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rsx: fbo fixes 2.5

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- Implement flush-always behaviour to partially fix readback from a currently bound fbo
  - Without this, only the first read is correct, as more draws are added the results become 'wrong'
  - Fixes WCB and cpublit behviour
- Synchronize blit_dst surfaces to avoid data loss when gpu texture scaling is used
  - Its still faster in such cases to disable gpu texture scaling but some types cannot be disabled without force cpu blit (e.g framebuffer transfers)
- Memory management tuning
  - rsx: on-demand texture cache rescanning for unprotected sections
  - rsx: Only framebuffer resources are upscaled
  - Do not resize regular blit engine resources
  - Lazy initialize readback buffer when using opengl
  -- These measures should help minimize vram usage
This commit is contained in:
kd-11 2018-02-03 11:37:42 +03:00
parent 02e571adbc
commit 89c548b5d3
11 changed files with 282 additions and 63 deletions
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10
rpcs3/Emu/RSX/GL/GLRenderTargets.cpp
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@ -337,6 +337,7 @@ void GLGSRender::init_buffers(rsx::framebuffer_creation_context context, bool sk
old_format_found = true;
}
m_gl_texture_cache.set_memory_read_flags(m_surface_info[i].address, m_surface_info[i].pitch * m_surface_info[i].height, rsx::memory_read_flags::flush_once);
m_gl_texture_cache.flush_if_cache_miss_likely(old_format, m_surface_info[i].address, m_surface_info[i].pitch * m_surface_info[i].height);
}
@ -361,6 +362,15 @@ void GLGSRender::init_buffers(rsx::framebuffer_creation_context context, bool sk
if (std::get<0>(m_rtts.m_bound_depth_stencil))
{
if (m_depth_surface_info.pitch && g_cfg.video.write_depth_buffer)
{
auto bpp = m_depth_surface_info.pitch / m_depth_surface_info.width;
auto old_format = (bpp == 2) ? gl::texture::format::depth : gl::texture::format::depth_stencil;
m_gl_texture_cache.set_memory_read_flags(m_depth_surface_info.address, m_depth_surface_info.pitch * m_depth_surface_info.height, rsx::memory_read_flags::flush_once);
m_gl_texture_cache.flush_if_cache_miss_likely(old_format, m_depth_surface_info.address, m_depth_surface_info.pitch * m_depth_surface_info.height);
}
auto ds = std::get<1>(m_rtts.m_bound_depth_stencil);
u8 texel_size = 2;