// --------------------------------------------------------------------------------------------------------------------
bool UntexturedObjectsGLBufferStorage::Init(const std::vector<UntexturedObjectsProblem::Vertex>& _vertices,
const std::vector<UntexturedObjectsProblem::Index>& _indices,
size_t _objectCount)
{
if (glBufferStorage == nullptr) {
console::warn("Unable to initialize solution '%s', glBufferStorage() unavailable.", GetName().c_str());
return false;
}
if (!UntexturedObjectsSolution::Init(_vertices, _indices, _objectCount)) {
return false;
}
if (mUseShaderDrawParameters && !HasExtension("GL_ARB_shader_draw_parameters")) {
console::warn("Unable to initialize solution, ARB_shader_draw_parameters is required but not available.");
return false;
}
// Program
const char* kUniformNames[] = { "ViewProjection", nullptr };
m_prog = CreateProgramT("cubes_gl_buffer_storage_vs.glsl",
"cubes_gl_buffer_storage_fs.glsl",
mUseShaderDrawParameters ? std::string("#define USE_SHADER_DRAW_PARAMETERS 1\n") : std::string(""),
kUniformNames, &mUniformLocation);
if (m_prog == 0) {
console::warn("Unable to initialize solution '%s', shader compilation/linking failed.", GetName().c_str());
return false;
}
glGenVertexArrays(1, &m_varray);
glBindVertexArray(m_varray);
// Buffers
glGenBuffers(1, &m_vb);
glBindBuffer(GL_ARRAY_BUFFER, m_vb);
glBufferData(GL_ARRAY_BUFFER, _vertices.size() * sizeof(UntexturedObjectsProblem::Vertex), &*_vertices.begin(), GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(UntexturedObjectsProblem::Vertex), (void*) offsetof(UntexturedObjectsProblem::Vertex, pos));
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(UntexturedObjectsProblem::Vertex), (void*) offsetof(UntexturedObjectsProblem::Vertex, color));
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
// If we aren't using shader draw parameters, use the workaround instead.
if (!mUseShaderDrawParameters) {
std::vector<uint32_t> drawids(_objectCount);
for (uint32_t i = 0; i < _objectCount; ++i) {
drawids[i] = i;
}
glGenBuffers(1, &m_drawid);
glBindBuffer(GL_ARRAY_BUFFER, m_drawid);
glBufferData(GL_ARRAY_BUFFER, drawids.size() * sizeof(uint32_t), drawids.data(), GL_STATIC_DRAW);
glVertexAttribIPointer(2, 1, GL_UNSIGNED_INT, sizeof(uint32_t), 0);
glVertexAttribDivisor(2, 1);
glEnableVertexAttribArray(2);
}
glGenBuffers(1, &m_ib);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_ib);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, _indices.size() * sizeof(UntexturedObjectsProblem::Index), &*_indices.begin(), GL_STATIC_DRAW);
glGenBuffers(1, &m_transform_buffer);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, m_transform_buffer);
glBufferStorage(GL_SHADER_STORAGE_BUFFER, _objectCount * 64, nullptr, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_DYNAMIC_STORAGE_BIT);
m_transform_ptr = glMapBufferRange(GL_SHADER_STORAGE_BUFFER, 0, _objectCount * 64, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
glGenBuffers(1, &m_cmd_buffer);
glBindBuffer(GL_DRAW_INDIRECT_BUFFER, m_cmd_buffer);
glBufferStorage(GL_DRAW_INDIRECT_BUFFER, _objectCount * sizeof(DrawElementsIndirectCommand), nullptr, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_DYNAMIC_STORAGE_BIT);
m_cmd_ptr = glMapBufferRange(GL_DRAW_INDIRECT_BUFFER, 0, _objectCount * sizeof(DrawElementsIndirectCommand), GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
// Set the command buffer size.
m_commands.resize(_objectCount);
return glGetError() == GL_NO_ERROR;
}
bool
GLXLibrary::EnsureInitialized(LibType libType)
{
if (mInitialized) {
return true;
}
// Don't repeatedly try to initialize.
if (mTriedInitializing) {
return false;
}
mTriedInitializing = true;
// Force enabling s3 texture compression. (Bug 774134)
PR_SetEnv("force_s3tc_enable=true");
if (!mOGLLibrary) {
const char* libGLfilename = nullptr;
bool forceFeatureReport = false;
switch (libType) {
case MESA_LLVMPIPE_LIB:
libGLfilename = "mesallvmpipe.so";
forceFeatureReport = true;
break;
case OPENGL_LIB:
// see e.g. bug 608526: it is intrinsically interesting to know whether we have dynamically linked to libGL.so.1
// because at least the NVIDIA implementation requires an executable stack, which causes mprotect calls,
// which trigger glibc bug http://sourceware.org/bugzilla/show_bug.cgi?id=12225
#ifdef __OpenBSD__
libGLfilename = "libGL.so";
#else
libGLfilename = "libGL.so.1";
#endif
break;
default:
MOZ_CRASH("Invalid GLX library type.");
}
ScopedGfxFeatureReporter reporter(libGLfilename, forceFeatureReport);
mOGLLibrary = PR_LoadLibrary(libGLfilename);
if (!mOGLLibrary) {
NS_WARNING("Couldn't load OpenGL shared library.");
return false;
}
reporter.SetSuccessful();
}
if (PR_GetEnv("MOZ_GLX_DEBUG")) {
mDebug = true;
}
GLLibraryLoader::SymLoadStruct symbols[] = {
/* functions that were in GLX 1.0 */
{ (PRFuncPtr*) &xDestroyContextInternal, { "glXDestroyContext", nullptr } },
{ (PRFuncPtr*) &xMakeCurrentInternal, { "glXMakeCurrent", nullptr } },
{ (PRFuncPtr*) &xSwapBuffersInternal, { "glXSwapBuffers", nullptr } },
{ (PRFuncPtr*) &xQueryVersionInternal, { "glXQueryVersion", nullptr } },
{ (PRFuncPtr*) &xGetCurrentContextInternal, { "glXGetCurrentContext", nullptr } },
{ (PRFuncPtr*) &xWaitGLInternal, { "glXWaitGL", nullptr } },
{ (PRFuncPtr*) &xWaitXInternal, { "glXWaitX", nullptr } },
/* functions introduced in GLX 1.1 */
{ (PRFuncPtr*) &xQueryExtensionsStringInternal, { "glXQueryExtensionsString", nullptr } },
{ (PRFuncPtr*) &xGetClientStringInternal, { "glXGetClientString", nullptr } },
{ (PRFuncPtr*) &xQueryServerStringInternal, { "glXQueryServerString", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols13[] = {
/* functions introduced in GLX 1.3 */
{ (PRFuncPtr*) &xChooseFBConfigInternal, { "glXChooseFBConfig", nullptr } },
{ (PRFuncPtr*) &xGetFBConfigAttribInternal, { "glXGetFBConfigAttrib", nullptr } },
