dolphin/Source/Core/VideoBackends/Metal/MTLVertexManager.mm

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// Copyright 2022 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoBackends/Metal/MTLVertexManager.h"
#include "VideoBackends/Metal/MTLStateTracker.h"
#include "VideoCommon/PixelShaderManager.h"
#include "VideoCommon/Statistics.h"
#include "VideoCommon/VertexShaderManager.h"
Metal::VertexManager::VertexManager()
{
}
Metal::VertexManager::~VertexManager() = default;
void Metal::VertexManager::UploadUtilityUniforms(const void* uniforms, u32 uniforms_size)
{
g_state_tracker->SetUtilityUniform(uniforms, uniforms_size);
}
bool Metal::VertexManager::UploadTexelBuffer(const void* data, u32 data_size,
TexelBufferFormat format, u32* out_offset)
{
*out_offset = 0;
StateTracker::Map map = g_state_tracker->Allocate(StateTracker::UploadBuffer::Texels, data_size,
StateTracker::AlignMask::Other);
memcpy(map.cpu_buffer, data, data_size);
g_state_tracker->SetTexelBuffer(map.gpu_buffer, map.gpu_offset, 0);
return true;
}
bool Metal::VertexManager::UploadTexelBuffer(const void* data, u32 data_size,
TexelBufferFormat format, u32* out_offset,
const void* palette_data, u32 palette_size,
TexelBufferFormat palette_format,
u32* out_palette_offset)
{
*out_offset = 0;
*out_palette_offset = 0;
const u32 aligned_data_size = g_state_tracker->Align(data_size, StateTracker::AlignMask::Other);
const u32 total_size = aligned_data_size + palette_size;
StateTracker::Map map = g_state_tracker->Allocate(StateTracker::UploadBuffer::Texels, total_size,
StateTracker::AlignMask::Other);
memcpy(map.cpu_buffer, data, data_size);
memcpy(static_cast<char*>(map.cpu_buffer) + aligned_data_size, palette_data, palette_size);
g_state_tracker->SetTexelBuffer(map.gpu_buffer, map.gpu_offset,
map.gpu_offset + aligned_data_size);
return true;
}
void Metal::VertexManager::ResetBuffer(u32 vertex_stride)
{
const u32 max_vertex_size = 65535 * vertex_stride;
void* vertex = g_state_tracker->Preallocate(StateTracker::UploadBuffer::Vertex, max_vertex_size);
void* index =
g_state_tracker->Preallocate(StateTracker::UploadBuffer::Index, MAXIBUFFERSIZE * sizeof(u16));
m_cur_buffer_pointer = m_base_buffer_pointer = static_cast<u8*>(vertex);
m_end_buffer_pointer = m_base_buffer_pointer + max_vertex_size;
m_index_generator.Start(static_cast<u16*>(index));
}
void Metal::VertexManager::CommitBuffer(u32 num_vertices, u32 vertex_stride, u32 num_indices,
u32* out_base_vertex, u32* out_base_index)
{
const u32 vsize = num_vertices * vertex_stride;
const u32 isize = num_indices * sizeof(u16);
StateTracker::Map vmap = g_state_tracker->CommitPreallocation(
StateTracker::UploadBuffer::Vertex, vsize, StateTracker::AlignMask::Other);
StateTracker::Map imap = g_state_tracker->CommitPreallocation(
StateTracker::UploadBuffer::Index, isize, StateTracker::AlignMask::Other);
ADDSTAT(g_stats.this_frame.bytes_vertex_streamed, vsize);
ADDSTAT(g_stats.this_frame.bytes_index_streamed, isize);
g_state_tracker->SetVerticesAndIndices(vmap, imap);
*out_base_vertex = 0;
*out_base_index = 0;
}
void Metal::VertexManager::UploadUniforms()
{
g_state_tracker->InvalidateUniforms(VertexShaderManager::dirty, PixelShaderManager::dirty);
VertexShaderManager::dirty = false;
PixelShaderManager::dirty = false;
}