void AFK_3DEdgeShapeBase::initGL()
{
bool needBufferPush = (bufs == nullptr);
if (needBufferPush)
{
bufs = new GLuint[2];
glGenBuffers(2, bufs);
}
glBindBuffer(GL_ARRAY_BUFFER, bufs[0]);
if (needBufferPush)
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(Vec2<float>), &vertices[0], GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufs[1]);
if (needBufferPush)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned short), &indices[0], GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(Vec2<float>), 0);
/* Overlap works based on squares of 2 triangles. Since I
* want to be able to cull in pairs, I'm going to use
* triangle strips with primitive restart as my base
* geometry type.
*/
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(RESTART_INDEX);
}
void Geometry::construct()
{
GLenum error = glGetError();
constructed = true;
glGenVertexArrays(1, &vaid);
error = glGetError();
glGenBuffers(1, &vbid);
error = glGetError();
glGenBuffers(1, &ibid);
error = glGetError();
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(-1);
glBindVertexArray(vaid);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibid);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(GLuint) * indexCount, indexValueBuffer, GL_STATIC_DRAW);
error = glGetError();
glBindBuffer(GL_ARRAY_BUFFER, vbid);
glBufferData(GL_ARRAY_BUFFER, sizeof(float) * vertexCount, vertexValueBuffer, GL_STATIC_DRAW);
error = glGetError();
glEnableVertexAttribArray(ATTR_POS);
glEnableVertexAttribArray(ATTR_COLOR);
glEnableVertexAttribArray(ATTR_TEX_COORDS);
error = glGetError();
glVertexAttribPointer(ATTR_POS, 3, GL_FLOAT, false, 8*sizeof(GLfloat), 0);
glVertexAttribPointer(ATTR_COLOR, 3, GL_FLOAT, false, 8*sizeof(GLfloat), (GLvoid*) (3*sizeof(GLfloat)));
glVertexAttribPointer(ATTR_TEX_COORDS, 2, GL_FLOAT, false, 8*sizeof(GLfloat), (GLvoid*) (6*sizeof(GLfloat)));
error = glGetError();
glBindVertexArray(0);
}
virtual void render(bool use_vbo) const
{
VL_CHECK(GLEW_VERSION_1_4);
VL_CHECK(!use_vbo || (use_vbo && (GLEW_ARB_vertex_buffer_object||GLEW_VERSION_1_5||GLEW_VERSION_3_0)))
use_vbo &= GLEW_ARB_vertex_buffer_object||GLEW_VERSION_1_5||GLEW_VERSION_3_0; // && indices()->gpuBuffer()->handle() && indices()->sizeGPU();
if ( !use_vbo && !indices()->size() )
return;
// apply patch parameters if any and if using PT_PATCHES
applyPatchParameters();
// primitive restart enable
if(primitiveRestartEnabled())
{
if(GLEW_VERSION_3_1)
{
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(primitiveRestartIndex());
}
else
if(GLEW_NV_primitive_restart)
{
glEnable(GL_PRIMITIVE_RESTART_NV);
glPrimitiveRestartIndexNV(primitiveRestartIndex());
}
else
{
vl::Log::error("MultiDrawElements error: primitive restart not supported by this OpenGL implementation!\n");
VL_TRAP();
return;
}
}
GLvoid **indices_ptr = (GLvoid**)&mPointerVector[0];
if (use_vbo && indices()->gpuBuffer()->handle())
{
VL_glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indices()->gpuBuffer()->handle());
indices_ptr = (GLvoid**)&mNULLPointerVector[0];
}
else
VL_glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
if (baseVertices().size())
{
VL_CHECK( baseVertices().size() == pointerVector().size() )
VL_CHECK( baseVertices().size() == countVector().size() )
if (GLEW_ARB_draw_elements_base_vertex || GLEW_VERSION_3_1)
glMultiDrawElementsBaseVertex(
primitiveType(), (GLsizei*)&mCountVector[0], indices()->glType(), indices_ptr, (GLsizei)mCountVector.size(), (GLint*)&mBaseVertices[0]
);
else
{
vl::Log::error("MultiDrawElements::render(): glMultiDrawElementsBaseVertex() not supported!\n"
"OpenGL 3.1 or GL_ARB_draw_elements_base_vertex extension required.\n"
);
}
}
void PCPUploadRenderer::renderParallelCoordinates() {
std::shared_ptr<const ParallelCoordinatesPlotRawData> data = _inport.getData();
int nDimensions = data->minMax.size();
int nValues = data->data.size();
utilgl::GlBoolState depthTest(GL_DEPTH_TEST, !_depthTesting);
utilgl::BlendModeEquationState blendEquation(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_FUNC_ADD);
utilgl::GlBoolState lineSmooth(GL_LINE_SMOOTH, _lineSmoothing);
if (_lineSmoothing)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
_shader.activate();
_shader.setUniform("_nDimensions", nDimensions);
_shader.setUniform("_nData", nValues / nDimensions);
_shader.setUniform("_horizontalBorder", _horizontalBorder);
_shader.setUniform("_verticalBorder", _verticalBorder);
_shader.setUniform("_depthTesting", !_depthTesting);
_shader.setUniform("_alphaFactor", _alphaFactor);
TextureUnit tfUnit;
utilgl::bindTexture(_transFunc, tfUnit);
_shader.setUniform("_transFunc", tfUnit.getUnitNumber());
glBindVertexArray(_vao);
bool hasColoringData = _coloringData.hasData() && _coloringData.getData()->hasData;
_shader.setUniform("_hasColoringData", hasColoringData);
if (hasColoringData) {
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, _coloringData.getData()->ssboColor);
}
//glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, data->ssboData);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, _dimensionOrderingBuffer);
//for (int i = 0; i < nValues / nDimensions; ++i) {
// glDrawElements(GL_LINE_STRIP, nDimensions, )
//}
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(PRIM_RESTART);
glDrawElements(GL_LINE_STRIP, nValues / nDimensions, GL_UNSIGNED_INT, _drawElements);
glDisable(GL_PRIMITIVE_RESTART);
//glDrawArrays(GL_LINE_STRIP, 0, nValues);
//glMultiDrawArrays(GL_LINE_STRIP, _multiDrawIndices, _multiDrawCount, nValues / nDimensions);
//glDrawArraysInstanced(GL_LINE_STRIP, 0, data->nDimensions, data->nValues / data->nDimensions);
glBindVertexArray(0);
_shader.deactivate();
}
void restart_strip( Mesh& m )
{
m.indices.push_back(~0u); // ~0u plus grand entier non signe representable
#if 1
glPrimitiveRestartIndex(~0u);
glEnable(GL_PRIMITIVE_RESTART);
#else
glEnable(GL_PRIMITIVE_RESTART_FIXED_INDEX); // n'existe pas sur mac ?!