// WARNING: xGetFBConfigs not set in symbols13_ext
{ (PRFuncPtr*) &xGetFBConfigsInternal, { "glXGetFBConfigs", nullptr } },
// WARNING: symbols13_ext sets xCreateGLXPixmapWithConfig instead
{ (PRFuncPtr*) &xCreatePixmapInternal, { "glXCreatePixmap", nullptr } },
{ (PRFuncPtr*) &xDestroyPixmapInternal, { "glXDestroyPixmap", nullptr } },
{ (PRFuncPtr*) &xCreateNewContextInternal, { "glXCreateNewContext", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols13_ext[] = {
/* extension equivalents for functions introduced in GLX 1.3 */
// GLX_SGIX_fbconfig extension
{ (PRFuncPtr*) &xChooseFBConfigInternal, { "glXChooseFBConfigSGIX", nullptr } },
{ (PRFuncPtr*) &xGetFBConfigAttribInternal, { "glXGetFBConfigAttribSGIX", nullptr } },
// WARNING: no xGetFBConfigs equivalent in extensions
// WARNING: different from symbols13:
{ (PRFuncPtr*) &xCreateGLXPixmapWithConfigInternal, { "glXCreateGLXPixmapWithConfigSGIX", nullptr } },
{ (PRFuncPtr*) &xDestroyPixmapInternal, { "glXDestroyGLXPixmap", nullptr } }, // not from ext
{ (PRFuncPtr*) &xCreateNewContextInternal, { "glXCreateContextWithConfigSGIX", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols14[] = {
/* functions introduced in GLX 1.4 */
{ (PRFuncPtr*) &xGetProcAddressInternal, { "glXGetProcAddress", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols14_ext[] = {
/* extension equivalents for functions introduced in GLX 1.4 */
// GLX_ARB_get_proc_address extension
{ (PRFuncPtr*) &xGetProcAddressInternal, { "glXGetProcAddressARB", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols_texturefrompixmap[] = {
{ (PRFuncPtr*) &xBindTexImageInternal, { "glXBindTexImageEXT", nullptr } },
{ (PRFuncPtr*) &xReleaseTexImageInternal, { "glXReleaseTexImageEXT", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct symbols_robustness[] = {
{ (PRFuncPtr*) &xCreateContextAttribsInternal, { "glXCreateContextAttribsARB", nullptr } },
{ nullptr, { nullptr } }
};
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, &symbols[0])) {
NS_WARNING("Couldn't find required entry point in OpenGL shared library");
return false;
}
Display *display = DefaultXDisplay();
int screen = DefaultScreen(display);
if (!xQueryVersion(display, &mGLXMajorVersion, &mGLXMinorVersion)) {
mGLXMajorVersion = 0;
mGLXMinorVersion = 0;
return false;
}
if (!GLXVersionCheck(1, 1))
// Not possible to query for extensions.
return false;
const char *clientVendor = xGetClientString(display, LOCAL_GLX_VENDOR);
const char *serverVendor = xQueryServerString(display, screen, LOCAL_GLX_VENDOR);
const char *extensionsStr = xQueryExtensionsString(display, screen);
GLLibraryLoader::SymLoadStruct *sym13;
if (!GLXVersionCheck(1, 3)) {
// Even if we don't have 1.3, we might have equivalent extensions
// (as on the Intel X server).
if (!HasExtension(extensionsStr, "GLX_SGIX_fbconfig")) {
return false;
}
sym13 = symbols13_ext;
} else {
sym13 = symbols13;
}
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, sym13)) {
NS_WARNING("Couldn't find required entry point in OpenGL shared library");
return false;
}
GLLibraryLoader::SymLoadStruct *sym14;
if (!GLXVersionCheck(1, 4)) {
// Even if we don't have 1.4, we might have equivalent extensions
// (as on the Intel X server).
if (!HasExtension(extensionsStr, "GLX_ARB_get_proc_address")) {
return false;
}
sym14 = symbols14_ext;
} else {
sym14 = symbols14;
}
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, sym14)) {
NS_WARNING("Couldn't find required entry point in OpenGL shared library");
return false;
}
if (HasExtension(extensionsStr, "GLX_EXT_texture_from_pixmap") &&
GLLibraryLoader::LoadSymbols(mOGLLibrary, symbols_texturefrompixmap,
(GLLibraryLoader::PlatformLookupFunction)&xGetProcAddress))
{
#ifdef MOZ_WIDGET_GTK
mUseTextureFromPixmap = gfxPlatformGtk::GetPlatform()->UseXRender();
#else
mUseTextureFromPixmap = true;
#endif
} else {
mUseTextureFromPixmap = false;
NS_WARNING("Texture from pixmap disabled");
}
if (HasExtension(extensionsStr, "GLX_ARB_create_context_robustness") &&
GLLibraryLoader::LoadSymbols(mOGLLibrary, symbols_robustness)) {
mHasRobustness = true;
}
mIsATI = serverVendor && DoesStringMatch(serverVendor, "ATI");
mIsNVIDIA = serverVendor && DoesStringMatch(serverVendor, "NVIDIA Corporation");
mClientIsMesa = clientVendor && DoesStringMatch(clientVendor, "Mesa");
mInitialized = true;
mLibType = libType;
return true;
}
void
WIN_GL_InitExtensions(_THIS)
{
const char *(WINAPI * wglGetExtensionsStringARB) (HDC) = 0;
const char *extensions;
HWND hwnd;
HDC hdc;
HGLRC hglrc;
PIXELFORMATDESCRIPTOR pfd;
if (!_this->gl_data) {
return;
}
hwnd =
CreateWindow(SDL_Appname, SDL_Appname, (WS_POPUP | WS_DISABLED), 0, 0,
10, 10, NULL, NULL, SDL_Instance, NULL);
if (!hwnd) {
return;
}
WIN_PumpEvents(_this);
hdc = GetDC(hwnd);
WIN_GL_SetupPixelFormat(_this, &pfd);
SetPixelFormat(hdc, ChoosePixelFormat(hdc, &pfd), &pfd);
hglrc = _this->gl_data->wglCreateContext(hdc);
if (!hglrc) {
return;
}
_this->gl_data->wglMakeCurrent(hdc, hglrc);
wglGetExtensionsStringARB = (const char *(WINAPI *) (HDC))
_this->gl_data->wglGetProcAddress("wglGetExtensionsStringARB");
if (wglGetExtensionsStringARB) {
extensions = wglGetExtensionsStringARB(hdc);
} else {
extensions = NULL;
}
/* Check for WGL_ARB_pixel_format */
_this->gl_data->HAS_WGL_ARB_pixel_format = SDL_FALSE;
if (HasExtension("WGL_ARB_pixel_format", extensions)) {
_this->gl_data->wglChoosePixelFormatARB = (BOOL(WINAPI *)
(HDC, const int *,
const FLOAT *, UINT,
int *, UINT *))
WIN_GL_GetProcAddress(_this, "wglChoosePixelFormatARB");
_this->gl_data->wglGetPixelFormatAttribivARB =
(BOOL(WINAPI *) (HDC, int, int, UINT, const int *, int *))
WIN_GL_GetProcAddress(_this, "wglGetPixelFormatAttribivARB");
if ((_this->gl_data->wglChoosePixelFormatARB != NULL) &&
(_this->gl_data->wglGetPixelFormatAttribivARB != NULL)) {
