static bool
test_vertex_attrib_format()
{
bool pass = true;
/* "The error INVALID_OPERATION is generated by VertexAttribFormat, ...
* if <type> is UNSIGNED_INT_10F_11F_11F_REV and <size> is not 3."
*/
glVertexAttribFormat(0, 3, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FALSE, 0);
TEST("VertexAttribFormat-ok", GL_NO_ERROR);
glVertexAttribFormat(0, 2, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FALSE, 0);
TEST("VertexAttribFormat-badsize", GL_INVALID_OPERATION);
glVertexAttribFormat(0, GL_BGRA, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FALSE, 0);
TEST("VertexAttribFormat-badsize-bgra", GL_INVALID_OPERATION);
/* "The error INVALID_ENUM is generated by VertexAttribIFormat,
* VertexAttribLFormat, ...
* if <type> is UNSIGNED_INT_10F_11F_11F_REV."
*/
glVertexAttribIFormat(0, 3, GL_UNSIGNED_INT_10F_11F_11F_REV, 0);
TEST("VertexAttribIFormat-not-allowed", GL_INVALID_ENUM);
glVertexAttribLFormat(0, 3, GL_UNSIGNED_INT_10F_11F_11F_REV, 0);
TEST("VertexAttribLFormat-not-allowed", GL_INVALID_ENUM);
return pass;
}
void CadScene::enableVertexFormat(int attrPos, int attrNormal)
{
glVertexAttribFormat(attrPos, 3,GL_FLOAT,GL_FALSE,0);
glVertexAttribFormat(attrNormal, 3,GL_FLOAT,GL_FALSE,offsetof(CadScene::Vertex,normal));
glVertexAttribBinding(attrPos,0);
glVertexAttribBinding(attrNormal,0);
glEnableVertexAttribArray(attrPos);
glEnableVertexAttribArray(attrNormal);
glBindVertexBuffer(0,0,0,sizeof(CadScene::Vertex));
}
bool initVertexArray()
{
glGenVertexArrays(1, &VertexArrayName);
glBindVertexArray(VertexArrayName);
glVertexAttribFormat(glf::semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(glf::semantic::attr::POSITION, glf::semantic::buffer::STATIC);
glEnableVertexAttribArray(glf::semantic::attr::POSITION);
glVertexAttribFormat(glf::semantic::attr::TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(glm::vec2));
glVertexAttribBinding(glf::semantic::attr::TEXCOORD, glf::semantic::buffer::STATIC);
glEnableVertexAttribArray(glf::semantic::attr::TEXCOORD);
glBindVertexArray(0);
return glf::checkError("initVertexArray");
}
inline void vertex_attrib_format(uint32 attrib_index, uint32 element_count, uint32 type,
bool normalize, uint32 offset)
{
ARC_GL_CLEAR_ERRORS();
glVertexAttribFormat(attrib_index,element_count,type,normalize,offset);
ARC_GL_CHECK_FOR_ERRORS();
}
void GLVertexArrayObject::setAttributeFormat( GLuint attributeIndex,
GLint nComponents, GLVertexAttributeType type, bool normalized,
GLuint relativeOffsetBytes )
{
glVertexAttribFormat( attributeIndex, nComponents,
glVertexAttributeType( type ), normalized, relativeOffsetBytes );
}
void opengl_bind_vertex_array(const vertex_layout& layout) {
auto iter = Stored_vertex_arrays.find(layout);
if (iter != Stored_vertex_arrays.end()) {
// Found existing vertex array!
GL_state.BindVertexArray(iter->second);
return;
}
GR_DEBUG_SCOPE("Create Vertex array");
GLuint vao;
glGenVertexArrays(1, &vao);
GL_state.BindVertexArray(vao);
for (size_t i = 0; i < layout.get_num_vertex_components(); ++i) {
auto component = layout.get_vertex_component(i);
auto& bind_info = GL_array_binding_data[component->format_type];
auto& attrib_info = GL_vertex_attrib_info[bind_info.attribute_id];
auto attribIndex = attrib_info.attribute_id;
glEnableVertexAttribArray(attribIndex);
glVertexAttribFormat(attribIndex,
bind_info.size,
bind_info.data_type,
bind_info.normalized,
static_cast<GLuint>(component->offset));
// Currently, all vertex data comes from one buffer.
glVertexAttribBinding(attribIndex, 0);
}
Stored_vertex_arrays.insert(std::make_pair(layout, vao));
}
void TopazSample::drawModel(GLenum mode, NvGLSLProgram& program, TopazGLModel& model)
{
glVertexAttribFormat(VERTEX_POS, 3, GL_FLOAT, GL_FALSE, model.getModel()->getCompiledPositionOffset());
glVertexAttribBinding(VERTEX_POS, 0);
glEnableVertexAttribArray(VERTEX_POS);
program.enable();
program.bindTextureRect("pattern", 0, brushStyle->getTextureId());
glBindBufferRange(GL_UNIFORM_BUFFER, UBO_OBJECT, model.getBufferID("ubo"), 0, sizeof(ObjectData));
glBindVertexBuffer(0, model.getBufferID("vbo"), 0, model.getModel()->getCompiledVertexSize() * sizeof(float));
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, model.getBufferID("ibo"));
glDrawElements(mode, model.getModel()->getCompiledIndexCount(NvModelPrimType::TRIANGLES), GL_UNSIGNED_INT, nullptr);
if (model.cornerPointsExists())
{
glBindBufferRange(GL_UNIFORM_BUFFER, UBO_OBJECT, model.getCornerBufferID("ubo"), 0, sizeof(ObjectData));
glBindVertexBuffer(0, model.getCornerBufferID("vbo"), 0, sizeof(nv::vec3f));
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, model.getCornerBufferID("ibo"));
glDrawElements(GL_LINE_STRIP, model.getCornerIndices().size(), GL_UNSIGNED_INT, nullptr);
}
program.disable();
glDisableVertexAttribArray(VERTEX_POS);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindVertexBuffer(0, 0, 0, 0);
}
void PipelineImpl::setVertexState(GlState& state) const
{
if(state.m_stateHashes.m_vertex == m_hashes.m_vertex)
{
return;
}
state.m_stateHashes.m_vertex = m_hashes.m_vertex;
for(U i = 0; i < m_in.m_vertex.m_attributeCount; ++i)
{
const Attribute& attrib = m_cache.m_attribs[i];
ANKI_ASSERT(attrib.m_type);
glVertexAttribFormat(
i, attrib.m_compCount, attrib.m_type, attrib.m_normalized, m_in.m_vertex.m_attributes[i].m_offset);
glVertexAttribBinding(i, m_in.m_vertex.m_attributes[i].m_binding);
}
for(U i = 0; i < m_in.m_vertex.m_bindingCount; ++i)
{
ANKI_ASSERT(m_in.m_vertex.m_bindings[i].m_stride > 0);
state.m_vertexBindingStrides[i] = m_in.m_vertex.m_bindings[i].m_stride;
}
if(m_in.m_vertex.m_bindingCount)
{
state.m_vertBindingCount = m_in.m_vertex.m_bindingCount;
state.m_vertBindingsDirty = true;
}
}
void TransparencyManagerOITClosestArray::drawQuad()
{
glEnableVertexAttribArray( 0 );
glVertexAttribFormat( 0, 2, GL_FLOAT, GL_FALSE, 0 );
glVertexAttribBinding( 0, 0 );
glBindVertexBuffer( 0, m_fullScreenQuad->getGLId(), 0, 8 );
glDrawArrays( GL_QUADS, 0, 4 );
}
void TopazSample::updateCommandListState()
{
enum StateObjects
{
STATE_DRAW,
STATE_GEOMETRY_DRAW,
STATE_LINES_DRAW,
STATES_COUNT
};
if (cmdlist.state.programIncarnation != cmdlist.captured.programIncarnation)
{
glBindFramebuffer(GL_FRAMEBUFFER, fbos.scene);
glEnable(GL_DEPTH_TEST);
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(1, 1);
glEnableVertexAttribArray(VERTEX_POS);
glVertexAttribFormat(VERTEX_POS, 3, GL_FLOAT, GL_FALSE, models.at(0)->getModel()->getCompiledPositionOffset());
glVertexAttribBinding(VERTEX_POS, 0);
glBindVertexBuffer(0, 0, 0, models.at(0)->getModel()->getCompiledVertexSize() * sizeof(float));
if (hwsupport)
{
glBufferAddressRangeNV(GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, 0, 0, 0);
