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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/logging/log.h"
#include "video_core/engines/fermi_2d.h"
#include "video_core/memory_manager.h"
#include "video_core/rasterizer_interface.h"
namespace Tegra::Engines {
Fermi2D::Fermi2D() {
// Nvidia's OpenGL driver seems to assume these values
regs.src.depth = 1;
regs.dst.depth = 1;
}
Fermi2D::~Fermi2D() = default;
void Fermi2D::BindRasterizer(VideoCore::RasterizerInterface& rasterizer_) {
rasterizer = &rasterizer_;
}
void Fermi2D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
ASSERT_MSG(method < Regs::NUM_REGS,
"Invalid Fermi2D register, increase the size of the Regs structure");
regs.reg_array[method] = method_argument;
if (method == FERMI2D_REG_INDEX(pixels_from_memory.src_y0) + 1) {
Blit();
}
}
void Fermi2D::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending) {
for (u32 i = 0; i < amount; ++i) {
CallMethod(method, base_start[i], methods_pending - i <= 1);
}
}
void Fermi2D::Blit() {
LOG_DEBUG(HW_GPU, "called. source address=0x{:x}, destination address=0x{:x}",
regs.src.Address(), regs.dst.Address());
UNIMPLEMENTED_IF_MSG(regs.operation != Operation::SrcCopy, "Operation is not copy");
UNIMPLEMENTED_IF_MSG(regs.src.layer != 0, "Source layer is not zero");
UNIMPLEMENTED_IF_MSG(regs.dst.layer != 0, "Destination layer is not zero");
UNIMPLEMENTED_IF_MSG(regs.src.depth != 1, "Source depth is not one");
UNIMPLEMENTED_IF_MSG(regs.clip_enable != 0, "Clipped blit enabled");
const auto& args = regs.pixels_from_memory;
const Config config{
.operation = regs.operation,
.filter = args.sample_mode.filter,
.dst_x0 = args.dst_x0,
.dst_y0 = args.dst_y0,
.dst_x1 = args.dst_x0 + args.dst_width,
.dst_y1 = args.dst_y0 + args.dst_height,
.src_x0 = static_cast<s32>(args.src_x0 >> 32),
.src_y0 = static_cast<s32>(args.src_y0 >> 32),
.src_x1 = static_cast<s32>((args.du_dx * args.dst_width + args.src_x0) >> 32),
.src_y1 = static_cast<s32>((args.dv_dy * args.dst_height + args.src_y0) >> 32),
};
if (!rasterizer->AccelerateSurfaceCopy(regs.src, regs.dst, config)) {
UNIMPLEMENTED();
}
}
} // namespace Tegra::Engines
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