_this->gl_data->HAS_WGL_ARB_pixel_format = SDL_TRUE;
}
}
/* Check for WGL_EXT_swap_control */
_this->gl_data->HAS_WGL_EXT_swap_control_tear = SDL_FALSE;
if (HasExtension("WGL_EXT_swap_control", extensions)) {
_this->gl_data->wglSwapIntervalEXT =
WIN_GL_GetProcAddress(_this, "wglSwapIntervalEXT");
_this->gl_data->wglGetSwapIntervalEXT =
WIN_GL_GetProcAddress(_this, "wglGetSwapIntervalEXT");
if (HasExtension("WGL_EXT_swap_control_tear", extensions)) {
_this->gl_data->HAS_WGL_EXT_swap_control_tear = SDL_TRUE;
}
} else {
_this->gl_data->wglSwapIntervalEXT = NULL;
_this->gl_data->wglGetSwapIntervalEXT = NULL;
}
/* Check for WGL_EXT_create_context_es2_profile */
_this->gl_data->HAS_WGL_EXT_create_context_es2_profile = SDL_FALSE;
if (HasExtension("WGL_EXT_create_context_es2_profile", extensions)) {
_this->gl_data->HAS_WGL_EXT_create_context_es2_profile = SDL_TRUE;
}
/* Check for GLX_ARB_context_flush_control */
if (HasExtension("WGL_ARB_context_flush_control", extensions)) {
_this->gl_data->HAS_WGL_ARB_context_flush_control = SDL_TRUE;
}
_this->gl_data->wglMakeCurrent(hdc, NULL);
_this->gl_data->wglDeleteContext(hglrc);
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);
WIN_PumpEvents(_this);
}
bool
WGLLibrary::EnsureInitialized()
{
if (mInitialized)
return true;
mozilla::ScopedGfxFeatureReporter reporter("WGL");
std::string libGLFilename = "Opengl32.dll";
// SU_SPIES_DIRECTORY is for AMD CodeXL/gDEBugger
if (PR_GetEnv("SU_SPIES_DIRECTORY")) {
libGLFilename = std::string(PR_GetEnv("SU_SPIES_DIRECTORY")) + "\\opengl32.dll";
}
if (!mOGLLibrary) {
mOGLLibrary = PR_LoadLibrary(&libGLFilename[0]);
if (!mOGLLibrary) {
NS_WARNING("Couldn't load OpenGL library.");
return false;
}
}
GLLibraryLoader::SymLoadStruct earlySymbols[] = {
{ (PRFuncPtr*) &fCreateContext, { "wglCreateContext", nullptr } },
{ (PRFuncPtr*) &fMakeCurrent, { "wglMakeCurrent", nullptr } },
{ (PRFuncPtr*) &fGetProcAddress, { "wglGetProcAddress", nullptr } },
{ (PRFuncPtr*) &fDeleteContext, { "wglDeleteContext", nullptr } },
{ (PRFuncPtr*) &fGetCurrentContext, { "wglGetCurrentContext", nullptr } },
{ (PRFuncPtr*) &fGetCurrentDC, { "wglGetCurrentDC", nullptr } },
{ (PRFuncPtr*) &fShareLists, { "wglShareLists", nullptr } },
{ nullptr, { nullptr } }
};
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, &earlySymbols[0])) {
NS_WARNING("Couldn't find required entry points in OpenGL DLL (early init)");
return false;
}
// This is ridiculous -- we have to actually create a context to
// get the OpenGL ICD to load.
mWindow = CreateDummyWindow(&mWindowDC);
NS_ENSURE_TRUE(mWindow, false);
// create rendering context
mWindowGLContext = fCreateContext(mWindowDC);
NS_ENSURE_TRUE(mWindowGLContext, false);
HGLRC curCtx = fGetCurrentContext();
HDC curDC = fGetCurrentDC();
if (!fMakeCurrent((HDC)mWindowDC, (HGLRC)mWindowGLContext)) {
NS_WARNING("wglMakeCurrent failed");
return false;
}
// Now we can grab all the other symbols that we couldn't without having
// a context current.
GLLibraryLoader::SymLoadStruct pbufferSymbols[] = {
{ (PRFuncPtr*) &fCreatePbuffer, { "wglCreatePbufferARB", "wglCreatePbufferEXT", nullptr } },
{ (PRFuncPtr*) &fDestroyPbuffer, { "wglDestroyPbufferARB", "wglDestroyPbufferEXT", nullptr } },
{ (PRFuncPtr*) &fGetPbufferDC, { "wglGetPbufferDCARB", "wglGetPbufferDCEXT", nullptr } },
{ (PRFuncPtr*) &fBindTexImage, { "wglBindTexImageARB", "wglBindTexImageEXT", nullptr } },
{ (PRFuncPtr*) &fReleaseTexImage, { "wglReleaseTexImageARB", "wglReleaseTexImageEXT", nullptr } },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct pixFmtSymbols[] = {
{ (PRFuncPtr*) &fChoosePixelFormat, { "wglChoosePixelFormatARB", "wglChoosePixelFormatEXT", nullptr } },
{ (PRFuncPtr*) &fGetPixelFormatAttribiv, { "wglGetPixelFormatAttribivARB", "wglGetPixelFormatAttribivEXT", nullptr } },
{ nullptr, { nullptr } }
};
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, &pbufferSymbols[0],
(GLLibraryLoader::PlatformLookupFunction)fGetProcAddress))
{
// this isn't an error, just means that pbuffers aren't supported
fCreatePbuffer = nullptr;
}
if (!GLLibraryLoader::LoadSymbols(mOGLLibrary, &pixFmtSymbols[0],
(GLLibraryLoader::PlatformLookupFunction)fGetProcAddress))
{
// this isn't an error, just means that we don't have the pixel format extension
fChoosePixelFormat = nullptr;
}
GLLibraryLoader::SymLoadStruct extensionsSymbols[] = {
{ (PRFuncPtr *) &fGetExtensionsString, { "wglGetExtensionsStringARB", nullptr} },
{ nullptr, { nullptr } }
};
GLLibraryLoader::SymLoadStruct robustnessSymbols[] = {
{ (PRFuncPtr *) &fCreateContextAttribs, { "wglCreateContextAttribsARB", nullptr} },
{ nullptr, { nullptr } }
};
if (GLLibraryLoader::LoadSymbols(mOGLLibrary, &extensionsSymbols[0],
(GLLibraryLoader::PlatformLookupFunction)fGetProcAddress)) {
const char *wglExts = fGetExtensionsString(mWindowDC);
if (wglExts && HasExtension(wglExts, "WGL_ARB_create_context")) {
GLLibraryLoader::LoadSymbols(mOGLLibrary, &robustnessSymbols[0],
(GLLibraryLoader::PlatformLookupFunction)fGetProcAddress);
if (HasExtension(wglExts, "WGL_ARB_create_context_robustness")) {
mHasRobustness = true;
}
}
}
// reset back to the previous context, just in case
fMakeCurrent(curDC, curCtx);
if (mHasRobustness) {
fDeleteContext(mWindowGLContext);
int attribs[] = {
LOCAL_WGL_CONTEXT_FLAGS_ARB, LOCAL_WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB,
LOCAL_WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB, LOCAL_WGL_LOSE_CONTEXT_ON_RESET_ARB,
0
};
mWindowGLContext = fCreateContextAttribs(mWindowDC, nullptr, attribs);
if (!mWindowGLContext) {
mHasRobustness = false;
mWindowGLContext = fCreateContext(mWindowDC);
}
}
mInitialized = true;
// Call this to create the global GLContext instance,
// and to check for errors. Note that this must happen /after/
// setting mInitialized to TRUE, or an infinite loop results.