glBufferAddressRangeNV(GL_ELEMENT_ARRAY_ADDRESS_NV, 0, 0, 0);
glBufferAddressRangeNV(GL_UNIFORM_BUFFER_ADDRESS_NV, UBO_OBJECT, 0, 0);
glBufferAddressRangeNV(GL_UNIFORM_BUFFER_ADDRESS_NV, UBO_SCENE, 0, 0);
}
shaderPrograms["draw"]->enable();
glStateCaptureNV(cmdlist.stateObjects[STATE_DRAW], GL_TRIANGLES);
glBindVertexBuffer(0, 0, 0, sizeof(nv::vec3f));
glStateCaptureNV(cmdlist.stateObjects[STATE_LINES_DRAW], GL_LINES);
glDisableVertexAttribArray(VERTEX_POS);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glDisable(GL_DEPTH_TEST);
}
if (hwsupport && (
cmdlist.state.programIncarnation != cmdlist.captured.programIncarnation ||
cmdlist.state.fboIncarnation != cmdlist.captured.fboIncarnation))
{
NVTokenSequence &seq = cmdlist.tokenSequenceList;
glCommandListSegmentsNV(cmdlist.tokenCmdList, 1);
glListDrawCommandsStatesClientNV(cmdlist.tokenCmdList, 0, (const void**)&seq.offsets[0], &seq.sizes[0], &seq.states[0], &seq.fbos[0], int(seq.states.size()));
glCompileCommandListNV(cmdlist.tokenCmdList);
}
cmdlist.captured = cmdlist.state;
}
bool initVertexArray()
{
GLuint Bindingindex(0);
glGenVertexArrays(1, &VertexArrayName);
glBindVertexBuffer( Bindingindex, BufferName[buffer::VERTEX], 0, sizeof(glf::vertex_v2fv2f));
glVertexAttribBinding( glf::semantic::attr::POSITION, Bindingindex);
glVertexAttribFormat( glf::semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding( glf::semantic::attr::TEXCOORD, Bindingindex);
glVertexAttribFormat( glf::semantic::attr::TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(glm::vec2));
glEnableVertexAttribArray( glf::semantic::attr::POSITION);
glEnableVertexAttribArray( glf::semantic::attr::TEXCOORD);
return true;
}
bool initVertexArray()
{
glGenVertexArrays(1, &VertexArrayName);
glBindVertexArray(VertexArrayName);
glVertexAttribBinding(semantic::attr::POSITION, 0);
glVertexAttribFormat(semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(semantic::attr::TEXCOORD, 0);
glVertexAttribFormat(semantic::attr::TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(glm::vec2));
glEnableVertexAttribArray(semantic::attr::POSITION);
glEnableVertexAttribArray(semantic::attr::TEXCOORD);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, BufferName[buffer::ELEMENT]);
glBindVertexBuffer(0, BufferName[buffer::VERTEX], 0, sizeof(glf::vertex_v2fv2f));
glBindVertexArray(0);
return true;
}
/*OpenGL 4.3 version. */
GLuint vaoFactory(GLuint loc_attrib, GLuint normal_attrib, GLuint texcoord_attrib)
{
GLuint array;
glGenVertexArrays(1, &array);
// Enable my attributes
glEnableVertexAttribArray(loc_attrib);
glEnableVertexAttribArray(normal_attrib);
glEnableVertexAttribArray(texcoord_attrib);
// Set up the formats for my attributes
glVertexAttribFormat(loc_attrib, 3, GL_FLOAT, GL_FALSE, 0);
glVertexAttribFormat(normal_attrib, 3, GL_FLOAT, GL_FALSE, 12);
glVertexAttribFormat(texcoord_attrib, 2, GL_FLOAT, GL_FALSE, 24);
// Make my attributes all use binding 0
glVertexAttribBinding(loc_attrib, 0);
glVertexAttribBinding(normal_attrib, 0);
glVertexAttribBinding(texcoord_attrib, 0);
return array;
}
bool initVertexArray()
{
glGenVertexArrays(pipeline::MAX, &VertexArrayName[0]);
glBindVertexArray(VertexArrayName[pipeline::TEXTURE]);
glVertexAttribFormat(glf::semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(glf::semantic::attr::POSITION, glf::semantic::buffer::STATIC);
glEnableVertexAttribArray(glf::semantic::attr::POSITION);
glVertexAttribFormat(glf::semantic::attr::TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(glm::vec2));
glVertexAttribBinding(glf::semantic::attr::TEXCOORD, glf::semantic::buffer::STATIC);
glEnableVertexAttribArray(glf::semantic::attr::TEXCOORD);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, BufferName[buffer::ELEMENT]);
glBindVertexArray(0);
glBindVertexArray(VertexArrayName[pipeline::SPLASH]);
glBindVertexArray(0);
return true;
}
bool initVertexArray()
{
glGenVertexArrays(program::MAX, &VertexArrayName[0]);
glBindVertexArray(VertexArrayName[program::TRANSFORM]);
glVertexAttribFormat(semantic::attr::POSITION, 4, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(semantic::attr::POSITION, semantic::buffer::STATIC);
glEnableVertexAttribArray(semantic::attr::POSITION);
glBindVertexArray(0);
glBindVertexArray(VertexArrayName[program::FEEDBACK]);
glVertexAttribFormat(semantic::attr::POSITION, 4, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(semantic::attr::POSITION, semantic::buffer::STATIC);
glEnableVertexAttribArray(semantic::attr::POSITION);
glVertexAttribFormat(semantic::attr::COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(glm::vec4));
glVertexAttribBinding(semantic::attr::COLOR, semantic::buffer::STATIC);
glEnableVertexAttribArray(semantic::attr::COLOR);
glBindVertexArray(0);
return this->checkError("initVertexArray");
}
void _004_lua_test::init() {
m_shader.init();
m_vao.init();
// init buffer with stuff
core::t_vec4f vertices[] = {
{-1.0, -1.0, -1.0, 1.0},
{ 1.0, -1.0, -1.0, 1.0},
{ 0.0, 1.0, -1.0, 1.0}
};
m_buffer.init();
m_buffer.data(ATTRIBUTES::POSITION, sizeof(vertices), 0, GL_STATIC_DRAW);
void* memory = m_buffer.map(ATTRIBUTES::POSITION, GL_WRITE_ONLY);
std::memcpy(memory, vertices, sizeof(vertices));
m_buffer.unmap(ATTRIBUTES::POSITION);
// init vao with attrib formats
{
auto v = m_vao.activate();
// setup attribute format
glVertexAttribBinding(ATTRIBUTES::POSITION, BINDINGS::PRIMARY);
glVertexAttribFormat(ATTRIBUTES::POSITION, 4, GL_FLOAT, GL_FALSE, 0);
// enable attrib array
glEnableVertexAttribArray(ATTRIBUTES::POSITION);
// bind buffer
glBindVertexBuffer(BINDINGS::PRIMARY, m_buffer.get_name(BUFFER::POSITION), 0, sizeof(core::t_vec4f));
// order between the 3 steps does not matter, but every step has to exist.
}
glClearColor(0.2f, 0.2f, 0.23f, 0.0f);
m_lua_state = luaL_newstate();
luaL_openlibs(m_lua_state);
std::cout << "start run lua file" << std::endl;
luaL_dofile(m_lua_state, "data/script/manipulator.lua");
std::cout << "stop run lua file" << std::endl;
lua_close(m_lua_state);
}
//------------------------------------------------------------------------------
//
//------------------------------------------------------------------------------
void RendererStandard::displayGrid(const InertiaCamera& camera, const mat4f projection)
{
//
// Update what is inside buffers
//
g_globalMatrices.mVP = projection * camera.m4_view;
g_globalMatrices.mW = mat4f(array16_id);
glNamedBufferSubDataEXT(g_uboMatrix.Id, 0, sizeof(g_globalMatrices), &g_globalMatrices);
//
// The cross vertex change is an example on how command-list are compatible with changing
// what is inside the vertex buffers. VBOs are outside of the token buffers...
