示例#1
0
文件: vg.c 项目: mak77/RetroArch
static void *vg_init(const video_info_t *video, const input_driver_t **input, void **input_data)
{
   unsigned temp_width = 0, temp_height = 0;
   VGfloat clearColor[4] = {0, 0, 0, 1};
   settings_t        *settings = config_get_ptr();
   driver_t            *driver = driver_get_ptr();
   const gfx_ctx_driver_t *ctx = NULL;
   vg_t                    *vg = (vg_t*)calloc(1, sizeof(vg_t));

   if (!vg)
      goto error;

   ctx = gfx_ctx_init_first(vg, settings->video.context_driver,
         GFX_CTX_OPENVG_API, 0, 0, false);

   if (!ctx)
      goto error;

   driver->video_context = ctx;

   gfx_ctx_get_video_size(vg, &temp_width, &temp_height);
   RARCH_LOG("Detecting screen resolution %ux%u.\n", temp_width, temp_height);

   if (temp_width != 0 && temp_height != 0)
   {
      video_driver_set_size_width(temp_width);
      video_driver_set_size_width(temp_height);
   }

   gfx_ctx_swap_interval(vg, video->vsync ? 1 : 0);

   gfx_ctx_update_window_title(vg);

   vg->mTexType    = video->rgb32 ? VG_sXRGB_8888 : VG_sRGB_565;
   vg->keep_aspect = video->force_aspect;

   unsigned win_width  = video->width;
   unsigned win_height = video->height;
   if (video->fullscreen && (win_width == 0) && (win_height == 0))
   {
      video_driver_get_size(&temp_width, &temp_height);

      win_width  = temp_width;
      win_height = temp_height;
   }

   if (!gfx_ctx_set_video_mode(vg, win_width, win_height, video->fullscreen))
      goto error;

   video_driver_get_size(&temp_width, &temp_height);

   temp_width  = 0;
   temp_height = 0;
   gfx_ctx_get_video_size(vg, &temp_width, &temp_height);
   vg->should_resize = true;

   if (temp_width != 0 && temp_height != 0)
   {
      RARCH_LOG("Verified window resolution %ux%u.\n", temp_width, temp_height);
      video_driver_set_size_width(temp_width);
      video_driver_set_size_height(temp_height);
   }

   video_driver_get_size(&temp_width, &temp_height);

   vg->mScreenAspect = (float)temp_width / temp_height;

   gfx_ctx_translate_aspect(vg, &vg->mScreenAspect, temp_width, temp_height);

   vgSetfv(VG_CLEAR_COLOR, 4, clearColor);

   vg->mTextureWidth = vg->mTextureHeight = video->input_scale * RARCH_SCALE_BASE;
   vg->mImage = vgCreateImage(vg->mTexType, vg->mTextureWidth, vg->mTextureHeight,
         video->smooth ? VG_IMAGE_QUALITY_BETTER : VG_IMAGE_QUALITY_NONANTIALIASED);
   vg_set_nonblock_state(vg, !video->vsync);

   gfx_ctx_input_driver(vg, input, input_data);

   if (settings->video.font_enable && font_renderer_create_default(&vg->font_driver, &vg->mFontRenderer,
            *settings->video.font_path ? settings->video.font_path : NULL, settings->video.font_size))
   {
      vg->mFont            = vgCreateFont(0);

      if (vg->mFont != VG_INVALID_HANDLE)
      {
         vg->mFontsOn      = true;
         vg->mFontHeight   = settings->video.font_size;
         vg->mPaintFg      = vgCreatePaint();
         vg->mPaintBg      = vgCreatePaint();
         VGfloat paintFg[] = { settings->video.msg_color_r, settings->video.msg_color_g, settings->video.msg_color_b, 1.0f };
         VGfloat paintBg[] = { settings->video.msg_color_r / 2.0f, settings->video.msg_color_g / 2.0f, settings->video.msg_color_b / 2.0f, 0.5f };

         vgSetParameteri(vg->mPaintFg, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
         vgSetParameterfv(vg->mPaintFg, VG_PAINT_COLOR, 4, paintFg);

         vgSetParameteri(vg->mPaintBg, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
         vgSetParameterfv(vg->mPaintBg, VG_PAINT_COLOR, 4, paintBg);
      }
   }

   if (vg_query_extension("KHR_EGL_image") && gfx_ctx_image_buffer_init(vg, video))
   {
      pvgCreateEGLImageTargetKHR = (PFNVGCREATEEGLIMAGETARGETKHRPROC)gfx_ctx_get_proc_address("vgCreateEGLImageTargetKHR");

      if (pvgCreateEGLImageTargetKHR)
      {
         RARCH_LOG("[VG] Using EGLImage buffer\n");
         vg->mEglImageBuf = true;
      }
   }

#if 0
   const char *ext = (const char*)vgGetString(VG_EXTENSIONS);
   if (ext)
      RARCH_LOG("[VG] Supported extensions: %s\n", ext);
#endif

   return vg;

error:
   if (vg)
      free(vg);
   if (driver)
      driver->video_context = NULL;
   return NULL;
}
示例#2
0
static void *gl_init(const video_info_t *video, const input_driver_t **input, void **input_data)
{
#ifdef _WIN32
   gfx_set_dwm();
#endif