#endif
}
static void
enable_restart(GLuint restart_index)
{
if (TestGL31) {
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(restart_index);
}
else {
glEnableClientState(GL_PRIMITIVE_RESTART_NV);
glPrimitiveRestartIndexNV(restart_index);
}
}
void CRasterTerrainModel::Render() const
{
//glColor3f(1.0f, 0.0f, 0.0f);
if (glPrimitiveRestartIndex == nullptr) {
GLenum glew_err = glewInit();
if (glew_err != GLEW_NO_ERROR) {
std::cout << "failed to initialize opengl extension wrapper: " << (const char*)glewGetErrorString(glew_err) << std::endl;
return;
}
}
glEnable(GL_POLYGON_OFFSET_FILL);
glEnable(GL_POLYGON_OFFSET_LINE);
glPolygonOffset(1.0, 1.0);
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(UINT_MAX);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
//reset number of rendered triangles
mNumberOfRenderedTriangles = 0;
std::vector<Patch*>::const_iterator itr, itre = mActivePatches.end();
for (itr = mActivePatches.begin(); itr != itre; ++itr) {
Patch* p = (*itr);
//compute id
uint hlv = p->neigbor[0] ? p->neigbor[0]->tessLevel : 0;
uint vlv = p->neigbor[1] ? p->neigbor[1]->tessLevel : 0;
uint cid = p->GetCIndex();
uint tessID = vlv + hlv*mTessLevels + cid*(mTessLevels*mTessLevels);
glBindBuffer(GL_ARRAY_BUFFER, p->glbuf);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mTessellationIBOs[tessID]);
glVertexPointer(3, GL_FLOAT, sizeof(CRasterTerrainModel::Vertex), 0);
glNormalPointer(GL_FLOAT, sizeof(CRasterTerrainModel::Vertex), (void*)12);
//glDrawArrays(GL_POINTS, 0, static_cast<GLsizei>((*itr)->vbuf.size()));
glDrawElements(GL_TRIANGLE_STRIP, static_cast<GLsizei>(mTessellationIBufs[tessID].size()), GL_UNSIGNED_INT, 0);
//count number of rendered triangles
mNumberOfRenderedTriangles += static_cast<unsigned int>(mTessellationIBufs[tessID].size());
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDisableClientState(GL_NORMAL_ARRAY);
glDisable(GL_PRIMITIVE_RESTART);
glDisable(GL_POLYGON_OFFSET_LINE);
glDisable(GL_POLYGON_OFFSET_FILL);
}
///////////////////////////////////////////////////////////////////////////////
// Function Name: display
//
// Purpose: GLUT display callback.
//
// INPUTS: None.
//
// OUTPUTS: None.
//
///////////////////////////////////////////////////////////////////////////////
void display()
{
float t = float(GetTickCount() & 0x1FFF) / float(0x1FFF);
const vmath::vec3 Y(0.0f, 1.0f, 0.0f);
const vmath::vec3 Z(0.0f, 0.0f, 1.0f);
// Setup
glEnable(GL_CULL_FACE);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Activate simple shading program
glUseProgram(shader_prog);
// Set up the model and projection matrix
vmath::mat4 model_matrix(vmath::translate(0.0f, 0.0f, -5.0f) *
vmath::rotate(t * 360.0f, Y) *
vmath::rotate(t * 720.0f, Z));
vmath::mat4 projection_matrix(vmath::frustum(-1.0f, 1.0f, -aspect,
aspect, 1.0f, 20.0f));
glUniformMatrix4fv(model_matrix_loc, 1, GL_FALSE, model_matrix);
glUniformMatrix4fv(projection_matrix_loc, 1, GL_FALSE, projection_matrix);
// Set up for a glDrawElements call
glBindVertexArray(vao);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
#ifdef USE_PRIMITIVE_RESTART
// When primitive restart is on, we can call one draw command
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(0xFFFF);
glDrawElements(GL_TRIANGLE_STRIP, 17, GL_UNSIGNED_SHORT, BUFFER_OFFSET(0));
#else
// Without primitive restart, we need to call two draw commands
glDrawElements(GL_TRIANGLE_STRIP, 8, GL_UNSIGNED_SHORT, BUFFER_OFFSET(0));
glDrawElements(GL_TRIANGLE_STRIP, 8, GL_UNSIGNED_SHORT,
BUFFER_OFFSET(9 * sizeof(GLushort)));
#endif
glDisable(GL_CULL_FACE);
glUseProgram(0);
glutSwapBuffers();
}
void CHeightMap::Render()
{
ProgramTerrain.Use();
ProgramTerrain.SetUniform("fRenderHeight", RenderScale.y);
ProgramTerrain.SetUniform("fMaxTextureU", float(cols)*0.1f);
ProgramTerrain.SetUniform("fMaxTextureV", float(rows)*0.1f);
ProgramTerrain.SetUniform("HeightmapScaleMatrix", RenderScaleMatrix);
ProgramTerrain.SetUniform("NormalScaleMatrix", NormalScaleMatrix);
glBindVertexArray(vao);
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(rows*cols);
int NumIndices = (rows - 1) * cols * 2 + rows - 1;
glDrawElements(GL_TRIANGLE_STRIP, NumIndices, GL_UNSIGNED_INT, 0);
}
void C4ParticleList::Draw(C4TargetFacet cgo, C4Object *obj)
{
if (particleChunks.empty()) return;
pDraw->DeactivateBlitModulation();
pDraw->ResetBlitMode();
glPrimitiveRestartIndex(0xffffffff);
glEnable(GL_PRIMITIVE_RESTART);
// enable shader
C4ShaderCall call(pGL->GetSpriteShader(true, false, false));
// apply zoom and upload shader uniforms
StdProjectionMatrix modelview = StdProjectionMatrix::Identity();
pGL->SetupMultiBlt(call, NULL, 0, 0, 0, 0, &modelview);
// go to correct output position (note the normal matrix is unaffected
// by this)
Translate(modelview, cgo.X-cgo.TargetX, cgo.Y-cgo.TargetY, 0.0f);
// allocate texture unit for particle texture, and remember allocated
// texture unit. Will be used for each particle chunk to bind
// their texture to this unit.
