rpcsx/rpcs3/Emu/RSX/VK/VKVertexProgram.cpp
kd-11 d22672b156 vk: Disable user clip planes
Use // for comments as requested
2016-06-03 17:07:48 +03:00

306 lines
8.1 KiB
C++

#include "stdafx.h"
#include "Emu/System.h"
#include "VKVertexProgram.h"
#include "VKCommonDecompiler.h"
#include "VKHelpers.h"
std::string VKVertexDecompilerThread::getFloatTypeName(size_t elementCount)
{
return vk::getFloatTypeNameImpl(elementCount);
}
std::string VKVertexDecompilerThread::getIntTypeName(size_t elementCount)
{
return "ivec4";
}
std::string VKVertexDecompilerThread::getFunction(FUNCTION f)
{
return vk::getFunctionImpl(f);
}
std::string VKVertexDecompilerThread::compareFunction(COMPARE f, const std::string &Op0, const std::string &Op1)
{
return vk::compareFunctionImpl(f, Op0, Op1);
}
void VKVertexDecompilerThread::insertHeader(std::stringstream &OS)
{
OS << "#version 450" << std::endl << std::endl;
OS << "#extension GL_ARB_separate_shader_objects : enable" << std::endl;
OS << "layout(std140, set = 0, binding = 0) uniform ScaleOffsetBuffer" << std::endl;
OS << "{" << std::endl;
OS << " mat4 scaleOffsetMat;" << std::endl;
OS << " float fog_param0;\n";
OS << " float fog_param1;\n";
OS << "};" << std::endl;
vk::glsl::program_input in;
in.location = 0;
in.domain = vk::glsl::glsl_vertex_program;
in.name = "ScaleOffsetBuffer";
in.type = vk::glsl::input_type_uniform_buffer;
inputs.push_back(in);
}
void VKVertexDecompilerThread::insertInputs(std::stringstream & OS, const std::vector<ParamType>& inputs)
{
std::vector<std::tuple<size_t, std::string>> input_data;
for (const ParamType &PT : inputs)
{
for (const ParamItem &PI : PT.items)
{
input_data.push_back(std::make_tuple(PI.location, PI.name));
}
}
/**
* Its is important that the locations are in the order that vertex attributes are expected.
* If order is not adhered to, channels may be swapped leading to corruption
*/
std::sort(input_data.begin(), input_data.end());
int location = 2;
for (const std::tuple<size_t, std::string> item : input_data)
{
for (const ParamType &PT : inputs)
{
for (const ParamItem &PI : PT.items)
{
if (PI.name == std::get<1>(item))
{
vk::glsl::program_input in;
in.location = location;
in.domain = vk::glsl::glsl_vertex_program;
in.name = PI.name + "_buffer";
in.type = vk::glsl::input_type_texel_buffer;
this->inputs.push_back(in);
OS << "layout(set = 0, binding=" << 3 + location++ << ")" << " uniform samplerBuffer" << " " << PI.name << "_buffer;" << std::endl;
}
}
}
}
}
void VKVertexDecompilerThread::insertConstants(std::stringstream & OS, const std::vector<ParamType> & constants)
{
OS << "layout(std140, set=0, binding = 1) uniform VertexConstantsBuffer" << std::endl;
OS << "{" << std::endl;
OS << " vec4 vc[468];" << std::endl;
OS << "};" << std::endl;
vk::glsl::program_input in;
in.location = 1;
in.domain = vk::glsl::glsl_vertex_program;
in.name = "VertexConstantsBuffer";
in.type = vk::glsl::input_type_uniform_buffer;
inputs.push_back(in);
}
struct reg_info
{
std::string name;
bool need_declare;
std::string src_reg;
std::string src_reg_mask;
bool need_cast;
};
static const reg_info reg_table[] =
{
{ "gl_Position", false, "dst_reg0", "", false },
{ "diff_color", true, "dst_reg1", "", false },
{ "spec_color", true, "dst_reg2", "", false },
{ "front_diff_color", true, "dst_reg3", "", false },
{ "front_spec_color", true, "dst_reg4", "", false },
{ "fog_c", true, "dst_reg5", ".xxxx", true },
{ "gl_ClipDistance[0]", false, "dst_reg5", ".y", false },
{ "gl_ClipDistance[1]", false, "dst_reg5", ".z", false },
{ "gl_ClipDistance[2]", false, "dst_reg5", ".w", false },
{ "gl_PointSize", false, "dst_reg6", ".x", false },
//Disable user clip planes until they are properly handled
//{ "gl_ClipDistance[3]", false, "dst_reg6", ".y", false },
//{ "gl_ClipDistance[4]", false, "dst_reg6", ".z", false },
//{ "gl_ClipDistance[5]", false, "dst_reg6", ".w", false },
{ "tc0", true, "dst_reg7", "", false },
{ "tc1", true, "dst_reg8", "", false },
{ "tc2", true, "dst_reg9", "", false },
{ "tc3", true, "dst_reg10", "", false },
{ "tc4", true, "dst_reg11", "", false },
{ "tc5", true, "dst_reg12", "", false },
{ "tc6", true, "dst_reg13", "", false },
{ "tc7", true, "dst_reg14", "", false },
{ "tc8", true, "dst_reg15", "", false },
{ "tc9", true, "dst_reg6", "", false } // In this line, dst_reg6 is correct since dst_reg goes from 0 to 15.