//
const vec3f& p = camera.curFocusPos;
vec3f crossVtx[6] = {
vec3f(p.x - CROSSSZ, p.y, p.z), vec3f(p.x + CROSSSZ, p.y, p.z),
vec3f(p.x, p.y - CROSSSZ, p.z), vec3f(p.x, p.y + CROSSSZ, p.z),
vec3f(p.x, p.y, p.z - CROSSSZ), vec3f(p.x, p.y, p.z + CROSSSZ),
};
glNamedBufferSubDataEXT(s_vboCross, 0, sizeof(vec3f)* 6, crossVtx);
// ------------------------------------------------------------------------------------------
// Case of regular rendering
//
s_shaderGrid.bindShader();
glEnableVertexAttribArray(0);
glDisableVertexAttribArray(1);
// --------------------------------------------------------------------------------------
// Using regular VBO
//
glBindBufferBase(GL_UNIFORM_BUFFER, UBO_MATRIX, g_uboMatrix.Id);
glBindVertexBuffer(0, s_vboGrid, 0, sizeof(vec3f));
glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0);
//
// Draw!
//
glDrawArrays(GL_LINES, 0, GRIDDEF * 4);
glBindVertexBuffer(0, s_vboCross, 0, sizeof(vec3f));
glDrawArrays(GL_LINES, 0, 6);
glDisableVertexAttribArray(0);
//s_shaderGrid.unbindShader();
}
bool EffectSkybox::initEffect()
{
program = XRShaderManger::getShaderProgram(XRShaderManger::XR_SHADER_PROGRAM_ENVIRONMENT_MAPPING);
#pragma endregion
//create and initialize vao
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
#pragma region setup position attribute
{
//create and initialize position vbo_pos
glGenBuffers(1, &vbo_pos);
glBindBuffer(GL_ARRAY_BUFFER, vbo_pos);
XRMesh* mesh = (XRMesh*)object->getComponent(XR_COMPONENT_MESH);
glBufferStorage(GL_ARRAY_BUFFER, sizeof(GLfloat) * 3 * mesh->vertexNum, mesh->positions, GL_MAP_WRITE_BIT);
//binding vertex attribute with vertex buffer object
glVertexAttribBinding(VPOS, 0);
glBindVertexBuffer(0, vbo_pos, 0, sizeof(GLfloat) * 3);
glVertexAttribFormat(VPOS, 3, GL_FLOAT, GL_FALSE, 0);
glEnableVertexAttribArray(VPOS);
}
#pragma endregion
#pragma endregion
//by now everything is recorded in the vao
//so we will unbind the buffer
//and unbind the vao
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
return true;
}
void StateSystem::VertexFormatState::applyGL(GLbitfield changedFormat, GLbitfield changedBinding) const
{
for (GLuint i = 0; i < MAX_VERTEXATTRIBS; i++){
if (!isBitSet(changedFormat,i)) continue;
switch(formats[i].mode){
case VERTEXMODE_FLOAT:
glVertexAttribFormat(i, formats[i].size, formats[i].type, formats[i].normalized, formats[i].relativeoffset);
break;
case VERTEXMODE_INT:
case VERTEXMODE_UINT:
glVertexAttribIFormat(i, formats[i].size, formats[i].type, formats[i].relativeoffset);
break;
}
glVertexAttribBinding(i,formats[i].binding);
}
for (GLuint i = 0; i < MAX_VERTEXBINDINGS; i++){
if (!isBitSet(changedBinding,i)) continue;
glVertexBindingDivisor(i,bindings[i].divisor);
glBindVertexBuffer(i,0,0,bindings[i].stride);
}
}
static void redraw(struct glwin *win)
{
struct glwin_thread_state thread_state;
glwin_get_thread_state(&thread_state);
glwin_make_current(win, g_ctx);
lua_State *L = g_L;
static bool gl_init_attempted = false;
static bool gl_init_result = false;
if (!gl_init_attempted) {
gl_init_result = glb_glcore_init(3, 3);
}
if (!gl_init_result) {
printf("Failed to initialize OpenGL bindings\n");
exit(-1);
return;
}
glViewport(0, 0, win->width, win->height);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
lua_getglobal(L, "b2l_data"); //1
if (!lua_istable(L, -1)) {
lua_pop(L, 1);
goto end;
}
lua_getfield(L, -1, "objects"); //2
lua_getglobal(L, "current_object"); //3
if (!lua_isstring(L, -1)) {
lua_pop(L, 3);
goto end;
}
const char *current_object = lua_tostring(L, -1);
lua_getfield(L, -2, current_object); //4
if (lua_isnil(L, -1)) {
lua_pop(L, 4);
goto end;
}
lua_getfield(L, -1, "type"); //5
if(strcmp(lua_tostring(L, -1), "MESH")) {
lua_pop(L, 5);
goto end;
}
lua_getfield(L, -2, "data"); //6
lua_getfield(L, -6, "meshes"); //7
lua_getfield(L, -1, lua_tostring(L, -2)); //8
if (lua_isnil(L, -1)) {
lua_pop(L, 8);
goto end;
}
if (!g_gl_state.initialized)
init_gl_state();
if (g_gl_state.recompile_shaders)
g_gl_state.program_valid = recompile_shaders();
if (!g_gl_state.initialized || !g_gl_state.program_valid) {
lua_pop(L, 8);
goto end;
}
g_gl_state.recompile_shaders = false;
glUseProgram(g_gl_state.program);
glBindVertexArray(g_gl_state.vao);
if (g_gl_state.blob_updated) {
glBufferData(GL_ARRAY_BUFFER, g_gl_state.blob_size, g_gl_state.blob ,GL_STATIC_DRAW);
g_gl_state.blob_updated = false;
}
lua_getfield(L, -1, "vertex_normal_array_offset"); //9
int vertex_normal_array_offset = lua_tointeger(L, -1);
lua_getfield(L, -2, "uv_array_offset"); //10
int uv_array_offset = lua_tointeger(L, -1);
lua_getfield(L, -3, "uv_layers"); //11
lua_len(L, -1); //12
int num_uv_layers = lua_tointeger(L, -1);
int tangent_array_offset;
if (num_uv_layers > 0) {
lua_getfield(L, -5, "tangent_array_offset");
tangent_array_offset = lua_tointeger(L, -1);
lua_pop(L, 1);
}
lua_getfield(L, -5, "vertex_co_array_offset"); //13
int vertex_co_array_offset = lua_tointeger(L, -1);
lua_getfield(L, -6, "weights_per_vertex"); //14
int weights_per_vertex = lua_tointeger(L, -1);
int weights_array_offset;
if (weights_per_vertex > 0) {
lua_getfield(L, -7, "weights_array_offset");
weights_array_offset = lua_tointeger(L, -1);
lua_pop(L, 1);
} else {
weights_array_offset = -1;
}
lua_getfield(L, -11, "vertex_groups"); //15
int num_vertex_groups;
if (lua_isnil(L, -1)) {
num_vertex_groups = 0;
} else {
lua_len(L, -1);
num_vertex_groups = lua_tointeger(L, -1);
lua_pop(L, 1);
}
glBindVertexBuffer(NORMAL, g_gl_state.vbo, vertex_normal_array_offset, sizeof(float) * 3);
if (num_uv_layers > 0) {
glBindVertexBuffer(UV, g_gl_state.vbo, uv_array_offset, sizeof(float) * 2 * num_uv_layers);
glBindVertexBuffer(TANGENT, g_gl_state.vbo, tangent_array_offset, sizeof(float) * 4);
}
glBindVertexBuffer(POS, g_gl_state.vbo, vertex_co_array_offset, sizeof(float) * 3);
if (weights_per_vertex > 0)
glBindVertexBuffer(WEIGHTS, g_gl_state.vbo, weights_array_offset, weights_per_vertex * 4);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, g_gl_state.vbo);
if (g_gl_state.normal_index >= 0) {
glEnableVertexAttribArray(g_gl_state.normal_index);
glVertexAttribFormat(g_gl_state.normal_index, 3, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(g_gl_state.normal_index, NORMAL);
}
if (g_gl_state.uv_index >= 0) {
glEnableVertexAttribArray(g_gl_state.uv_index);
glVertexAttribFormat(g_gl_state.uv_index, 2, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(g_gl_state.uv_index, UV);
}
if (g_gl_state.pos_index >= 0) {
glEnableVertexAttribArray(g_gl_state.pos_index);
glVertexAttribFormat(g_gl_state.pos_index, 3, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(g_gl_state.pos_index, POS);
}
int i = 0;
for (i = 0; i < 6; i++) {
if (g_gl_state.weights_index[i] >= 0 && weights_per_vertex > 0) {
glEnableVertexAttribArray(g_gl_state.weights_index[i]);
glVertexAttribIFormat(g_gl_state.weights_index[i], 2, GL_SHORT, 4 * i);
glVertexAttribBinding(g_gl_state.weights_index[i], WEIGHTS);
}
}
