void r_set_heightmap(void) {
#if OPENGL_DEBUG
uint i;
#endif
OPENGL_EVENT_BEGIN(0, __PRETTY_FUNCTION__);
if (gen_heightmap != NULL)
glDeleteTextures(1, &r_hmap_tex);
glGenTextures(1, &r_hmap_tex);
glBindTexture(GL_TEXTURE_2D, r_hmap_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE8,
HEIGHTMAP_SIZE, HEIGHTMAP_SIZE, 0,
GL_LUMINANCE, GL_UNSIGNED_BYTE, gen_heightmap);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
#if OPENGL_DEBUG
if (GLEW_KHR_debug) {
glObjectLabel(GL_TEXTURE, r_hmap_tex, -1, "Heightmap");
for (i = 0; i < sizeof(r_ter_VBOs) / sizeof(r_ter_VBOs[0]); ++i)
glObjectLabel(GL_BUFFER, r_ter_VBOs[i], -1, "Terrain");
}
#endif
OPENGL_EVENT_END();
}
bool initBuffer()
{
bool Validated(true);
glGenBuffers(buffer::MAX, BufferName);
glObjectLabel(GL_BUFFER, BufferName[buffer::ELEMENT], -1, "Element Array Buffer object");
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, BufferName[buffer::ELEMENT]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, ElementSize, ElementData, GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glObjectLabel(GL_BUFFER, BufferName[buffer::VERTEX], -1, "Array Buffer object");
glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
glBufferData(GL_ARRAY_BUFFER, VertexSize, VertexData, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
GLint UniformBufferOffset(0);
glGetIntegerv(
GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT,
&UniformBufferOffset);
GLint UniformBlockSize = glm::max(GLint(sizeof(glm::mat4)), UniformBufferOffset);
glObjectLabel(GL_BUFFER, BufferName[buffer::TRANSFORM], -1, "Uniform Buffer object");
glBindBuffer(GL_UNIFORM_BUFFER, BufferName[buffer::TRANSFORM]);
glBufferData(GL_UNIFORM_BUFFER, UniformBlockSize, NULL, GL_DYNAMIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
return Validated;
}
bool initProgram()
{
bool Validated(true);
glGenProgramPipelines(1, &PipelineName);
glObjectLabel(GL_PROGRAM_PIPELINE, PipelineName, -1, "Pipeline Program object");
if(Validated)
{
glf::compiler Compiler;
GLuint VertShaderName = Compiler.create(GL_VERTEX_SHADER,
glf::DATA_DIRECTORY + VERT_SHADER_SOURCE,
"--version 420 --profile core");
GLuint FragShaderName = Compiler.create(GL_FRAGMENT_SHADER,
glf::DATA_DIRECTORY + FRAG_SHADER_SOURCE,
"--version 420 --profile core");
Validated = Validated && Compiler.check();
ProgramName[program::VERTEX] = glCreateProgram();
glObjectLabel(GL_PROGRAM, PipelineName, -1, "Vertex Program object");
glProgramParameteri(ProgramName[program::VERTEX], GL_PROGRAM_SEPARABLE, GL_TRUE);
glAttachShader(ProgramName[program::VERTEX], VertShaderName);
glLinkProgram(ProgramName[program::VERTEX]);
glDeleteShader(VertShaderName);
ProgramName[program::FRAGMENT] = glCreateProgram();
glObjectLabel(GL_PROGRAM, PipelineName, -1, "Fragment Program object");
glProgramParameteri(ProgramName[program::FRAGMENT], GL_PROGRAM_SEPARABLE, GL_TRUE);
glAttachShader(ProgramName[program::FRAGMENT], FragShaderName);
glLinkProgram(ProgramName[program::FRAGMENT]);
glDeleteShader(FragShaderName);
Validated = Validated && glf::checkProgram(ProgramName[program::VERTEX]);
Validated = Validated && glf::checkProgram(ProgramName[program::FRAGMENT]);
}
if(Validated)
{
glUseProgramStages(PipelineName, GL_VERTEX_SHADER_BIT, ProgramName[program::VERTEX]);
glUseProgramStages(PipelineName, GL_FRAGMENT_SHADER_BIT, ProgramName[program::FRAGMENT]);
}
return Validated;
}
void ObjectLabel(GLenum identifier, GLuint name, GLsizei size, const char* label)
{
if (GLEW_KHR_debug)
{
glObjectLabel(identifier, name, size, label);
}
}
void ae3d::Shader::Load( const char* vertexSource, const char* fragmentSource )
{
