error)
+{
+   int zret;
+   bool ret                     = false;
+   uint32_t pre_avail_in        = 0;
+   uint32_t pre_avail_out       = 0;
+   struct zlib_trans_stream *zt = (struct zlib_trans_stream *) data;
+   z_stream                  *z = &zt->z;
+
+   if (!zt->inited)
+   {
+      inflateInit2(z, zt->ex);
+      zt->inited = true;
+   }
+
+   pre_avail_in  = z->avail_in;
+   pre_avail_out = z->avail_out;
+   zret          = inflate(z, flush ? Z_FINISH : Z_NO_FLUSH);
+
+   if (zret == Z_OK)
+   {
+      if (error)
+         *error = TRANS_STREAM_ERROR_AGAIN;
+   }
+   else if (zret == Z_STREAM_END)
+   {
+      if (error)
+         *error = TRANS_STREAM_ERROR_NONE;
+   }
+   else
+   {
+      if (error)
+         *error = TRANS_STREAM_ERROR_OTHER;
+      return false;
+   }
+   ret = true;
+
+   if (z->avail_out == 0)
+   {
+      /* Filled buffer, maybe an error */
+      if (z->avail_in != 0)
+      {
+         ret = false;
+         if (error)
+            *error = TRANS_STREAM_ERROR_BUFFER_FULL;
+      }
+   }
+
+   *rd = pre_avail_in - z->avail_in;
+   *wn = pre_avail_out - z->avail_out;
+
+   if (flush && zret == Z_STREAM_END)
+   {
+      inflateEnd(z);
+      zt->inited = false;
+   }
+
+   return ret;
+}
+
+const struct trans_stream_backend zlib_deflate_backend = {
+   "zlib_deflate",
+   &zlib_inflate_backend,
+   zlib_deflate_stream_new,
+   zlib_deflate_stream_free,
+   zlib_deflate_define,
+   zlib_deflate_set_in,
+   zlib_set_out,
+   zlib_deflate_trans
+};
+
+const struct trans_stream_backend zlib_inflate_backend = {
+   "zlib_inflate",
+   &zlib_deflate_backend,
+   zlib_inflate_stream_new,
+   zlib_inflate_stream_free,
+   zlib_inflate_define,
+   zlib_inflate_set_in,
+   zlib_set_out,
+   zlib_inflate_trans
+};