mirror of
https://github.com/RPCS3/rpcs3.git
synced 2025-07-11 09:18:40 +12:00
321 lines
9 KiB
C++
321 lines
9 KiB
C++
#include "stdafx.h"
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#include "Emu/Memory/Memory.h"
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#include "Emu/System.h"
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#include "VKFragmentProgram.h"
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#include "VKCommonDecompiler.h"
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#include "VKHelpers.h"
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#include "../GCM.h"
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std::string VKFragmentDecompilerThread::getFloatTypeName(size_t elementCount)
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{
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return vk::getFloatTypeNameImpl(elementCount);
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}
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std::string VKFragmentDecompilerThread::getFunction(FUNCTION f)
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{
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return vk::getFunctionImpl(f);
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}
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std::string VKFragmentDecompilerThread::saturate(const std::string & code)
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{
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return "clamp(" + code + ", 0., 1.)";
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}
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std::string VKFragmentDecompilerThread::compareFunction(COMPARE f, const std::string &Op0, const std::string &Op1)
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{
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return vk::compareFunctionImpl(f, Op0, Op1);
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}
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void VKFragmentDecompilerThread::insertHeader(std::stringstream & OS)
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{
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OS << "#version 420" << std::endl;
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OS << "#extension GL_ARB_separate_shader_objects: enable" << std::endl << std::endl;
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OS << "layout(std140, set=0, binding = 0) uniform ScaleOffsetBuffer" << std::endl;
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OS << "{" << std::endl;
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OS << " mat4 scaleOffsetMat;" << std::endl;
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OS << " float fog_param0;" << std::endl;
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OS << " float fog_param1;" << std::endl;
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OS << "};" << std::endl << std::endl;
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vk::glsl::program_input in;
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in.location = 0;
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in.domain = vk::glsl::glsl_fragment_program;
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in.name = "ScaleOffsetBuffer";
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in.type = vk::glsl::input_type_uniform_buffer;
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inputs.push_back(in);
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}
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void VKFragmentDecompilerThread::insertIntputs(std::stringstream & OS)
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{
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for (const ParamType& PT : m_parr.params[PF_PARAM_IN])
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{
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for (const ParamItem& PI : PT.items)
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{
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const vk::varying_register_t ® = vk::get_varying_register(PI.name);
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std::string var_name = PI.name;
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if (var_name == "fogc")
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var_name = "fog_c";
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OS << "layout(location=" << reg.reg_location << ") in " << PT.type << " " << var_name << ";" << std::endl;
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}
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}
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}
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void VKFragmentDecompilerThread::insertOutputs(std::stringstream & OS)
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{
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const std::pair<std::string, std::string> table[] =
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{
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{ "ocol0", m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS ? "r0" : "h0" },
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{ "ocol1", m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS ? "r2" : "h4" },
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{ "ocol2", m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS ? "r3" : "h6" },
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{ "ocol3", m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS ? "r4" : "h8" },
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};
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for (int i = 0; i < sizeof(table) / sizeof(*table); ++i)
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{
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if (m_parr.HasParam(PF_PARAM_NONE, "vec4", table[i].second))
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OS << "layout(location=" << i << ") " << "out vec4 " << table[i].first << ";" << std::endl;
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}
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}
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void VKFragmentDecompilerThread::insertConstants(std::stringstream & OS)
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{
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int location = 2;
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for (const ParamType& PT : m_parr.params[PF_PARAM_UNIFORM])
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{
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if (PT.type != "sampler1D" &&
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PT.type != "sampler2D" &&
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PT.type != "sampler3D" &&
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PT.type != "samplerCube")
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continue;
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for (const ParamItem& PI : PT.items)
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{
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std::string samplerType = PT.type;
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int index = atoi(&PI.name.data()[3]);
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if (m_prog.unnormalized_coords & (1 << index))
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samplerType = "sampler2DRect";
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vk::glsl::program_input in;
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in.location = location;
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in.domain = vk::glsl::glsl_fragment_program;
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in.name = PI.name;
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in.type = vk::glsl::input_type_texture;
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inputs.push_back(in);
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OS << "layout(set=0, binding=" << 19 + location++ << ") uniform " << samplerType << " " << PI.name << ";" << std::endl;
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}
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}
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OS << "layout(std140, set = 0, binding = 2) uniform FragmentConstantsBuffer" << std::endl;
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OS << "{" << std::endl;
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for (const ParamType& PT : m_parr.params[PF_PARAM_UNIFORM])
