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Implement Arrays on Tex Instruction

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This commit is contained in:
FernandoS27 2018-10-13 18:10:43 -04:00
parent 1584fb6b38
commit 1d6559fbd3
1 changed files with 55 additions and 14 deletions
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69
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -2038,9 +2038,9 @@ private:
break; break;
} }
case OpCode::Id::TEX: { case OpCode::Id::TEX: {
ASSERT_MSG(instr.tex.array == 0, "TEX arrays unimplemented");
Tegra::Shader::TextureType texture_type{instr.tex.texture_type}; Tegra::Shader::TextureType texture_type{instr.tex.texture_type};
std::string coord; std::string coord;
const bool is_array = instr.tex.array != 0;
ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP), ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
"NODEP is not implemented"); "NODEP is not implemented");
@ -2055,21 +2055,59 @@ private:
switch (num_coordinates) { switch (num_coordinates) {
case 1: { case 1: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8); if (is_array) {
coord = "float coords = " + x + ';'; const std::string index = regs.GetRegisterAsInteger(instr.gpr8);
const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
coord = "vec2 coords = vec2(" + x + ", " + index + ");";
} else {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
coord = "float coords = " + x + ';';
}
break; break;
} }
case 2: { case 2: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8); if (is_array) {
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); const std::string index = regs.GetRegisterAsInteger(instr.gpr8);
coord = "vec2 coords = vec2(" + x + ", " + y + ");"; const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2);
coord = "vec3 coords = vec3(" + x + ", " + y + ", " + index + ");";
} else {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
coord = "vec2 coords = vec2(" + x + ", " + y + ");";
}
break; break;
} }
case 3: { case 3: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8); if (depth_compare) {
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); if (is_array) {
const std::string z = regs.GetRegisterAsFloat(instr.gpr20); const std::string index = regs.GetRegisterAsInteger(instr.gpr8);
coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const std::string y = regs.GetRegisterAsFloat(instr.gpr20);
const std::string z = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1);
coord = "vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + index +
");";
} else {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const std::string z = regs.GetRegisterAsFloat(instr.gpr20);
coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");";
}
} else {
if (is_array) {
const std::string index = regs.GetRegisterAsInteger(instr.gpr8);
const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2);
const std::string z = regs.GetRegisterAsFloat(instr.gpr8.Value() + 3);
coord = "vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + index +
");";
} else {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const std::string z = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2);
coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");";
}
}
break; break;
} }
default: default:
@ -2088,7 +2126,7 @@ private:
std::string op_c; std::string op_c;
const std::string sampler = const std::string sampler =
GetSampler(instr.sampler, texture_type, false, depth_compare); GetSampler(instr.sampler, texture_type, is_array, depth_compare);
// Add an extra scope and declare the texture coords inside to prevent // Add an extra scope and declare the texture coords inside to prevent
// overwriting them in case they are used as outputs of the texs instruction. // overwriting them in case they are used as outputs of the texs instruction.
@ -2108,10 +2146,13 @@ private:
} }
case Tegra::Shader::TextureProcessMode::LB: case Tegra::Shader::TextureProcessMode::LB:
case Tegra::Shader::TextureProcessMode::LBA: { case Tegra::Shader::TextureProcessMode::LBA: {
if (num_coordinates <= 2) { if (depth_compare) {
op_c = regs.GetRegisterAsFloat(instr.gpr20); if (is_array)
op_c = regs.GetRegisterAsFloat(instr.gpr20.Value() + 2);
else
op_c = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1);
} else { } else {
op_c = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); op_c = regs.GetRegisterAsFloat(instr.gpr20);
} }
// TODO: Figure if A suffix changes the equation at all. // TODO: Figure if A suffix changes the equation at all.
texture = "texture(" + sampler + ", coords, " + op_c + ')'; texture = "texture(" + sampler + ", coords, " + op_c + ')';