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PostProcessing: Split into internal and display chains

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This commit is contained in:
Stenzek
2024-06-28 15:11:14 +10:00
parent 810ce1ce57
commit 0c3cf1f5f8
12 changed files with 615 additions and 518 deletions
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83
src/core/gpu.cpp
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@ -56,6 +56,8 @@ static u64 s_active_gpu_cycles = 0;
static u32 s_active_gpu_cycles_frames = 0;
#endif
static constexpr GPUTexture::Format DISPLAY_INTERNAL_POSTFX_FORMAT = GPUTexture::Format::RGBA8;
GPU::GPU()
{
ResetStatistics();
@ -1932,24 +1934,53 @@ bool GPU::PresentDisplay()
bool GPU::RenderDisplay(GPUTexture* target, const Common::Rectangle<s32>& draw_rect, bool postfx)
{
GL_SCOPE_FMT("RenderDisplay: {}x{} at {},{}", draw_rect.left, draw_rect.top, draw_rect.GetWidth(),
draw_rect.GetHeight());
GL_SCOPE_FMT("RenderDisplay: {}x{} at {},{}", draw_rect.GetWidth(), draw_rect.GetHeight(), draw_rect.left,
draw_rect.top);
if (m_display_texture)
m_display_texture->MakeReadyForSampling();
// Internal post-processing.
GPUTexture* display_texture = m_display_texture;
s32 display_texture_view_x = m_display_texture_view_x;
s32 display_texture_view_y = m_display_texture_view_y;
s32 display_texture_view_width = m_display_texture_view_width;
s32 display_texture_view_height = m_display_texture_view_height;
if (postfx && display_texture && PostProcessing::InternalChain.IsActive() &&
PostProcessing::InternalChain.CheckTargets(DISPLAY_INTERNAL_POSTFX_FORMAT, display_texture_view_width,
display_texture_view_height))
{
DebugAssert(display_texture_view_x == 0 && display_texture_view_y == 0 &&
static_cast<s32>(display_texture->GetWidth()) == display_texture_view_width &&
static_cast<s32>(display_texture->GetHeight()) == display_texture_view_height);
// Now we can apply the post chain.
GPUTexture* post_output_texture = PostProcessing::InternalChain.GetOutputTexture();
if (PostProcessing::InternalChain.Apply(display_texture, post_output_texture, 0, 0, display_texture_view_width,
display_texture_view_height, display_texture_view_width,
display_texture_view_height, m_crtc_state.display_width,
m_crtc_state.display_height))
{
display_texture_view_x = 0;
display_texture_view_y = 0;
display_texture = post_output_texture;
display_texture->MakeReadyForSampling();
}
}
const GPUTexture::Format hdformat = target ? target->GetFormat() : g_gpu_device->GetWindowFormat();
const u32 target_width = target ? target->GetWidth() : g_gpu_device->GetWindowWidth();
const u32 target_height = target ? target->GetHeight() : g_gpu_device->GetWindowHeight();
const bool really_postfx = (postfx && PostProcessing::IsActive() && !g_gpu_device->GetWindowInfo().IsSurfaceless() &&
hdformat != GPUTexture::Format::Unknown && target_width > 0 && target_height > 0 &&
PostProcessing::CheckTargets(hdformat, target_width, target_height));
const bool really_postfx =
(postfx && PostProcessing::DisplayChain.IsActive() && !g_gpu_device->GetWindowInfo().IsSurfaceless() &&
hdformat != GPUTexture::Format::Unknown && target_width > 0 && target_height > 0 &&
PostProcessing::DisplayChain.CheckTargets(hdformat, target_width, target_height));
const Common::Rectangle<s32> real_draw_rect =
g_gpu_device->UsesLowerLeftOrigin() ? GPUDevice::FlipToLowerLeft(draw_rect, target_height) : draw_rect;
if (really_postfx)
{
g_gpu_device->ClearRenderTarget(PostProcessing::GetInputTexture(), 0);
g_gpu_device->SetRenderTarget(PostProcessing::GetInputTexture());
g_gpu_device->ClearRenderTarget(PostProcessing::DisplayChain.GetInputTexture(), 0);
g_gpu_device->SetRenderTarget(PostProcessing::DisplayChain.GetInputTexture());
}
else
{
@ -1959,7 +1990,7 @@ bool GPU::RenderDisplay(GPUTexture* target, const Common::Rectangle<s32>& draw_r
return false;
}
if (m_display_texture)
if (display_texture)
{
bool texture_filter_linear = false;
@ -2003,26 +2034,25 @@ bool GPU::RenderDisplay(GPUTexture* target, const Common::Rectangle<s32>& draw_r
}
g_gpu_device->SetPipeline(m_display_pipeline.get());
g_gpu_device->SetTextureSampler(0, m_display_texture,
texture_filter_linear ? g_gpu_device->GetLinearSampler() :
g_gpu_device->GetNearestSampler());
g_gpu_device->SetTextureSampler(
0, display_texture, texture_filter_linear ? g_gpu_device->GetLinearSampler() : g_gpu_device->GetNearestSampler());
// For bilinear, clamp to 0.5/SIZE-0.5 to avoid bleeding from the adjacent texels in VRAM. This is because
// 1.0 in UV space is not the bottom-right texel, but a mix of the bottom-right and wrapped/next texel.
