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Share SDL's EGL display with EGLRenderer

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Fixes #1396
This commit is contained in:
Cameron Gutman 2024-09-12 22:33:50 -05:00
parent 02853e74ba
commit 96fb6ee5e9
2 changed files with 6 additions and 80 deletions
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85
app/streaming/video/ffmpeg-renderers/eglvid.cpp
View File

@ -315,54 +315,6 @@ int EGLRenderer::loadAndBuildShader(int shaderType,
return shader; return shader;
} }
bool EGLRenderer::openDisplay(unsigned int platform, void* nativeDisplay)
{
PFNEGLGETPLATFORMDISPLAYPROC eglGetPlatformDisplayProc;
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXTProc;
m_EGLDisplay = EGL_NO_DISPLAY;
// NB: eglGetPlatformDisplay() and eglGetPlatformDisplayEXT() have slightly different definitions
eglGetPlatformDisplayProc = (typeof(eglGetPlatformDisplayProc))eglGetProcAddress("eglGetPlatformDisplay");
eglGetPlatformDisplayEXTProc = (typeof(eglGetPlatformDisplayEXTProc))eglGetProcAddress("eglGetPlatformDisplayEXT");
if (m_EGLDisplay == EGL_NO_DISPLAY) {
// eglGetPlatformDisplay() is part of the EGL 1.5 core specification
if (eglGetPlatformDisplayProc != nullptr) {
m_EGLDisplay = eglGetPlatformDisplayProc(platform, nativeDisplay, nullptr);
if (m_EGLDisplay == EGL_NO_DISPLAY) {
EGL_LOG(Warn, "eglGetPlatformDisplay() failed: %d", eglGetError());
}
}
}
if (m_EGLDisplay == EGL_NO_DISPLAY) {
// eglGetPlatformDisplayEXT() is an extension for EGL 1.4
const EGLExtensions eglExtensions(EGL_NO_DISPLAY);
if (eglExtensions.isSupported("EGL_EXT_platform_base")) {
if (eglGetPlatformDisplayEXTProc != nullptr) {
m_EGLDisplay = eglGetPlatformDisplayEXTProc(platform, nativeDisplay, nullptr);
if (m_EGLDisplay == EGL_NO_DISPLAY) {
EGL_LOG(Warn, "eglGetPlatformDisplayEXT() failed: %d", eglGetError());
}
}
else {
EGL_LOG(Warn, "EGL_EXT_platform_base supported but no eglGetPlatformDisplayEXT() export!");
}
}
}
if (m_EGLDisplay == EGL_NO_DISPLAY) {
// Finally, if all else fails, use eglGetDisplay()
m_EGLDisplay = eglGetDisplay((EGLNativeDisplayType)nativeDisplay);
if (m_EGLDisplay == EGL_NO_DISPLAY) {
EGL_LOG(Error, "eglGetDisplay() failed: %d", eglGetError());
}
}
return m_EGLDisplay != EGL_NO_DISPLAY;
}
unsigned EGLRenderer::compileShader(const char* vertexShaderSrc, const char* fragmentShaderSrc) { unsigned EGLRenderer::compileShader(const char* vertexShaderSrc, const char* fragmentShaderSrc) {
unsigned shader = 0; unsigned shader = 0;
@ -539,37 +491,6 @@ bool EGLRenderer::initialize(PDECODER_PARAMETERS params)
EGL_LOG(Error, "SDL_GetWindowWMInfo() failed: %s", SDL_GetError()); EGL_LOG(Error, "SDL_GetWindowWMInfo() failed: %s", SDL_GetError());
return false; return false;
} }
switch (info.subsystem) {
#ifdef SDL_VIDEO_DRIVER_WAYLAND
case SDL_SYSWM_WAYLAND:
if (!openDisplay(EGL_PLATFORM_WAYLAND_KHR, info.info.wl.display)) {
return false;
}
break;
#endif
#ifdef SDL_VIDEO_DRIVER_X11
case SDL_SYSWM_X11:
if (!openDisplay(EGL_PLATFORM_X11_KHR, info.info.x11.display)) {
return false;
}
break;
#endif
#if SDL_VERSION_ATLEAST(2, 0, 15) && defined(SDL_VIDEO_DRIVER_KMSDRM)
case SDL_SYSWM_KMSDRM:
if (!openDisplay(EGL_PLATFORM_GBM_KHR, info.info.kmsdrm.gbm_dev)) {
return false;
}
break;
#endif
default:
EGL_LOG(Error, "not compatible with SYSWM");
return false;
}
if (m_EGLDisplay == EGL_NO_DISPLAY) {
EGL_LOG(Error, "Cannot get EGL display: %d", eglGetError());
return false;
}
if (!(m_Context = SDL_GL_CreateContext(params->window))) { if (!(m_Context = SDL_GL_CreateContext(params->window))) {
EGL_LOG(Error, "Cannot create OpenGL context: %s", SDL_GetError()); EGL_LOG(Error, "Cannot create OpenGL context: %s", SDL_GetError());
@ -597,6 +518,12 @@ bool EGLRenderer::initialize(PDECODER_PARAMETERS params)
// We can use GL_UNPACK_ROW_LENGTH for a more optimized upload of non-tightly-packed textures // We can use GL_UNPACK_ROW_LENGTH for a more optimized upload of non-tightly-packed textures
m_HasExtUnpackSubimage = SDL_GL_ExtensionSupported("GL_EXT_unpack_subimage"); m_HasExtUnpackSubimage = SDL_GL_ExtensionSupported("GL_EXT_unpack_subimage");
m_EGLDisplay = eglGetCurrentDisplay();
if (m_EGLDisplay == EGL_NO_DISPLAY) {
EGL_LOG(Error, "Cannot get EGL display: %d", eglGetError());
return false;
}
const EGLExtensions eglExtensions(m_EGLDisplay); const EGLExtensions eglExtensions(m_EGLDisplay);
if (!eglExtensions.isSupported("EGL_KHR_image_base") && if (!eglExtensions.isSupported("EGL_KHR_image_base") &&
!eglExtensions.isSupported("EGL_KHR_image")) { !eglExtensions.isSupported("EGL_KHR_image")) {

1
app/streaming/video/ffmpeg-renderers/eglvid.h
View File

@ -31,7 +31,6 @@ private:
const float *getColorOffsets(const AVFrame* frame); const float *getColorOffsets(const AVFrame* frame);
const float *getColorMatrix(const AVFrame* frame); const float *getColorMatrix(const AVFrame* frame);
static int loadAndBuildShader(int shaderType, const char *filename); static int loadAndBuildShader(int shaderType, const char *filename);
bool openDisplay(unsigned int platform, void* nativeDisplay);
AVPixelFormat m_EGLImagePixelFormat; AVPixelFormat m_EGLImagePixelFormat;
void *m_EGLDisplay; void *m_EGLDisplay;