GLuint vertexShader = CompileShader( vertexSource, GL_VERTEX_SHADER );
GLuint fragmentShader = CompileShader( fragmentSource, GL_FRAGMENT_SHADER );
GLuint program = GfxDevice::CreateProgramId();
if (GfxDevice::HasExtension( "KHR_debug" ))
{
glObjectLabel( GL_PROGRAM, id, (GLsizei)std::string( "shader" ).size(), "shader" );
}
glAttachShader( program, vertexShader );
glAttachShader( program, fragmentShader );
glLinkProgram( program );
GLint wasLinked;
glGetProgramiv( program, GL_LINK_STATUS, &wasLinked );
if (!wasLinked)
{
ae3d::System::Print("Shader linking failed.\n");
PrintInfoLog( program, InfoLogType::Program );
return;
}
id = program;
uniformLocations = GetUniformLocations( program );
}
void CStdGL::ObjectLabel(uint32_t identifier, uint32_t name, int32_t length, const char * label)
{
#ifdef GL_KHR_debug
if (glObjectLabel)
glObjectLabel(identifier, name, length, label);
#endif
}
const ae3d::Texture2D* ae3d::Texture2D::GetDefaultTexture()
{
if (Texture2DGlobal::defaultTexture.GetWidth() == 0)
{
Texture2DGlobal::defaultTexture.width = 32;
Texture2DGlobal::defaultTexture.height = 32;
Texture2DGlobal::defaultTexture.handle = GfxDevice::CreateTextureId();
if (GfxDevice::HasExtension( "KHR_debug" ))
{
glObjectLabel( GL_TEXTURE, Texture2DGlobal::defaultTexture.handle, (GLsizei)std::string("default texture 2d").size(), "default texture 2d" );
}
glBindTexture( GL_TEXTURE_2D, Texture2DGlobal::defaultTexture.handle );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
int data[ 32 * 32 * 4 ] = { 0xFFC0CB };
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, Texture2DGlobal::defaultTexture.width, Texture2DGlobal::defaultTexture.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data );
}
return &Texture2DGlobal::defaultTexture;
}
int pie_AddTexPage(iV_Image *s, const char *filename, bool gameTexture, int page)
{
ASSERT(s && filename, "Bad input parameter");
if (page < 0)
{
iTexPage tex;
page = _TEX_PAGE.size();
glGenTextures(1, &tex.id);
sstrcpy(tex.name, filename);
_TEX_PAGE.append(tex);
}
else // replace
{
sstrcpy(_TEX_PAGE[page].name, filename);
}
debug(LOG_TEXTURE, "%s page=%d", filename, page);
pie_SetTexturePage(page);
if (GLEW_VERSION_4_3 || GLEW_KHR_debug)
{
glObjectLabel(GL_TEXTURE, pie_Texture(page), -1, filename);
}
if (gameTexture) // this is a game texture, use texture compression
{
gluBuild2DMipmaps(GL_TEXTURE_2D, wz_texture_compression, s->width, s->height, iV_getPixelFormat(s), GL_UNSIGNED_BYTE, s->bmp);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
}
else // this is an interface texture, do not use compression
{
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, s->width, s->height, 0, iV_getPixelFormat(s), GL_UNSIGNED_BYTE, s->bmp);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
// it is uploaded, we do not need it anymore
free(s->bmp);
s->bmp = NULL;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// Use anisotropic filtering, if available, but only max 4.0 to reduce processor burden
if (GLEW_EXT_texture_filter_anisotropic)
{
GLfloat max;
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &max);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, MIN(4.0f, max));
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
/* Send back the texpage number so we can store it in the IMD */
return page;
}
void AbstractObject::labelImplementationKhr(const GLenum identifier, const GLuint name, const std::string& label) {
#ifndef MAGNUM_TARGET_GLES
glObjectLabel(identifier, name, label.size(), label.data());
#else
static_cast<void>(identifier);
static_cast<void>(name);
static_cast<void>(label);
CORRADE_INTERNAL_ASSERT(false);