const GLint texUnit = call.AllocTexUnit(C4SSU_BaseTex);
accessMutex.Enter();
for (std::list<C4ParticleChunk*>::iterator iter = particleChunks.begin(); iter != particleChunks.end(); )
{
if ((*iter)->IsEmpty())
{
delete *iter;
iter = particleChunks.erase(iter);
lastAccessedChunk = 0;
}
else
{
(*iter)->Draw(cgo, obj, call, texUnit, modelview);
++iter;
}
}
accessMutex.Leave();
glDisable(GL_PRIMITIVE_RESTART);
}
void Water::constructGrid() {
const double STEP = (1.0 / GRID_SIZE) * 2.0;
// construct vertices grid
Point points [GRID_SIZE + 1][GRID_SIZE + 1];
Point point;
point.y = 1.0f;
int currentIndice = 0;
point.indice = currentIndice;
for (int row = 0; row <= GRID_SIZE; ++row) {
point.x = -1.0f;
for (int col = 0; col <= GRID_SIZE; ++col) {
points[row][col] = point;
_vertices.push_back(point.x);
_vertices.push_back(point.y);
point.x = point.x + STEP;
point.y = point.y;
currentIndice = currentIndice + 1;
point.indice = currentIndice;
}
point.y = point.y - STEP;
}
// bind triangles
int primitive_restart_idx = 0xffffffff;
glPrimitiveRestartIndex(primitive_restart_idx);
glEnable(GL_PRIMITIVE_RESTART);
for (int row = 0; row <= GRID_SIZE - 1 ; ++row ) {
for (int col = 0; col <= GRID_SIZE; ++col) {
Point point;
point = points[row][col];
_indices.push_back(point.indice);
point = points[row + 1][col];
_indices.push_back(point.indice);
if (col == GRID_SIZE) {
_indices.push_back(primitive_restart_idx);
point = points[row + 1][0];
_indices.push_back(point.indice);
}
}
}
}
static void
draw_pattern(int restart_pos, bool use_primitive_restart)
{
/* Draw test pattern in blue */
glUniform4f(color_loc, 0.25, 0.25, 1.0, 1.0);
if (use_primitive_restart) {
GLubyte index_buffer[NUM_VERTICES + 1];
int i;
for (i = 0; i < restart_pos; i++) {
index_buffer[i] = i;
}
index_buffer[restart_pos] = 0xff;
for (i = restart_pos + 1; i < ARRAY_SIZE(index_buffer); i++) {
index_buffer[i] = i - 1;
}
if (piglit_get_gl_version() >= 31) {
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(0xff);
} else {
glEnableClientState(GL_PRIMITIVE_RESTART_NV);
glPrimitiveRestartIndexNV(0xff);
}
glDrawElements(test->prim_type, ARRAY_SIZE(index_buffer),
GL_UNSIGNED_BYTE, index_buffer);
if (piglit_get_gl_version() >= 31)
glDisable(GL_PRIMITIVE_RESTART);
else
glDisableClientState(GL_PRIMITIVE_RESTART_NV);
} else {
glDrawArrays(test->prim_type, 0, restart_pos);
glDrawArrays(test->prim_type, restart_pos,
NUM_VERTICES - restart_pos);
}
if (test->prim_type != GL_POINTS) {
/* Draw vertices in white */
glUniform4f(color_loc, 1.0, 1.0, 1.0, 1.0);
glDrawArrays(GL_POINTS, 0, NUM_VERTICES);
}
}
void initGl() {
RiftGlfwApp::initGl();
glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(UINT_MAX);
glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
program = GlUtils::getProgram(
Resource::SHADERS_TEXTURED_VS,
Resource::SHADERS_TEXTURED_FS);
program->use();
DistortionHelper distortionHelper(ovrHmdInfo);
// Load scene textures and generate distortion meshes
for_each_eye([&](StereoEye eye){
GlUtils::getImageAsTexture(textures[eye], SCENE_IMAGES[eye]);
distortionGeometry[eye] = distortionHelper.createDistortionMesh(glm::uvec2(64, 64), eye);
});
}
void render_room(glm::mat4 MVP)
{
glm::mat4 P = camera.P;
glm::mat4 V = camera.V;
static float angle = 0.0f;
angle += 100.0f;
if (angle > 360.0f) angle -= 360.0f;
glFrontFace(GL_CW);
glUseProgram(h_prog_room);
glActiveTexture(GL_TEXTURE0 + tex_unit);
glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
glBindVertexArray(vao_room);
glEnable(GL_PRIMITIVE_RESTART);
glUniformMatrix4fv(glGetUniformLocation(h_prog_room, "MVP"), 1, GL_FALSE, glm::value_ptr(P*V));
glPrimitiveRestartIndex(0xFFFF);
glDrawElements(GL_TRIANGLE_STRIP, 17, GL_UNSIGNED_SHORT, BUFFER_OFFSET(0));
glDisable(GL_PRIMITIVE_RESTART);
glFrontFace(GL_CCW);
//glUseProgram(h_prog_cubemap);
//glActiveTexture(GL_TEXTURE0 + tex_unit);
//glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
//glm::mat4 M = glm::rotate(glm::mat4(1.0f), angle, glm::vec3(0.0f, 1.0f, 0.0f));
////glUniformMatrix4fv(glGetUniformLocation(h_prog_cubemap, "MVP"), 1, GL_FALSE, glm::value_ptr(P*V*M));
////glUniformMatrix4fv(glGetUniformLocation(h_prog_cubemap, "MV"), 1, GL_FALSE, glm::value_ptr(V*M));
////glUniformMatrix3fv(glGetUniformLocation(h_prog_cubemap, "M_normal"), 1, GL_FALSE, glm::value_ptr(glm::mat3(V*M)));
//glUniformMatrix4fv(glGetUniformLocation(h_prog_cubemap, "MVP"), 1, GL_FALSE, glm::value_ptr(MVP));
}
/**
* Simulate the action of the 3 geometry shader invocations by making
* 3 glDrawElements() calls. Primitive restart is used to simulate
* the action of EndPrimitive().
*/
static void
draw_ref_pattern()
{
int i, vertex_count, end_prim_offset;
glUseProgram(prog_ref);
glUniform1i(glGetUniformLocation(prog_ref, "num_vertices"),
num_vertices);
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(0xffffffff);
for (end_prim_offset = 0; end_prim_offset < 3; end_prim_offset++) {
/* Note: this over-allocates the buffer somewhat. The
* actual amount of buffer space we need is a complex
* formula involving num_vertices and end_prim_offset,
* and it's not worth computing precisely.
*/
GLuint *index_buffer =
malloc(2 * sizeof(GLuint) * num_vertices);
i = vertex_count = 0;
while (true) {
if (i % 3 == end_prim_offset)
index_buffer[vertex_count++] = 0xffffffff;
if (i == num_vertices)
break;
index_buffer[vertex_count++] = i++;
}
glUniform1i(glGetUniformLocation(prog_ref, "end_prim_offset"),
end_prim_offset);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
sizeof(GLuint) * vertex_count, index_buffer,
GL_STATIC_DRAW);
free(index_buffer);
glDrawElements(GL_TRIANGLE_STRIP, vertex_count,
GL_UNSIGNED_INT, NULL);
}
glDisable(GL_PRIMITIVE_RESTART);
}
ImageGL::ImageGL(unsigned int nDispWidth,
unsigned int nDispHeight,
unsigned int nTexWidth,
unsigned int nTexHeight,
bool bVsync,
PixelFormat ePixelFormat)
: nWidth_(nDispWidth)
, nHeight_(nDispHeight)
, nTexWidth_(nTexWidth)
, nTexHeight_(nTexHeight)
, e_PixFmt_(ePixelFormat)
, bVsync_(bVsync)
, bIsCudaResource_(false)
{
int nFrames = bVsync_ ? 3 : 1;
glGenBuffersARB(nFrames, gl_pbo_);
for (int n=0; n < nFrames; n++)
{
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, gl_pbo_[n]);
glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB, nTexWidth*nTexHeight*4, NULL, GL_STREAM_DRAW_ARB);
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
registerAsCudaResource(n);
}
// create texture for display
glGenTextures(nFrames, gl_texid_);
// setup the Texture filtering mode
setTextureFilterMode(GL_NEAREST, GL_NEAREST);
// load gl_shader_ program
gl_shader_ = compile_glsl_shader(GL_FRAGMENT_PROGRAM_ARB, gl_shader_code);
glPrimitiveRestartIndex(65535);
glEnable(GL_PRIMITIVE_RESTART);
}
Tile::Tile(GLuint shader_id, int x, int z)
{
glGenVertexArrays(1, &vao);
glGenBuffers(1, &vbo);
glGenBuffers(1, &ebo);
glBindVertexArray(vao);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
GLuint posAttrib = glGetAttribLocation(shader_id, "position_model");
GLuint norAttrib = glGetAttribLocation(shader_id, "normal_model");
GLuint texAttrib = glGetAttribLocation(shader_id, "texcoord");
GLuint colAttrib = glGetAttribLocation(shader_id, "color");
glEnableVertexAttribArray(posAttrib);
glEnableVertexAttribArray(norAttrib);
glEnableVertexAttribArray(texAttrib);
glEnableVertexAttribArray(colAttrib);
glVertexAttribPointer(posAttrib, 3, GL_FLOAT, GL_FALSE, 11*sizeof(float), 0 );
glVertexAttribPointer(norAttrib, 3, GL_FLOAT, GL_FALSE, 11*sizeof(float), (void*)(3*sizeof(float)));
glVertexAttribPointer(texAttrib, 2, GL_FLOAT, GL_FALSE, 11*sizeof(float), (void*)(6*sizeof(float)));
glVertexAttribPointer(colAttrib, 3, GL_FLOAT, GL_FALSE, 11*sizeof(float), (void*)(8*sizeof(float)));
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex((TILE_SIZE+1)*(TILE_SIZE+1)+TILE_SIZE);
reload_vbo = false;
reload_ebo = false;
needs_rebuild = false;
needs_gen = true;
show = false;
lod(0);
set_xz(x,z);
update_vertices();
update_indices();
}
void Renderer::init()
{
#ifdef OCULUSVR
initOVR();
#endif
SDL_GL_SetSwapInterval(1); // vsync
glEnable(GL_DEPTH_TEST);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
//glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1); // the default is 4
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(0xFFFF);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
skyRenderer_.reset(new SkyRenderer());
landRenderer_.reset(new LandRenderer());
structureRenderer_.reset(new StructureRenderer());
modelRenderer_.reset(new ModelRenderer());
landRenderer_->setLightPosition(skyRenderer_->sunVector() * fp_t(1000.0));
}
Grid(int grid_width, int grid_height){
///--- So that we don't have to bother with connectivity data structure!!