if (num_uv_layers > 0 && g_gl_state.tangent_index >= 0) {
glEnableVertexAttribArray(g_gl_state.tangent_index);
glVertexAttribFormat(g_gl_state.tangent_index, 4, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(g_gl_state.tangent_index, TANGENT);
}
struct mat4 view;
struct mat4 model;
struct quaternion next;
quaternion_mul(&q_delta, &q_cur, &next);
quaternion_to_mat4(&next, &view);
view.v[3][3] = 1;
mat4_identity(&model);
model.v[3][0] = g_offset[0] + g_offset_next[0];
model.v[3][1] = g_offset[1] + g_offset_next[1];
model.v[3][2] = g_offset[2] + g_offset_next[2];
glUniformMatrix4fv(glGetUniformLocation(g_gl_state.program, "model"), 1, GL_FALSE, (GLfloat *)&model);
struct mat4 ident;
mat4_identity(&ident);
glUniformMatrix4fv(glGetUniformLocation(g_gl_state.program, "view"), 1, GL_FALSE, (GLfloat *)&view);
float zoom = exp(g_log_zoom);
float zr = 100;
struct mat4 proj;
mat4_zero(&proj);
proj.v[0][0] = 1.0/zoom;
proj.v[1][1] = 1.0*win->width/(zoom*win->height);
proj.v[2][2] = 1.0/zr;
proj.v[3][3] = 1.0;
glUniformMatrix4fv(glGetUniformLocation(g_gl_state.program, "proj"), 1, GL_FALSE, (GLfloat *)&proj);
if (weights_per_vertex > 0) {
static int render_count = 0;
render_count++;
double frame;
int frame_start;
int frame_end;
lua_getglobal(L, "frame_start"); //16
frame_start = lua_tointeger(L, -1);
lua_getglobal(L, "frame_end"); //17
frame_end = lua_tointeger(L, -1);
lua_getglobal(L, "frame_delta"); //18
frame = frame_start + lua_tonumber(L, -1);
int frame_i = floorf(frame);
double frame_fract = frame - frame_i;
lua_getfield(L, -18, "scenes"); //19
lua_getglobal(L, "current_scene"); //20
lua_getfield(L, -2, lua_tostring(L, -1)); //21
if (!lua_istable(L, -1)) {
lua_pop(L, 20);
goto end;
}
lua_getfield(L, -1, "objects");
lua_getfield(L, -1, current_object);
lua_getfield(L, -1, "vertex_group_transform_array_offset");
int offset = lua_tointeger(L, -1);
lua_pop(L, 9);
int stride = sizeof(float) * 4 * 4 * num_vertex_groups;
int i;
for (i = 0; i < num_vertex_groups; i++) {
struct mat4 res;
struct mat4 M1;
struct mat4 M2;
struct mat4 *base = (struct mat4 *)(g_gl_state.blob + offset + (i * sizeof(float) * 4 * 4) + frame_i * stride);
struct mat4 *next = (struct mat4 *)(g_gl_state.blob + offset + (i * sizeof(float) * 4 * 4) + (frame_i + 1) * stride);
if (frame_i == (frame_end-1)) {
next = (struct mat4 *)(g_gl_state.blob + offset + i * sizeof(float) * 4 * 4 + (frame_start) * stride);
} else if (frame_fract == 0) {
next = base;
}
#if USE_SLERP
struct mat4 temp;
mat4_zero(&temp);
temp.v[3][3] = 1;
M1 = *base;
M2 = *next;
spherical_lerp(M1.v[0], M2.v[0], frame_fract, temp.v[0]);
spherical_lerp(M1.v[1], M2.v[1], frame_fract, temp.v[1]);
spherical_lerp(M1.v[2], M2.v[2], frame_fract, temp.v[2]);
mat4_transpose(&temp, &res);
float v1[3];
float v2[3];
v1[0] = M1.v[0][3];
v1[1] = M1.v[1][3];
v1[2] = M1.v[2][3];
v2[0] = M2.v[0][3];
v2[1] = M2.v[1][3];
v2[2] = M2.v[2][3];
lerp(v1, v2, frame_fract, res.v[3]);
#else
mat4_zero(&res);
res.v[3][3] = 1;
mat4_transpose(base, &M1);
mat4_transpose(next, &M2);
lerp(M1.v[0], M2.v[0], frame_fract, res.v[0]);
lerp(M1.v[1], M2.v[1], frame_fract, res.v[1]);
lerp(M1.v[2], M2.v[2], frame_fract, res.v[2]);
lerp(M1.v[3], M2.v[3], frame_fract, res.v[3]);
#endif
glUniformMatrix4fv(g_gl_state.groups_index + i,
1, /*num_vertex_groups, */
GL_FALSE,
(GLfloat *)&res);
}
}
lua_getglobal(L, "controls"); //16
int controls = lua_gettop(L);
lua_getglobal(L, "materials"); //17
int materials = lua_gettop(L);
lua_getfield(L, -10, "index_array_offset"); //18
int index_array_offset = lua_tointeger(L, -1);
lua_getfield(L, -11, "submeshes"); //19
lua_len(L, -1); //20
int num_submeshes = lua_tointeger(L, -1);
for (i = 0; i < num_submeshes; i++) {
lua_rawgeti(L, -2, i + 1);
lua_getfield(L, -1, "material_name");
const char *material_name = lua_tostring(L, -1);
lua_getfield(L, -2, "triangle_no");
int triangle_no = lua_tointeger(L, -1);
lua_getfield(L, -3, "triangle_count");
int triangle_count = lua_tointeger(L, -1);
lua_getfield(L, materials, material_name);
lua_getfield(L, -1, "params");
lua_pushnil(L); /* first key */
while (lua_next(L, -2)) {
int variable = lua_gettop(L);
const char *variable_name = lua_tostring(L, variable - 1);
int uniform_loc = glGetUniformLocation(g_gl_state.program, variable_name);
if (uniform_loc == -1) {
lua_pop(L, 1);
continue;
}
lua_getfield(L, variable, "value");
int value = variable + 1;
lua_getfield(L, variable, "datatype");
const char *datatype = strdup(lua_tostring(L, -1));
lua_pop(L, 1);
if (!strcmp(datatype, "bool")) {
int bool_value = lua_toboolean(L, value);
glUniform1i(uniform_loc, bool_value);
} else if (!strcmp(datatype, "vec3")) {
lua_rawgeti(L, value, 1);
lua_rawgeti(L, value, 2);
lua_rawgeti(L, value, 3);
float val[3];
val[0] = (float)lua_tonumber(L, -3);
val[1] = (float)lua_tonumber(L, -2);
val[2] = (float)lua_tonumber(L, -1);
glUniform3fv(uniform_loc, 1, val);
lua_pop(L, 3);
} else if (!strcmp(datatype, "float")) {
float fval = lua_tonumber(L, value);
glUniform1f(uniform_loc, fval);
} else if (!strcmp(datatype, "sampler2D")) {
lua_getfield(L, controls, variable_name);
int control = lua_gettop(L);
lua_getfield(L, control, "needs_upload");
int needs_upload = lua_toboolean(L, -1);
lua_pop(L, 1);
if (needs_upload) {
int texunit;
GdkPixbuf *pbuf;
lua_getfield(L, control, "texunit");
texunit = lua_tointeger(L, -1) - 1;
lua_pop(L, 1);
lua_getfield(L, control, "pbuf");
lua_getfield(L, -1, "_native");
pbuf = (GdkPixbuf *)lua_touserdata(L, -1);
lua_pop(L, 2);
glActiveTexture(GL_TEXTURE0 + texunit);
glBindTexture(GL_TEXTURE_2D, g_texture_names[texunit]);
int width = gdk_pixbuf_get_width(pbuf);
int height = gdk_pixbuf_get_height(pbuf);
int n_chan = gdk_pixbuf_get_n_channels(pbuf);
glPixelStorei(GL_UNPACK_ROW_LENGTH, gdk_pixbuf_get_rowstride(pbuf)/ n_chan);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexImage2D(GL_TEXTURE_2D,
0, /* level */
n_chan > 3 ? GL_RGBA : GL_RGB,
width,
height,
0, /* border */
n_chan > 3 ? GL_RGBA : GL_RGB,
GL_UNSIGNED_BYTE,
gdk_pixbuf_get_pixels(pbuf));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glGenerateMipmap(GL_TEXTURE_2D);
glUniform1i(uniform_loc, texunit);
lua_pushboolean(L, 0);
lua_setfield(L, control, "needs_upload");
}
lua_pop(L, 1);
}
free((void *)datatype);
lua_pop(L, 2);
} //while (lua_next(L, -2) != 0)
glDrawElements(GL_TRIANGLES,
3 * triangle_count,
GL_UNSIGNED_SHORT,
(void *)((int64_t)index_array_offset) + 3 * 2 * triangle_no);
lua_pop(L, 6);
}
lua_pop(L, 20);
end:
{
GLenum err = glGetError();
if (err)
printf("render_scene GL error = %d\n", err);
}
glwin_swap_buffers(g_win);
glwin_set_thread_state(&thread_state);
g_need_redraw = false;
return;
}
static void initVertexFormats()
{
// Specify vertex formats using ARB_vertex_attrib_binding
glBindVertexArray(gctx.vtxformats[VERT_POS_NOR]);
// Position
glVertexAttribFormat(0, // Attribute index layout (location = 0) for pos
3, // Size 3 * floats
GL_FLOAT, // Type of attrib
GL_FALSE, // Normalised?