if (GLContextProviderWGL::GetGlobalContext() == nullptr) {
mInitialized = false;
return false;
}
reporter.SetSuccessful();
return true;
}
// --------------------------------------------------------------------------------------------------------------------
bool TexturedQuadsGLSparseBindlessTextureArrayMultiDraw::Init(const std::vector<TexturedQuadsProblem::Vertex>& _vertices,
const std::vector<TexturedQuadsProblem::Index>& _indices,
const std::vector<TextureDetails*>& _textures,
size_t _objectCount)
{
if (!TexturedQuadsSolution::Init(_vertices, _indices, _textures, _objectCount)) {
return false;
}
// Prerequisites
if (!mTexManager.Init()) {
return false;
}
if (glGetTextureHandleARB == nullptr) {
console::warn("Unable to initialize solution '%s', requires support for bindless textures (not present).", GetName().c_str());
return false;
}
if (mUseShaderDrawParameters && !HasExtension(ARB_shader_draw_parameters)) {
console::warn("Unable to initialize solution, ARB_shader_draw_parameters is required but not available.");
return false;
}
// Program
mProgram = CreateProgram("textures_gl_sparse_bindless_texture_array_multidraw_vs.glsl",
"textures_gl_sparse_bindless_texture_array_multidraw_fs.glsl",
mUseShaderDrawParameters ? std::string("#define USE_SHADER_DRAW_PARAMETERS 1\n") : std::string("")
);
if (mProgram == 0) {
console::warn("Unable to initialize solution '%s', shader compilation/linking failed.", GetName().c_str());
return false;
}
// Textures
for (auto it = _textures.begin(); it != _textures.end(); ++it) {
mTextures.push_back(mTexManager.newTexture2DFromDetails(*it));
}
// Buffers
mVertexBuffer = NewBufferFromVector(GL_ARRAY_BUFFER, _vertices, GL_STATIC_DRAW);
mIndexBuffer = NewBufferFromVector(GL_ELEMENT_ARRAY_BUFFER, _indices, GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(TexturedQuadsProblem::Vertex), (void*)offsetof(TexturedQuadsProblem::Vertex, pos));
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(TexturedQuadsProblem::Vertex), (void*)offsetof(TexturedQuadsProblem::Vertex, tex));
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
// If we aren't using shader draw parameters, use the workaround instead.
if (!mUseShaderDrawParameters) {
std::vector<uint32_t> drawids(_objectCount);
for (uint32_t i = 0; i < _objectCount; ++i) {
drawids[i] = i;
}
mDrawIDBuffer = NewBufferFromVector(GL_ARRAY_BUFFER, drawids, GL_STATIC_DRAW);
glVertexAttribIPointer(2, 1, GL_UNSIGNED_INT, sizeof(uint32_t), 0);
glVertexAttribDivisor(2, 1);
glEnableVertexAttribArray(2);
}
glGenBuffers(1, &mTransformBuffer);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, mTransformBuffer);
auto srcIt = mTextures.cbegin();
std::vector<TexAddress> texAddressContents(_objectCount);
for (auto dstIt = texAddressContents.begin(); dstIt != texAddressContents.end(); ++dstIt) {
if (srcIt == mTextures.cend()) {
srcIt = mTextures.cbegin();
}
(*dstIt) = (*srcIt)->GetAddress();
++srcIt;
}
mTexAddressBuffer = NewBufferFromVector(GL_SHADER_STORAGE_BUFFER, texAddressContents, GL_DYNAMIC_DRAW);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, mTexAddressBuffer);
mCommands.resize(_objectCount);
return glGetError() == GL_NO_ERROR;
}
void GL::Initialize()
{
MOZ_ASSERT(IsCurrent());
memset(mSupportedExtensions, 0, sizeof(mSupportedExtensions));
stringstream extensions(reinterpret_cast<const char*>(GetString(GL_EXTENSIONS)));
istream_iterator<string> iter(extensions);
istream_iterator<string> end;
for (; iter != end; iter++) {
const string& extension = *iter;
if (*iter == "GL_EXT_direct_state_access") {
mSupportedExtensions[EXT_direct_state_access] = true;
continue;
}
if (*iter == "GL_NV_path_rendering") {
mSupportedExtensions[NV_path_rendering] = true;
continue;
}
if (*iter == "GL_EXT_framebuffer_multisample") {
mSupportedExtensions[EXT_framebuffer_multisample] = true;
continue;
}
if (*iter == "GL_EXT_framebuffer_blit") {
mSupportedExtensions[EXT_framebuffer_blit] = true;
continue;
}
if (*iter == "GL_EXT_texture_filter_anisotropic") {
mSupportedExtensions[EXT_texture_filter_anisotropic] = true;
continue;
}
}
GetIntegerv(GL_MAX_RENDERBUFFER_SIZE, &mMaxRenderbufferSize);
GetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
GetIntegerv(GL_MAX_CLIP_PLANES, &mMaxClipPlanes);
if (HasExtension(EXT_texture_filter_anisotropic)) {
GetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &mMaxAnisotropy);
} else {
mMaxAnisotropy = 1;
}
GenFramebuffers(1, &mTextureFramebuffer1D);
GenFramebuffers(1, &mTextureFramebuffer2D);
TexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
TexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
EnableClientState(GL_VERTEX_ARRAY);
EnableClientState(GL_TEXTURE_COORD_ARRAY);
DebugMessageCallback(GLDebugCallback, nullptr);
DebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, nullptr, GL_TRUE);
Enable(GL_DEBUG_OUTPUT);
mIsValid = true;
}
static void
X11_GL_InitExtensions(_THIS)
{
Display *display = ((SDL_VideoData *) _this->driverdata)->display;
int screen = ((SDL_DisplayData *) SDL_CurrentDisplay->driverdata)->screen;
XVisualInfo *vinfo;
XSetWindowAttributes xattr;
Window w;
GLXContext context;
const char *(*glXQueryExtensionsStringFunc) (Display *, int);
const char *extensions;
vinfo = X11_GL_GetVisual(_this, display, screen);
if (!vinfo) {
return;
}
xattr.background_pixel = 0;
xattr.border_pixel = 0;
xattr.colormap =
XCreateColormap(display, RootWindow(display, screen), vinfo->visual,
AllocNone);
w = XCreateWindow(display, RootWindow(display, screen), 0, 0, 32, 32, 0,
vinfo->depth, InputOutput, vinfo->visual,
(CWBackPixel | CWBorderPixel | CWColormap), &xattr);
context = _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
if (context) {
_this->gl_data->glXMakeCurrent(display, w, context);
}
XFree(vinfo);
glXQueryExtensionsStringFunc =
(const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this,
"glXQueryExtensionsString");
if (glXQueryExtensionsStringFunc) {
extensions = glXQueryExtensionsStringFunc(display, screen);
} else {
extensions = NULL;
}
/* Check for SGI_swap_control */
if (HasExtension("GLX_SGI_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalSGI =
(int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI");
}
/* Check for GLX_MESA_swap_control */
if (HasExtension("GLX_MESA_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalMESA =
(GLint(*)(unsigned)) X11_GL_GetProcAddress(_this,
"glXSwapIntervalMESA");
_this->gl_data->glXGetSwapIntervalMESA =
(GLint(*)(void)) X11_GL_GetProcAddress(_this,
"glXGetSwapIntervalMESA");
}
/* Check for GLX_EXT_visual_rating */
if (HasExtension("GLX_EXT_visual_rating", extensions)) {
_this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE;
}
if (context) {
_this->gl_data->glXMakeCurrent(display, None, NULL);
_this->gl_data->glXDestroyContext(display, context);
}
XDestroyWindow(display, w);
X11_PumpEvents(_this);
}
int GLWorker::Compositor::Init() {
int ret = 0;
const char *egl_extensions;
const char *gl_extensions;
EGLint num_configs;
EGLint attribs[] = {EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE, EGL_NONE};
EGLConfig egl_config;
// clang-format off
const GLfloat verts[] = {
0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 2.0f, 0.0f, 2.0f,
2.0f, 0.0f, 2.0f, 0.0f
};
// clang-format on
const EGLint config_attribs[] = {EGL_RENDERABLE_TYPE,
EGL_OPENGL_ES2_BIT,
EGL_RED_SIZE,
8,
EGL_GREEN_SIZE,
8,
EGL_BLUE_SIZE,
8,
EGL_NONE};
const EGLint context_attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 3, EGL_NONE};
egl_display_ = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (egl_display_ == EGL_NO_DISPLAY) {
ALOGE("Failed to get egl display");
return 1;
}
if (!eglInitialize(egl_display_, NULL, NULL)) {
ALOGE("Failed to initialize egl: %s", GetEGLError());
return 1;
}
egl_extensions = eglQueryString(egl_display_, EGL_EXTENSIONS);
// These extensions are all technically required but not always reported due
// to meta EGL filtering them out.
