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Add conditional expression/statement support for shaders

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This commit is contained in:
Jérôme Leclercq
2020-11-19 13:56:54 +01:00
parent ad88561245
commit 960817a1f1
45 changed files with 996 additions and 56 deletions
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6
include/Nazara/Shader/GlslWriter.hpp
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@@ -16,7 +16,6 @@
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
namespace Nz
{
@@ -31,7 +30,7 @@ namespace Nz
GlslWriter(GlslWriter&&) = delete;
~GlslWriter() = default;
std::string Generate(const ShaderAst& shader) override;
std::string Generate(const ShaderAst& shader, const States& conditions = {});
void SetEnv(Environment environment);
@@ -70,6 +69,8 @@ namespace Nz
void Visit(ShaderNodes::BinaryOp& node) override;
void Visit(ShaderNodes::BuiltinVariable& var) override;
void Visit(ShaderNodes::Cast& node) override;
void Visit(ShaderNodes::ConditionalExpression& node) override;
void Visit(ShaderNodes::ConditionalStatement& node) override;
void Visit(ShaderNodes::Constant& node) override;
void Visit(ShaderNodes::DeclareVariable& node) override;
void Visit(ShaderNodes::ExpressionStatement& node) override;
@@ -91,6 +92,7 @@ namespace Nz
{
const ShaderAst* shader = nullptr;
const ShaderAst::Function* currentFunction = nullptr;
const States* states = nullptr;
};
struct State