/**
* Renders external framebuffer (XFB)
* @param src_rect Source rectangle in XFB to copy
* @param dst_rect Destination rectangle in output framebuffer to copy to
*/
void RendererOpenGL::RenderXFB(const Rect& src_rect, const Rect& dst_rect) {
FlipFramebuffer(LCD::GetFramebufferPointer(LCD::g_regs.framebuffer_top_left_1), m_xfb_top_flipped);
FlipFramebuffer(LCD::GetFramebufferPointer(LCD::g_regs.framebuffer_sub_left_1), m_xfb_bottom_flipped);
// Blit the top framebuffer
// ------------------------
// Update textures with contents of XFB in RAM - top
glBindTexture(GL_TEXTURE_2D, m_xfb_texture_top);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight,
GL_BGR, GL_UNSIGNED_BYTE, m_xfb_top_flipped);
glBindTexture(GL_TEXTURE_2D, 0);
// Render target is destination framebuffer
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fbo[kFramebuffer_VirtualXFB]);
glViewport(0, 0, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight);
// Render source is our EFB
glBindFramebuffer(GL_READ_FRAMEBUFFER, m_xfb_top);
glReadBuffer(GL_COLOR_ATTACHMENT0);
// Blit
glBlitFramebuffer(src_rect.x0_, src_rect.y0_, src_rect.x1_, src_rect.y1_,
dst_rect.x0_, dst_rect.y1_, dst_rect.x1_, dst_rect.y0_,
GL_COLOR_BUFFER_BIT, GL_LINEAR);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
// Blit the bottom framebuffer
// ---------------------------
// Update textures with contents of XFB in RAM - bottom
glBindTexture(GL_TEXTURE_2D, m_xfb_texture_bottom);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight,
GL_RGB, GL_UNSIGNED_BYTE, m_xfb_bottom_flipped);
glBindTexture(GL_TEXTURE_2D, 0);
// Render target is destination framebuffer
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fbo[kFramebuffer_VirtualXFB]);
glViewport(0, 0,
VideoCore::kScreenBottomWidth, VideoCore::kScreenBottomHeight);
// Render source is our EFB
glBindFramebuffer(GL_READ_FRAMEBUFFER, m_xfb_bottom);
glReadBuffer(GL_COLOR_ATTACHMENT0);
// Blit
int offset = (VideoCore::kScreenTopWidth - VideoCore::kScreenBottomWidth) / 2;
glBlitFramebuffer(0,0, VideoCore::kScreenBottomWidth, VideoCore::kScreenBottomHeight,
offset, VideoCore::kScreenBottomHeight, VideoCore::kScreenBottomWidth + offset, 0,
GL_COLOR_BUFFER_BIT, GL_LINEAR);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
/**
* Renders external framebuffer (XFB)
* @param src_rect Source rectangle in XFB to copy
* @param dst_rect Destination rectangle in output framebuffer to copy to
*/
void RendererOpenGL::RenderXFB(const common::Rect& src_rect, const common::Rect& dst_rect) {
const auto& framebuffer_top = GPU::g_regs.framebuffer_config[0];
const auto& framebuffer_sub = GPU::g_regs.framebuffer_config[1];
const u32 active_fb_top = (framebuffer_top.active_fb == 1)
? Memory::PhysicalToVirtualAddress(framebuffer_top.address_left2)
: Memory::PhysicalToVirtualAddress(framebuffer_top.address_left1);
const u32 active_fb_sub = (framebuffer_sub.active_fb == 1)
? Memory::PhysicalToVirtualAddress(framebuffer_sub.address_left2)
: Memory::PhysicalToVirtualAddress(framebuffer_sub.address_left1);
DEBUG_LOG(GPU, "RenderXFB: 0x%08x bytes from 0x%08x(%dx%d), fmt %x",
framebuffer_top.stride * framebuffer_top.height,
active_fb_top, (int)framebuffer_top.width,
(int)framebuffer_top.height, (int)framebuffer_top.format);
FlipFramebuffer(Memory::GetPointer(active_fb_top), screen_info.Top());
FlipFramebuffer(Memory::GetPointer(active_fb_sub), screen_info.Bottom());
for (int i = 0; i < 2; i++) {
ScreenInfo* current_screen = &screen_info[i];
glBindTexture(GL_TEXTURE_2D, current_screen->texture_id);
// TODO: This should consider the GPU registers for framebuffer width, height and stride.
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, current_screen->width, current_screen->height,
GL_RGB, GL_UNSIGNED_BYTE, current_screen->flipped_xfb_data);
}
glBindTexture(GL_TEXTURE_2D, 0);
// TODO(princesspeachum):
// Only the subset src_rect of the GPU buffer
// should be copied into the texture of the relevant screen.
//
// The method's parameters also only include src_rect and dest_rec for one screen,
// so this may need to be changed (pair for each screen).
}
