bool RenderTextureOpenGL::create(const Vector2& size, RenderTextureFormat format, int depth)
{
if (!createRenderbuffer(size, depth))
return false;
if (!createTexture(size, format))
return false;
glBindFramebuffer(GL_FRAMEBUFFER, mFramebuffer);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, getTextureId(), 0);
if (mDepth > 0)
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepthBuffer);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if(status != GL_FRAMEBUFFER_COMPLETE)
{
//TODO: Error log;
return false;
}
mSize = size;
glBindFramebuffer(GL_FRAMEBUFFER, 0);
return true;
}
void init()
{
offsetX = gfx::width / 2.0f;
offsetY = gfx::height / 2.0f;
initVGExp();
//addDistanceTransformCubic(controlPts, rcubic);
addCubic(controlPts, rcubic, rtri);
glm::vec3 cpt[3] =
{
glm::vec3(-20, 0, 1),
glm::vec3(0, 20, 1),
glm::vec3(20, 5, 1)
};
//addAATriangle(cpt, rcubic);
//testRCubic();
tessellateCubic();
Array<glm::vec2> cp;
cp.assign(controlPts2, controlPts2+4);
addCubic(mRasterCubic, mTri, cp);
glClearStencil(0x80);
colorRB = createRenderbuffer(GL_RGBA8, 8, 800, 600);
depthRB = createRenderbuffer(GL_DEPTH24_STENCIL8, 8, 800, 600);
fbo = createFramebuffer(colorRB, depthRB);
glm::vec2 cps[8] = {
glm::vec2(-20.0f, 0.0f),
glm::vec2( 30.0f, 40.0f),
glm::vec2(-30.0f, 40.0f),
glm::vec2( 20.0f, 0.0f),
};
const size_t maxIndices = 100 * 9;
const size_t maxVertices = 100 * 5;
const size_t maxB3Vertices = 100 * 10;
vg::geometry_t geomPath = {
(uint16_t*)core::thread_stack_alloc(sizeof(uint16_t)*maxIndices),
(vf::p2_vertex_t*)core::thread_stack_alloc(sizeof(vf::p2_vertex_t)*maxVertices),
(vf::p2uv3_vertex_t*)core::thread_stack_alloc(sizeof(vf::p2uv3_vertex_t)*maxB3Vertices),
0, 0, 0
};
vg::geometry_t geomPathOff = {
(uint16_t*)core::thread_stack_alloc(sizeof(uint16_t)*maxIndices),
(vf::p2_vertex_t*)core::thread_stack_alloc(sizeof(vf::p2_vertex_t)*maxVertices),
(vf::p2uv3_vertex_t*)core::thread_stack_alloc(sizeof(vf::p2uv3_vertex_t)*maxB3Vertices),
0, 0, 0
};
uint16_t prevIdx, curIdx;
uint16_t prevIdx2, curIdx2;
prevIdx = 0;
curIdx = vg::geomAddVertex(&geomPath, *(ml::vec2*)&cps[0]);
prevIdx2 = vg::geomAddVertex(&geomPathOff, *(ml::vec2*)&cps[0]);
curIdx2 = vg::geomAddVertex(&geomPathOff, *(ml::vec2*)&cps[3]);
meshAddBezier3 (&geomPath, prevIdx, curIdx, cps[0], cps[1], cps[2], cps[3]);
meshStrokeBezier3(&geomPathOff, prevIdx2, curIdx2, cps[0], cps[1], cps[2], cps[3]);
testPath = vg::geomToPath(&geomPath);
testPathOff = vg::geomToPath(&geomPathOff);
core::thread_stack_reset(geomPath.indices);
}
/*!
\internal
*/
QCLImage2D QCLContextGL::createRenderbuffer
(QMacCompatGLuint renderbuffer, QCLMemoryObject::Access access)
{
return createRenderbuffer(GLuint(renderbuffer), access);
}