0 // Offset
);
glVertexAttribBinding(0, 0);
glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, 0); // NORMAL
glVertexAttribBinding(1, 1);
glBindVertexArray(gctx.vtxformats[VERT_POS_NOR_T0]);
glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0); // POS
glVertexAttribBinding(0, 0);
glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, 0); // NORMAL
glVertexAttribBinding(1, 1);
glVertexAttribFormat(2, 2, GL_FLOAT, GL_FALSE, 0); // TEXCOORD0
glVertexAttribBinding(2, 2);
glBindVertexArray(gctx.vtxformats[VERT_POS_NOR_STRIDED]);
glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0); // POS
glVertexAttribBinding(0, 0);
glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float)); // NORMAL
glVertexAttribBinding(1, 0);
glBindVertexArray(gctx.vtxformats[VERT_POS_NOR_T0_STRIDED]);
glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0); // POS
glVertexAttribBinding(0, 0);
glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float)); // NORMAL
glVertexAttribBinding(1, 0);
glVertexAttribFormat(2, 2, GL_FLOAT, GL_FALSE, 6 * sizeof(float)); // TEXCOORD0
glVertexAttribBinding(2, 0);
glBindVertexArray(gctx.vtxformats[VERT_POS_T0_STRIDED]);
glVertexAttribFormat(0, 2, GL_FLOAT, GL_FALSE, 0 * sizeof(float)); // POS
glVertexAttribBinding(0, 0);
glVertexAttribFormat(1, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float)); // NORMAL
glVertexAttribBinding(1, 0);
glBindVertexArray(0);
}
void TopazSample::renderStandartWeightedBlendedOIT()
{
glEnable(GL_DEPTH_TEST);
glDisable(GL_POLYGON_OFFSET_FILL);
glBindBufferBase(GL_UNIFORM_BUFFER, UBO_SCENE, ubos.sceneUbo);
glBindBufferBase(GL_UNIFORM_BUFFER, UBO_IDENTITY, ubos.identityUbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbos.scene);
drawModel(GL_TRIANGLES, *shaderPrograms["draw"], *models.at(0));
glBindFramebuffer(GL_FRAMEBUFFER, 0);
/* first pass oit */
glDisable(GL_DEPTH_TEST);
// TODO : change on transparent list of models
for (auto model = models.begin() + 1; model != models.end(); model++)
{
/* geometry pass */
{
glBindFramebuffer(GL_FRAMEBUFFER, oit->getFramebufferID());
const GLenum drawBuffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 };
glDrawBuffers(2, drawBuffers);
GLfloat clearColorZero[4] = { 0.0f };
GLfloat clearColorOne[4] = { 1.0f };
glClearBufferfv(GL_COLOR, 0, clearColorZero);
glClearBufferfv(GL_COLOR, 1, clearColorOne);
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFunci(0, GL_ONE, GL_ONE);
glBlendFunci(1, GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
objectData.objectColor = nv::vec4f(1.0f, 1.0f, 1.0f, oit->getOpacity());
glNamedBufferSubDataEXT((*model)->getBufferID("ubo"), 0, sizeof(ObjectData), &objectData);
objectData.objectColor = nv::vec4f(1.0f, 0.0f, 0.0f, oit->getOpacity());
glNamedBufferSubDataEXT((*model)->getCornerBufferID("ubo"), 0, sizeof(ObjectData), &objectData);
drawModel(GL_TRIANGLES, *shaderPrograms["weightBlended"], **model);
glDisable(GL_BLEND);
CHECK_GL_ERROR();
}
/* composition pass */
{
glBindFramebuffer(GL_FRAMEBUFFER, fbos.scene);
glBindBufferRange(GL_UNIFORM_BUFFER, UBO_OIT, ubos.weightBlendedUbo, 0, sizeof(WeightBlendedData));
// check uniform buffer offset
{
const char* uniformNames[] = { "weightBlendedData.background", "weightBlendedData.colorTex0", "weightBlendedData.colorTex1" };
std::unique_ptr<GLint> parameters(new GLint[3]);
std::unique_ptr<GLuint> uniformIndices(new GLuint[3]);
glGetUniformIndices(shaderPrograms["weightBlendedFinal"]->getProgram(), 3, uniformNames, uniformIndices.get());
glGetActiveUniformsiv(shaderPrograms["weightBlendedFinal"]->getProgram(), 3, uniformIndices.get(), GL_UNIFORM_OFFSET, parameters.get());
GLint* offset = parameters.get();
}
{
shaderPrograms["weightBlendedFinal"]->enable();
glVertexAttribFormat(VERTEX_POS, 3, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(VERTEX_POS, 0);
glEnableVertexAttribArray(VERTEX_POS);
glBindVertexBuffer(0, fullScreenRectangle.vboFullScreen, 0, sizeof(nv::vec3f));
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
shaderPrograms["weightBlendedFinal"]->disable();
}
CHECK_GL_ERROR();
}
}
}
void TopazSample::initCommandListWeightBlended()
{
if (!isTokenInternalsInited)
{
hwsupport = init_NV_command_list(sysGetProcAddress) ? true : false;
nvtokenInitInternals(hwsupport, bindlessVboUbo);
isTokenInternalsInited = true;
}
enum States
{
STATE_CLEAR,
STATE_OPAQUE,
STATE_TRANSPARENT,
STATE_TRASPARENT_LINES,
STATE_COMPOSITE,
STATES_COUNT
};
if (hwsupport)
{
for (size_t i = 0; i < STATES_COUNT; i++)
{
glCreateStatesNV(1, &cmdlist.stateObjectsWeightBlended[i]);
}
glGenBuffers(1, &cmdlist.tokenBufferWeightBlended);
glCreateCommandListsNV(1, &cmdlist.tokenCmdListWeightBlended);
}
NVTokenSequence& seq = cmdlist.tokenSequenceWeightBlended;
std::string& stream = cmdlist.tokenDataWeightBlended;
size_t offset = 0;
{
NVTokenUbo ubo;
ubo.setBuffer(ubos.sceneUbo, ubos.sceneUbo64, 0, sizeof(SceneData));
ubo.setBinding(UBO_SCENE, NVTOKEN_STAGE_VERTEX);
