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-rw-r--r--src/video_core/renderer_opengl/gl_framebuffer_cache.cpp57
-rw-r--r--src/video_core/renderer_opengl/gl_framebuffer_cache.h19
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp63
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h2
-rw-r--r--src/video_core/texture_cache/surface_base.h11
5 files changed, 73 insertions, 79 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
diff --git a/src/video_core/renderer_opengl/gl_framebuffer_cache.h b/src/video_core/renderer_opengl/gl_framebuffer_cache.h
index 424344c48..02ec80ae9 100644
--- a/src/video_core/renderer_opengl/gl_framebuffer_cache.h
+++ b/src/video_core/renderer_opengl/gl_framebuffer_cache.h
@@ -18,21 +18,24 @@
namespace OpenGL {
-struct alignas(sizeof(u64)) FramebufferCacheKey {
- bool stencil_enable = false;
- u16 colors_count = 0;
+constexpr std::size_t BitsPerAttachment = 4;
- std::array<GLenum, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> color_attachments{};
- std::array<View, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> colors;
+struct FramebufferCacheKey {
View zeta;
+ std::array<View, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> colors;
+ u32 color_attachments = 0;
- std::size_t Hash() const;
+ std::size_t Hash() const noexcept;
- bool operator==(const FramebufferCacheKey& rhs) const;
+ bool operator==(const FramebufferCacheKey& rhs) const noexcept;
- bool operator!=(const FramebufferCacheKey& rhs) const {
+ bool operator!=(const FramebufferCacheKey& rhs) const noexcept {
return !operator==(rhs);
}
+
+ void SetAttachment(std::size_t index, u32 attachment) {
+ color_attachments |= attachment << (BitsPerAttachment * index);
+ }
};
} // namespace OpenGL
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index a568a4343..9eef7fcd2 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -93,7 +93,6 @@ RasterizerOpenGL::RasterizerOpenGL(Core::System& system, Core::Frontend::EmuWind
shader_program_manager = std::make_unique<GLShader::ProgramManager>();
state.draw.shader_program = 0;
state.Apply();
- clear_framebuffer.Create();
LOG_DEBUG(Render_OpenGL, "Sync fixed function OpenGL state here");
CheckExtensions();
@@ -373,78 +372,58 @@ void RasterizerOpenGL::ConfigureFramebuffers() {
UNIMPLEMENTED_IF(regs.rt_separate_frag_data == 0);
// Bind the framebuffer surfaces
- FramebufferCacheKey fbkey;
- for (std::size_t index = 0; index < Maxwell::NumRenderTargets; ++index) {
+ FramebufferCacheKey key;
+ const auto colors_count = static_cast<std::size_t>(regs.rt_control.count);
+ for (std::size_t index = 0; index < colors_count; ++index) {
View color_surface{texture_cache.GetColorBufferSurface(index, true)};
-
- if (color_surface) {
- // Assume that a surface will be written to if it is used as a framebuffer, even
- // if the shader doesn't actually write to it.
- texture_cache.MarkColorBufferInUse(index);
+ if (!color_surface) {
+ continue;
}
+ // Assume that a surface will be written to if it is used as a framebuffer, even
+ // if the shader doesn't actually write to it.
+ texture_cache.MarkColorBufferInUse(index);
- fbkey.color_attachments[index] = GL_COLOR_ATTACHMENT0 + regs.rt_control.GetMap(index);
- fbkey.colors[index] = std::move(color_surface);
+ key.SetAttachment(index, regs.rt_control.GetMap(index));
+ key.colors[index] = std::move(color_surface);
}
- fbkey.colors_count = static_cast<u16>(regs.rt_control.count);
if (depth_surface) {
// Assume that a surface will be written to if it is used as a framebuffer, even if
// the shader doesn't actually write to it.
