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OPENGL EMSCRIPTEN: Add ifndef go WebGL constants not defined by emscripten

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Christian Kündig 2021-08-01 16:35:40 +02:00 • committed by Eugene Sandulenko
parent 5c8ed4c4dd
commit a7196e347e
1 changed files with 5 additions and 0 deletions
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5
graphics/opengl/framebuffer.cpp
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@ -162,10 +162,15 @@ void FrameBuffer::init() {
const char *glVersion = (const char *)glGetString(GL_VERSION);
if (strstr(glVersion,"WebGL 1.0") != NULL) {
// See https://www.khronos.org/registry/webgl/specs/latest/1.0/#FBO_ATTACHMENTS
// and https://github.com/emscripten-core/emscripten/issues/4832
#ifndef GL_DEPTH_STENCIL
#define GL_DEPTH_STENCIL 0x84F9
#endif
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_STENCIL, _texWidth, _texHeight);
#ifndef GL_DEPTH_STENCIL_ATTACHMENT
#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A
#endif
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, _renderBuffers[0]);
} else {
glRenderbufferStorage(GL_RENDERBUFFER, useDepthComponent24() ? GL_DEPTH_COMPONENT24 : GL_DEPTH_COMPONENT16, _texWidth, _texHeight);