//glObjectLabelKHR(identifier, name, label.size(), label.data());
#endif
}
void AbstractObject::labelImplementationKhr(const GLenum identifier, const GLuint name, const Containers::ArrayView<const char> label) {
#ifndef MAGNUM_TARGET_GLES
glObjectLabel(identifier, name, label.size(), label);
#elif !defined(CORRADE_TARGET_NACL)
glObjectLabelKHR(identifier, name, label.size(), label);
#else
static_cast<void>(identifier);
static_cast<void>(name);
static_cast<void>(label);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
GLuint GSShaderOGL::LinkPipeline(const string& pretty_print, GLuint vs, GLuint gs, GLuint ps)
{
GLuint p;
glCreateProgramPipelines(1, &p);
glUseProgramStages(p, GL_VERTEX_SHADER_BIT, vs);
glUseProgramStages(p, GL_GEOMETRY_SHADER_BIT, gs);
glUseProgramStages(p, GL_FRAGMENT_SHADER_BIT, ps);
glObjectLabel(GL_PROGRAM_PIPELINE, p, pretty_print.size(), pretty_print.c_str());
m_pipe_to_delete.push_back(p);
return p;
}
void Init() {
glGenBuffers(1, &m_buffer);
BindPbo();
glObjectLabel(GL_BUFFER, m_buffer, -1, "PBO");
glBufferStorage(GL_PIXEL_UNPACK_BUFFER, m_pbo_size, NULL, create_flags);
m_map = (char*)glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, m_pbo_size, map_flags);
m_offset = 0;
for (size_t i = 0; i < countof(m_fence); i++) {
m_fence[i] = 0;
}
UnbindPbo();
}
void createAndAllocBuffer(GLsizeiptr bufferSize,
GLenum usageMask,
GLuint& bufferIdOut,
const bufferPtr data,
const char* name) {
glCreateBuffers(1, &bufferIdOut);
if (Config::ENABLE_GPU_VALIDATION) {
glObjectLabel(GL_BUFFER,
bufferIdOut,
-1,
name != nullptr
? name
: Util::StringFormat("DVD_GENERAL_BUFFER_%d", bufferIdOut).c_str());
}
assert(bufferIdOut != 0 && "GLUtil::allocBuffer error: buffer creation failed");
glNamedBufferData(bufferIdOut, bufferSize, data, usageMask);
}
bufferPtr createAndAllocPersistentBuffer(GLsizeiptr bufferSize,
BufferStorageMask storageMask,
BufferAccessMask accessMask,
GLuint& bufferIdOut,
bufferPtr const data,
const char* name) {
glCreateBuffers(1, &bufferIdOut);
if (Config::ENABLE_GPU_VALIDATION) {
glObjectLabel(GL_BUFFER,
bufferIdOut,
-1,
name != nullptr
? name
: Util::StringFormat("DVD_PERSISTENT_BUFFER_%d", bufferIdOut).c_str());
}
assert(bufferIdOut != 0 && "GLUtil::allocPersistentBuffer error: buffer creation failed");
return allocPersistentBuffer(bufferIdOut, bufferSize, storageMask, accessMask, data);
}
bool initTexture()
{
bool Validated(true);
gli::texture2D Texture(gli::loadStorageDDS(glf::DATA_DIRECTORY + TEXTURE_DIFFUSE));
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glGenTextures(1, &TextureName);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName);
glObjectLabel(GL_TEXTURE, TextureName, -1, "Texture object");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, GLint(Texture.levels() - 1));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexStorage2D(GL_TEXTURE_2D, GLint(Texture.levels()), GL_RGBA8, GLsizei(Texture[0].dimensions().x), GLsizei(Texture[0].dimensions().y));
for(gli::texture2D::size_type Level = 0; Level < Texture.levels(); ++Level)
{
glTexSubImage2D(
GL_TEXTURE_2D,
GLint(Level),
0, 0,
GLsizei(Texture[Level].dimensions().x),
GLsizei(Texture[Level].dimensions().y),
GL_BGR, GL_UNSIGNED_BYTE,
Texture[Level].data());
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
return Validated;
}
bool initVertexArray()
{
bool Validated(true);
glGenVertexArrays(1, &VertexArrayName);
glBindVertexArray(VertexArrayName);
glObjectLabel(GL_VERTEX_ARRAY, VertexArrayName, -1, "Vertex array object");
glBindBuffer(GL_ARRAY_BUFFER, BufferName[buffer::VERTEX]);
glVertexAttribPointer(glf::semantic::attr::POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fv2f), GLF_BUFFER_OFFSET(0));
