blob: 6f31ec54ac0e441abb142a22a00d0ff69c4b2535 [file] [log] [blame]
/*
* Copyright 2015 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "glimp/gles/shader.h"
#include "starboard/string.h"
namespace glimp {
namespace gles {
Shader::Shader(nb::scoped_ptr<ShaderImpl> impl, GLenum type)
: impl_(impl.Pass()), type_(type), compile_results_(false) {}
void Shader::ShaderSource(GLsizei count,
const GLchar* const* string,
const GLint* length) {
source_.clear();
// Concatenate the input strings into one long string.
for (size_t i = 0; i < count; ++i) {
if (!length) {
// If length is NULL, all strings are assumed to be null-terminated.
source_.append(string[i]);
} else {
source_.append(string[i], length[i]);
}
}
}
void Shader::CompileShader() {
compile_results_ = impl_->Compile(source_);
}
GLenum Shader::GetShaderiv(GLenum pname, GLint* params) {
switch (pname) {
case GL_COMPILE_STATUS:
*params = compile_results_.success ? 1 : 0;
break;
case GL_SHADER_SOURCE_LENGTH:
*params = source_.size();
break;
case GL_SHADER_TYPE:
*params = type_;
break;
case GL_INFO_LOG_LENGTH:
*params = compile_results_.info_log.size();
break;
case GL_DELETE_STATUS:
SB_NOTIMPLEMENTED();
break;
default:
return GL_INVALID_ENUM;
}
return GL_NO_ERROR;
}
void Shader::GetShaderInfoLog(GLsizei bufsize,
GLsizei* length,
GLchar* infolog) {
*length = SbStringCopy(infolog, compile_results_.info_log.c_str(), bufsize);
}
} // namespace gles
} // namespace glimp