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{
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if (PT.type == "sampler1D" ||
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PT.type == "sampler2D" ||
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PT.type == "sampler3D" ||
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PT.type == "samplerCube")
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continue;
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for (const ParamItem& PI : PT.items)
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OS << " " << PT.type << " " << PI.name << ";" << std::endl;
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}
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// A dummy value otherwise it's invalid to create an empty uniform buffer
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OS << " vec4 void_value;" << std::endl;
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OS << "};" << std::endl;
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vk::glsl::program_input in;
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in.location = 1;
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in.domain = vk::glsl::glsl_fragment_program;
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in.name = "FragmentConstantsBuffer";
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in.type = vk::glsl::input_type_uniform_buffer;
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inputs.push_back(in);
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}
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namespace vk
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{
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// Note: It's not clear whether fog is computed per pixel or per vertex.
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// But it makes more sense to compute exp of interpoled value than to interpolate exp values.
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void insert_fog_declaration(std::stringstream & OS, rsx::fog_mode mode)
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{
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switch (mode)
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{
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case rsx::fog_mode::linear:
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OS << " vec4 fogc = vec4(fog_param1 * fog_c.x + (fog_param0 - 1.), fog_param1 * fog_c.x + (fog_param0 - 1.), 0., 0.);\n";
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return;
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case rsx::fog_mode::exponential:
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OS << " vec4 fogc = vec4(11.084 * (fog_param1 * fog_c.x + fog_param0 - 1.5), exp(11.084 * (fog_param1 * fog_c.x + fog_param0 - 1.5)), 0., 0.);\n";
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return;
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case rsx::fog_mode::exponential2:
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OS << " vec4 fogc = vec4(4.709 * (fog_param1 * fog_c.x + fog_param0 - 1.5), exp(-pow(4.709 * (fog_param1 * fog_c.x + fog_param0 - 1.5)), 2.), 0., 0.);\n";
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return;
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case rsx::fog_mode::linear_abs:
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OS << " vec4 fogc = vec4(fog_param1 * abs(fog_c.x) + (fog_param0 - 1.), fog_param1 * abs(fog_c.x) + (fog_param0 - 1.), 0., 0.);\n";
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return;
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case rsx::fog_mode::exponential_abs:
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OS << " vec4 fogc = vec4(11.084 * (fog_param1 * abs(fog_c.x) + fog_param0 - 1.5), exp(11.084 * (fog_param1 * abs(fog_c.x) + fog_param0 - 1.5)), 0., 0.);\n";
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return;
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case rsx::fog_mode::exponential2_abs:
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OS << " vec4 fogc = vec4(4.709 * (fog_param1 * abs(fog_c.x) + fog_param0 - 1.5), exp(-pow(4.709 * (fog_param1 * abs(fog_c.x) + fog_param0 - 1.5)), 2.), 0., 0.);\n";
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return;
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}
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}
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}
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void VKFragmentDecompilerThread::insertMainStart(std::stringstream & OS)
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{
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vk::insert_glsl_legacy_function(OS);
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OS << "void main ()" << std::endl;
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OS << "{" << std::endl;
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for (const ParamType& PT : m_parr.params[PF_PARAM_NONE])
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{
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for (const ParamItem& PI : PT.items)
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{
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OS << " " << PT.type << " " << PI.name;
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if (!PI.value.empty())
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OS << " = " << PI.value;
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OS << ";" << std::endl;
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}
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}
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OS << " vec4 ssa = gl_FrontFacing ? vec4(1.) : vec4(-1.);\n";
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// search if there is fogc in inputs
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for (const ParamType& PT : m_parr.params[PF_PARAM_IN])
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{
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for (const ParamItem& PI : PT.items)
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{
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if (PI.name == "fogc")
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{
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vk::insert_fog_declaration(OS, m_prog.fog_equation);
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return;
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}
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}
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}
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}
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void VKFragmentDecompilerThread::insertMainEnd(std::stringstream & OS)
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{
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const std::pair<std::string, std::string> table[] =
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{
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{ "ocol0", m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS ? "r0" : "h0" },
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{ "ocol1", m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS ? "r2" : "h4" },
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{ "ocol2", m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS ? "r3" : "h6" },
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{ "ocol3", m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS ? "r4" : "h8" },
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};
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for (int i = 0; i < sizeof(table) / sizeof(*table); ++i)
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{
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if (m_parr.HasParam(PF_PARAM_NONE, "vec4", table[i].second))
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OS << " " << table[i].first << " = " << table[i].second << ";" << std::endl;
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}
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if (m_ctrl & CELL_GCM_SHADER_CONTROL_DEPTH_EXPORT)
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{
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{
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/** Note: Naruto Shippuden : Ultimate Ninja Storm 2 sets CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS in a shader
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* but it writes depth in r1.z and not h2.z.