const float rcp_width = 1.0f / static_cast<float>(m_display_texture->GetWidth());
const float rcp_height = 1.0f / static_cast<float>(m_display_texture->GetHeight());
uniforms.src_rect[0] = static_cast<float>(m_display_texture_view_x) * rcp_width;
uniforms.src_rect[1] = static_cast<float>(m_display_texture_view_y) * rcp_height;
uniforms.src_rect[2] = static_cast<float>(m_display_texture_view_width) * rcp_width;
uniforms.src_rect[3] = static_cast<float>(m_display_texture_view_height) * rcp_height;
uniforms.clamp_rect[0] = (static_cast<float>(m_display_texture_view_x) + 0.5f) * rcp_width;
uniforms.clamp_rect[1] = (static_cast<float>(m_display_texture_view_y) + 0.5f) * rcp_height;
const float rcp_width = 1.0f / static_cast<float>(display_texture->GetWidth());
const float rcp_height = 1.0f / static_cast<float>(display_texture->GetHeight());
uniforms.src_rect[0] = static_cast<float>(display_texture_view_x) * rcp_width;
uniforms.src_rect[1] = static_cast<float>(display_texture_view_y) * rcp_height;
uniforms.src_rect[2] = static_cast<float>(display_texture_view_width) * rcp_width;
uniforms.src_rect[3] = static_cast<float>(display_texture_view_height) * rcp_height;
uniforms.clamp_rect[0] = (static_cast<float>(display_texture_view_x) + 0.5f) * rcp_width;
uniforms.clamp_rect[1] = (static_cast<float>(display_texture_view_y) + 0.5f) * rcp_height;
uniforms.clamp_rect[2] =
(static_cast<float>(m_display_texture_view_x + m_display_texture_view_width) - 0.5f) * rcp_width;
(static_cast<float>(display_texture_view_x + display_texture_view_width) - 0.5f) * rcp_width;
uniforms.clamp_rect[3] =
(static_cast<float>(m_display_texture_view_y + m_display_texture_view_height) - 0.5f) * rcp_height;
uniforms.src_size[0] = static_cast<float>(m_display_texture->GetWidth());
uniforms.src_size[1] = static_cast<float>(m_display_texture->GetHeight());
(static_cast<float>(display_texture_view_y + display_texture_view_height) - 0.5f) * rcp_height;
uniforms.src_size[0] = static_cast<float>(display_texture->GetWidth());
uniforms.src_size[1] = static_cast<float>(display_texture->GetHeight());
uniforms.src_size[2] = rcp_width;
uniforms.src_size[3] = rcp_height;
g_gpu_device->PushUniformBuffer(&uniforms, sizeof(uniforms));
@ -2044,9 +2074,10 @@ bool GPU::RenderDisplay(GPUTexture* target, const Common::Rectangle<s32>& draw_r
const s32 orig_width = static_cast<s32>(std::ceil(static_cast<float>(m_crtc_state.display_width) * upscale_x));
const s32 orig_height = static_cast<s32>(std::ceil(static_cast<float>(m_crtc_state.display_height) * upscale_y));
return PostProcessing::Apply(target, real_draw_rect.left, real_draw_rect.top, real_draw_rect.GetWidth(),
real_draw_rect.GetHeight(), orig_width, orig_height, m_crtc_state.display_width,
m_crtc_state.display_height);
return PostProcessing::DisplayChain.Apply(PostProcessing::DisplayChain.GetInputTexture(), target,
real_draw_rect.left, real_draw_rect.top, real_draw_rect.GetWidth(),
real_draw_rect.GetHeight(), orig_width, orig_height,
m_crtc_state.display_width, m_crtc_state.display_height);
}
else
{