C4ScriptShader Class Reference

#include <C4Shader.h>

Public Types
enum	ShaderType { VertexShader , FragmentShader }

Public Member Functions
int	Add (const std::string &shaderName, ShaderType type, const std::string &source)
bool	Remove (int id)

Protected Member Functions
std::set< int >	GetShaderIDs (const std::vector< std::string > &cats)

Friends
class	C4Shader
class	C4ShaderCall

Detailed Description

Definition at line 376 of file C4Shader.h.

Member Enumeration Documentation

ShaderType

enum C4ScriptShader::ShaderType

Enumerator
VertexShader
FragmentShader

Definition at line 382 of file C4Shader.h.

    {
        VertexShader, // Note: Reloading is currently only implemented for fragment shaders.
        FragmentShader,
    };

Member Function Documentation

Add()

int C4ScriptShader::Add	(	const std::string &	shaderName,
		ShaderType	type,
		const std::string &	source
	)

Definition at line 730 of file C4Shader.cpp.

{
    int id = NextID++;
    LastUpdate = C4TimeMilliseconds::Now().AsInt();
    // Hack: Always prepend a newline as the slice parser doesn't recognize
    // slices that don't begin with a newline.
    auto nsource = "\n" + source;
    shaders.emplace(std::make_pair(id, ShaderInstance{type, nsource}));
    categories[shaderName].emplace(id);
    return id;
}

References C4TimeMilliseconds::AsInt(), and C4TimeMilliseconds::Now().

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GetShaderIDs()

std::set< int > C4ScriptShader::GetShaderIDs ( const std::vector< std::string > &  cats )

protected

Definition at line 721 of file C4Shader.cpp.

{
    std::set<int> result;
    for (auto& cat : cats)
        for (auto& id : categories[cat])
            result.emplace(id);
    return result;
}

Referenced by C4Shader::Refresh().

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Remove()

bool C4ScriptShader::Remove

(

int

id

)

Definition at line 742 of file C4Shader.cpp.

{
    // We have to perform a rather inefficient full search. We'll have to see
    // whether this turns out to be a performance issue.
    if (shaders.erase(id))
    {
        for (auto& kv : categories)
            if (kv.second.erase(id))
                break; // each id can appear in one category only
        LastUpdate = C4TimeMilliseconds::Now().AsInt();
        return true;
    }
    return false;
}

References C4TimeMilliseconds::AsInt(), and C4TimeMilliseconds::Now().

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Friends And Related Function Documentation

C4Shader

friend class C4Shader

friend

Definition at line 378 of file C4Shader.h.

C4ShaderCall

friend class C4ShaderCall

friend

Definition at line 379 of file C4Shader.h.

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The documentation for this class was generated from the following files:

• C4Shader.h
• C4Shader.cpp