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Explicitly disable color FBO attachments where possible for depth/stencil canvases. Potentially fixes issue #1470

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Alex Szpakowski
2019-04-02 21:13:01 -03:00
parent 0c2153e0ca
commit 09cd3b68c9
2 changed files with 34 additions and 1 deletions
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src/modules/graphics/opengl/Canvas.cpp
+22
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@@ -41,6 +41,17 @@ static GLenum createFBO(GLuint &framebuffer, TextureType texType, PixelFormat fo
if (texture != 0)
{
if (isPixelFormatDepthStencil(format) && (GLAD_ES_VERSION_3_0 || !GLAD_ES_VERSION_2_0))
{
// glDrawBuffers is an ext in GL2. glDrawBuffer doesn't exist in ES3.
GLenum none = GL_NONE;
if (GLAD_ES_VERSION_3_0)
glDrawBuffers(1, &none);
else
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
}
bool unusedSRGB = false;
OpenGL::TextureFormat fmt = OpenGL::convertPixelFormat(format, false, unusedSRGB);
@@ -109,6 +120,17 @@ static bool createRenderbuffer(int width, int height, int &samples, PixelFormat
glGenFramebuffers(1, &fbo);
gl.bindFramebuffer(OpenGL::FRAMEBUFFER_ALL, fbo);
if (isPixelFormatDepthStencil(pixelformat) && (GLAD_ES_VERSION_3_0 || !GLAD_ES_VERSION_2_0))
{
// glDrawBuffers is an ext in GL2. glDrawBuffer doesn't exist in ES3.
GLenum none = GL_NONE;
if (GLAD_ES_VERSION_3_0)
glDrawBuffers(1, &none);
else
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
}
glGenRenderbuffers(1, &buffer);
glBindRenderbuffer(GL_RENDERBUFFER, buffer);