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gl_rasterizer_cache: Blit surfaces on recreation instead of flush and load.

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This commit is contained in:
bunnei 2018-07-21 16:04:01 -04:00
parent 4301f0b539
commit 63fbf9a7d3
2 changed files with 86 additions and 2 deletions
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85
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
View file

@ -254,6 +254,60 @@ static void AllocateSurfaceTexture(GLuint texture, const FormatTuple& format_tup
cur_state.Apply();
}
static bool BlitTextures(GLuint src_tex, const MathUtil::Rectangle<u32>& src_rect, GLuint dst_tex,
const MathUtil::Rectangle<u32>& dst_rect, SurfaceType type,
GLuint read_fb_handle, GLuint draw_fb_handle) {
OpenGLState prev_state{OpenGLState::GetCurState()};
SCOPE_EXIT({ prev_state.Apply(); });
OpenGLState state;
state.draw.read_framebuffer = read_fb_handle;
state.draw.draw_framebuffer = draw_fb_handle;
state.Apply();
u32 buffers{};
if (type == SurfaceType::ColorTexture) {
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, src_tex,
0);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
0);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, dst_tex,
0);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
0);
buffers = GL_COLOR_BUFFER_BIT;
} else if (type == SurfaceType::Depth) {
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, src_tex, 0);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, dst_tex, 0);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
buffers = GL_DEPTH_BUFFER_BIT;
} else if (type == SurfaceType::DepthStencil) {
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
src_tex, 0);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
dst_tex, 0);
buffers = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
}
glBlitFramebuffer(src_rect.left, src_rect.bottom, src_rect.right, src_rect.top, dst_rect.left,
dst_rect.bottom, dst_rect.right, dst_rect.top, buffers,
buffers == GL_COLOR_BUFFER_BIT ? GL_LINEAR : GL_NEAREST);
return true;
}
CachedSurface::CachedSurface(const SurfaceParams& params) : params(params) {
texture.Create();
const auto& rect{params.GetRect()};
@ -580,19 +634,25 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params) {
if (gpu.memory_manager->GpuToCpuAddress(params.addr) == boost::none)
return {};
// Check for an exact match in existing surfaces
// Look up surface in the cache based on address
const auto& search{surface_cache.find(params.addr)};
Surface surface;
if (search != surface_cache.end()) {
surface = search->second;
if (surface->GetSurfaceParams() != params || Settings::values.use_accurate_framebuffers) {
if (Settings::values.use_accurate_framebuffers) {
// If use_accurate_framebuffers is enabled, always load from memory
FlushSurface(surface);
UnregisterSurface(surface);
} else if (surface->GetSurfaceParams() != params) {
// If surface parameters changed, recreate the surface from the old one
return RecreateSurface(surface, params);
} else {
// Use the cached surface as-is
return surface;
}
}
// No surface found - create a new one
surface = std::make_shared<CachedSurface>(params);
RegisterSurface(surface);
LoadSurface(surface);
@ -600,6 +660,27 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params) {
return surface;
}
Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
const SurfaceParams& new_params) {
// Verify surface is compatible for blitting
const auto& params{surface->GetSurfaceParams()};
ASSERT(params.type == new_params.type);
ASSERT(params.pixel_format == new_params.pixel_format);
ASSERT(params.component_type == new_params.component_type);
// Create a new surface with the new parameters, and blit the previous surface to it
Surface new_surface{std::make_shared<CachedSurface>(new_params)};
BlitTextures(surface->Texture().handle, params.GetRect(), new_surface->Texture().handle,
new_surface->GetSurfaceParams().GetRect(), params.type, read_framebuffer.handle,
draw_framebuffer.handle);
// Update cache accordingly
UnregisterSurface(surface);
RegisterSurface(new_surface);
return new_surface;
}
Surface RasterizerCacheOpenGL::TryFindFramebufferSurface(VAddr cpu_addr) const {
// Tries to find the GPU address of a framebuffer based on the CPU address. This is because
// final output framebuffers are specified by CPU address, but internally our GPU cache uses

3
src/video_core/renderer_opengl/gl_rasterizer_cache.h
View file

@ -454,6 +454,9 @@ private:
void LoadSurface(const Surface& surface);
Surface GetSurface(const SurfaceParams& params);
/// Recreates a surface with new parameters
Surface RecreateSurface(const Surface& surface, const SurfaceParams& new_params);
/// Register surface into the cache
void RegisterSurface(const Surface& surface);