glVertexAttribPointer(glf::semantic::attr::TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(glf::vertex_v2fv2f), GLF_BUFFER_OFFSET(sizeof(glm::vec2)));
glBindBuffer(GL_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(glf::semantic::attr::POSITION);
glEnableVertexAttribArray(glf::semantic::attr::TEXCOORD);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, BufferName[buffer::ELEMENT]);
glBindVertexArray(0);
return Validated;
}
GLhandleARB C4Shader::Create(GLenum iShaderType, const char *szWhat, const char *szShader)
{
// Create shader
GLhandleARB hShader = glCreateShaderObjectARB(iShaderType);
#ifdef GL_KHR_debug
if (glObjectLabel)
glObjectLabel(GL_SHADER, hShader, -1, szWhat);
#endif
// Compile
glShaderSourceARB(hShader, 1, &szShader, 0);
glCompileShaderARB(hShader);
// Dump any information to log
DumpInfoLog(szWhat, hShader);
// Success?
if(GetObjectStatus(hShader, GL_OBJECT_COMPILE_STATUS_ARB) == 1)
return hShader;
// Did not work :/
glDeleteObjectARB(hShader);
return 0;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL43_nglObjectLabel(JNIEnv *__env, jclass clazz, jint identifier, jint name, jint length, jlong labelAddress, jlong __functionAddress) {
const GLchar *label = (const GLchar *)(intptr_t)labelAddress;
glObjectLabelPROC glObjectLabel = (glObjectLabelPROC)(intptr_t)__functionAddress;
UNUSED_PARAMS(__env, clazz)
glObjectLabel(identifier, name, length, label);
}
static inline bool r_create_program(const char *id, const char *vss,
const char *fss, uint *vs, uint *fs, uint *prog) {
OPENGL_EVENT_BEGIN(0, __PRETTY_FUNCTION__);
*vs = glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB);
*fs = glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB);
// shut up compiler...
glShaderSourceARB(*vs, 1, (const char **)&vss, NULL);
glShaderSourceARB(*fs, 1, (const char **)&fss, NULL);
// compile vertex shader
glCompileShaderARB(*vs);
if (!r_shader_check(*vs, GL_OBJECT_COMPILE_STATUS_ARB, id,
"vertex shader compilation")) {
OPENGL_EVENT_END();
return false;
}
// compile fragment shader
glCompileShaderARB(*fs);
if (!r_shader_check(*fs, GL_OBJECT_COMPILE_STATUS_ARB, id,
"fragment shader compilation")) {
OPENGL_EVENT_END();
return false;
}
// link the program together
*prog = glCreateProgramObjectARB();
glAttachObjectARB(*prog, *vs);
glAttachObjectARB(*prog, *fs);
glLinkProgramARB(*prog);
if (!r_shader_check(*prog, GL_OBJECT_LINK_STATUS_ARB, id,
"GPU program linking")) {
OPENGL_EVENT_END();
return false;
}
// validate the program
glValidateProgramARB(*prog);
if (!r_shader_check(*prog, GL_OBJECT_VALIDATE_STATUS_ARB, id,
"GPU program validation")) {
OPENGL_EVENT_END();
return false;
}
#if OPENGL_DEBUG
if (GLEW_KHR_debug) {
glObjectLabel(GL_SHADER, *vs, -1, id);
glObjectLabel(GL_SHADER, *fs, -1, id);
glObjectLabel(GL_PROGRAM, *prog, -1, id);
}
#endif
OPENGL_EVENT_END();
return true;
}
void opengl_set_object_label(GLenum type, GLuint handle, const SCP_string& name) {
if (GLAD_GL_KHR_debug) {
glObjectLabel(type, handle, (GLsizei) name.size(), name.c_str());
}
}
void ae3d::Texture2D::Load( const FileSystem::FileContentsData& fileContents, TextureWrap aWrap, TextureFilter aFilter, Mipmaps aMipmaps, float aAnisotropy )
{
filter = aFilter;
wrap = aWrap;
mipmaps = aMipmaps;
anisotropy = aAnisotropy;
if (!fileContents.isLoaded)
{
*this = Texture2DGlobal::defaultTexture;
return;
}
const bool isCached = Texture2DGlobal::pathToCachedTexture.find( fileContents.path ) != Texture2DGlobal::pathToCachedTexture.end();
if (isCached && handle == 0)
{
*this = Texture2DGlobal::pathToCachedTexture[ fileContents.path ];
return;
}
// First load.