nvtokenEnqueue(stream, ubo);
ubo.setBinding(UBO_SCENE, NVTOKEN_STAGE_FRAGMENT);
nvtokenEnqueue(stream, ubo);
}
// 1. render 'background' into framebuffer 'fbos.scene'
{
auto& model = models.at(0);
setTokenBuffers(model.get(), stream);
NVTokenDrawElems draw;
draw.setParams(model->getModel()->getCompiledIndexCount(NvModelPrimType::TRIANGLES));
draw.setMode(GL_TRIANGLES);
nvtokenEnqueue(stream, draw);
pushTokenParameters(seq, offset, stream, fbos.scene, cmdlist.stateObjectsWeightBlended[STATE_OPAQUE]);
}
// 2. geometry pass OIT
for (auto model = models.begin() + 1; model != models.end(); model++)
{
// like call glClearBufferfv
{
NVTokenVbo vbo;
vbo.setBinding(0);
vbo.setBuffer(fullScreenRectangle.vboFullScreen, fullScreenRectangle.vboFullScreen64, 0);
nvtokenEnqueue(stream, vbo);
NVTokenUbo ubo;
ubo.setBuffer(ubos.identityUbo, ubos.identityUbo64, 0, sizeof(IdentityData));
ubo.setBinding(UBO_IDENTITY, NVTOKEN_STAGE_VERTEX);
nvtokenEnqueue(stream, ubo);
NVTokenDrawArrays draw;
draw.setParams(4, 0);
draw.setMode(GL_TRIANGLE_STRIP);
nvtokenEnqueue(stream, draw);
}
pushTokenParameters(seq, offset, stream, oit->getFramebufferID(), cmdlist.stateObjectsWeightBlended[STATE_CLEAR]);
// 2. geometry pass
{
setTokenBuffers((*model).get(), stream);
NVTokenDrawElems draw;
draw.setParams((*model)->getModel()->getCompiledIndexCount(NvModelPrimType::TRIANGLES));
draw.setMode(GL_TRIANGLES);
nvtokenEnqueue(stream, draw);
}
pushTokenParameters(seq, offset, stream, oit->getFramebufferID(), cmdlist.stateObjectsWeightBlended[STATE_TRANSPARENT]);
{
setTokenBuffers((*model).get(), stream, true);
NVTokenDrawElems draw;
draw.setParams((*model)->getCornerIndices().size());
draw.setMode(GL_LINE_STRIP);
nvtokenEnqueue(stream, draw);
}
pushTokenParameters(seq, offset, stream, oit->getFramebufferID(), cmdlist.stateObjectsWeightBlended[STATE_TRASPARENT_LINES]);
// 3. composite pass
{
NVTokenVbo vbo;
vbo.setBinding(0);
vbo.setBuffer(fullScreenRectangle.vboFullScreen, fullScreenRectangle.vboFullScreen64, 0);
nvtokenEnqueue(stream, vbo);
NVTokenUbo ubo;
ubo.setBuffer(ubos.identityUbo, ubos.identityUbo64, 0, sizeof(IdentityData));
ubo.setBinding(UBO_IDENTITY, NVTOKEN_STAGE_VERTEX);
nvtokenEnqueue(stream, ubo);
NVTokenUbo uboWeightBlended;
uboWeightBlended.setBuffer(ubos.weightBlendedUbo, ubos.weightBlendedUbo64, 0, sizeof(WeightBlendedData));
uboWeightBlended.setBinding(UBO_OIT, NVTOKEN_STAGE_FRAGMENT);
nvtokenEnqueue(stream, uboWeightBlended);
NVTokenDrawArrays draw;
draw.setParams(4, 0);
draw.setMode(GL_TRIANGLE_STRIP);
nvtokenEnqueue(stream, draw);
}
pushTokenParameters(seq, offset, stream, fbos.scene, cmdlist.stateObjectsWeightBlended[STATE_COMPOSITE]);
}
if (hwsupport)
{
glNamedBufferStorageEXT(cmdlist.tokenBufferWeightBlended, cmdlist.tokenDataWeightBlended.size(), &cmdlist.tokenDataWeightBlended.at(0), 0);
cmdlist.tokenSequenceListWeightBlended = cmdlist.tokenSequenceWeightBlended;
for (size_t i = 0; i < cmdlist.tokenSequenceListWeightBlended.offsets.size(); i++)
{
cmdlist.tokenSequenceListWeightBlended.offsets[i] += (GLintptr)&cmdlist.tokenDataWeightBlended.at(0);
}
}
glEnableVertexAttribArray(VERTEX_POS);
glVertexAttribFormat(VERTEX_POS, 3, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(VERTEX_POS, 0);
glEnable(GL_DEPTH_TEST);
// 1. opaque modes
{
glBindFramebuffer(GL_FRAMEBUFFER, fbos.scene);
shaderPrograms["draw"]->enable();
glBindVertexBuffer(0, 0, 0, 9 * sizeof(float));
glStateCaptureNV(cmdlist.stateObjectsWeightBlended[STATE_OPAQUE], GL_TRIANGLES);
shaderPrograms["draw"]->disable();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
glDisable(GL_DEPTH_TEST);
// like a glClearBufferfv
{
glBindFramebuffer(GL_FRAMEBUFFER, oit->getFramebufferID());
const GLenum drawBuffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 };
glDrawBuffers(2, drawBuffers);
shaderPrograms["clear"]->enable();
glBindVertexBuffer(0, 0, 0, sizeof(nv::vec3f));
glStateCaptureNV(cmdlist.stateObjectsWeightBlended[STATE_CLEAR], GL_TRIANGLES);
shaderPrograms["clear"]->disable();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
// 2. oit first step
{
glBindFramebuffer(GL_FRAMEBUFFER, oit->getFramebufferID());
// ???
//glEnable(GL_POLYGON_STIPPLE);
//glPolygonStipple(brushStyle->brushPattern8to32(QtStyles::DiagCrossPattern).data());
const GLenum drawBuffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 };
glDrawBuffers(2, drawBuffers);
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFunci(0, GL_ONE, GL_ONE);
glBlendFunci(1, GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
shaderPrograms["weightBlended"]->enable();
glBindVertexBuffer(0, 0, 0, 9 * sizeof(float));
glStateCaptureNV(cmdlist.stateObjectsWeightBlended[STATE_TRANSPARENT], GL_TRIANGLES);
glBindVertexBuffer(0, 0, 0, sizeof(nv::vec3f));
glStateCaptureNV(cmdlist.stateObjectsWeightBlended[STATE_TRASPARENT_LINES], GL_LINES);
shaderPrograms["weightBlended"]->disable();
// ???
