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webgl: Support DEPTH_STENCIL_ATTACHMENT on osmesa.

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This commit is contained in:
Josh Matthews 2018-08-15 14:38:28 -04:00
parent d179435eab
commit 15e2af0fea
1 changed files with 25 additions and 6 deletions
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31
components/canvas/webgl_thread.rs
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@ -693,12 +693,31 @@ impl WebGLImpl {
ctx.gl().disable(cap),
WebGLCommand::Enable(cap) =>
ctx.gl().enable(cap),
WebGLCommand::FramebufferRenderbuffer(target, attachment, renderbuffertarget, rb) =>
ctx.gl().framebuffer_renderbuffer(target, attachment, renderbuffertarget,
rb.map_or(0, WebGLRenderbufferId::get)),
WebGLCommand::FramebufferTexture2D(target, attachment, textarget, texture, level) =>
ctx.gl().framebuffer_texture_2d(target, attachment, textarget,
texture.map_or(0, WebGLTextureId::get), level),
WebGLCommand::FramebufferRenderbuffer(target, attachment, renderbuffertarget, rb) => {
let attach = |attachment| {
ctx.gl().framebuffer_renderbuffer(target, attachment,
renderbuffertarget,
rb.map_or(0, WebGLRenderbufferId::get))
};
if attachment == gl::DEPTH_STENCIL_ATTACHMENT {
attach(gl::DEPTH_ATTACHMENT);
attach(gl::STENCIL_ATTACHMENT);
} else {
attach(attachment);
}
}
WebGLCommand::FramebufferTexture2D(target, attachment, textarget, texture, level) => {
let attach = |attachment| {
ctx.gl().framebuffer_texture_2d(target, attachment, textarget,
texture.map_or(0, WebGLTextureId::get), level)
};
if attachment == gl::DEPTH_STENCIL_ATTACHMENT {
attach(gl::DEPTH_ATTACHMENT);
attach(gl::STENCIL_ATTACHMENT);
} else {
attach(attachment)
}
}
WebGLCommand::FrontFace(mode) =>
ctx.gl().front_face(mode),
WebGLCommand::DisableVertexAttribArray(attrib_id) =>