void RenderContextGL2::layout(float width, float height, bool flipY)
{
m_width = width;
m_height = height;
LOG("layout with widthInPixels=%f, heightInPixels=%f", m_width, m_height)
glViewport(0, 0, width, height);
if( flipY ){
applyOrtho(0, width, height, 0);
}else{
applyOrtho(0, width, 0, height);
}
switchToProgram(TEXTURE_PROGRAM);
}
RenderContextGL2::RenderContextGL2()
: m_width(100),m_height(100)
{
m_programs[TEXTURE_PROGRAM] = buildTexProgram();
m_programs[FILLRECT_PROGRAM] = buildFillProgram();
applyOrtho(0, m_width, 0, m_height);
m_matrixStackIndex = 0;
esLoadIdentity(&m_matrixStack[0]);
esMatrixCopy(&m_tsrMatrix, &m_matrixStack[0]);
m_alphaStack[0] = 1.0;
switchToProgram(TEXTURE_PROGRAM);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
void GL2Renderer::initialize(int width, int height)
{
// create the framebuffer object and attach the color buffer
glGenFramebuffers(1, &m_framebuffer);
glBindFramebuffer(GL_FRAMEBUFFER, m_framebuffer);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, m_renderbuffer);
glViewport(0, 0, width, height);
// The strings are included with that trick - remember?
m_simpleProgram = buildProgram(SimpleVertexShader, SimpleFragmentShader);
glUseProgram(m_simpleProgram);
// Initialise the projection matrix
const float maxX = 2;
const float maxY = 3;
applyOrtho(maxX, maxY);
};
void RenderingEngine::init(int width, int height) {
glClearColor(0.0f, 0.0f, 0.0f, 1);
// Create the framebuffer object and attach the color buffer.
glGenFramebuffers(1, &m_framebuffer);
glBindFramebuffer(GL_FRAMEBUFFER, m_framebuffer);
glFramebufferRenderbuffer(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_RENDERBUFFER,
m_renderbuffer);
glViewport(0, 0, width, height);
m_simpleProgram = shader::BuildProgram(SimpleVertexShader, SimpleFragmentShader);
glUseProgram(m_simpleProgram);
// init the projection matrix.
applyOrtho(width, height);
Game::getInstance().init(width, height);
}
