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gl_rasterizer_cache: Use dirty flags for color buffers

This commit is contained in:
ReinUsesLisp 2019-01-07 01:11:03 -03:00
parent 0ab17ab406
commit 179ee963db
4 changed files with 24 additions and 4 deletions

View file

@ -135,6 +135,15 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
if (regs.reg_array[method_call.method] != method_call.argument) {
regs.reg_array[method_call.method] = method_call.argument;
// Color buffers
constexpr u32 first_rt_reg = MAXWELL3D_REG_INDEX(rt);
constexpr u32 registers_per_rt = sizeof(regs.rt[0]) / sizeof(u32);
if (method_call.method >= first_rt_reg &&
method_call.method < first_rt_reg + registers_per_rt * Regs::NumRenderTargets) {
const std::size_t rt_index = (method_call.method - first_rt_reg) / registers_per_rt;
dirty_flags.color_buffer |= 1u << static_cast<u32>(rt_index);
}
// Shader
constexpr u32 shader_registers_count =
sizeof(regs.shader_config[0]) * Regs::MaxShaderProgram / sizeof(u32);

View file

@ -1089,12 +1089,15 @@ public:
MemoryManager& memory_manager;
struct DirtyFlags {
u8 color_buffer = 0xFF;
bool shaders = true;
bool vertex_attrib_format = true;
u32 vertex_array = 0xFFFFFFFF;
void OnMemoryWrite() {
color_buffer = 0xFF;
shaders = true;
vertex_array = 0xFFFFFFFF;
}

View file

@ -933,21 +933,27 @@ Surface RasterizerCacheOpenGL::GetDepthBufferSurface(bool preserve_contents) {
}
Surface RasterizerCacheOpenGL::GetColorBufferSurface(std::size_t index, bool preserve_contents) {
const auto& regs{Core::System::GetInstance().GPU().Maxwell3D().regs};
auto& gpu{Core::System::GetInstance().GPU().Maxwell3D()};
const auto& regs{gpu.regs};
if ((gpu.dirty_flags.color_buffer & (1u << static_cast<u32>(index))) == 0) {
return last_color_buffers[index];
}
gpu.dirty_flags.color_buffer &= ~(1u << static_cast<u32>(index));
ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets);
if (index >= regs.rt_control.count) {
return {};
return last_color_buffers[index] = {};
}
if (regs.rt[index].Address() == 0 || regs.rt[index].format == Tegra::RenderTargetFormat::NONE) {
return {};
return last_color_buffers[index] = {};
}
const SurfaceParams color_params{SurfaceParams::CreateForFramebuffer(index)};
return GetSurface(color_params, preserve_contents);
return last_color_buffers[index] = GetSurface(color_params, preserve_contents);
}
void RasterizerCacheOpenGL::LoadSurface(const Surface& surface) {

View file

@ -396,6 +396,8 @@ private:
/// Use a Pixel Buffer Object to download the previous texture and then upload it to the new one
/// using the new format.
OGLBuffer copy_pbo;
std::array<Surface, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> last_color_buffers;
};
} // namespace OpenGL