int primitive_restart_idx = 0xffffffff;
glPrimitiveRestartIndex(primitive_restart_idx);
glEnable(GL_PRIMITIVE_RESTART);
int skip = 1;
///--- Vertices
for (int row = 0; row < grid_height; row+=skip) {
for (int col = 0; col < grid_width; col+=skip) {
Scalar x = col;
Scalar y = row;
vertices.push_back(x); /// i [0...width]
vertices.push_back(y); /// y [0...height]
}
}
///--- TexCoords
for (int row = 0; row < grid_height; row+=skip) {
for (int col = 0; col < grid_width; col+=skip) {
Scalar x = col/((Scalar)grid_width);
Scalar y = row/((Scalar)grid_height);
texcoords.push_back(x); /// u [0,1]
texcoords.push_back(y); /// v [0,1]
}
}
///--- Faces
for (int row = 0; row < grid_height - 1; row+=skip) {
for (int col = 0; col < grid_width; col+=skip) {
indices.push_back((row + 1) * grid_width + col);
indices.push_back(row * grid_width + col);
}
indices.push_back(primitive_restart_idx);
}
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glUseProgram(program);
GLint model_matrix_loc = glGetUniformLocation(program, "model_matrix");
GLint projection_matrix_loc = glGetUniformLocation(program, "projection_matrix");
float t = float(GetTickCount() & 0x1FFF) / float(0x1FFF);
static float q = 0.0f;
float aspect = 1.0f;
static const vmath::vec3 X(1.0f, 0.0f, 0.0f);
static const vmath::vec3 Y(0.0f, 1.0f, 0.0f);
static const vmath::vec3 Z(0.0f, 0.0f, 1.0f);
vmath::mat4 model_matrix(vmath::translate(0.0f, 0.0f, -5.0f) * vmath::rotate(t * 360.0f, Y) * vmath::rotate(t * 720.0f, Z));
vmath::mat4 projection_matrix(vmath::frustum(-1.0f, 1.0f, -aspect, aspect, 1.0f, 500.0f));
glUniformMatrix4fv(model_matrix_loc, 1, GL_FALSE, model_matrix);
glUniformMatrix4fv(projection_matrix_loc, 1, GL_FALSE, projection_matrix);
glBindVertexArray(VAOs[Triangles]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, Buffers[ElementBuffer]);
#if USE_PRIMITIVE_RESTART
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(0xFFFF);
glDrawElements(GL_TRIANGLE_STRIP, 17, GL_UNSIGNED_SHORT, NULL);
#else
glDrawElements(GL_TRIANGLE_STRIP, 8, GL_UNSIGNED_SHORT, NULL);
glDrawElements(GL_TRIANGLE_STRIP, 8, GL_UNSIGNED_SHORT, BUFFER_OFFSET(9 * sizeof(GLushort)));
#endif
glFlush();
}
void
piglit_init(int argc, char **argv)
{
static const float pos[] = {
-1, -1,
-1, 1,
1, -1,
1, 1,
1, -1,
-1, 1,
};
static const short indices[] = {0, 1, 2, 0xFFFF, 3, 4, 5};
GLuint vao, buf, elem;
piglit_require_gl_version(33);
piglit_require_extension("GL_ARB_ES3_compatibility");
prog = piglit_build_simple_program(vstext, fstext);
glUseProgram(prog);
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glGenBuffers(1, &buf);
glBindBuffer(GL_ARRAY_BUFFER, buf);
glBufferData(GL_ARRAY_BUFFER, sizeof(pos), pos, GL_STATIC_DRAW);
glGenBuffers(1, &elem);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elem);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices,
GL_STATIC_DRAW);
glEnableVertexAttribArray(PIGLIT_ATTRIB_POS);
glVertexAttribPointer(PIGLIT_ATTRIB_POS, 2, GL_FLOAT, 0, 0, NULL);
glEnable(GL_PRIMITIVE_RESTART_FIXED_INDEX);
glPrimitiveRestartIndex(2);
}
void RenderEngineGLIndirect::render( RenderGroupGLHandle groupHandle, const dp::rix::core::RenderOptions& /*renderOptions*/ )
{
// if dirty, update sorted list
RenderGroupGL::ProgramPipelineCaches::iterator glIt;
RenderGroupGL::ProgramPipelineCaches::iterator glIt_end = groupHandle->m_programPipelineCaches.end();
for ( glIt = groupHandle->m_programPipelineCaches.begin(); glIt != glIt_end; ++glIt )
{
ProgramPipelineGLHandle programPipeline = glIt->first;
RenderGroupGLCache* cache = glIt->second.get<RenderGroupGLCache>();
#if RIX_GL_SEPARATE_SHADER_OBJECTS_SUPPORT == 1
glBindProgramPipeline( programPipeline->m_pipelineId );
#else
glUseProgram( programPipeline->m_programs[0]->getProgram()->getGLId() );
#endif
//if ( giList->m_indirectEntries.size() != giList->m_geometryInstances.size())
if ( !cache->m_initialized ) // TODO support changes
{
cache->m_initialized = true;
RenderGroupGLCache::DrawArrayListEntry triangles;
RenderGroupGLCache::DrawArrayListEntry lines;
RenderGroupGLCache::DrawArrayListEntry linesStrips;
//cache->m_indirectEntries.clear();
//cache->m_indirectCommands.clear();
for (size_t index = 0; index < cache->getGeometryInstances().size(); ++index )
{
GeometryInstanceGLHandle gi = cache->getGeometryInstances()[index];
if ( !gi->getGeometry()->getIndices() )
{
switch ( gi->getGeometry()->getGeometryDescription()->getPrimitiveType() )
{
case GeometryPrimitiveType::TRIANGLES:
//drawEntry = &triangles;
addArrayIndirectCommand(gi, triangles);
break;
case GeometryPrimitiveType::LINES:
addArrayIndirectCommand(gi, lines);
break;
case GeometryPrimitiveType::LINE_STRIP:
addArrayIndirectCommand(gi, linesStrips);
break;
default:
assert( 0 && "unsupported primitve types");
}
}
else
{
//addElementIndirectCommand(cache, gi );
}
}
addDrawArrayList( cache, triangles, GL_TRIANGLES);
addDrawArrayList( cache, lines, GL_LINES );
addDrawArrayList( cache, linesStrips, GL_LINE_STRIP );
for ( size_t idx = 0;idx < cache->m_drawElementsList.size(); ++idx )
{
prepareDrawElementsEntry( &cache->m_drawElementsList[idx] );
}
}
// prepare fixed containers
#if 0
GeometryInstanceGLHandle gi = cache->getGeometryInstances()[0];
for ( size_t containerIdx = 0; containerIdx < gi->m_containers.size(); ++containerIdx )
{
// debug info
auto infos = gi->m_containers[containerIdx].container->m_descriptor->m_parameterInfos;
for ( size_t infoIdx = 0; infoIdx < infos.size(); ++infoIdx )
{
