rpcs3/rpcs3/Emu/RSX/GL/vertex_buffer.cpp

521 lines
19 KiB
C++

#include "stdafx.h"
#include "GLGSRender.h"
#include "../rsx_methods.h"
#include "../Common/BufferUtils.h"
#include "gl_helpers.h"
namespace
{
static constexpr std::array<const char*, 16> s_reg_table =
{
"in_pos_buffer", "in_weight_buffer", "in_normal_buffer",
"in_diff_color_buffer", "in_spec_color_buffer",
"in_fog_buffer",
"in_point_size_buffer", "in_7_buffer",
"in_tc0_buffer", "in_tc1_buffer", "in_tc2_buffer", "in_tc3_buffer",
"in_tc4_buffer", "in_tc5_buffer", "in_tc6_buffer", "in_tc7_buffer"
};
}
namespace
{
u32 to_gl_internal_type(rsx::vertex_base_type type, u8 size)
{
/**
* The buffer texture spec only allows fetches aligned to 8, 16, 32, etc...
* This rules out most 3-component formats, except for the 32-wide RGB32F, RGB32I, RGB32UI
*/
const u32 vec1_types[] = { GL_R16, GL_R32F, GL_R16F, GL_R8, GL_R16I, GL_R16, GL_R8UI };
const u32 vec2_types[] = { GL_RG16, GL_RG32F, GL_RG16F, GL_RG8, GL_RG16I, GL_RG16, GL_RG8UI };
const u32 vec3_types[] = { GL_RGBA16, GL_RGB32F, GL_RGBA16F, GL_RGBA8, GL_RGBA16I, GL_RGBA16, GL_RGBA8UI }; //VEC3 COMPONENTS NOT SUPPORTED!
const u32 vec4_types[] = { GL_RGBA16, GL_RGBA32F, GL_RGBA16F, GL_RGBA8, GL_RGBA16I, GL_RGBA16, GL_RGBA8UI };
const u32* vec_selectors[] = { 0, vec1_types, vec2_types, vec3_types, vec4_types };
if (type > rsx::vertex_base_type::ub256)
fmt::throw_exception("OpenGL error: unknown vertex base type 0x%x" HERE, (u32)type);
return vec_selectors[size][(int)type];
}
void prepare_buffer_for_writing(void *data, rsx::vertex_base_type type, u8 vertex_size, u32 vertex_count)
{
switch (type)
{
case rsx::vertex_base_type::sf:
{
if (vertex_size == 3)
{
/**
* Pad the 4th component for half-float arrays to 1, since texelfetch does not mask components
*/
u16 *dst = reinterpret_cast<u16*>(data);
for (u32 i = 0, idx = 3; i < vertex_count; ++i, idx += 4)
dst[idx] = 0x3c00;
}
break;
}
}
}
template<typename T, int count>
struct apply_attrib_t;
template<typename T>
struct apply_attrib_t<T, 1>
{
static void func(gl::glsl::program& program, int location, const T* data)
{
program.attribs[location] = data[0];
}
};
template<typename T>
struct apply_attrib_t<T, 2>
{
static void func(gl::glsl::program& program, int location, const T* data)
{
program.attribs[location] = color2_base<T>{ data[0], data[1] };
}
};
template<typename T>
struct apply_attrib_t<T, 3>
{
static void func(gl::glsl::program& program, int location, const T* data)
{
program.attribs[location] = color3_base<T>{ data[0], data[1], data[2] };
}
};
template<typename T>
struct apply_attrib_t<T, 4>
{
static void func(gl::glsl::program& program, int location, const T* data)
{
program.attribs[location] = color4_base<T>{ data[0], data[1], data[2], data[3] };
}
};
template<typename T, int count>
void apply_attrib_array(gl::glsl::program& program, int location, const std::vector<u8>& data)
{
for (size_t offset = 0; offset < data.size(); offset += count * sizeof(T))
{
apply_attrib_t<T, count>::func(program, location, (T*)(data.data() + offset));
}
}
gl::buffer_pointer::type gl_types(rsx::vertex_base_type type)
{
switch (type)
{
case rsx::vertex_base_type::s1: return gl::buffer_pointer::type::s16;
case rsx::vertex_base_type::f: return gl::buffer_pointer::type::f32;
case rsx::vertex_base_type::sf: return gl::buffer_pointer::type::f16;
case rsx::vertex_base_type::ub: return gl::buffer_pointer::type::u8;
case rsx::vertex_base_type::s32k: return gl::buffer_pointer::type::s32;
case rsx::vertex_base_type::cmp: return gl::buffer_pointer::type::s16; // Needs conversion
case rsx::vertex_base_type::ub256: gl::buffer_pointer::type::u8;
}