if (!HasExtension("EGL_KHR_image_base", egl_extensions))
ALOGW("EGL_KHR_image_base extension not supported");
if (!HasExtension("EGL_ANDROID_image_native_buffer", egl_extensions))
ALOGW("EGL_ANDROID_image_native_buffer extension not supported");
if (!HasExtension("EGL_ANDROID_native_fence_sync", egl_extensions))
ALOGW("EGL_ANDROID_native_fence_sync extension not supported");
if (!eglChooseConfig(egl_display_, config_attribs, &egl_config, 1,
&num_configs)) {
ALOGE("eglChooseConfig() failed with error: %s", GetEGLError());
return 1;
}
egl_ctx_ =
eglCreateContext(egl_display_, egl_config,
EGL_NO_CONTEXT /* No shared context */, context_attribs);
if (egl_ctx_ == EGL_NO_CONTEXT) {
ALOGE("Failed to create OpenGL ES Context: %s", GetEGLError());
return 1;
}
if (!eglMakeCurrent(egl_display_, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_ctx_)) {
ALOGE("Failed to make the OpenGL ES Context current: %s", GetEGLError());
return 1;
}
gl_extensions = (const char *)glGetString(GL_EXTENSIONS);
if (!HasExtension("GL_OES_EGL_image", gl_extensions))
ALOGW("GL_OES_EGL_image extension not supported");
GLuint vertex_buffer;
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(verts), verts, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
vertex_buffer_.reset(vertex_buffer);
if (GenerateShaders(&blend_programs_)) {
return 1;
}
return 0;
}
// --------------------------------------------------------------------------------------------------------------------
bool TexturedQuadsGLTextureArrayMultiDraw::Init(const std::vector<TexturedQuadsProblem::Vertex>& _vertices,
const std::vector<TexturedQuadsProblem::Index>& _indices,
const std::vector<TextureDetails*>& _textures,
size_t _objectCount)
{
if (!TexturedQuadsSolution::Init(_vertices, _indices, _textures, _objectCount)) {
return false;
}
// Prerequisites
auto numTextures = _textures.size();
if (!mTexManager.Init(false, numTextures)) {
return false;
}
if (mUseShaderDrawParameters && !HasExtension("GL_ARB_shader_draw_parameters")) {
console::warn("Unable to initialize solution, ARB_shader_draw_parameters is required but not available.");
return false;
}
// Program
const char* kUniformNames[] = { "ViewProjection", "TexContainer", nullptr };
mProgram = CreateProgramT("textures_gl_texture_array_multidraw_vs.glsl",
"textures_gl_texture_array_multidraw_fs.glsl",
mUseShaderDrawParameters ? std::string("#define USE_SHADER_DRAW_PARAMETERS 1\n") : std::string(""),
kUniformNames, &mUniformLocation);
if (mProgram == 0) {
console::warn("Unable to initialize solution '%s', shader compilation/linking failed.", GetName().c_str());
return false;
}
// Textures
for (auto it = _textures.begin(); it != _textures.end(); ++it) {
mTextures.push_back(mTexManager.newTexture2DFromDetails(*it));
}
GLint lastTexId = -1;
GLint lastTexUnit = -1;
std::vector<DenseTexAddress> texAddress(numTextures);
for (size_t i = 0; i < numTextures; ++i) {
auto texture = mTextures[i];
auto texId = texture->GetTexId();
if (lastTexId != texId) {
lastTexId = texId;
lastTexUnit = (GLint) mTexUnits.size();
glActiveTexture(GL_TEXTURE0 + lastTexUnit);
glBindTexture(GL_TEXTURE_2D_ARRAY, texId);
mTexUnits.push_back(lastTexUnit);
}
texAddress[i].m_container_index = lastTexUnit;
texAddress[i].m_layer = ((float) texture->getSliceNum() + 0.5f) / numTextures;
}
std::vector<DenseTexAddress> texAddressContents(_objectCount);
for (uint32_t i = 0; i < _objectCount; ++i) {
texAddressContents[i] = texAddress[i % numTextures];
}
mTexAddressBuffer = NewBufferFromVector(GL_SHADER_STORAGE_BUFFER, texAddressContents, GL_DYNAMIC_DRAW);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, mTexAddressBuffer);
// Buffers
glGenVertexArrays(1, &mVertexArray);
glBindVertexArray(mVertexArray);
mVertexBuffer = NewBufferFromVector(GL_ARRAY_BUFFER, _vertices, GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(TexturedQuadsProblem::Vertex), (void*)offsetof(TexturedQuadsProblem::Vertex, pos));
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(TexturedQuadsProblem::Vertex), (void*)offsetof(TexturedQuadsProblem::Vertex, tex));
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
// If we aren't using shader draw parameters, use the workaround instead.
if (!mUseShaderDrawParameters) {
std::vector<uint32_t> drawids(_objectCount);
for (uint32_t i = 0; i < _objectCount; ++i) {
drawids[i] = i;
}
mDrawIDBuffer = NewBufferFromVector(GL_ARRAY_BUFFER, drawids, GL_STATIC_DRAW);
glVertexAttribIPointer(2, 1, GL_UNSIGNED_INT, sizeof(uint32_t), 0);
glVertexAttribDivisor(2, 1);
glEnableVertexAttribArray(2);
}
mIndexBuffer = NewBufferFromVector(GL_ELEMENT_ARRAY_BUFFER, _indices, GL_STATIC_DRAW);
glGenBuffers(1, &mTransformBuffer);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, mTransformBuffer);
// Set the command buffer size.
