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LibGL: Stub glClear support for stencil buffer

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Previously, if the client supplied `GL_STENCIL_BUFFER_BIT`, `glClear`
would return an error. Since it is a valid parameter, we now continue
and report that this parameter is unimplemented instead.
This commit is contained in:
Jelle Raaijmakers 2021-12-24 14:46:45 +01:00 • committed by Andreas Kling
parent 688adba1a8
commit b455e6ca0d
1 changed files with 3 additions and 1 deletions
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4
Userland/Libraries/LibGL/SoftwareGLContext.cpp
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@ -181,7 +181,7 @@ void SoftwareGLContext::gl_clear(GLbitfield mask)
APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_clear, mask);
RETURN_WITH_ERROR_IF(m_in_draw_state, GL_INVALID_OPERATION);
RETURN_WITH_ERROR_IF(mask & ~(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT), GL_INVALID_ENUM);
RETURN_WITH_ERROR_IF(mask & ~(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT), GL_INVALID_ENUM);
if (mask & GL_COLOR_BUFFER_BIT)
m_rasterizer.clear_color(m_clear_color);
@ -190,6 +190,8 @@ void SoftwareGLContext::gl_clear(GLbitfield mask)
m_rasterizer.clear_depth(static_cast<float>(m_clear_depth));
// FIXME: implement GL_STENCIL_BUFFER_BIT
if (mask & GL_STENCIL_BUFFER_BIT)
dbgln_if(GL_DEBUG, "gl_clear(): GL_STENCIL_BUFFER_BIT is unimplemented");
}
void SoftwareGLContext::gl_clear_color(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha)