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Fixed MRT clear with UINT8_MAX palette index clearing the attachment on clear quad. (#4006)

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This commit is contained in:
Branimir Karadžić
2026-09-30 12:06:59 -07:00
committed by GitHub
parent 9304c09edc
commit 997b0cfe36
17 changed files with 176 additions and 29 deletions
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src/renderer_gl.cpp
+33 -2
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@@ -4876,8 +4876,13 @@ namespace bgfx { namespace gl
GLint intClear[4] = {};
const bool clearColor = true
&& 0 != (BGFX_CLEAR_COLOR & _clear.m_flags)
&& 0 == _clear.getColorSkipMask(1)
;
GLuint flags = 0;
if (BGFX_CLEAR_COLOR & _clear.m_flags)
if (clearColor)
{
if (BGFX_CLEAR_COLOR_USE_PALETTE & _clear.m_flags)
{
@@ -4941,7 +4946,7 @@ namespace bgfx { namespace gl
GL_CHECK(glStencilMask(0xff) );
}
const bool clearColorInt = intColor && 0 != (BGFX_CLEAR_COLOR & _clear.m_flags);
const bool clearColorInt = intColor && clearColor;
if (0 != flags
|| clearColorInt)
@@ -5081,10 +5086,36 @@ namespace bgfx { namespace gl
commit(*program.m_constantBuffer);
const uint8_t skipMask = _clear.getColorSkipMask(numMrt);
GLenum buffers[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS];
if (0 != skipMask)
{
for (uint32_t ii = 0; ii < numMrt; ++ii)
{
buffers[ii] = 0 != (skipMask & (1<<ii) )
? GL_NONE
: GL_COLOR_ATTACHMENT0 + ii
;
}
GL_CHECK(glDrawBuffers(numMrt, buffers) );
}
GL_CHECK(glDrawArrays(GL_TRIANGLE_STRIP
, 0
, 4
) );
if (0 != skipMask)
{
for (uint32_t ii = 0; ii < numMrt; ++ii)
{
buffers[ii] = GL_COLOR_ATTACHMENT0 + ii;
}
GL_CHECK(glDrawBuffers(numMrt, buffers) );
}
}
}