m_commands.resize(_objectCount);
return glGetError() == GL_NO_ERROR;
}
static void
X11_GL_InitExtensions(_THIS)
{
Display *display = ((SDL_VideoData *) _this->driverdata)->display;
const int screen = DefaultScreen(display);
const char *(*glXQueryExtensionsStringFunc) (Display *, int);
const char *extensions;
glXQueryExtensionsStringFunc =
(const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this,
"glXQueryExtensionsString");
if (glXQueryExtensionsStringFunc) {
extensions = glXQueryExtensionsStringFunc(display, screen);
} else {
extensions = NULL;
}
/* Check for GLX_EXT_swap_control(_tear) */
_this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_FALSE;
if (HasExtension("GLX_EXT_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalEXT =
(void (*)(Display*,GLXDrawable,int))
X11_GL_GetProcAddress(_this, "glXSwapIntervalEXT");
if (HasExtension("GLX_EXT_swap_control_tear", extensions)) {
_this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_TRUE;
}
}
/* Check for GLX_MESA_swap_control */
if (HasExtension("GLX_MESA_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalMESA =
(int(*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalMESA");
_this->gl_data->glXGetSwapIntervalMESA =
(int(*)(void)) X11_GL_GetProcAddress(_this,
"glXGetSwapIntervalMESA");
}
/* Check for GLX_SGI_swap_control */
if (HasExtension("GLX_SGI_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalSGI =
(int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI");
}
/* Check for GLX_ARB_create_context */
if (HasExtension("GLX_ARB_create_context", extensions)) {
_this->gl_data->glXCreateContextAttribsARB =
(GLXContext (*)(Display*,GLXFBConfig,GLXContext,Bool,const int *))
X11_GL_GetProcAddress(_this, "glXCreateContextAttribsARB");
_this->gl_data->glXChooseFBConfig =
(GLXFBConfig *(*)(Display *, int, const int *, int *))
X11_GL_GetProcAddress(_this, "glXChooseFBConfig");
}
/* Check for GLX_EXT_visual_rating */
if (HasExtension("GLX_EXT_visual_rating", extensions)) {
_this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE;
}
/* Check for GLX_EXT_visual_info */
if (HasExtension("GLX_EXT_visual_info", extensions)) {
_this->gl_data->HAS_GLX_EXT_visual_info = SDL_TRUE;
}
/* Check for GLX_EXT_create_context_es2_profile */
if (HasExtension("GLX_EXT_create_context_es2_profile", extensions)) {
_this->gl_data->HAS_GLX_EXT_create_context_es2_profile = SDL_TRUE;
}
/* Check for GLX_ARB_context_flush_control */
if (HasExtension("GLX_ARB_context_flush_control", extensions)) {
_this->gl_data->HAS_GLX_ARB_context_flush_control = SDL_TRUE;
}
}
/**
* It creates an OpenGL vout display.
*/
static int Open(vlc_object_t *object)
{
vout_display_t *vd = (vout_display_t *)object;
vout_display_sys_t *sys;
/* Allocate structure */
vd->sys = sys = (vout_display_sys_t *)calloc(1, sizeof(*sys)); // sunqueen modify
if (!sys)
return VLC_ENOMEM;
/* */
if (CommonInit(vd))
goto error;
EventThreadUpdateTitle(sys->event, VOUT_TITLE " (OpenGL output)");
/* process selected GPU affinity */
int nVidiaAffinity = var_InheritInteger(vd, "gpu-affinity");
if (nVidiaAffinity >= 0) CreateGPUAffinityDC(vd, nVidiaAffinity);
/* */
sys->hGLDC = GetDC(sys->hvideownd);
/* Set the pixel format for the DC */
PIXELFORMATDESCRIPTOR pfd;
memset(&pfd, 0, sizeof(pfd));
pfd.nSize = sizeof(pfd);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.cDepthBits = 16;
pfd.iLayerType = PFD_MAIN_PLANE;
SetPixelFormat(sys->hGLDC,
ChoosePixelFormat(sys->hGLDC, &pfd), &pfd);
/*
* Create and enable the render context
* For GPU affinity, attach the window DC
* to the GPU affinity DC
*/
sys->hGLRC = wglCreateContext((sys->affinityHDC != NULL) ? sys->affinityHDC : sys->hGLDC);
wglMakeCurrent(sys->hGLDC, sys->hGLRC);
const char *extensions = (const char*)glGetString(GL_EXTENSIONS);
#ifdef WGL_EXT_swap_control
if (HasExtension(extensions, "WGL_EXT_swap_control")) {
PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
if (SwapIntervalEXT)
SwapIntervalEXT(1);
}
#endif
/* */
sys->gl.lock = NULL;
sys->gl.unlock = NULL;
sys->gl.swap = Swap;
sys->gl.getProcAddress = OurGetProcAddress;
sys->gl.sys = vd;
video_format_t fmt = vd->fmt;
const vlc_fourcc_t *subpicture_chromas;
sys->vgl = vout_display_opengl_New(&fmt, &subpicture_chromas, &sys->gl);
if (!sys->vgl)
goto error;
vout_display_info_t info = vd->info;
info.has_double_click = true;
info.has_hide_mouse = false;
info.has_event_thread = true;
info.subpicture_chromas = subpicture_chromas;
/* Setup vout_display now that everything is fine */
vd->fmt = fmt;
vd->info = info;
vd->pool = Pool;
vd->prepare = Prepare;
vd->display = Display;
vd->control = Control;
vd->manage = Manage;
return VLC_SUCCESS;
error:
Close(object);
return VLC_EGENERIC;
}
static void
X11_GL_InitExtensions(_THIS)
{
Display *display = ((SDL_VideoData *) _this->driverdata)->display;
const int screen = DefaultScreen(display);
XVisualInfo *vinfo = NULL;
Window w = 0;
GLXContext prev_ctx = 0;
GLXDrawable prev_drawable = 0;
GLXContext context = 0;
const char *(*glXQueryExtensionsStringFunc) (Display *, int);
const char *extensions;
vinfo = X11_GL_GetVisual(_this, display, screen);
if (vinfo) {
GLXContext (*glXGetCurrentContextFunc) (void) =
(GLXContext(*)(void))
X11_GL_GetProcAddress(_this, "glXGetCurrentContext");
GLXDrawable (*glXGetCurrentDrawableFunc) (void) =
(GLXDrawable(*)(void))
X11_GL_GetProcAddress(_this, "glXGetCurrentDrawable");
if (glXGetCurrentContextFunc && glXGetCurrentDrawableFunc) {
XSetWindowAttributes xattr;
prev_ctx = glXGetCurrentContextFunc();
prev_drawable = glXGetCurrentDrawableFunc();
xattr.background_pixel = 0;
xattr.border_pixel = 0;
xattr.colormap =
X11_XCreateColormap(display, RootWindow(display, screen),
vinfo->visual, AllocNone);
w = X11_XCreateWindow(display, RootWindow(display, screen), 0, 0,
32, 32, 0, vinfo->depth, InputOutput, vinfo->visual,
(CWBackPixel | CWBorderPixel | CWColormap), &xattr);
context = _this->gl_data->glXCreateContext(display, vinfo,
NULL, True);
if (context) {
