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Merge pull request #618 from Subv/clear_used_buffers

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GPU: Only configure the used framebuffers during clear.
This commit is contained in:
bunnei 2018-07-04 00:12:46 -04:00 committed by GitHub
commit 81a44d38ee
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4 changed files with 48 additions and 17 deletions
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20
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -297,7 +297,8 @@ bool RasterizerOpenGL::AccelerateDrawBatch(bool is_indexed) {
return true;
}
std::pair<Surface, Surface> RasterizerOpenGL::ConfigureFramebuffers() {
std::pair<Surface, Surface> RasterizerOpenGL::ConfigureFramebuffers(bool using_color_fb,
bool using_depth_fb) {
const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs;
// Sync the depth test state before configuring the framebuffer surfaces.
@ -306,9 +307,6 @@ std::pair<Surface, Surface> RasterizerOpenGL::ConfigureFramebuffers() {
// TODO(bunnei): Implement this
const bool has_stencil = false;
const bool using_color_fb = true;
const bool using_depth_fb = regs.zeta.Address() != 0;
const MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[0].GetRect()};
const bool write_color_fb =
@ -358,18 +356,25 @@ std::pair<Surface, Surface> RasterizerOpenGL::ConfigureFramebuffers() {
void RasterizerOpenGL::Clear() {
const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs;
bool use_color_fb = false;
bool use_depth_fb = false;
GLbitfield clear_mask = 0;
if (regs.clear_buffers.R && regs.clear_buffers.G && regs.clear_buffers.B &&
regs.clear_buffers.A) {
clear_mask |= GL_COLOR_BUFFER_BIT;
use_color_fb = true;
}
if (regs.clear_buffers.Z)
if (regs.clear_buffers.Z) {
clear_mask |= GL_DEPTH_BUFFER_BIT;
use_depth_fb = true;
}
if (clear_mask == 0)
return;
auto [dirty_color_surface, dirty_depth_surface] = ConfigureFramebuffers();
auto [dirty_color_surface, dirty_depth_surface] =
ConfigureFramebuffers(use_color_fb, use_depth_fb);
// TODO(Subv): Support clearing only partial colors.
glClearColor(regs.clear_color[0], regs.clear_color[1], regs.clear_color[2],
@ -394,7 +399,8 @@ void RasterizerOpenGL::DrawArrays() {
MICROPROFILE_SCOPE(OpenGL_Drawing);
const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs;
auto [dirty_color_surface, dirty_depth_surface] = ConfigureFramebuffers();
auto [dirty_color_surface, dirty_depth_surface] =
ConfigureFramebuffers(true, regs.zeta.Address() != 0);
SyncBlendState();
SyncCullMode();

2
src/video_core/renderer_opengl/gl_rasterizer.h
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@ -85,7 +85,7 @@ private:
/// Configures the color and depth framebuffer states and returns the dirty <Color, Depth>
/// surfaces if writing was enabled.
std::pair<Surface, Surface> ConfigureFramebuffers();
std::pair<Surface, Surface> ConfigureFramebuffers(bool using_color_fb, bool using_depth_fb);
/// Binds the framebuffer color and depth surface
void BindFramebufferSurfaces(const Surface& color_surface, const Surface& depth_surface,

34
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -65,6 +65,25 @@ struct FormatTuple {
return params;
}
/*static*/ SurfaceParams SurfaceParams::CreateForDepthBuffer(
const Tegra::Engines::Maxwell3D::Regs::RenderTargetConfig& config, Tegra::GPUVAddr zeta_address,
Tegra::DepthFormat format) {
SurfaceParams params{};
params.addr = zeta_address;
params.is_tiled = true;
params.block_height = Tegra::Texture::TICEntry::DefaultBlockHeight;
params.pixel_format = PixelFormatFromDepthFormat(format);
params.component_type = ComponentTypeFromDepthFormat(format);
params.type = GetFormatType(params.pixel_format);
params.size_in_bytes = params.SizeInBytes();
params.width = config.width;
params.height = config.height;
params.unaligned_height = config.height;
params.size_in_bytes = params.SizeInBytes();
return params;
}
static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_format_tuples = {{
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, ComponentType::UNorm, false}, // ABGR8
{GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, ComponentType::UNorm, false}, // B5G6R5
@ -461,15 +480,16 @@ SurfaceSurfaceRect_Tuple RasterizerCacheOpenGL::GetFramebufferSurfaces(
LOG_WARNING(Render_OpenGL, "hard-coded for render target 0!");
// get color and depth surfaces
const SurfaceParams color_params{SurfaceParams::CreateForFramebuffer(regs.rt[0])};
SurfaceParams depth_params{color_params};
SurfaceParams color_params{};
SurfaceParams depth_params{};
if (using_color_fb) {
color_params = SurfaceParams::CreateForFramebuffer(regs.rt[0]);
}
if (using_depth_fb) {
depth_params.addr = regs.zeta.Address();
depth_params.pixel_format = SurfaceParams::PixelFormatFromDepthFormat(regs.zeta.format);
depth_params.component_type = SurfaceParams::ComponentTypeFromDepthFormat(regs.zeta.format);
depth_params.type = SurfaceParams::GetFormatType(depth_params.pixel_format);
depth_params.size_in_bytes = depth_params.SizeInBytes();
depth_params =
SurfaceParams::CreateForDepthBuffer(regs.rt[0], regs.zeta.Address(), regs.zeta.format);
}
MathUtil::Rectangle<u32> color_rect{};

9
src/video_core/renderer_opengl/gl_rasterizer_cache.h
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@ -326,13 +326,18 @@ struct SurfaceParams {
return addr <= (region_addr + region_size) && region_addr <= (addr + size_in_bytes);
}
/// Creates SurfaceParams from a texture configation
/// Creates SurfaceParams from a texture configuration
static SurfaceParams CreateForTexture(const Tegra::Texture::FullTextureInfo& config);
/// Creates SurfaceParams from a framebuffer configation
/// Creates SurfaceParams from a framebuffer configuration
static SurfaceParams CreateForFramebuffer(
const Tegra::Engines::Maxwell3D::Regs::RenderTargetConfig& config);
/// Creates SurfaceParams for a depth buffer configuration
static SurfaceParams CreateForDepthBuffer(
const Tegra::Engines::Maxwell3D::Regs::RenderTargetConfig& config,
Tegra::GPUVAddr zeta_address, Tegra::DepthFormat format);
Tegra::GPUVAddr addr;
bool is_tiled;
u32 block_height;