/***
* Callback for when a new frame is generated that we need to render.
*/
bool retro_video_refresh_callback(const void *data, unsigned width, unsigned height, size_t pitch)
{
curr_frame++;
// initialize our main render texture once we get the dimensions for the first time
if (!tex)
{
tex = vita2d_create_empty_texture_format(width, height, SCE_GXM_TEXTURE_FORMAT_R5G6B5);
tex_data = vita2d_texture_get_datap(tex);
// initialize PSPImage
if (Screen)
free(Screen);
int size = width * height * 2;
Screen = (PspImage*)malloc(sizeof(PspImage));
Screen->TextureFormat = SCE_GXM_TEXTURE_FORMAT_R5G6B5;
Screen->PalSize = (unsigned short)0;
memset(tex_data, 0, size);
Screen->Width = width;
Screen->Height = height;
Screen->Pixels = tex_data;
Screen->Texture = tex;
Screen->Viewport.X = 0;
Screen->Viewport.Y = 0;
Screen->Viewport.Width = width;
Screen->Viewport.Height = height;
int i;
for (i = 1; i < width; i *= 2);
Screen->PowerOfTwo = (i == width);
Screen->BytesPerPixel = 2;
Screen->FreeBuffer = 0;
Screen->Depth = 16;
}
// initialize our render variables if they're uninitalized, or
// if they've changed due to user action
if(OptionsChanged)
{
OptionsChanged = false;
// handle changes to scale from the options
switch (Options.DisplayMode)
{
case DISPLAY_MODE_UNSCALED:
scale_x = 1.0f;
scale_y = 1.0f;
break;
case DISPLAY_MODE_2X:
scale_x = 2.0f;
scale_y = 2.0f;
break;
case DISPLAY_MODE_FIT_HEIGHT:
scale_y = (float)SCREEN_H / (float)height;
scale_x = scale_y;
break;
case DISPLAY_MODE_FILL_SCREEN:
scale_x = (float)SCREEN_W / (float)width;
scale_y = (float)SCREEN_H / (float)height;
break;
}
curr_frame = 0;
curr_fps = 0.0f;
pos_x = (SCREEN_W / 2) - (width / 2) * scale_x;
pos_y = (SCREEN_H / 2) - (height / 2) * scale_y;
// handle texture filtering options
tex_filter = Options.TextureFilter ? SCE_GXM_TEXTURE_FILTER_LINEAR : SCE_GXM_TEXTURE_FILTER_POINT;
sceGxmTextureSetMinFilter(&(tex->gxm_tex), tex_filter);
sceGxmTextureSetMagFilter(&(tex->gxm_tex), tex_filter);
}
// copy the input pixels into the output buffer
const uint16_t* in_pixels = (const uint16_t*)data;
uint16_t *out_pixels = (uint16_t *)tex_data;
for (h = 0; h < height; h++, in_pixels += pitch / 2, out_pixels += width)
{
memcpy(out_pixels, in_pixels, width * sizeof(uint16_t));
}
// draw the screen
vita2d_start_drawing();
vita2d_draw_texture_scale(tex, pos_x, pos_y, scale_x, scale_y);
if(Options.ShowFps)
show_fps();
vita2d_end_drawing();
vita2d_swap_buffers();
return true;
}
void Texture2D::setFilter(SceGxmTextureFilter min, SceGxmTextureFilter mag) {
sceGxmTextureSetMinFilter(&mTexture, min);
sceGxmTextureSetMagFilter(&mTexture, mag);
}