#ifdef RARCH_CONSOLE
   if (driver.video_data)
      return driver.video_data;
#endif

   gl_t *gl = (gl_t*)calloc(1, sizeof(gl_t));
   if (!gl)
      return NULL;

   if (!gfx_ctx_init())
   {
      free(gl);
      return NULL;
   }

   unsigned full_x = 0, full_y = 0;
   gfx_ctx_get_video_size(&full_x, &full_y);
   RARCH_LOG("Detecting resolution %ux%u.\n", full_x, full_y);

   gfx_ctx_set_swap_interval(video->vsync ? 1 : 0, false);

   unsigned win_width = video->width;
   unsigned win_height = video->height;
   if (video->fullscreen && (win_width == 0) && (win_height == 0))
   {
      win_width = full_x;
      win_height = full_y;
   }

   if (!gfx_ctx_set_video_mode(win_width, win_height,
            g_settings.video.force_16bit ? 15 : 0, video->fullscreen))
   {
      free(gl);
      return NULL;
   }

#ifndef RARCH_CONSOLE
   gfx_ctx_update_window_title(true);

   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
#endif

#if (defined(HAVE_XML) || defined(HAVE_CG)) && defined(_WIN32)
   // Win32 GL lib doesn't have some functions needed for XML shaders.
   // Need to load dynamically :(
   if (!load_gl_proc())
   {
      gfx_ctx_destroy();
      free(gl);
      return NULL;
   }
#endif

   gl->vsync = video->vsync;
   gl->fullscreen = video->fullscreen;
   
   gl->full_x = full_x;
   gl->full_y = full_y;
   gl->win_width = win_width;
   gl->win_height = win_height;

   RARCH_LOG("GL: Using resolution %ux%u\n", gl->win_width, gl->win_height);

#if defined(HAVE_CG_MENU) && defined(RARCH_CONSOLE)
   RARCH_LOG("Initializing menu shader ...\n");
   gl_cg_set_menu_shader(default_paths.menu_shader_file);
#endif

   if (!gl_shader_init())
   {
      RARCH_ERR("Shader init failed.\n");
      gfx_ctx_destroy();
      free(gl);
      return NULL;
   }

   RARCH_LOG("GL: Loaded %u program(s).\n", gl_shader_num());

#ifdef HAVE_FBO
   // Set up render to texture.
   gl_init_fbo(gl, RARCH_SCALE_BASE * video->input_scale,
         RARCH_SCALE_BASE * video->input_scale);
#endif
   
   gl->keep_aspect = video->force_aspect;

   // Apparently need to set viewport for passes when we aren't using FBOs.
   gl_shader_use(0);
   gl_set_viewport(gl, gl->win_width, gl->win_height, false, true);
   gl_shader_use(1);
   gl_set_viewport(gl, gl->win_width, gl->win_height, false, true);

   bool force_smooth = false;
   if (gl_shader_filter_type(1, &force_smooth))
      gl->tex_filter = force_smooth ? GL_LINEAR : GL_NEAREST;
   else
      gl->tex_filter = video->smooth ? GL_LINEAR : GL_NEAREST;

   gl->texture_type = RARCH_GL_TEXTURE_TYPE;
   gl->texture_fmt = video->rgb32 ? RARCH_GL_FORMAT32 : RARCH_GL_FORMAT16;
   gl->base_size = video->rgb32 ? sizeof(uint32_t) : sizeof(uint16_t);

   glEnable(GL_TEXTURE_2D);
   glDisable(GL_DEPTH_TEST);
   glDisable(GL_DITHER);
   glClearColor(0, 0, 0, 1);

   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();

   glEnableClientState(GL_VERTEX_ARRAY);
   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
   glEnableClientState(GL_COLOR_ARRAY);
   glVertexPointer(2, GL_FLOAT, 0, vertex_ptr);

   memcpy(gl->tex_coords, tex_coords, sizeof(tex_coords));
   glTexCoordPointer(2, GL_FLOAT, 0, gl->tex_coords);
   glColorPointer(4, GL_FLOAT, 0, white_color);

   set_lut_texture_coords(tex_coords);

   gl->tex_w = RARCH_SCALE_BASE * video->input_scale;
   gl->tex_h = RARCH_SCALE_BASE * video->input_scale;

#ifdef HAVE_OPENGL_TEXREF
   glGenBuffers(1, &gl->pbo);
   glBindBuffer(GL_TEXTURE_REFERENCE_BUFFER_SCE, gl->pbo);
   glBufferData(GL_TEXTURE_REFERENCE_BUFFER_SCE,
         gl->tex_w * gl->tex_h * gl->base_size * TEXTURES, NULL, GL_STREAM_DRAW);
#endif

   // Empty buffer that we use to clear out the texture with on res change.
   gl->empty_buf = calloc(gl->tex_w * gl->tex_h, gl->base_size);
   gl_init_textures(gl);

   for (unsigned i = 0; i < TEXTURES; i++)
   {
      gl->last_width[i] = gl->tex_w;
      gl->last_height[i] = gl->tex_h;
   }

   for (unsigned i = 0; i < TEXTURES; i++)
   {
      gl->prev_info[i].tex = gl->texture[(gl->tex_index - (i + 1)) & TEXTURES_MASK];
      gl->prev_info[i].input_size[0] = gl->tex_w;
      gl->prev_info[i].tex_size[0] = gl->tex_w;
      gl->prev_info[i].input_size[1] = gl->tex_h;
      gl->prev_info[i].tex_size[1] = gl->tex_h;
      memcpy(gl->prev_info[i].coord, tex_coords, sizeof(tex_coords)); 
   }

   gfx_ctx_input_driver(input, input_data);
   gl_init_font(gl, g_settings.video.font_path, g_settings.video.font_size);
      
   if (!gl_check_error())
   {
      gfx_ctx_destroy();
      free(gl);
      return NULL;
   }

   return gl;
}