std::cout << "c: " << containerIdx << ", infoIdX:" << infoIdx << ", name: " << infos[infoIdx].m_name << std::endl;
}
}
#endif
assert( !"No implementation available atm");
// TODO update to new interface
//gi->m_containers[0].parameters[0]->update( gi->m_containers[0].container->m_data ); // sys_View
//gi->m_containers[1].parameters[0]->update( gi->m_containers[1].container->m_data ); // lights
for ( size_t idx = 0;idx < cache->m_drawArrayList.size(); ++idx )
{
RenderGroupGLCache::DrawArrayListEntry &entry = cache->m_drawArrayList[idx];
glEnableVertexAttribArray( 12 );
dp::gl::bind( GL_ARRAY_BUFFER, entry.m_indirectPointersBuffer->getBuffer() );
glVertexAttribLPointerEXT( 12, 1, GL_UNSIGNED_INT64_NV, 0, 0 );
glVertexAttribDivisor( 12, 1);
// TODO update vertex attrib pointer to 64-bit values
#define USE_DRAW_INDIRECT_BUFFER
#if 0
#if defined(USE_DRAW_INDIRECT_BUFFER)
dp::gl::bind( GL_DRAW_INDIRECT_BUFFER, entry.m_indirectCommandsBuffer->getBuffer() );
size_t offset = 0;
for (size_t index = 0; index < entry.m_indirectCommands.size(); ++index )
{
glDrawArraysIndirect( entry.m_primitiveType, (const void*)(offset) );
offset += sizeof( RenderGroupGLCache::DrawArraysIndirectCommand );
}
#else
RenderGroupGLCache::DrawArraysIndirectCommand *command = &entry.m_indirectCommands[0];
for (size_t index = 0; index < entry.m_indirectCommands.size(); ++index )
{
//glDrawArraysIndirect( entry.m_primitiveType, command );
glDrawArraysInstancedBaseInstance( entry.m_primitiveType, command->first, command->count, command->primCount, command->baseInstance );
//glDrawementsBaseVertex( entry.m_primitiveType, command->count, GL_UN)
++command;
}
#endif
#else
#if defined(USE_DRAW_INDIRECT_BUFFER)
dp::gl::bind( GL_DRAW_INDIRECT_BUFFER, entry.m_indirectCommandsBuffer->getBuffer() );
glMultiDrawArraysIndirectAMD( entry.m_primitiveType, 0, static_cast<GLsizei>(entry.m_indirectCommands.size()), sizeof( RenderGroupGLCache::DrawArraysIndirectCommand ) );
#else
RenderGroupGLCache::DrawArraysIndirectCommand *commands = &entry.m_indirectCommands[0];
glMultiDrawArraysIndirectAMD( entry.m_primitiveType, commands, static_cast<GLuint>(entry.m_indirectCommands.size()), 0 );
#endif
#endif
}
#if 0
unsigned int indirectCommands = 0;
glEnable( GL_PRIMITIVE_RESTART );
//glDisable( GL_PRIMITIVE_RESTART );
glPrimitiveRestartIndex( ~0 );
glEnableClientState(GL_ELEMENT_ARRAY_UNIFIED_NV );
glEnableClientState(GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV);
glEnableVertexAttribArray( 12 );
glVertexAttribDivisor( 12, 1);
glVertexAttribLFormatNV( 12, 1, GL_UNSIGNED_INT64_NV, 0 );
for ( size_t idx = 0;idx < cache->m_drawElementsList.size(); ++idx )
{
const RenderGroupGLCache::DrawElementsListEntry& entry = cache->m_drawElementsList[idx];
//dp::gl::bind( GL_ARRAY_BUFFER, entry.m_indirectPointersBuffer );
//glVertexAttribLPointerEXT( 12, 1, GL_UNSIGNED_INT64_NV, 0, 0 );
glBufferAddressRangeNV( GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, 12, entry.m_indirectPointersBufferAddress, entry.m_indirectPointersBufferRange );
//dp::gl::bind( GL_ELEMENT_ARRAY_BUFFER, entry.m_indexBuffer );
glBufferAddressRangeNV( GL_ELEMENT_ARRAY_ADDRESS_NV, 0, entry.m_indexBufferAddress, entry.m_indexBufferRange );
//glMultiDrawElementsIndirectAMD( entry.m_primitiveType, GL_UNSIGNED_INT, &entry.m_indirectCommands[0], static_cast<GLuint>(entry.m_indirectCommands.size()), 0);
//glDrawElementsIndirect( entry.m_primitiveType, GL_UNSIGNED_INT, &entry.m_indirectCommands[0] );
glDrawElementsInstancedBaseVertexBaseInstance( entry.m_primitiveType, entry.m_indirectCommands[0].count, GL_UNSIGNED_INT, 0, 1, entry.m_indirectCommands[0].baseVertex, entry.m_indirectCommands[0].baseInstance );
indirectCommands += static_cast<unsigned int>(entry.m_indirectCommands.size());
}
glDisableClientState(GL_ELEMENT_ARRAY_UNIFIED_NV );
glDisableClientState(GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV);
#endif
//std::cout << "indirect commands " << indirectCommands << ", " << cache->m_drawElementsList.size() << std::endl;
}
}
void StateSystem::PrimitiveState::applyGL() const
{
glPrimitiveRestartIndex(restartIndex);
glProvokingVertex(provokingVertex);
glPatchParameteri(GL_PATCH_VERTICES,patchVertices);
}
bool OGLIndexedDraw::Init(int windowWidth, int windowHeight)
{
bool res = gs::Stage::Init(windowWidth, windowHeight);
if (res) {
res &= InitGUI();
/******************************* Shaders ********************************/
auto vertexShader = std::make_unique<gs::Shader>(GL_VERTEX_SHADER);
auto fragmentShader = std::make_unique<gs::Shader>(GL_FRAGMENT_SHADER);
auto program = std::make_shared<gs::Program>();
vertexShader->SetSource("heightmap.vert");
res &= vertexShader->Compile();
fragmentShader->SetSource("heightmap.frag");
res &= fragmentShader->Compile();
program->Attach(vertexShader->get());
program->Attach(fragmentShader->get());
res &= program->Link();
program->Use();
programs.push_back(program);
glm::mat4 MVP = projection * glm::lookAt(glm::vec3(0, 40, -30), glm::vec3(0), glm::vec3(0, 1, 0));
GLint mvpLocation = glGetUniformLocation(program->get(), "MVP");
glUniformMatrix4fv(mvpLocation, 1, GL_FALSE, glm::value_ptr(MVP));
hDivLocation = glGetUniformLocation(program->get(), "heightDivider");
/******************************* Geometry ********************************/
auto vao = std::make_unique<gs::VertexArray>();
vao->BindVAO();
vaos.push_back(std::move(vao));
auto vbo = std::make_unique<gs::VertexBuffer>(GL_ARRAY_BUFFER);
vbo->BindVBO();