if (handle == 0)
{
handle = GfxDevice::CreateTextureId();
if (GfxDevice::HasExtension( "KHR_debug" ))
{
glObjectLabel( GL_TEXTURE, handle, (GLsizei)fileContents.path.size(), fileContents.path.c_str() );
}
fileWatcher.AddFile( fileContents.path, TexReload );
}
glBindTexture( GL_TEXTURE_2D, handle );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter == TextureFilter::Nearest ? GL_NEAREST : (mipmaps == Mipmaps::Generate ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR ) );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter == TextureFilter::Nearest ? GL_NEAREST : GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap == TextureWrap::Repeat ? GL_REPEAT : GL_CLAMP_TO_EDGE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap == TextureWrap::Repeat ? GL_REPEAT : GL_CLAMP_TO_EDGE );
if (GfxDevice::HasExtension( "GL_EXT_texture_filter_anisotropic" ) && anisotropy > 1)
{
glTexParameterf( GL_TEXTURE_2D, 0x84FE/*GL_TEXTURE_MAX_ANISOTROPY_EXT*/, anisotropy );
}
const bool isDDS = fileContents.path.find( ".dds" ) != std::string::npos || fileContents.path.find( ".DDS" ) != std::string::npos;
if (HasStbExtension( fileContents.path ))
{
LoadSTB( fileContents );
}
else if (isDDS)
{
LoadDDS( fileContents.path.c_str() );
}
if (mipmaps == Mipmaps::Generate)
{
glGenerateMipmap( GL_TEXTURE_2D );
}
Texture2DGlobal::pathToCachedTexture[ fileContents.path ] = *this;
#if DEBUG
Texture2DGlobal::pathToCachedTextureSizeInBytes[ fileContents.path ] = static_cast< std::size_t >(width * height * 4 * (mipmaps == Mipmaps::Generate ? 1.0f : 1.33333f));
//Texture2DGlobal::PrintMemoryUsage();
#endif
}
bool C4Shader::Init(const char *szWhat, const char **szUniforms)
{
#ifndef USE_CONSOLE
// No support?
if(!GLEW_ARB_fragment_program)
{
Log(" gl: no shader support!");
return false;
}
// Clear old shader first
if (hProg) Clear();
#endif
StdStrBuf VertexShader = Build(VertexSlices, true),
FragmentShader = Build(FragmentSlices, true);
// Dump
if (C4Shader::IsLogging())
{
ShaderLogF("******** Vertex shader for %s:", szWhat);
ShaderLog(VertexShader.getData());
ShaderLogF("******** Fragment shader for %s:", szWhat);
ShaderLog(FragmentShader.getData());
}
#ifndef USE_CONSOLE
// Attempt to create shaders
hVert = Create(GL_VERTEX_SHADER_ARB,
FormatString("%s vertex shader", szWhat).getData(),
VertexShader.getData());
hFrag = Create(GL_FRAGMENT_SHADER_ARB,
FormatString("%s fragment shader", szWhat).getData(),
FragmentShader.getData());
if(!hFrag || !hVert)
return false;
// Link program
hProg = glCreateProgramObjectARB();
#ifdef GL_KHR_debug
if (glObjectLabel)
glObjectLabel(GL_PROGRAM, hProg, -1, szWhat);
#endif
glAttachObjectARB(hProg, hVert);
glAttachObjectARB(hProg, hFrag);
// Bind all input variables
for (int i = 0; i <= VAI_BoneWeightsMax - VAI_BoneWeights; ++i)
{
glBindAttribLocation(hProg, VAI_BoneWeights + i, FormatString("oc_BoneWeights%d", i).getData());
glBindAttribLocation(hProg, VAI_BoneIndices + i, FormatString("oc_BoneIndices%d", i).getData());
}
glLinkProgramARB(hProg);
// Link successful?
