private static void AppendFragmentMainFunction(List <TextureRenderInfo> textures, StringBuilder shaderSource,
string uv0, string normal)
{
GlslUtils.AppendBeginMain(shaderSource);
AppendMainFunctionBody(textures, shaderSource, uv0, normal);
GlslUtils.AppendEndMain(shaderSource);
}
private static void AppendVertexMainFunction(List <VertexAttributeRenderInfo> attributes, StringBuilder shaderSource)
{
GlslUtils.AppendBeginMain(shaderSource);
GlslUtils.AppendVertexOutputAssignments(attributes, shaderSource);
GlslUtils.AppendPositionAssignment(shaderSource, attributes);
GlslUtils.AppendEndMain(shaderSource);
}
private static void AppendVertexShader(List <VertexAttributeRenderInfo> attributes, StringBuilder shaderSource)
{
GlslUtils.AppendShadingLanguageVersion(shaderSource);
GlslUtils.AppendVertexInputs(attributes, shaderSource);
GlslUtils.AppendVertexOutputs(attributes, shaderSource);
GlslUtils.AppendMatrixUniform(shaderSource);
AppendVertexMainFunction(attributes, shaderSource);
}
private static void AppendFragmentShader(List <VertexAttributeRenderInfo> attributes, StringBuilder shaderSource)
{
GlslUtils.AppendShadingLanguageVersion(shaderSource);
GlslUtils.AppendFragmentInputs(attributes, shaderSource);
GlslUtils.AppendFragmentOutput(shaderSource);
shaderSource.AppendLine($"uniform int {attribIndexName};");
AppendFragmentMainFunction(attributes, shaderSource);
}
/// <summary>
/// Generates a shader for rendering each of the vertex attributes individually.
/// </summary>
/// <param name="attributes">Attributes used to generate render modes</param>
/// <param name="vertexSource">The generated GLSL vertex shader source</param>
/// <param name="fragmentSource">The generated GLSL fragment shader source</param>
public void CreateShader(IEnumerable <ShaderAttribute> attributes, out string vertexSource, out string fragmentSource)
{
// TODO: Use an enum for the uniform type.
var uniforms = new List <ShaderUniform>
{
new ShaderUniform(MvpMatrixName, UniformType.Mat4)
};
vertexSource = GlslUtils.CreateVertexShaderSource(attributes, uniforms, GlslVersionMajor, GlslVersionMinor, MvpMatrixName);
fragmentSource = GlslUtils.CreateFragmentShaderSource(attributes, uniforms, GlslVersionMajor, GlslVersionMinor, AttribIndexName);
}
private static void AppendFragmentShader(List <TextureRenderInfo> textures,
List <VertexAttributeRenderInfo> attributes, StringBuilder shaderSource,
string uv0, string normal)
{
GlslUtils.AppendShadingLanguageVersion(shaderSource);
GlslUtils.AppendFragmentInputs(attributes, shaderSource);
AppendViewNormalInput(shaderSource);
GlslUtils.AppendFragmentOutput(shaderSource);
AppendTextureUniforms(textures, shaderSource);
GlslUtils.AppendMatrixUniform(shaderSource);
shaderSource.AppendLine($"uniform int {attribIndexName};");
AppendFragmentMainFunction(textures, shaderSource, uv0, normal);
}
private static void AppendFragmentMainFunction(List <VertexAttributeRenderInfo> attributes, StringBuilder shaderSource)
{
GlslUtils.AppendBeginMain(shaderSource);
AppendMainFunctionBody(attributes, shaderSource);
GlslUtils.AppendEndMain(shaderSource);
}
