void Shader::setUniformArray(const std::string& name, const Glsl::Mat4* matrixArray, std::size_t length)
{
const std::size_t matrixSize = 4 * 4;
std::vector<float> contiguous(matrixSize * length);
for (std::size_t i = 0; i < length; ++i)
priv::copyMatrix(matrixArray[i].array, matrixSize, &contiguous[matrixSize * i]);
UniformBinder binder(*this, name);
if (binder.location != -1)
glCheck(GLEXT_glUniformMatrix4fv(binder.location, length, GL_FALSE, &contiguous[0]));
}
void Shader::setParameter(const std::string& name, const Transform& transform)
{
if (m_shaderProgram)
{
ensureGlContext();
// Enable program
GLEXT_GLhandle program;
glCheck(program = GLEXT_glGetHandle(GLEXT_GL_PROGRAM_OBJECT));
glCheck(GLEXT_glUseProgramObject(castToGlHandle(m_shaderProgram)));
// Get parameter location and assign it new values
GLint location = getParamLocation(name);
if (location != -1)
{
glCheck(GLEXT_glUniformMatrix4fv(location, 1, GL_FALSE, transform.getMatrix()));
}
// Disable program
glCheck(GLEXT_glUseProgramObject(program));
}
}
void Shader::setUniform(const std::string& name, const Glsl::Mat4& matrix)
{
UniformBinder binder(*this, name);
if (binder.location != -1)
glCheck(GLEXT_glUniformMatrix4fv(binder.location, 1, GL_FALSE, matrix.array));
}
