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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2019-11-29 02:59:09 +0100 |
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committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2019-11-29 03:02:20 +0100 |
commit | fb6cf12a17daf1f452d9c542e22c9252bbfb5c76 (patch) | |
tree | 44b01462f402e7e8bf2c8a7e37edf1fb16ea1526 /src/video_core/renderer_opengl/gl_framebuffer_cache.cpp | |
parent | gl_rasterizer: Re-enable framebuffer cache for clear buffers (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_opengl/gl_framebuffer_cache.cpp | 57 |
1 files changed, 37 insertions, 20 deletions
diff --git a/src/video_core/renderer_opengl/gl_framebuffer_cache.cpp b/src/video_core/renderer_opengl/gl_framebuffer_cache.cpp index a5d69d78d..874ed3c6e 100644 --- a/src/video_core/renderer_opengl/gl_framebuffer_cache.cpp +++ b/src/video_core/renderer_opengl/gl_framebuffer_cache.cpp @@ -3,9 +3,12 @@ // Refer to the license.txt file included. #include <tuple> +#include <unordered_map> +#include <utility> -#include "common/cityhash.h" -#include "common/scope_exit.h" +#include <glad/glad.h> + +#include "common/common_types.h" #include "video_core/engines/maxwell_3d.h" #include "video_core/renderer_opengl/gl_framebuffer_cache.h" #include "video_core/renderer_opengl/gl_state.h" @@ -13,6 +16,7 @@ namespace OpenGL { using Maxwell = Tegra::Engines::Maxwell3D::Regs; +using VideoCore::Surface::SurfaceType; FramebufferCacheOpenGL::FramebufferCacheOpenGL() = default; @@ -35,36 +39,49 @@ OGLFramebuffer FramebufferCacheOpenGL::CreateFramebuffer(const FramebufferCacheK local_state.draw.draw_framebuffer = framebuffer.handle; local_state.ApplyFramebufferState(); + if (key.zeta) { + const bool stencil = key.zeta->GetSurfaceParams().type == SurfaceType::DepthStencil; + const GLenum attach_target = stencil ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT; + key.zeta->Attach(attach_target, GL_DRAW_FRAMEBUFFER); + } + + std::size_t num_buffers = 0; + std::array<GLenum, Maxwell::NumRenderTargets> targets; + for (std::size_t index = 0; index < Maxwell::NumRenderTargets; ++index) { - if (key.colors[index]) { - key.colors[index]->Attach(GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(index), - GL_DRAW_FRAMEBUFFER); + if (!key.colors[index]) { + targets[index] = GL_NONE; + continue; } + const GLenum attach_target = GL_COLOR_ATTACHMENT0 + static_cast<GLenum>(index); + key.colors[index]->Attach(attach_target, GL_DRAW_FRAMEBUFFER); + + const u32 attachment = (key.color_attachments >> (BitsPerAttachment * index)) & 0b1111; + targets[index] = GL_COLOR_ATTACHMENT0 + attachment; + num_buffers = index + 1; } - if (key.colors_count) { - glDrawBuffers(key.colors_count, key.color_attachments.data()); + + if (num_buffers > 0) { + glDrawBuffers(static_cast<GLsizei>(num_buffers), std::data(targets)); } else { glDrawBuffer(GL_NONE); } - if (key.zeta) { - key.zeta->Attach(key.stencil_enable ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT, - GL_DRAW_FRAMEBUFFER); - } - return framebuffer; } -std::size_t FramebufferCacheKey::Hash() const { - static_assert(sizeof(*this) % sizeof(u64) == 0, "Unaligned struct"); - return static_cast<std::size_t>( - Common::CityHash64(reinterpret_cast<const char*>(this), sizeof(*this))); +std::size_t FramebufferCacheKey::Hash() const noexcept { + std::size_t hash = std::hash<View>{}(zeta); + for (const auto& color : colors) { + hash ^= std::hash<View>{}(color); + } + hash ^= static_cast<std::size_t>(color_attachments) << 16; + return hash; } -bool FramebufferCacheKey::operator==(const FramebufferCacheKey& rhs) const { - return std::tie(stencil_enable, colors_count, color_attachments, colors, zeta) == - std::tie(rhs.stencil_enable, rhs.colors_count, rhs.color_attachments, rhs.colors, - rhs.zeta); +bool FramebufferCacheKey::operator==(const FramebufferCacheKey& rhs) const noexcept { + return std::tie(colors, zeta, color_attachments) == + std::tie(rhs.colors, rhs.zeta, rhs.color_attachments); } } // namespace OpenGL |