DumpInfoLog(FormatString("%s shader program", szWhat).getData(), hProg);
if(GetObjectStatus(hProg, GL_OBJECT_LINK_STATUS_ARB) != 1) {
Clear();
ShaderLogF(" gl: Failed to link %s shader!", szWhat);
return false;
}
ShaderLogF(" gl: %s shader linked successfully", szWhat);
// Okay, allocate uniform array
iUniformCount = 0;
while (szUniforms[iUniformCount])
iUniformCount++;
pUniforms = new GLint[iUniformCount];
// Get uniform locations. Note this is expected to fail for a few of them
// because the respective uniforms got optimized out!
for (int i = 0; i < iUniformCount; i++)
pUniforms[i] = glGetUniformLocationARB(hProg, szUniforms[i]);
#endif
return true;
}
// Read/compile/link shaders
SHADER_MODE pie_LoadShader(const char *programName, const char *vertexPath, const char *fragmentPath,
const std::vector<std::string> &uniformNames)
{
pie_internal::SHADER_PROGRAM program;
GLint status;
bool success = true; // Assume overall success
char *buffer[2];
program.program = glCreateProgram();
glBindAttribLocation(program.program, 0, "vertex");
glBindAttribLocation(program.program, 1, "vertexTexCoord");
glBindAttribLocation(program.program, 2, "vertexColor");
ASSERT_OR_RETURN(SHADER_NONE, program.program, "Could not create shader program!");
*buffer = (char *)"";
if (vertexPath)
{
success = false; // Assume failure before reading shader file
if ((*(buffer + 1) = readShaderBuf(vertexPath)))
{
GLuint shader = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(shader, 2, (const char **)buffer, nullptr);
glCompileShader(shader);
// Check for compilation errors
glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
if (!status)
{
debug(LOG_ERROR, "Vertex shader compilation has failed [%s]", vertexPath);
printShaderInfoLog(LOG_ERROR, shader);
}
else
{
printShaderInfoLog(LOG_3D, shader);
glAttachShader(program.program, shader);
success = true;
}
if (GLEW_VERSION_4_3 || GLEW_KHR_debug)
{
glObjectLabel(GL_SHADER, shader, -1, vertexPath);
}
free(*(buffer + 1));
}
}
if (success && fragmentPath)
{
success = false; // Assume failure before reading shader file
if ((*(buffer + 1) = readShaderBuf(fragmentPath)))
{
GLuint shader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(shader, 2, (const char **)buffer, nullptr);
glCompileShader(shader);
// Check for compilation errors
glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
if (!status)
{
debug(LOG_ERROR, "Fragment shader compilation has failed [%s]", fragmentPath);
printShaderInfoLog(LOG_ERROR, shader);
}
else
{
printShaderInfoLog(LOG_3D, shader);
glAttachShader(program.program, shader);
success = true;
}
if (GLEW_VERSION_4_3 || GLEW_KHR_debug)
{
glObjectLabel(GL_SHADER, shader, -1, fragmentPath);
}
free(*(buffer + 1));
}
}
if (success)
{
glLinkProgram(program.program);
// Check for linkage errors
glGetProgramiv(program.program, GL_LINK_STATUS, &status);
if (!status)
{
debug(LOG_ERROR, "Shader program linkage has failed [%s, %s]", vertexPath, fragmentPath);
printProgramInfoLog(LOG_ERROR, program.program);
success = false;
}
else
{
printProgramInfoLog(LOG_3D, program.program);
}
if (GLEW_VERSION_4_3 || GLEW_KHR_debug)
{
glObjectLabel(GL_PROGRAM, program.program, -1, programName);
}
}
GLuint p = program.program;
std::transform(uniformNames.begin(), uniformNames.end(),
std::back_inserter(program.locations),
[p](const std::string name) { return glGetUniformLocation(p, name.data()); });
getLocs(&program);
glUseProgram(0);
pie_internal::shaderProgram.push_back(program);