fmt::throw_exception("unknown vertex type" HERE);
}
bool gl_normalized(rsx::vertex_base_type type)
{
switch (type)
{
case rsx::vertex_base_type::s1:
case rsx::vertex_base_type::ub:
case rsx::vertex_base_type::cmp:
return true;
case rsx::vertex_base_type::f:
case rsx::vertex_base_type::sf:
case rsx::vertex_base_type::ub256:
case rsx::vertex_base_type::s32k:
return false;
}
fmt::throw_exception("unknown vertex type" HERE);
}
// return vertex count if primitive type is not native (empty array otherwise)
std::tuple<u32, u32> get_index_array_for_emulated_non_indexed_draw(const std::vector<std::pair<u32, u32>> &first_count_commands, rsx::primitive_type primitive_mode, gl::ring_buffer &dst)
{
u32 vertex_draw_count = 0;
verify(HERE), !gl::is_primitive_native(primitive_mode);
for (const auto &pair : first_count_commands)
{
vertex_draw_count += (u32)get_index_count(primitive_mode, pair.second);
}
u32 first = 0;
auto mapping = dst.alloc_and_map(vertex_draw_count * sizeof(u16));
char *mapped_buffer = (char *)mapping.first;
for (const auto &pair : first_count_commands)
{
size_t element_count = get_index_count(primitive_mode, pair.second);
write_index_array_for_non_indexed_non_native_primitive_to_buffer(mapped_buffer, primitive_mode, first, pair.second);
mapped_buffer = (char*)mapped_buffer + element_count * sizeof(u16);
first += pair.second;
}
dst.unmap();
return std::make_tuple(vertex_draw_count, mapping.second);
}
std::tuple<u32, u32, u32> upload_index_buffer(gsl::span<const gsl::byte> raw_index_buffer, void *ptr, rsx::index_array_type type, rsx::primitive_type draw_mode, const std::vector<std::pair<u32, u32>> first_count_commands, u32 initial_vertex_count)
{
u32 min_index, max_index, vertex_draw_count = initial_vertex_count;
vertex_draw_count = (u32)get_index_count(draw_mode, ::narrow<int>(vertex_draw_count));
u32 type_size = ::narrow<u32>(get_index_type_size(type));
u32 block_sz = vertex_draw_count * type_size;
gsl::span<gsl::byte> dst{ reinterpret_cast<gsl::byte*>(ptr), ::narrow<u32>(block_sz) };
std::tie(min_index, max_index) = write_index_array_data_to_buffer(dst, raw_index_buffer,
type, draw_mode, rsx::method_registers.restart_index_enabled(), rsx::method_registers.restart_index(), first_count_commands,
[](auto prim) { return !is_primitive_native(prim); });
return std::make_tuple(min_index, max_index, vertex_draw_count);
}
}
namespace
{
GLenum get_index_type(rsx::index_array_type type)
{
switch (type)
{
case rsx::index_array_type::u16: return GL_UNSIGNED_SHORT;
case rsx::index_array_type::u32: return GL_UNSIGNED_INT;
}
throw;
}
struct vertex_buffer_visitor
{
vertex_buffer_visitor(u32 vtx_cnt, u32 texture_idx_offset, gl::ring_buffer& heap,
gl::glsl::program* prog, gl::texture* attrib_buffer, u32 min_texbuffer_offset)
: vertex_count(vtx_cnt)
, m_attrib_ring_info(heap)
, m_program(prog)
, texture_index_offset(texture_idx_offset)
, m_gl_attrib_buffers(attrib_buffer)
, m_min_texbuffer_alignment(min_texbuffer_offset)
{
}
void operator()(const rsx::vertex_array_buffer& vertex_array)
{
int location;
if (!m_program->uniforms.has_location(s_reg_table[vertex_array.index], &location))
return;
// Fill vertex_array
u32 element_size = rsx::get_vertex_type_size_on_host(vertex_array.type, vertex_array.attribute_size);
u32 data_size = vertex_count * element_size;
u32 gl_type = to_gl_internal_type(vertex_array.type, vertex_array.attribute_size);
auto& texture = m_gl_attrib_buffers[vertex_array.index];
u32 buffer_offset = 0;
auto mapping = m_attrib_ring_info.alloc_from_reserve(data_size, m_min_texbuffer_alignment);
gsl::byte* dst = static_cast<gsl::byte*>(mapping.first);
buffer_offset = mapping.second;