};
void VKVertexDecompilerThread::insertOutputs(std::stringstream & OS, const std::vector<ParamType> & outputs)
{
for (auto &i : reg_table)
{
if (m_parr.HasParam(PF_PARAM_NONE, "vec4", i.src_reg) && i.need_declare)
{
const vk::varying_register_t &reg = vk::get_varying_register(i.name);
// if (i.name == "fogc")
// OS << "layout(location=" << reg.reg_location << ") out vec4 fog_c;" << std::endl;
// else
OS << "layout(location=" << reg.reg_location << ") out vec4 " << i.name << ";" << std::endl;
}
}
}
namespace vk
{
void add_input(std::stringstream & OS, const ParamItem &PI, const std::vector<rsx_vertex_input> &inputs)
{
for (const auto &real_input : inputs)
{
if (real_input.location != PI.location)
continue;
if (!real_input.is_array)
{
OS << " vec4 " << PI.name << " = texelFetch(" << PI.name << "_buffer, 0);" << std::endl;
return;
}
if (real_input.frequency > 1)
{
if (real_input.is_modulo)
{
OS << " vec4 " << PI.name << "= texelFetch(" << PI.name << "_buffer, gl_VertexIndex %" << real_input.frequency << ");" << std::endl;
return;
}
OS << " vec4 " << PI.name << "= texelFetch(" << PI.name << "_buffer, gl_VertexIndex /" << real_input.frequency << ");" << std::endl;
return;
}
OS << " vec4 " << PI.name << "= texelFetch(" << PI.name << "_buffer, gl_VertexIndex).rgba;" << std::endl;
return;
}
OS << " vec4 " << PI.name << " = vec4(0., 0., 0., 1.);" << std::endl;
}
}
void VKVertexDecompilerThread::insertMainStart(std::stringstream & OS)
{
vk::insert_glsl_legacy_function(OS);
OS << "void main()" << std::endl;
OS << "{" << std::endl;
// Declare inside main function
for (const ParamType PT : m_parr.params[PF_PARAM_NONE])
{
for (const ParamItem &PI : PT.items)
{
OS << " " << PT.type << " " << PI.name;
if (!PI.value.empty())
OS << " = " << PI.value;
OS << ";" << std::endl;
}
}
for (const ParamType &PT : m_parr.params[PF_PARAM_IN])
{
for (const ParamItem &PI : PT.items)
vk::add_input(OS, PI, rsx_vertex_program.rsx_vertex_inputs);
}
}
void VKVertexDecompilerThread::insertMainEnd(std::stringstream & OS)
{
for (auto &i : reg_table)
{
if (m_parr.HasParam(PF_PARAM_NONE, "vec4", i.src_reg))
OS << " " << i.name << " = " << i.src_reg << i.src_reg_mask << ";" << std::endl;
}
OS << " gl_Position = gl_Position * scaleOffsetMat;" << std::endl;
OS << "}" << std::endl;
}
void VKVertexDecompilerThread::Task()
{
m_shader = Decompile();
vk_prog->SetInputs(inputs);
}
VKVertexProgram::VKVertexProgram()
{
}
VKVertexProgram::~VKVertexProgram()
{
Delete();
}
void VKVertexProgram::Decompile(const RSXVertexProgram& prog)
{
VKVertexDecompilerThread decompiler(prog, shader, parr, *this);
decompiler.Task();
}
void VKVertexProgram::Compile()
{
fs::file(fs::get_config_dir() + "VertexProgram.spirv", fs::rewrite).write(shader);
std::vector<u32> spir_v;
if (!vk::compile_glsl_to_spv(shader, vk::glsl::glsl_vertex_program, spir_v))
throw EXCEPTION("Failed to compile vertex shader");
VkShaderModuleCreateInfo vs_info;
vs_info.codeSize = spir_v.size() * sizeof(u32);
vs_info.pNext = nullptr;
vs_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
vs_info.pCode = (uint32_t*)spir_v.data();
vs_info.flags = 0;
VkDevice dev = (VkDevice)*vk::get_current_renderer();
vkCreateShaderModule(dev, &vs_info, nullptr, &handle);
id = (u32)((u64)handle);
}
void VKVertexProgram::Delete()
{
shader.clear();
if (handle)
{
if (Emu.IsStopped())
{
LOG_WARNING(RSX, "VKVertexProgram::Delete(): vkDestroyShaderModule(0x%X) avoided", handle);
}
else
{
VkDevice dev = (VkDevice)*vk::get_current_renderer();
vkDestroyShaderModule(dev, handle, nullptr);
}
handle = nullptr;
}
}
void VKVertexProgram::SetInputs(std::vector<vk::glsl::program_input>& inputs)
{
for (auto &it : inputs)
{
uniforms.push_back(it);
}
}