vbos.push_back(std::move(vbo));
heights = { 4.0f, 2.0f, 3.0f, 1.0f,
3.0f, 5.0f, 8.0f, 2.0f,
7.0f, 10.0f, 12.0f, 6.0f,
4.0f, 6.0f, 8.0f, 3.0f };
const float halfX = WORLD_SIZE_X * 0.5f;
const float halfZ = WORLD_SIZE_Z * 0.5f;
for (size_t i = 0; i < HM_SIZE_Z; i++) {
for (size_t j = 0; j < HM_SIZE_X; j++)
{
short currentLineOffset = (short)j * HM_SIZE_Z;
float xPos = j / (float)(HM_SIZE_X - 1) * WORLD_SIZE_X - halfX;
float yPos = heights[i + currentLineOffset];
float zPos = i / (float)(HM_SIZE_Z - 1) * WORLD_SIZE_Z - halfZ;
vertices[i + currentLineOffset] = glm::vec3(xPos, yPos, zPos);
}
}
glBufferData(GL_ARRAY_BUFFER, sizeof(glm::vec3) * vertices.size(), vertices.data(), GL_STATIC_DRAW);
/******************************* Indices ********************************/
auto ibo = std::make_unique<gs::VertexBuffer>(GL_ELEMENT_ARRAY_BUFFER);
ibo->BindVBO();
vbos.push_back(std::move(ibo));
const GLushort restartIndex = HM_SIZE_X * HM_SIZE_Z;
indices = { 0, 4, 1, 5, 2, 6, 3, 7, restartIndex,
4, 8, 5, 9, 6, 10, 7, 11, restartIndex,
8, 12, 9, 13, 10, 14, 11, 15};
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(GLushort) * indices.size(), indices.data(), GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, nullptr);
glEnable(GL_PRIMITIVE_RESTART);
glEnable(GL_DEPTH_TEST);
glPrimitiveRestartIndex(restartIndex);
}
return res;
}
void init() {
GLuint vbo = 0;
GLuint ebo = 0;
GLfloat* vertices = NULL;
GLushort* indices = NULL;
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, 6 * NumPoints * sizeof(GLfloat), NULL, GL_STATIC_DRAW);
vertices = (GLfloat*)glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
if (vertices == NULL) {
exit(EXIT_FAILURE);
}
else {
int i;
int j;
GLfloat dx = (GLfloat)(XEnd - XStart) / (NumXPoints - 1);
GLfloat dy = (GLfloat)(YEnd - YStart) / (NumYPoints - 1);
GLfloat* tmp = vertices;
int n = 0;
for (j = 0; j < NumYPoints; ++j) {
GLfloat y = (GLfloat)(YStart + j * dy);
for (i = 0; i < NumXPoints; ++i) {
GLfloat x = (GLfloat)(XStart + i * dx);
*tmp++ = color[(i + j) % 6][0];
*tmp++ = color[(i + j) % 6][1];
*tmp++ = color[(i + j) % 6][2];
*tmp++ = x;
*tmp++ = y;
*tmp++ = 0;
}
}
glUnmapBuffer(GL_ARRAY_BUFFER);
glVertexPointer(3, GL_FLOAT, 6 * sizeof(GLfloat), BUFFER_OFFSET(3 * sizeof(GLfloat)));
glColorPointer(3, GL_FLOAT, 6 * sizeof(GLfloat), BUFFER_OFFSET(0));
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
//glInterleavedArrays(GL_C3F_V3F, 0, 0);
}
glGenBuffers(1, &ebo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, NumStrips * (NumPointsPerStrip + 1) * sizeof(GLushort), NULL, GL_STATIC_DRAW);
indices = (GLushort*)glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
if (indices == NULL) {
exit(EXIT_FAILURE);
}
else {
int i;
int j;
GLushort* index = indices;
for (j = 0; j < NumStrips; ++j) {
GLushort bottomRow = j * NumYPoints;
GLushort topRow = bottomRow + NumYPoints;
for (i = 0; i < NumXPoints; ++i) {
*index++ = topRow + i;
*index++ = bottomRow + i;
}
*index++ = RestartIndex;
}
glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
}
glPrimitiveRestartIndex(RestartIndex);
glEnable(GL_PRIMITIVE_RESTART);
}
void go_glPrimitiveRestartIndex(GLuint index) {
glPrimitiveRestartIndex(index);
}
void GLGSRender::ExecCMD()
{
//return;
if(!LoadProgram())
{
ConLog.Error("LoadProgram failed.");
Emu.Pause();
return;
}
if(!m_fbo.IsCreated() || RSXThread::m_width != last_width || RSXThread::m_height != last_height || last_depth_format != m_surface_depth_format)
{
ConLog.Warning("New FBO (%dx%d)", RSXThread::m_width, RSXThread::m_height);
last_width = RSXThread::m_width;
last_height = RSXThread::m_height;
last_depth_format = m_surface_depth_format;
m_fbo.Create();
checkForGlError("m_fbo.Create");
m_fbo.Bind();
m_rbo.Create(4 + 1);
checkForGlError("m_rbo.Create");
for(int i=0; i<4; ++i)
{
m_rbo.Bind(i);
m_rbo.Storage(GL_RGBA, RSXThread::m_width, RSXThread::m_height);
checkForGlError("m_rbo.Storage(GL_RGBA)");
}
m_rbo.Bind(4);
switch(m_surface_depth_format)
{
// case 0 found in BLJM60410-[Suzukaze no Melt - Days in the Sanctuary]
// [E : RSXThread]: Bad depth format! (0)
// [E : RSXThread]: glEnable: opengl error 0x0506
// [E : RSXThread]: glDrawArrays: opengl error 0x0506
case 0:
m_rbo.Storage(GL_DEPTH_COMPONENT, RSXThread::m_width, RSXThread::m_height);
checkForGlError("m_rbo.Storage(GL_DEPTH_COMPONENT)");
break;
case CELL_GCM_SURFACE_Z16:
m_rbo.Storage(GL_DEPTH_COMPONENT16, RSXThread::m_width, RSXThread::m_height);
checkForGlError("m_rbo.Storage(GL_DEPTH_COMPONENT16)");
break;
case CELL_GCM_SURFACE_Z24S8:
m_rbo.Storage(GL_DEPTH24_STENCIL8, RSXThread::m_width, RSXThread::m_height);
checkForGlError("m_rbo.Storage(GL_DEPTH24_STENCIL8)");
break;
default:
ConLog.Error("Bad depth format! (%d)", m_surface_depth_format);
assert(0);
break;
}
for(int i=0; i<4; ++i)
{
m_fbo.Renderbuffer(GL_COLOR_ATTACHMENT0 + i, m_rbo.GetId(i));
checkForGlError(fmt::Format("m_fbo.Renderbuffer(GL_COLOR_ATTACHMENT%d)", i));
}
m_fbo.Renderbuffer(GL_DEPTH_ATTACHMENT, m_rbo.GetId(4));
checkForGlError("m_fbo.Renderbuffer(GL_DEPTH_ATTACHMENT)");
if(m_surface_depth_format == 2)
{
m_fbo.Renderbuffer(GL_STENCIL_ATTACHMENT, m_rbo.GetId(4));
checkForGlError("m_fbo.Renderbuffer(GL_STENCIL_ATTACHMENT)");
}
}
if(!m_set_surface_clip_horizontal)
{
m_surface_clip_x = 0;
m_surface_clip_w = RSXThread::m_width;
}
if(!m_set_surface_clip_vertical)
{
m_surface_clip_y = 0;
m_surface_clip_h = RSXThread::m_height;
}
m_fbo.Bind();
if(Ini.GSDumpDepthBuffer.GetValue())
WriteDepthBuffer();