texture_cache.MarkDepthBufferInUse();
-
- fbkey.stencil_enable = depth_surface->GetSurfaceParams().type == SurfaceType::DepthStencil;
- fbkey.zeta = std::move(depth_surface);
+ key.zeta = std::move(depth_surface);
}
texture_cache.GuardRenderTargets(false);
- state.draw.draw_framebuffer = framebuffer_cache.GetFramebuffer(fbkey);
+ state.draw.draw_framebuffer = framebuffer_cache.GetFramebuffer(key);
SyncViewport(state);
}
void RasterizerOpenGL::ConfigureClearFramebuffer(OpenGLState& current_state, bool using_color_fb,
bool using_depth_fb, bool using_stencil_fb) {
+ using VideoCore::Surface::SurfaceType;
+
auto& gpu = system.GPU().Maxwell3D();
const auto& regs = gpu.regs;
texture_cache.GuardRenderTargets(true);
- View color_surface{};
+ View color_surface;
if (using_color_fb) {
color_surface = texture_cache.GetColorBufferSurface(regs.clear_buffers.RT, false);
}
- View depth_surface{};
+ View depth_surface;
if (using_depth_fb || using_stencil_fb) {
depth_surface = texture_cache.GetDepthBufferSurface(false);
}
texture_cache.GuardRenderTargets(false);
- current_state.draw.draw_framebuffer = clear_framebuffer.handle;
- current_state.ApplyFramebufferState();
-
- if (color_surface) {
- color_surface->Attach(GL_COLOR_ATTACHMENT0, GL_DRAW_FRAMEBUFFER);
- } else {
- glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
- }
+ FramebufferCacheKey key;
+ key.colors[0] = color_surface;
+ key.zeta = depth_surface;
- if (depth_surface) {
- const auto& params = depth_surface->GetSurfaceParams();
- switch (params.type) {
- case VideoCore::Surface::SurfaceType::Depth:
- depth_surface->Attach(GL_DEPTH_ATTACHMENT, GL_DRAW_FRAMEBUFFER);
- glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
- break;
- case VideoCore::Surface::SurfaceType::DepthStencil:
- depth_surface->Attach(GL_DEPTH_STENCIL_ATTACHMENT, GL_DRAW_FRAMEBUFFER);
- break;
- default:
- UNIMPLEMENTED();
- }
- } else {
- glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
- 0);
- }
+ current_state.draw.draw_framebuffer = framebuffer_cache.GetFramebuffer(key);
+ current_state.ApplyFramebufferState();
}
void RasterizerOpenGL::Clear() {
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 0e47d71df..04c1ca551 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -223,8 +223,6 @@ private:
enum class AccelDraw { Disabled, Arrays, Indexed };
AccelDraw accelerate_draw = AccelDraw::Disabled;
-
- OGLFramebuffer clear_framebuffer;
};
} // namespace OpenGL
diff --git a/src/video_core/texture_cache/surface_base.h b/src/video_core/texture_cache/surface_base.h
index 1bed82898..5f79bb0aa 100644
--- a/src/video_core/texture_cache/surface_base.h
+++ b/src/video_core/texture_cache/surface_base.h
@@ -254,16 +254,14 @@ public:
if (!layer_mipmap) {
return {};
}
- const u32 end_layer{layer_mipmap->first};
- const u32 end_mipmap{layer_mipmap->second};
+ const auto [end_layer, end_mipmap] = *layer_mipmap;
if (layer != end_layer) {
if (mipmap == 0 && end_mipmap == 0) {
- return GetView(ViewParams(view_params.target, layer, end_layer - layer + 1, 0, 1));
+ return GetView(ViewParams(view_params.target, layer, end_layer - layer, 0, 1));
}
return {};
} else {
- return GetView(
- ViewParams(view_params.target, layer, 1, mipmap, end_mipmap - mipmap + 1));
+ return GetView(ViewParams(view_params.target, layer, 1, mipmap, end_mipmap - mipmap));
}
}
@@ -278,8 +276,7 @@ public:
if (!layer_mipmap) {
return {};
}
- const u32 layer{layer_mipmap->first};
- const u32 mipmap{layer_mipmap->second};
+ const auto [layer, mipmap] = *layer_mipmap;
if (GetMipmapSize(mipmap) != candidate_size) {
return EmplaceIrregularView(view_params, view_addr, candidate_size, mipmap, layer);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 19:02:03 +0100