return SHADER_MODE(pie_internal::shaderProgram.size() - 1);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengles_GLES32_nglObjectLabel(JNIEnv *__env, jclass clazz, jint identifier, jint name, jint length, jlong labelAddress) {
glObjectLabelPROC glObjectLabel = (glObjectLabelPROC)tlsGetFunction(323);
intptr_t label = (intptr_t)labelAddress;
UNUSED_PARAM(clazz)
glObjectLabel(identifier, name, length, label);
}
void set_object_label (const type& object , const std::string& label)
{
glObjectLabel(type::native_type, object.id(), label.size(), label.data());
}
void C4ParticleChunk::Draw(C4TargetFacet cgo, C4Object *obj, C4ShaderCall& call, int texUnit, const StdProjectionMatrix& modelview)
{
if (particleCount == 0) return;
const int stride = sizeof(C4Particle::DrawingData::Vertex);
assert(sourceDefinition && "No source definition assigned to particle chunk.");
C4TexRef *textureRef = &sourceDefinition->Gfx.GetFace().textures[0];
assert(textureRef != 0 && "Particle definition had no texture assigned.");
// use a relative offset?
// (note the normal matrix is unaffected by this)
if ((attachment & C4ATTACH_MoveRelative) && (obj != 0))
{
StdProjectionMatrix new_modelview(modelview);
Translate(new_modelview, fixtof(obj->GetFixedX()), fixtof(obj->GetFixedY()), 0.0f);
call.SetUniformMatrix4x4(C4SSU_ModelViewMatrix, new_modelview);
}
else
{
call.SetUniformMatrix4x4(C4SSU_ModelViewMatrix, modelview);
}
// enable additive blending for particles with that blit mode
glBlendFunc(GL_SRC_ALPHA, (blitMode & C4GFXBLIT_ADDITIVE) ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA);
glActiveTexture(texUnit);
glBindTexture(GL_TEXTURE_2D, textureRef->texName);
// generate the buffer as necessary
if (drawingDataVertexBufferObject == 0)
{
// clear up old data
ClearBufferObjects();
// generate new buffer objects
glGenBuffers(1, &drawingDataVertexBufferObject);
assert (drawingDataVertexBufferObject != 0 && "Could not generate OpenGL buffer object.");
// Immediately bind the buffer.
// glVertexAttribPointer requires a valid GL_ARRAY_BUFFER to be bound and we need the buffer to be created for glObjectLabel.
glBindBuffer(GL_ARRAY_BUFFER, drawingDataVertexBufferObject);
#ifdef GL_KHR_debug
if (glObjectLabel)
glObjectLabel(GL_BUFFER, drawingDataVertexBufferObject, -1, "<particles>/VBO");
#endif
// generate new VAO ID
drawingDataVertexArraysObject = pGL->GenVAOID();
assert (drawingDataVertexArraysObject != 0 && "Could not generate a VAO ID.");
}
// Push the new vertex data
glBindBuffer(GL_ARRAY_BUFFER, drawingDataVertexBufferObject);
glBufferData(GL_ARRAY_BUFFER, 4 * sizeof(C4Particle::DrawingData::Vertex) * particleCount, &vertexCoordinates[0], GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
// set up the vertex array structure
GLuint vao;
const bool has_vao = pGL->GetVAO(drawingDataVertexArraysObject, vao);
glBindVertexArray(vao);
assert ((drawingDataVertexBufferObject != 0) && "No buffer object has been created yet.");
assert ((drawingDataVertexArraysObject != 0) && "No vertex arrays object has been created yet.");
if (!has_vao)
{
glBindBuffer(GL_ARRAY_BUFFER, drawingDataVertexBufferObject);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ::Particles.GetIBO());
#ifdef GL_KHR_debug
if (glObjectLabel)
glObjectLabel(GL_VERTEX_ARRAY, vao, -1, "<particles>/VAO");
#endif
glEnableVertexAttribArray(call.GetAttribute(C4SSA_Position));
glEnableVertexAttribArray(call.GetAttribute(C4SSA_Color));