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* Maybe there's a different flag for depth ?
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*/
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//OS << ((m_ctrl & CELL_GCM_SHADER_CONTROL_32_BITS_EXPORTS) ? "\tgl_FragDepth = r1.z;\n" : "\tgl_FragDepth = h0.z;\n") << std::endl;
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OS << " gl_FragDepth = r1.z;\n";
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}
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}
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OS << "}" << std::endl;
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}
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void VKFragmentDecompilerThread::Task()
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{
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m_shader = Decompile();
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vk_prog->SetInputs(inputs);
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}
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VKFragmentProgram::VKFragmentProgram()
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{
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}
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VKFragmentProgram::~VKFragmentProgram()
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{
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Delete();
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}
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void VKFragmentProgram::Decompile(const RSXFragmentProgram& prog)
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{
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u32 size;
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VKFragmentDecompilerThread decompiler(shader, parr, prog, size, *this);
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decompiler.Task();
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for (const ParamType& PT : decompiler.m_parr.params[PF_PARAM_UNIFORM])
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{
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for (const ParamItem& PI : PT.items)
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{
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if (PT.type == "sampler2D")
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continue;
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size_t offset = atoi(PI.name.c_str() + 2);
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FragmentConstantOffsetCache.push_back(offset);
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}
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}
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}
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void VKFragmentProgram::Compile()
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{
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fs::file(fs::get_config_dir() + "FragmentProgram.frag", fom::rewrite).write(shader);
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std::vector<u32> spir_v;
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if (!vk::compile_glsl_to_spv(shader, vk::glsl::glsl_fragment_program, spir_v))
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throw EXCEPTION("Failed to compile fragment shader");
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//Create the object and compile
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VkShaderModuleCreateInfo fs_info;
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fs_info.codeSize = spir_v.size() * sizeof(u32);
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fs_info.pNext = nullptr;
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fs_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
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fs_info.pCode = (uint32_t*)spir_v.data();
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fs_info.flags = 0;
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VkDevice dev = (VkDevice)*vk::get_current_renderer();
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vkCreateShaderModule(dev, &fs_info, nullptr, &handle);
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id = (u32)((u64)handle);
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}
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void VKFragmentProgram::Delete()
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{
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shader.clear();
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if (handle)
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{
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if (Emu.IsStopped())
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{
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LOG_WARNING(RSX, "VKFragmentProgram::Delete(): vkDestroyShaderModule(0x%X) avoided", handle);
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}
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else
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{
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VkDevice dev = (VkDevice)*vk::get_current_renderer();
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vkDestroyShaderModule(dev, handle, NULL);
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handle = nullptr;
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}
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}
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}
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void VKFragmentProgram::SetInputs(std::vector<vk::glsl::program_input>& inputs)
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{
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for (auto &it : inputs)
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{
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uniforms.push_back(it);
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}
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}
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