//glDisable(GL_POLYGON_STIPPLE);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
// 3. oit second step
{
glBindFramebuffer(GL_FRAMEBUFFER, fbos.scene);
glDisable(GL_BLEND);
shaderPrograms["weightBlendedFinal"]->enable();
glBindVertexBuffer(0, 0, 0, sizeof(nv::vec3f));
glStateCaptureNV(cmdlist.stateObjectsWeightBlended[STATE_COMPOSITE], GL_TRIANGLES);
shaderPrograms["weightBlendedFinal"]->disable();
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
// compile command list
NVTokenSequence& sequenceList = cmdlist.tokenSequenceListWeightBlended;
glCommandListSegmentsNV(cmdlist.tokenCmdListWeightBlended, 1);
glListDrawCommandsStatesClientNV(cmdlist.tokenCmdListWeightBlended, 0, (const void**)&sequenceList.offsets[0], &sequenceList.sizes[0], &sequenceList.states[0], &sequenceList.fbos[0], int(sequenceList.states.size()));
glCompileCommandListNV(cmdlist.tokenCmdListWeightBlended);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL43_glVertexAttribFormat(JNIEnv *__env, jclass clazz, jint attribindex, jint size, jint type, jboolean normalized, jint relativeoffset) {
glVertexAttribFormatPROC glVertexAttribFormat = (glVertexAttribFormatPROC)tlsGetFunction(908);
UNUSED_PARAM(clazz)
glVertexAttribFormat(attribindex, size, type, normalized, relativeoffset);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL43_nglVertexAttribFormat(JNIEnv *__env, jclass clazz, jint attribindex, jint size, jint type, jboolean normalized, jint relativeoffset, jlong __functionAddress) {
glVertexAttribFormatPROC glVertexAttribFormat = (glVertexAttribFormatPROC)(intptr_t)__functionAddress;
UNUSED_PARAMS(__env, clazz)
glVertexAttribFormat(attribindex, size, type, normalized, relativeoffset);
}
ShovelerDrawable *shovelerDrawableTilesCreate(unsigned char width, unsigned char height)
{
Tiles *tiles = malloc(sizeof(Tiles));
tiles->width = width;
tiles->height = height;
tiles->vertices = malloc(4 * width * height * sizeof(TilesVertex));
tiles->triangles = malloc(2 * width * height * sizeof(TilesTriangle));
tiles->drawable.data = tiles;
tiles->drawable.draw = drawTiles;
tiles->drawable.free = freeTiles;
for(unsigned char x = 0; x < width; x++) {
for(unsigned char y = 0; y < height; y++) {
unsigned int index = x * height + y;
tiles->vertices[4 * index + 0].position[0] = x;
tiles->vertices[4 * index + 0].position[1] = y;
tiles->vertices[4 * index + 0].uv[0] = 0;
tiles->vertices[4 * index + 0].uv[1] = 0;
tiles->vertices[4 * index + 1].position[0] = x + 1;
tiles->vertices[4 * index + 1].position[1] = y;
tiles->vertices[4 * index + 1].uv[0] = 1;
tiles->vertices[4 * index + 1].uv[1] = 0;
tiles->vertices[4 * index + 2].position[0] = x;
tiles->vertices[4 * index + 2].position[1] = y + 1;
tiles->vertices[4 * index + 2].uv[0] = 0;
tiles->vertices[4 * index + 2].uv[1] = 1;
tiles->vertices[4 * index + 3].position[0] = x + 1;
tiles->vertices[4 * index + 3].position[1] = y + 1;
tiles->vertices[4 * index + 3].uv[0] = 1;
tiles->vertices[4 * index + 3].uv[1] = 1;
tiles->triangles[2 * index + 0].indices[0] = 4 * index + 1;
tiles->triangles[2 * index + 0].indices[1] = 4 * index + 3;
tiles->triangles[2 * index + 0].indices[2] = 4 * index + 0;
tiles->triangles[2 * index + 1].indices[0] = 4 * index + 3;
tiles->triangles[2 * index + 1].indices[1] = 4 * index + 2;
tiles->triangles[2 * index + 1].indices[2] = 4 * index + 0;
}
}
glGenVertexArrays(1, &tiles->vertexArrayObject);
glBindVertexArray(tiles->vertexArrayObject);
glEnableVertexAttribArray(SHOVELER_SHADER_PROGRAM_ATTRIBUTE_POSITION);
glEnableVertexAttribArray(SHOVELER_SHADER_PROGRAM_ATTRIBUTE_UV);
glVertexAttribFormat(SHOVELER_SHADER_PROGRAM_ATTRIBUTE_POSITION, 2, GL_UNSIGNED_BYTE, GL_FALSE, offsetof(TilesVertex, position));
glVertexAttribFormat(SHOVELER_SHADER_PROGRAM_ATTRIBUTE_UV, 2, GL_UNSIGNED_BYTE, GL_FALSE, offsetof(TilesVertex, uv));
glVertexAttribBinding(SHOVELER_SHADER_PROGRAM_ATTRIBUTE_POSITION, 0);
glVertexAttribBinding(SHOVELER_SHADER_PROGRAM_ATTRIBUTE_UV, 0);
glGenBuffers(1, &tiles->vertexBuffer);
glGenBuffers(1, &tiles->indexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, tiles->vertexBuffer);
glBufferData(GL_ARRAY_BUFFER, 4 * width * height * sizeof(TilesVertex), tiles->vertices, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, tiles->indexBuffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, 2 * width * height * sizeof(TilesTriangle), tiles->triangles, GL_STATIC_DRAW);
if(!shovelerOpenGLCheckSuccess()) {
freeTiles(&tiles->drawable);
return NULL;
}
return &tiles->drawable;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL43_nglVertexAttribFormat(JNIEnv *env, jclass clazz, jint attribindex, jint size, jint type, jboolean normalized, jint relativeoffset, jlong function_pointer) {
glVertexAttribFormatPROC glVertexAttribFormat = (glVertexAttribFormatPROC)((intptr_t)function_pointer);
glVertexAttribFormat(attribindex, size, type, normalized, relativeoffset);
}
bool StaticMesh::loadFromFile(const std::string& infile)
{
Assimp::Importer imp;
// Load scene and grab first mesh only
imp.SetPropertyInteger(AI_CONFIG_PP_SBP_REMOVE,
aiPrimitiveType_LINE |
aiPrimitiveType_POINT |
aiPrimitiveType_POLYGON, nullptr);
#ifdef DEBUG
std::cout << "Calling Assimp::Importer::ReadFile...\n";
#endif // DEBUG
const aiScene *scene = imp.ReadFile(infile, aiProcessPreset_TargetRealtime_Quality
& (!aiProcess_SplitLargeMeshes));
#ifdef DEBUG
std::cout << "Checking for a mesh...\n";
#endif // DEBUG
if(scene == nullptr)
return false;
else if(!scene->HasMeshes())
return false;
imp.ApplyPostProcessing(aiProcess_JoinIdenticalVertices);
// Will only load one mesh
const aiMesh *mesh = scene->mMeshes[0];
#ifdef DEBUG
std::cout << "Checking mesh has what we need...\n";
#endif // DEBUG
// Don't process special mesh types
if(!mesh->HasPositions() ||
!mesh->HasFaces())
return false;
vertexCount = mesh->mNumVertices;
triangleCount = mesh->mNumFaces;
// Check what attributes are in the mesh and
// calculate total count of floats
std::size_t componentCount = components.vertex = 3;
if(mesh->HasNormals())
{
componentCount += components.normal = 3;
#ifdef DEBUG
std::cout << "Has normals\n";
#endif // DEBUG
}
if(mesh->HasTangentsAndBitangents())
{
componentCount += (components.tangentBitangent = 3) * 2;
#ifdef DEBUG
std::cout << "Has tangents and bitangents\n";
#endif // DEBUG
}
if(mesh->HasTextureCoords(0))
{
componentCount += components.texture = 3;
#ifdef DEBUG
std::cout << "Has texture coordinates\n";
#endif // DEBUG
}
// Scale size for size of float
std::size_t totalSize = componentCount * sizeof(float) * vertexCount;
#ifdef DEBUG
std::cout << totalSize << std::endl;
std::cout << "Allocating and mapping vertex buffer...\n";
#endif // DEBUG
// Set size and map buffer
glBindBuffer(GL_ARRAY_BUFFER, buffer);
glBufferData(GL_ARRAY_BUFFER, totalSize, nullptr, GL_STATIC_DRAW);
GLfloat *mapPtr = (GLfloat*) glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
// glNamedBufferDataEXT(buffer, totalSize, nullptr, GL_STATIC_DRAW);
// GLfloat *mapPtr = (GLfloat*) glMapNamedBufferEXT(buffer, GL_WRITE_ONLY);
if(mapPtr == nullptr)
return false;
#ifdef DEBUG
std::cout << "Worked!\n";
#endif // DEBUG
// Load all attributes into mapped buffer
for(unsigned int i = 0; i < vertexCount; ++i)
{
GLfloat *head = mapPtr + i * componentCount;
*head++ = mesh->mVertices[i].x;
*head++ = mesh->mVertices[i].y;
*head++ = mesh->mVertices[i].z;
if(mesh->HasNormals())
{
*head++ = mesh->mNormals[i].x;