static const GLenum draw_buffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2, GL_COLOR_ATTACHMENT3 };
switch(m_surface_colour_target)
{
case CELL_GCM_SURFACE_TARGET_NONE:
break;
case CELL_GCM_SURFACE_TARGET_0:
glDrawBuffer(draw_buffers[0]);
break;
case CELL_GCM_SURFACE_TARGET_1:
glDrawBuffer(draw_buffers[1]);
break;
case CELL_GCM_SURFACE_TARGET_MRT1:
glDrawBuffers(2, draw_buffers);
break;
case CELL_GCM_SURFACE_TARGET_MRT2:
glDrawBuffers(3, draw_buffers);
break;
case CELL_GCM_SURFACE_TARGET_MRT3:
glDrawBuffers(4, draw_buffers);
break;
default:
ConLog.Error("Bad surface colour target: %d", m_surface_colour_target);
break;
}
if(m_set_color_mask)
{
glColorMask(m_color_mask_r, m_color_mask_g, m_color_mask_b, m_color_mask_a);
checkForGlError("glColorMask");
}
if(m_set_viewport_horizontal && m_set_viewport_vertical)
{
//glViewport(m_viewport_x, m_viewport_y, m_viewport_w, m_viewport_h);
//checkForGlError("glViewport");
}
if (m_set_scissor_horizontal && m_set_scissor_vertical)
{
glScissor(m_scissor_x, m_scissor_y, m_scissor_w, m_scissor_h);
checkForGlError("glScissor");
}
if(m_clear_surface_mask)
{
GLbitfield f = 0;
if (m_clear_surface_mask & 0x1)
{
glClearDepth(m_clear_surface_z / (float)0xffffff);
f |= GL_DEPTH_BUFFER_BIT;
}
if (m_clear_surface_mask & 0x2)
{
glClearStencil(m_clear_surface_s);
f |= GL_STENCIL_BUFFER_BIT;
}
if (m_clear_surface_mask & 0xF0)
{
glClearColor(
m_clear_surface_color_r / 255.0f,
m_clear_surface_color_g / 255.0f,
m_clear_surface_color_b / 255.0f,
m_clear_surface_color_a / 255.0f);
f |= GL_COLOR_BUFFER_BIT;
}
glClear(f);
}
Enable(m_set_depth_test, GL_DEPTH_TEST);
Enable(m_set_alpha_test, GL_ALPHA_TEST);
Enable(m_set_depth_bounds_test, GL_DEPTH_BOUNDS_TEST_EXT);
Enable(m_set_blend, GL_BLEND);
Enable(m_set_logic_op, GL_LOGIC_OP);
Enable(m_set_cull_face, GL_CULL_FACE);
Enable(m_set_dither, GL_DITHER);
Enable(m_set_stencil_test, GL_STENCIL_TEST);
Enable(m_set_line_smooth, GL_LINE_SMOOTH);
Enable(m_set_poly_smooth, GL_POLYGON_SMOOTH);
Enable(m_set_point_sprite_control, GL_POINT_SPRITE);
Enable(m_set_specular, GL_LIGHTING);
Enable(m_set_poly_offset_fill, GL_POLYGON_OFFSET_FILL);
Enable(m_set_poly_offset_line, GL_POLYGON_OFFSET_LINE);
Enable(m_set_poly_offset_point, GL_POLYGON_OFFSET_POINT);
Enable(m_set_restart_index, GL_PRIMITIVE_RESTART);
Enable(m_set_line_stipple, GL_LINE_STIPPLE);
if(m_set_clip_plane)
{
Enable(m_clip_plane_0, GL_CLIP_PLANE0);
Enable(m_clip_plane_1, GL_CLIP_PLANE1);
Enable(m_clip_plane_2, GL_CLIP_PLANE2);
Enable(m_clip_plane_3, GL_CLIP_PLANE3);
Enable(m_clip_plane_4, GL_CLIP_PLANE4);
Enable(m_clip_plane_5, GL_CLIP_PLANE5);
checkForGlError("m_set_clip_plane");
}
checkForGlError("glEnable");
if (m_set_front_polygon_mode)
{
glPolygonMode(GL_FRONT, m_front_polygon_mode);
checkForGlError("glPolygonMode(Front)");
}
if (m_set_back_polygon_mode)
{
glPolygonMode(GL_BACK, m_back_polygon_mode);
checkForGlError("glPolygonMode(Back)");
}
if (m_set_point_size)
{
glPointSize(m_point_size);
checkForGlError("glPointSize");
}
if (m_set_poly_offset_mode)
{
glPolygonOffset(m_poly_offset_scale_factor, m_poly_offset_bias);
checkForGlError("glPolygonOffset");
}
if (m_set_logic_op)
{
glLogicOp(m_logic_op);
checkForGlError("glLogicOp");
}
if(m_set_two_sided_stencil_test_enable)
{
if(m_set_stencil_fail && m_set_stencil_zfail && m_set_stencil_zpass)
{
glStencilOpSeparate(GL_FRONT, m_stencil_fail, m_stencil_zfail, m_stencil_zpass);
checkForGlError("glStencilOpSeparate");
}
if(m_set_stencil_mask)
{
glStencilMaskSeparate(GL_FRONT, m_stencil_mask);
checkForGlError("glStencilMaskSeparate");
}
if(m_set_stencil_func && m_set_stencil_func_ref && m_set_stencil_func_mask)
{
glStencilFuncSeparate(GL_FRONT, m_stencil_func, m_stencil_func_ref, m_stencil_func_mask);
checkForGlError("glStencilFuncSeparate");
}
if(m_set_back_stencil_fail && m_set_back_stencil_zfail && m_set_back_stencil_zpass)
{
glStencilOpSeparate(GL_BACK, m_back_stencil_fail, m_back_stencil_zfail, m_back_stencil_zpass);
checkForGlError("glStencilOpSeparate(GL_BACK)");
}
if(m_set_back_stencil_mask)
{
glStencilMaskSeparate(GL_BACK, m_back_stencil_mask);
checkForGlError("glStencilMaskSeparate(GL_BACK)");
}
if(m_set_back_stencil_func && m_set_back_stencil_func_ref && m_set_back_stencil_func_mask)
{
glStencilFuncSeparate(GL_BACK, m_back_stencil_func, m_back_stencil_func_ref, m_back_stencil_func_mask);
checkForGlError("glStencilFuncSeparate(GL_BACK)");
}
}
else
{
if(m_set_stencil_fail && m_set_stencil_zfail && m_set_stencil_zpass)
{
glStencilOp(m_stencil_fail, m_stencil_zfail, m_stencil_zpass);
checkForGlError("glStencilOp");
}
if(m_set_stencil_mask)
{
glStencilMask(m_stencil_mask);
checkForGlError("glStencilMask");
}
if(m_set_stencil_func && m_set_stencil_func_ref && m_set_stencil_func_mask)
{
glStencilFunc(m_stencil_func, m_stencil_func_ref, m_stencil_func_mask);
checkForGlError("glStencilFunc");
}
}
if(m_set_shade_mode)
{
glShadeModel(m_shade_mode);
checkForGlError("glShadeModel");
}
if(m_set_depth_mask)
{
glDepthMask(m_depth_mask);
checkForGlError("glDepthMask");
}
if(m_set_depth_func)
{
//ConLog.Warning("glDepthFunc(0x%x)", m_depth_func);
glDepthFunc(m_depth_func);
checkForGlError("glDepthFunc");
}
if(m_set_depth_bounds)
{
//ConLog.Warning("glDepthBounds(%f, %f)", m_depth_bounds_min, m_depth_bounds_max);
glDepthBoundsEXT(m_depth_bounds_min, m_depth_bounds_max);
checkForGlError("glDepthBounds");
}
if(m_set_clip)
{
//ConLog.Warning("glDepthRangef(%f, %f)", m_clip_min, m_clip_max);