_this->gl_data->glXMakeCurrent(display, w, context);
}
}
X11_XFree(vinfo);
}
glXQueryExtensionsStringFunc =
(const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this,
"glXQueryExtensionsString");
if (glXQueryExtensionsStringFunc) {
extensions = glXQueryExtensionsStringFunc(display, screen);
} else {
extensions = NULL;
}
/* Check for GLX_EXT_swap_control(_tear) */
_this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_FALSE;
if (HasExtension("GLX_EXT_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalEXT =
(void (*)(Display*,GLXDrawable,int))
X11_GL_GetProcAddress(_this, "glXSwapIntervalEXT");
if (HasExtension("GLX_EXT_swap_control_tear", extensions)) {
_this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_TRUE;
}
}
/* Check for GLX_MESA_swap_control */
if (HasExtension("GLX_MESA_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalMESA =
(int(*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalMESA");
_this->gl_data->glXGetSwapIntervalMESA =
(int(*)(void)) X11_GL_GetProcAddress(_this,
"glXGetSwapIntervalMESA");
}
/* Check for GLX_SGI_swap_control */
if (HasExtension("GLX_SGI_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalSGI =
(int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI");
}
/* Check for GLX_ARB_create_context */
if (HasExtension("GLX_ARB_create_context", extensions)) {
_this->gl_data->glXCreateContextAttribsARB =
(GLXContext (*)(Display*,GLXFBConfig,GLXContext,Bool,const int *))
X11_GL_GetProcAddress(_this, "glXCreateContextAttribsARB");
_this->gl_data->glXChooseFBConfig =
(GLXFBConfig *(*)(Display *, int, const int *, int *))
X11_GL_GetProcAddress(_this, "glXChooseFBConfig");
}
/* Check for GLX_EXT_visual_rating */
if (HasExtension("GLX_EXT_visual_rating", extensions)) {
_this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE;
}
/* Check for GLX_EXT_visual_info */
if (HasExtension("GLX_EXT_visual_info", extensions)) {
_this->gl_data->HAS_GLX_EXT_visual_info = SDL_TRUE;
}
/* Check for GLX_EXT_create_context_es2_profile */
if (HasExtension("GLX_EXT_create_context_es2_profile", extensions)) {
/* this wants to call glGetString(), so it needs a context. */
/* !!! FIXME: it would be nice not to make a context here though! */
if (context) {
SDL_GL_DeduceMaxSupportedESProfile(
&_this->gl_data->es_profile_max_supported_version.major,
&_this->gl_data->es_profile_max_supported_version.minor
);
}
}
/* Check for GLX_ARB_context_flush_control */
if (HasExtension("GLX_ARB_context_flush_control", extensions)) {
_this->gl_data->HAS_GLX_ARB_context_flush_control = SDL_TRUE;
}
/* Check for GLX_ARB_create_context_robustness */
if (HasExtension("GLX_ARB_create_context_robustness", extensions)) {
_this->gl_data->HAS_GLX_ARB_create_context_robustness = SDL_TRUE;
}
/* Check for GLX_ARB_create_context_no_error */
if (HasExtension("GLX_ARB_create_context_no_error", extensions)) {
_this->gl_data->HAS_GLX_ARB_create_context_no_error = SDL_TRUE;
}
if (context) {
_this->gl_data->glXMakeCurrent(display, None, NULL);
_this->gl_data->glXDestroyContext(display, context);
if (prev_ctx && prev_drawable) {
_this->gl_data->glXMakeCurrent(display, prev_drawable, prev_ctx);
}
}
if (w) {
X11_XDestroyWindow(display, w);
}
X11_PumpEvents(_this);
}
static int
tc_yuv_base_init(opengl_tex_converter_t *tc, GLenum tex_target,
vlc_fourcc_t chroma, video_color_space_t yuv_space,
bool *swap_uv, const char *swizzle_per_tex[])
{
const vlc_chroma_description_t *desc = vlc_fourcc_GetChromaDescription(chroma);
if (desc == NULL)
return VLC_EGENERIC;
GLint oneplane_texfmt, oneplane16_texfmt, twoplanes_texfmt;
#if !defined(USE_OPENGL_ES2)
if (HasExtension(tc->glexts, "GL_ARB_texture_rg"))
{
oneplane_texfmt = GL_RED;
oneplane16_texfmt = GL_R16;
twoplanes_texfmt = GL_RG;
}
else
#endif
{
oneplane_texfmt = GL_LUMINANCE;
oneplane16_texfmt = GL_LUMINANCE16;
twoplanes_texfmt = GL_LUMINANCE_ALPHA;
}
float yuv_range_correction = 1.0;
if (desc->plane_count == 3)
{
GLint internal = 0;
GLenum type = 0;
if (desc->pixel_size == 1)
{
internal = oneplane_texfmt;
type = GL_UNSIGNED_BYTE;
}
#if !defined(USE_OPENGL_ES2)
else if (desc->pixel_size == 2)
{
if (oneplane16_texfmt == 0
|| GetTexFormatSize(tex_target, oneplane_texfmt, oneplane16_texfmt,
GL_UNSIGNED_SHORT) != 16)
return VLC_EGENERIC;
internal = oneplane16_texfmt;
type = GL_UNSIGNED_SHORT;
yuv_range_correction = (float)((1 << 16) - 1)
/ ((1 << desc->pixel_bits) - 1);
}
#endif
else
return VLC_EGENERIC;
assert(internal != 0 && type != 0);
tc->tex_count = 3;
for (unsigned i = 0; i < tc->tex_count; ++i )
{
tc->texs[i] = (struct opengl_tex_cfg) {
{ desc->p[i].w.num, desc->p[i].w.den },
{ desc->p[i].h.num, desc->p[i].h.den },
internal, oneplane_texfmt, type
};
void GLExt_t::Load( LowLevelWindow *pWind )
{
memset( this, 0, sizeof(*this) );
GetGLExtensions( g_glExts );
m_bEXT_texture_env_combine = HasExtension("GL_EXT_texture_env_combine");
m_bGL_EXT_bgra = HasExtension("GL_EXT_bgra");
#if defined(WIN32)
if( HasExtension("WGL_EXT_swap_control") )
wglSwapIntervalEXT = (PWSWAPINTERVALEXTPROC) pWind->GetProcAddress("wglSwapIntervalEXT");
#elif defined(DARWIN)
wglSwapIntervalEXT = wglSwapIntervalEXT;
#endif
if( HasExtension("GL_EXT_paletted_texture") )
{
glColorTableEXT = (PFNGLCOLORTABLEPROC) pWind->GetProcAddress("glColorTableEXT");
glGetColorTableParameterivEXT = (PFNGLCOLORTABLEPARAMETERIVPROC) pWind->GetProcAddress("glGetColorTableParameterivEXT");
}
if( HasExtension("GL_ARB_multitexture") )
glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC) pWind->GetProcAddress("glActiveTextureARB");
/*
* Find extension functions.
*
* X11R6.7.0 (or possibly ATI's drivers) seem to be returning bogus values for glBindBufferARB
* if we don't actually check for GL_ARB_vertex_buffer_object.
* https://sf.net/tracker/download.php?group_id=37892&atid=421366&file_id=88086&aid=958820
* https://sf.net/tracker/download.php?group_id=37892&atid=421366&file_id=85542&aid=944836
*
* Let's check them all, to be safe.