gsl::span<gsl::byte> dest_span(dst, data_size);
prepare_buffer_for_writing(dst, vertex_array.type, vertex_array.attribute_size, vertex_count);
write_vertex_array_data_to_buffer(dest_span, vertex_array.data, vertex_count, vertex_array.type, vertex_array.attribute_size, vertex_array.stride, rsx::get_vertex_type_size_on_host(vertex_array.type, vertex_array.attribute_size));
texture.copy_from(m_attrib_ring_info, gl_type, buffer_offset, data_size);
//Link texture to uniform
m_program->uniforms.texture(location, vertex_array.index + texture_index_offset, texture);
}
void operator()(const rsx::vertex_array_register& vertex_register)
{
int location;
if (!m_program->uniforms.has_location(s_reg_table[vertex_register.index], &location))
return;
switch (vertex_register.type)
{
case rsx::vertex_base_type::f:
{
const u32 element_size = rsx::get_vertex_type_size_on_host(vertex_register.type, vertex_register.attribute_size);
const u32 gl_type = to_gl_internal_type(vertex_register.type, vertex_register.attribute_size);
const u32 data_size = element_size;
auto& texture = m_gl_attrib_buffers[vertex_register.index];
auto mapping = m_attrib_ring_info.alloc_from_reserve(data_size, m_min_texbuffer_alignment);
u8 *dst = static_cast<u8*>(mapping.first);
memcpy(dst, vertex_register.data.data(), element_size);
texture.copy_from(m_attrib_ring_info, gl_type, mapping.second, data_size);
//Link texture to uniform
m_program->uniforms.texture(location, vertex_register.index + texture_index_offset, texture);
break;
}
default:
LOG_ERROR(RSX, "bad non array vertex data format (type=%d, size=%d)", (u32)vertex_register.type, vertex_register.attribute_size);
break;
}
}
void operator()(const rsx::empty_vertex_array& vbo)
{
int location;
if (!m_program->uniforms.has_location(s_reg_table[vbo.index], &location))
return;
glActiveTexture(GL_TEXTURE0 + vbo.index + texture_index_offset);
glBindTexture(GL_TEXTURE_BUFFER, 0);
glProgramUniform1i(m_program->id(), location, vbo.index + texture_index_offset);
}
protected:
u32 vertex_count;
gl::ring_buffer& m_attrib_ring_info;
gl::glsl::program* m_program;
u32 texture_index_offset;
gl::texture* m_gl_attrib_buffers;
GLint m_min_texbuffer_alignment;
};
struct draw_command_visitor
{
using attribute_storage = std::vector<
std::variant<rsx::vertex_array_buffer, rsx::vertex_array_register, rsx::empty_vertex_array>>;
draw_command_visitor(gl::ring_buffer& index_ring_buffer, gl::ring_buffer& attrib_ring_buffer,
gl::texture* gl_attrib_buffers, gl::glsl::program* program, GLint min_texbuffer_alignment,
std::function<attribute_storage(rsx::rsx_state, std::vector<std::pair<u32, u32>>)> gvb)
: m_index_ring_buffer(index_ring_buffer)
, m_attrib_ring_buffer(attrib_ring_buffer)
, m_gl_attrib_buffers(gl_attrib_buffers)
, m_program(program)
, m_min_texbuffer_alignment(min_texbuffer_alignment)
, get_vertex_buffers(gvb)
{
for (u8 index = 0; index < rsx::limits::vertex_count; ++index) {
if (rsx::method_registers.vertex_arrays_info[index].size() ||
rsx::method_registers.register_vertex_info[index].size)
{
max_vertex_attrib_size += 16;
}
}
}
std::tuple<u32, std::optional<std::tuple<GLenum, u32>>> operator()(
const rsx::draw_array_command& command)
{
u32 vertex_count = rsx::method_registers.current_draw_clause.get_elements_count();
u32 min_index = rsx::method_registers.current_draw_clause.first_count_commands.front().first;
u32 max_index = vertex_count - 1 + min_index;
if (!gl::is_primitive_native(rsx::method_registers.current_draw_clause.primitive)) {
u32 index_count;
u32 offset_in_index_buffer;
std::tie(index_count, offset_in_index_buffer) = get_index_array_for_emulated_non_indexed_draw(
rsx::method_registers.current_draw_clause.first_count_commands,