glDepthRangef(m_clip_min, m_clip_max);
checkForGlError("glDepthRangef");
}
if(m_set_line_width)
{
glLineWidth(m_line_width);
checkForGlError("glLineWidth");
}
if (m_set_line_stipple)
{
glLineStipple(m_line_stipple_factor, m_line_stipple_pattern);
checkForGlError("glLineStipple");
}
if(m_set_blend_equation)
{
glBlendEquationSeparate(m_blend_equation_rgb, m_blend_equation_alpha);
checkForGlError("glBlendEquationSeparate");
}
if(m_set_blend_sfactor && m_set_blend_dfactor)
{
glBlendFuncSeparate(m_blend_sfactor_rgb, m_blend_dfactor_rgb, m_blend_sfactor_alpha, m_blend_dfactor_alpha);
checkForGlError("glBlendFuncSeparate");
}
if(m_set_blend_color)
{
glBlendColor(m_blend_color_r, m_blend_color_g, m_blend_color_b, m_blend_color_a);
checkForGlError("glBlendColor");
}
if(m_set_cull_face)
{
glCullFace(m_cull_face);
checkForGlError("glCullFace");
}
if (m_set_front_face)
{
glFrontFace(m_front_face);
checkForGlError("glFrontFace");
}
if(m_set_alpha_func && m_set_alpha_ref)
{
glAlphaFunc(m_alpha_func, m_alpha_ref);
checkForGlError("glAlphaFunc");
}
if(m_set_fog_mode)
{
glFogi(GL_FOG_MODE, m_fog_mode);
checkForGlError("glFogi(GL_FOG_MODE)");
}
if(m_set_fog_params)
{
glFogf(GL_FOG_START, m_fog_param0);
checkForGlError("glFogf(GL_FOG_START)");
glFogf(GL_FOG_END, m_fog_param1);
checkForGlError("glFogf(GL_FOG_END)");
}
if(m_set_restart_index)
{
glPrimitiveRestartIndex(m_restart_index);
checkForGlError("glPrimitiveRestartIndex");
}
if(m_indexed_array.m_count && m_draw_array_count)
{
ConLog.Warning("m_indexed_array.m_count && draw_array_count");
}
for(u32 i=0; i<m_textures_count; ++i)
{
if(!m_textures[i].IsEnabled()) continue;
glActiveTexture(GL_TEXTURE0 + i);
checkForGlError("glActiveTexture");
m_gl_textures[i].Create();
m_gl_textures[i].Bind();
checkForGlError(fmt::Format("m_gl_textures[%d].Bind", i));
m_program.SetTex(i);
m_gl_textures[i].Init(m_textures[i]);
checkForGlError(fmt::Format("m_gl_textures[%d].Init", i));
}
m_vao.Bind();
if(m_indexed_array.m_count)
{
LoadVertexData(m_indexed_array.index_min, m_indexed_array.index_max - m_indexed_array.index_min + 1);
}
EnableVertexData(m_indexed_array.m_count ? true : false);
InitVertexData();
InitFragmentData();
if(m_indexed_array.m_count)
{
switch(m_indexed_array.m_type)
{
case CELL_GCM_DRAW_INDEX_ARRAY_TYPE_32:
glDrawElements(m_draw_mode - 1, m_indexed_array.m_count, GL_UNSIGNED_INT, nullptr);
checkForGlError("glDrawElements #4");
break;
case CELL_GCM_DRAW_INDEX_ARRAY_TYPE_16:
glDrawElements(m_draw_mode - 1, m_indexed_array.m_count, GL_UNSIGNED_SHORT, nullptr);
checkForGlError("glDrawElements #2");
break;
default:
ConLog.Error("Bad indexed array type (%d)", m_indexed_array.m_type);
break;
}
DisableVertexData();
m_indexed_array.Reset();
}
if(m_draw_array_count)
{
//ConLog.Warning("glDrawArrays(%d,%d,%d)", m_draw_mode - 1, m_draw_array_first, m_draw_array_count);
glDrawArrays(m_draw_mode - 1, 0, m_draw_array_count);
checkForGlError("glDrawArrays");
DisableVertexData();
}
if (Ini.GSDumpColorBuffers.GetValue())
{
WriteColorBuffers();
}
}
void AFK_TerrainBaseTile::initGL()
{
bool needBufferPush = (bufs == nullptr);
if (needBufferPush)
{
bufs = new GLuint[2];
glGenBuffers(2, bufs);
}
glBindBuffer(GL_ARRAY_BUFFER, bufs[0]);
if (needBufferPush)
glBufferData(GL_ARRAY_BUFFER, vertices.size() * AFK_TER_BASE_VERTEX_SIZE, &vertices[0], GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufs[1]);
if (needBufferPush)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned short), &indices[0], GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, AFK_TER_BASE_VERTEX_SIZE, 0);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, AFK_TER_BASE_VERTEX_SIZE, (GLvoid *)sizeof(Vec3<float>));
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(RESTART_INDEX);
}
/* Draws the ground according to the height map provided
* @param void
* @return void
*/
void Ground::draw() {
Renderer::setShader(2);//set current shader to the ground shader
glUseProgram(Renderer::getShader());
glm::mat4 view = glm::lookAt(glm::vec3(0, 250, 1000), glm::vec3(0, 0, 0), glm::vec3(0.0f, 1.0f, 0.0f));
glm::mat4 projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 1000.0f);
GLuint viewID = glGetUniformLocation(Renderer::getShader(), "viewMatrix");
GLuint projID = glGetUniformLocation(Renderer::getShader(), "projectionMatrix");
GLuint worldID = glGetUniformLocation(Renderer::getShader(), "worldMatrix");
GLuint TextureID = glGetUniformLocation(Renderer::getShader(), "myTextureSampler");
GLuint hmScaleID = glGetUniformLocation(Renderer::getShader(), "scaleMatrix");
glm::mat4 scaleMat = glm::scale(glm::mat4(1.f), hmScale);
glUniformMatrix4fv(viewID, 1, GL_FALSE, &view[0][0]);
glUniformMatrix4fv(projID, 1, GL_FALSE, &projection[0][0]);
glUniformMatrix4fv(worldID, 1, GL_FALSE, &getWorldMatrix()[0][0]);
glUniformMatrix4fv(hmScaleID, 1, GL_FALSE, &scaleMat[0][0]);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textureID);
glUniform1i(TextureID, 0);
glBindVertexArray(vertexArrayID);
glEnable(GL_PRIMITIVE_RESTART);
glPrimitiveRestartIndex(hmRows * hmCols);
int iNumIndices = (hmRows-1)*hmCols*2 + hmRows-1;
glDrawElements(GL_TRIANGLE_STRIP, iNumIndices, GL_UNSIGNED_INT, 0);
//glDrawElements(GL_TRIANGLE_STRIP, HM_SIZE_X*(HM_SIZE_Y-1)*2+HM_SIZE_Y-2, GL_UNSIGNED_INT, 0);
}
void StateManager::set_restart_index(const Uint32 restart_index)
noexcept
{
m_state_set.set_restart_index(restart_index);
if (get_global_vars()->get_opengl_3_1())
{
glPrimitiveRestartIndex(restart_index);
}
}