glEnableVertexAttribArray(call.GetAttribute(C4SSA_TexCoord));
glVertexAttribPointer(call.GetAttribute(C4SSA_Position), 2, GL_FLOAT, GL_FALSE, stride, reinterpret_cast<GLvoid*>(offsetof(C4Particle::DrawingData::Vertex, x)));
glVertexAttribPointer(call.GetAttribute(C4SSA_TexCoord), 2, GL_FLOAT, GL_FALSE, stride, reinterpret_cast<GLvoid*>(offsetof(C4Particle::DrawingData::Vertex, u)));
glVertexAttribPointer(call.GetAttribute(C4SSA_Color), 4, GL_FLOAT, GL_FALSE, stride, reinterpret_cast<GLvoid*>(offsetof(C4Particle::DrawingData::Vertex, r)));
}
glDrawElements(GL_TRIANGLE_STRIP, static_cast<GLsizei> (5 * particleCount), GL_UNSIGNED_INT, 0);
// reset buffer data
glBindVertexArray(0);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL43_nglObjectLabel(JNIEnv *env, jclass clazz, jint identifier, jint name, jint length, jlong label, jlong function_pointer) {
const GLchar *label_address = (const GLchar *)(intptr_t)label;
glObjectLabelPROC glObjectLabel = (glObjectLabelPROC)((intptr_t)function_pointer);
glObjectLabel(identifier, name, length, label_address);
}
// Read/compile/link shaders
GLuint pie_LoadShader(const char *programName, const char *vertexPath, const char *fragmentPath)
{
SHADER_PROGRAM program;
GLint status;
bool success = true; // Assume overall success
char *buffer[2];
memset(&program, 0, sizeof(program));
program.program = glCreateProgram();
ASSERT_OR_RETURN(false, program.program, "Could not create shader program!");
*buffer = (char *)"";
if (vertexPath)
{
success = false; // Assume failure before reading shader file
if ((*(buffer + 1) = readShaderBuf(vertexPath)))
{
GLuint shader = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(shader, 2, (const char **)buffer, NULL);
glCompileShader(shader);
// Check for compilation errors
glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
if (!status)
{
debug(LOG_ERROR, "Vertex shader compilation has failed [%s]", vertexPath);
printShaderInfoLog(LOG_ERROR, shader);
}
else
{
printShaderInfoLog(LOG_3D, shader);
glAttachShader(program.program, shader);
success = true;
}
if (GLEW_VERSION_4_3 || GLEW_KHR_debug)
{
glObjectLabel(GL_SHADER, shader, -1, vertexPath);
}
free(*(buffer + 1));
}
}
if (success && fragmentPath)
{
success = false; // Assume failure before reading shader file
if ((*(buffer + 1) = readShaderBuf(fragmentPath)))
{
GLuint shader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(shader, 2, (const char **)buffer, NULL);
glCompileShader(shader);
// Check for compilation errors
glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
if (!status)
{
debug(LOG_ERROR, "Fragment shader compilation has failed [%s]", fragmentPath);
printShaderInfoLog(LOG_ERROR, shader);
}
else
{
printShaderInfoLog(LOG_3D, shader);
glAttachShader(program.program, shader);
success = true;
}
if (GLEW_VERSION_4_3 || GLEW_KHR_debug)
{
glObjectLabel(GL_SHADER, shader, -1, fragmentPath);
}
free(*(buffer + 1));
}
}
if (success)
{
glLinkProgram(program.program);
// Check for linkage errors
glGetProgramiv(program.program, GL_LINK_STATUS, &status);
if (!status)
{
debug(LOG_ERROR, "Shader program linkage has failed [%s, %s]", vertexPath, fragmentPath);
printProgramInfoLog(LOG_ERROR, program.program);
success = false;
}
else
{
printProgramInfoLog(LOG_3D, program.program);
}
if (GLEW_VERSION_4_3 || GLEW_KHR_debug)
{
glObjectLabel(GL_PROGRAM, program.program, -1, programName);
}
}
getLocs(&program);
glUseProgram(0);
shaderProgram.append(program);
return shaderProgram.size() - 1;
}