*head++ = mesh->mNormals[i].y;
*head++ = mesh->mNormals[i].z;
}
if(mesh->HasTextureCoords(0))
{
*head++ = mesh->mTextureCoords[0][i].x;
*head++ = mesh->mTextureCoords[0][i].y;
*head++ = mesh->mTextureCoords[0][i].z;
}
if(mesh->HasTangentsAndBitangents())
{
*head++ = mesh->mTangents[i].x;
*head++ = mesh->mTangents[i].y;
*head++ = mesh->mTangents[i].z;
*head++ = mesh->mBitangents[i].x;
*head++ = mesh->mBitangents[i].y;
*head++ = mesh->mBitangents[i].z;
}
}
if(!glUnmapBuffer(GL_ARRAY_BUFFER))
return false;
#ifdef DEBUG
std::cout << "Allocating and mapping index buffer...\n";
#endif // DEBUG
// Same for index buffer
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indices);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, triangleCount*3*sizeof(GLshort), nullptr, GL_STATIC_DRAW);
GLushort *indexMapPtr = (GLushort*) glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
// glNamedBufferDataEXT(indices, triangleCount * 3 * sizeof(GLushort), nullptr, GL_STATIC_DRAW);
// GLushort *indexMapPtr = (GLushort*) glMapNamedBufferEXT(indices, GL_WRITE_ONLY);
if(indexMapPtr == nullptr)
return false;
#ifdef DEBUG
std::cout << "Worked!\n";
#endif // DEBUG
for(unsigned int i = 0; i < triangleCount; ++i)
{
#ifdef DEBUG
assert(mesh->mFaces[i].mNumIndices == 3);
#endif // DEBUG
unsigned int *indexArray = mesh->mFaces[i].mIndices;
for(unsigned int j = 0; j < 3; ++j)
{
#ifdef DEBUG
assert(*indexArray <= std::numeric_limits<GLushort>::max());
#endif // DEBUG
*indexMapPtr++ = *indexArray++;
}
}
if(!glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER))
return false;;
#ifdef DEBUG
std::cout << "Loading mesh successful!\n";
std::cout << "Setting up vertex array...\n";
#endif // DEBUG
glBindVertexArray(vertexArray);
glBindVertexBuffer(0, buffer, 0, (components.vertex +
components.normal +
components.texture +
components.tangentBitangent * 2)
* sizeof(GLfloat));
glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(0, 0);
glEnableVertexAttribArray(0);
if(components.normal)
{
glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, components.vertex * sizeof(float));
glVertexAttribBinding(1, 0);
glEnableVertexAttribArray(1);
}
if(components.texture)
{
glVertexAttribFormat(2, 3, GL_FLOAT, GL_FALSE, (components.vertex +
components.normal) * sizeof(float));
glVertexAttribBinding(2, 0);
glEnableVertexAttribArray(2);
}
if(components.tangentBitangent)
{
glVertexAttribFormat(3, 3, GL_FLOAT, GL_FALSE, (components.vertex +
components.normal +
components.texture) * sizeof(float));
glVertexAttribBinding(3, 0);
glEnableVertexAttribArray(3);
glVertexAttribFormat(4, 3, GL_FLOAT, GL_FALSE, (components.vertex +
components.normal +
components.texture +
components.tangentBitangent) * sizeof(float));
glVertexAttribBinding(4, 0);
glEnableVertexAttribArray(4);
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indices);
glBindVertexArray(0);
#ifdef DEBUG
std::cout << vertexCount << ' ' << triangleCount << std::endl;
std::cout << +components.vertex << ' ';
std::cout << +components.normal << ' ';
std::cout << +components.texture << ' ';
std::cout << +components.tangentBitangent << std::endl;
#endif // DEBUG
return true;
}
int main()
{
int w, h, c;
unsigned char *datum = SOIL_load_image("materials/ok.jpg", &w, &h, &c, SOIL_LOAD_RGBA);
GlRunner *runner = new GlRunner(RenderCB, w, h);
GLuint VS = runner->BuildShaderProgram("shaders/quad.vert", GL_VERTEX_SHADER);
GLuint FS = runner->BuildShaderProgram("shaders/cartoonify.frag", GL_FRAGMENT_SHADER);
GLuint PPO = runner->BuildProgramPipeline();
glUseProgramStages(PPO, GL_FRAGMENT_SHADER_BIT, FS);
glUseProgramStages(PPO, GL_VERTEX_SHADER_BIT, VS);
glProgramUniform1i(FS, glGetUniformLocation(FS, "tColor2D"), 0);
GLfloat pos_buf[] = {
-1.0, 1.0,
1.0, 1.0,
-1.0, -1.0,
1.0, -1.0,
};
GLuint posVBO;
glGenBuffers(1, &posVBO);
glBindBuffer(GL_ARRAY_BUFFER, posVBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(pos_buf), pos_buf, GL_STATIC_DRAW);
GLfloat texc_buf[] = {
0.0, 0.0,
1.0, 0.0,
0.0, 1.0,
1.0, 1.0,
};
GLuint TexcVBO;
glGenBuffers(1, &TexcVBO);
glBindBuffer(GL_ARRAY_BUFFER, TexcVBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(texc_buf), texc_buf, GL_DYNAMIC_DRAW);
GLuint VAO;
glGenVertexArrays(1, &VAO);
glBindVertexArray(VAO);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glVertexAttribFormat(0, 2, GL_FLOAT, GL_FALSE, 0);
glVertexAttribFormat(1, 2, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(0, 0);
glVertexAttribBinding(1, 1);
glBindVertexBuffer(0, posVBO, 0, 2*sizeof(GLfloat));
glBindVertexBuffer(1, TexcVBO, 0, 2*sizeof(GLfloat));
GLuint srcTexObj;
glGenTextures(1, &srcTexObj);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, srcTexObj);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, datum);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
runner->OnRender();
return 0;
}
/**
* TODO: Test if you can pass a NULL mesh to Geometry.
*/
RenderableGeometry *renderableGeometryNew(Geometry geometry)
{
RenderableGeometry *renderableGeometry = malloc(sizeof(RenderableGeometry));
renderableGeometry->indices = 0;
renderableGeometry->aabb.min = vec3(0.0f, 0.0f, 0.0f);
renderableGeometry->aabb.max = vec3(0.0f, 0.0f, 0.0f);
glGenVertexArrays(1, &renderableGeometry->vao);
glGenBuffers(4, renderableGeometry->vbo);
Mesh *mesh = NULL;
if (geometry.type == GEOMETRY_MESH) {
mesh = geometry.mesh;
} else if (geometry.type == GEOMETRY_PLANE) {
// Generate mesh
} else if (geometry.type == GEOMETRY_CUBE) {
// Generate mesh
} else if (geometry.type == GEOMETRY_SPHERE) {
// Generate mesh
} else if (geometry.type == GEOMETRY_CAPSULE) {
// Generate mesh
} else if (geometry.type == GEOMETRY_CYLINDER) {
// Generate mesh
} else if (geometry.type == GEOMETRY_RAY) {
// Generate mesh
}
if (mesh != NULL) {
renderableGeometry->indices = (GLsizei)mesh->indices.length;
/**
* Define VAO.
*/
glBindVertexArray(renderableGeometry->vao);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glEnableVertexAttribArray(2);
glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0);
glVertexAttribFormat(1, 2, GL_FLOAT, GL_FALSE, 0);
glVertexAttribFormat(2, 3, GL_FLOAT, GL_FALSE, 0);
/**
* Define VBOs.
*/
if (mesh->vertices.length > 0) {
glBindBuffer(GL_ARRAY_BUFFER, renderableGeometry->vbo[0]);
glBufferStorage(GL_ARRAY_BUFFER, mesh->vertices.length * sizeof(Vec3), (float*)mesh->vertices.data, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
}
if (mesh->uvs.length > 0) {
glBindBuffer(GL_ARRAY_BUFFER, renderableGeometry->vbo[1]);
glBufferStorage(GL_ARRAY_BUFFER, mesh->uvs.length * sizeof(Vec2), (float*)mesh->uvs.data, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
}
if (mesh->normals.length > 0) {
glBindBuffer(GL_ARRAY_BUFFER, renderableGeometry->vbo[2]);
glBufferStorage(GL_ARRAY_BUFFER, mesh->normals.length * sizeof(Vec3), (float*)mesh->normals.data, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
}
if (mesh->indices.length > 0) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, renderableGeometry->vbo[3]);
glBufferStorage(GL_ELEMENT_ARRAY_BUFFER, mesh->indices.length * sizeof(unsigned), (unsigned*)mesh->indices.data, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
}
glBindVertexBuffer(0, renderableGeometry->vbo[0], 0, sizeof(Vec3));
glBindVertexBuffer(1, renderableGeometry->vbo[1], 0, sizeof(Vec2));
glBindVertexBuffer(2, renderableGeometry->vbo[2], 0, sizeof(Vec3));
/**
* Unbind.
*/
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
}
return renderableGeometry;
}