rsx::method_registers.current_draw_clause.primitive, m_index_ring_buffer);
upload_vertex_buffers(min_index, max_index, max_vertex_attrib_size, texture_index_offset);
// std::chrono::time_point<std::chrono::system_clock> now = std::chrono::system_clock::now();
// m_vertex_upload_time += std::chrono::duration_cast<std::chrono::microseconds>(now -
//then).count();
return std::make_tuple(index_count,
std::make_tuple(static_cast<GLenum>(GL_UNSIGNED_SHORT), offset_in_index_buffer));
}
upload_vertex_buffers(min_index, max_index, max_vertex_attrib_size, texture_index_offset);
// std::chrono::time_point<std::chrono::system_clock> now = std::chrono::system_clock::now();
// m_vertex_upload_time += std::chrono::duration_cast<std::chrono::microseconds>(now -
//then).count();
return std::make_tuple(vertex_count, std::optional<std::tuple<GLenum, u32>>());
}
std::tuple<u32, std::optional<std::tuple<GLenum, u32>>> operator()(
const rsx::draw_indexed_array_command& command)
{
u32 min_index = 0, max_index = 0;
u32 max_vertex_attrib_size = 0;
rsx::index_array_type type = rsx::method_registers.index_type();
u32 type_size = ::narrow<u32>(get_index_type_size(type));
u32 index_count = get_index_count(rsx::method_registers.current_draw_clause.primitive,
rsx::method_registers.current_draw_clause.get_elements_count());
u32 max_size = index_count * type_size;
auto mapping = m_index_ring_buffer.alloc_and_map(max_size);
void* ptr = mapping.first;
u32 offset_in_index_buffer = mapping.second;
u32 expanded_index_count;
std::tie(min_index, max_index, expanded_index_count) = upload_index_buffer(
command.raw_index_buffer, ptr, type, rsx::method_registers.current_draw_clause.primitive,
rsx::method_registers.current_draw_clause.first_count_commands, index_count);
min_index = 0; // we must keep index to vertex mapping
m_index_ring_buffer.unmap();
upload_vertex_buffers(min_index, max_index, max_vertex_attrib_size, texture_index_offset);
return std::make_tuple(
expanded_index_count, std::make_tuple(get_index_type(type), offset_in_index_buffer));
}
std::tuple<u32, std::optional<std::tuple<GLenum, u32>>> operator()(
const rsx::draw_inlined_array& command)
{
// We need to go through array to determine vertex count so upload it
u32 vertex_count = upload_inline_array(max_vertex_attrib_size, texture_index_offset);
if (!gl::is_primitive_native(rsx::method_registers.current_draw_clause.primitive)) {
u32 offset_in_index_buffer;
u32 index_count;
std::tie(index_count, offset_in_index_buffer) = get_index_array_for_emulated_non_indexed_draw(
rsx::method_registers.current_draw_clause.first_count_commands,
rsx::method_registers.current_draw_clause.primitive, m_index_ring_buffer);
return std::make_tuple(index_count,
std::make_tuple(static_cast<GLenum>(GL_UNSIGNED_SHORT), offset_in_index_buffer));
}
return std::make_tuple(vertex_count, std::optional<std::tuple<GLenum, u32>>());
}
private:
const u32 texture_index_offset =
rsx::limits::fragment_textures_count + rsx::limits::vertex_textures_count;
u32 max_vertex_attrib_size = 0;
gl::ring_buffer& m_index_ring_buffer;
gl::ring_buffer& m_attrib_ring_buffer;
gl::texture* m_gl_attrib_buffers;
gl::glsl::program* m_program;
GLint m_min_texbuffer_alignment;
std::function<attribute_storage(rsx::rsx_state, std::vector<std::pair<u32, u32>>)>
get_vertex_buffers;
void upload_vertex_buffers(u32 min_index, u32 max_index, const u32& max_vertex_attrib_size,
const u32& texture_index_offset)
{
u32 verts_allocated = max_index - min_index + 1;
__glcheck m_attrib_ring_buffer.reserve_and_map(verts_allocated * max_vertex_attrib_size);
// Disable texture then reenable them
// Is it really necessary ?
