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wgldisplay: Support floating-point window framebuffers on Windows

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These are linearized scRGB, and necessary to make Panda work on HDR monitors.
This commit is contained in:
rdb 2020-05-01 20:32:20 +02:00
parent aa0a0d6ab4
commit 3f0ff827f3
1 changed files with 9 additions and 2 deletions
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11
panda/src/wgldisplay/wglGraphicsStateGuardian.cxx
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@ -208,6 +208,10 @@ get_properties_advanced(FrameBufferProperties &properties,
ivalue_list[green_bits_i],
ivalue_list[blue_bits_i],
ivalue_list[alpha_bits_i]);
if (ivalue_list[pixel_type_i] == WGL_TYPE_RGBA_FLOAT_ARB) {
properties.set_float_color(true);
}
}
if (ivalue_list[double_buffer_i]) {
@ -372,8 +376,11 @@ choose_pixel_format(const FrameBufferProperties &properties,
iattrib_list[ni++] = WGL_SUPPORT_OPENGL_ARB;
iattrib_list[ni++] = true;
iattrib_list[ni++] = WGL_PIXEL_TYPE_ARB;
iattrib_list[ni++] = WGL_TYPE_RGBA_ARB;
if (!properties.get_float_color()) {
iattrib_list[ni++] = WGL_PIXEL_TYPE_ARB;
iattrib_list[ni++] = WGL_TYPE_RGBA_ARB;
}
if (need_pbuffer) {
iattrib_list[ni++] = WGL_DRAW_TO_PBUFFER_ARB;