*/
if( HasExtension("GL_ARB_vertex_buffer_object") )
{
func_t funcs[] = {
F( glGenBuffersARB ),
F( glBindBufferARB ),
F( glBufferDataARB ),
F( glBufferSubDataARB ),
F( glDeleteBuffersARB ),
{ NULL, NULL },
};
LoadAllOrNothing( funcs, pWind );
}
if( HasExtension("GL_EXT_draw_range_elements") )
GLExt.glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC) pWind->GetProcAddress("glDrawRangeElements");
m_bGL_ARB_shader_objects = HasExtension("GL_ARB_shader_objects");
if( m_bGL_ARB_shader_objects )
{
func_t funcs[] = {
F( glCreateShaderObjectARB ),
F( glCreateShaderObjectARB ),
F( glCreateProgramObjectARB ),
F( glShaderSourceARB ),
F( glCompileShaderARB ),
F( glGetObjectParameterfvARB ),
F( glGetObjectParameterivARB ),
F( glGetInfoLogARB ),
F( glAttachObjectARB ),
F( glDeleteObjectARB ),
F( glLinkProgramARB ),
F( glUseProgramObjectARB ),
F( glVertexAttrib2fARB ),
F( glVertexAttrib3fARB ),
F( glVertexAttrib4fARB ),
F( glEnableVertexAttribArrayARB ),
F( glDisableVertexAttribArrayARB ),
F( glVertexAttribPointerARB ),
{ NULL, NULL }
};
if( !LoadAllOrNothing(funcs, pWind) )
m_bGL_ARB_shader_objects = false;
}
m_bGL_ARB_vertex_shader = m_bGL_ARB_shader_objects && HasExtension("GL_ARB_vertex_shader");
if( m_bGL_ARB_vertex_shader )
{
func_t funcs[] =
{
F( glBindAttribLocationARB ),
{ NULL, NULL }
};
if( !LoadAllOrNothing(funcs, pWind) )
m_bGL_ARB_vertex_shader = false;
}
m_bGL_ARB_shading_language_100 = HasExtension("GL_ARB_shading_language_100");
if( m_bGL_ARB_shading_language_100 )
{
while( glGetError() != GL_NO_ERROR )
;
const char *pzVersion = (const char *) glGetString( GL_SHADING_LANGUAGE_VERSION );
GLenum glError = glGetError();
if( glError == GL_INVALID_ENUM )
{
LOG->Info( "No GL_SHADING_LANGUAGE_VERSION; assuming 1.0" );
m_iShadingLanguageVersion = 100;
}
else
{
const float fVersion = strtof( pzVersion, NULL );
m_iShadingLanguageVersion = int(roundf(fVersion * 100));
/* The version string may contain extra information beyond the version number. */
LOG->Info( "OpenGL shading language: %s", pzVersion );
}
}
}
static void
X11_GL_InitExtensions(_THIS)
{
Display *display = ((SDL_VideoData *) _this->driverdata)->display;
int screen = DefaultScreen(display);
XVisualInfo *vinfo;
XSetWindowAttributes xattr;
Window w;
GLXContext context;
const char *(*glXQueryExtensionsStringFunc) (Display *, int);
const char *extensions;
vinfo = X11_GL_GetVisual(_this, display, screen);
if (!vinfo) {
return;
}
xattr.background_pixel = 0;
xattr.border_pixel = 0;
xattr.colormap =
X11_XCreateColormap(display, RootWindow(display, screen), vinfo->visual,
AllocNone);
w = X11_XCreateWindow(display, RootWindow(display, screen), 0, 0, 32, 32, 0,
vinfo->depth, InputOutput, vinfo->visual,
(CWBackPixel | CWBorderPixel | CWColormap), &xattr);
context = _this->gl_data->glXCreateContext(display, vinfo, NULL, True);
if (context) {
_this->gl_data->glXMakeCurrent(display, w, context);
}
X11_XFree(vinfo);
glXQueryExtensionsStringFunc =
(const char *(*)(Display *, int)) X11_GL_GetProcAddress(_this,
"glXQueryExtensionsString");
if (glXQueryExtensionsStringFunc) {
extensions = glXQueryExtensionsStringFunc(display, screen);
} else {
extensions = NULL;
}
/* Check for GLX_EXT_swap_control(_tear) */
_this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_FALSE;
if (HasExtension("GLX_EXT_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalEXT =
(void (*)(Display*,GLXDrawable,int))
X11_GL_GetProcAddress(_this, "glXSwapIntervalEXT");
if (HasExtension("GLX_EXT_swap_control_tear", extensions)) {
_this->gl_data->HAS_GLX_EXT_swap_control_tear = SDL_TRUE;
}
}
/* Check for GLX_MESA_swap_control */
if (HasExtension("GLX_MESA_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalMESA =
(int(*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalMESA");
_this->gl_data->glXGetSwapIntervalMESA =
(int(*)(void)) X11_GL_GetProcAddress(_this,
"glXGetSwapIntervalMESA");
}
/* Check for GLX_SGI_swap_control */
if (HasExtension("GLX_SGI_swap_control", extensions)) {
_this->gl_data->glXSwapIntervalSGI =
(int (*)(int)) X11_GL_GetProcAddress(_this, "glXSwapIntervalSGI");
}
/* Check for GLX_EXT_visual_rating */
if (HasExtension("GLX_EXT_visual_rating", extensions)) {
_this->gl_data->HAS_GLX_EXT_visual_rating = SDL_TRUE;
}
/* Check for GLX_EXT_visual_info */
if (HasExtension("GLX_EXT_visual_info", extensions)) {
_this->gl_data->HAS_GLX_EXT_visual_info = SDL_TRUE;
}
/* Check for GLX_EXT_create_context_es2_profile */
if (HasExtension("GLX_EXT_create_context_es2_profile", extensions)) {
_this->gl_data->HAS_GLX_EXT_create_context_es2_profile = SDL_TRUE;
}
/* Check for GLX_MESA_query_renderer */
if (HasExtension("GLX_MESA_query_renderer", extensions)) {
_this->gl_data->glXQueryRendererIntegerMESA =
(int(*)(int)) X11_GL_GetProcAddress(
_this, "glXQueryRendererIntegerMESA");
_this->gl_data->glXQueryCurrentRendererIntegerMESA =
(int(*)(void)) X11_GL_GetProcAddress(
_this, "glXQueryCurrentRendererIntegerMESA");
_this->gl_data->glXQueryRendererStringMESA =
(int(*)(int)) X11_GL_GetProcAddress(
_this, "glXQueryRendererStringMESA");
_this->gl_data->glXQueryCurrentRendererStringMESA =
(int(*)(void)) X11_GL_GetProcAddress(
_this, "glXQueryCurrentRendererStringMESA");
}
/* Check for GL_NVX_gpu_memory_info */
if (HasExtension("GL_NVX_gpu_memory_info", extensions)) {
_this->gl_data->HAS_GL_NVX_gpu_memory_info = SDL_TRUE;
}
/* Check for GL_NVX_gpu_memory_info */
if (HasExtension("GL_NVX_gpu_memory_info", extensions)) {
_this->gl_data->HAS_GL_NVX_gpu_memory_info = SDL_TRUE;
}
if (context) {
_this->gl_data->glXMakeCurrent(display, None, NULL);
_this->gl_data->glXDestroyContext(display, context);
}
X11_XDestroyWindow(display, w);
X11_PumpEvents(_this);
}