for (int index = 0; index < rsx::limits::vertex_count; ++index) {
int location;
if (!m_program->uniforms.has_location(s_reg_table[index], &location)) continue;
glActiveTexture(GL_TEXTURE0 + index + texture_index_offset);
glBindTexture(GL_TEXTURE_BUFFER, 0);
glProgramUniform1i(m_program->id(), location, index + texture_index_offset);
continue;
}
vertex_buffer_visitor visitor(verts_allocated, texture_index_offset, m_attrib_ring_buffer,
m_program, m_gl_attrib_buffers, m_min_texbuffer_alignment);
const auto& vertex_buffers =
get_vertex_buffers(rsx::method_registers, {{min_index, verts_allocated}});
for (const auto& vbo : vertex_buffers) std::apply_visitor(visitor, vbo);
m_attrib_ring_buffer.unmap();
}
u32 upload_inline_array(const u32& max_vertex_attrib_size, const u32& texture_index_offset)
{
u32 stride = 0;
u32 offsets[rsx::limits::vertex_count] = {0};
for (u32 i = 0; i < rsx::limits::vertex_count; ++i) {
const auto& info = rsx::method_registers.vertex_arrays_info[i];
if (!info.size()) continue;
offsets[i] = stride;
stride += rsx::get_vertex_type_size_on_host(info.type(), info.size());
}
u32 vertex_draw_count =
(u32)(rsx::method_registers.current_draw_clause.inline_vertex_array.size() * sizeof(u32)) /
stride;
m_attrib_ring_buffer.reserve_and_map(vertex_draw_count * max_vertex_attrib_size);
for (int index = 0; index < rsx::limits::vertex_count; ++index) {
auto& vertex_info = rsx::method_registers.vertex_arrays_info[index];
int location;
if (!m_program->uniforms.has_location(s_reg_table[index], &location)) continue;
if (!vertex_info.size()) // disabled, bind a null sampler
{
glActiveTexture(GL_TEXTURE0 + index + texture_index_offset);
glBindTexture(GL_TEXTURE_BUFFER, 0);
glProgramUniform1i(m_program->id(), location, index + texture_index_offset);
continue;
}
const u32 element_size =
rsx::get_vertex_type_size_on_host(vertex_info.type(), vertex_info.size());
u32 data_size = element_size * vertex_draw_count;
u32 gl_type = to_gl_internal_type(vertex_info.type(), vertex_info.size());
auto& texture = m_gl_attrib_buffers[index];
u8* src =
reinterpret_cast<u8*>(rsx::method_registers.current_draw_clause.inline_vertex_array.data());
auto mapping = m_attrib_ring_buffer.alloc_from_reserve(data_size, m_min_texbuffer_alignment);
u8* dst = static_cast<u8*>(mapping.first);
src += offsets[index];
prepare_buffer_for_writing(dst, vertex_info.type(), vertex_info.size(), vertex_draw_count);
// TODO: properly handle compressed data
for (u32 i = 0; i < vertex_draw_count; ++i) {
if (vertex_info.type() == rsx::vertex_base_type::ub && vertex_info.size() == 4) {
dst[0] = src[3];
dst[1] = src[2];
dst[2] = src[1];
dst[3] = src[0];
}
else
memcpy(dst, src, element_size);
src += stride;
dst += element_size;
}
texture.copy_from(m_attrib_ring_buffer, gl_type, mapping.second, data_size);
// Link texture to uniform
m_program->uniforms.texture(location, index + texture_index_offset, texture);
m_attrib_ring_buffer.unmap();
}
return vertex_draw_count;
}
};
}
std::tuple<u32, std::optional<std::tuple<GLenum, u32>>> GLGSRender::set_vertex_buffer()
{
std::chrono::time_point<std::chrono::system_clock> then = std::chrono::system_clock::now();
return std::apply_visitor(draw_command_visitor(m_index_ring_buffer, m_attrib_ring_buffer,
m_gl_attrib_buffers, m_program, m_min_texbuffer_alignment,
[this](const auto& state, const auto& list) {
return this->get_vertex_buffers(state, list);
}),
get_draw_command(rsx::method_registers));
}
namespace
{
} // End anonymous namespace