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Implement HDR support for Linux KMS capture backend (#1994)

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Co-authored-by: ReenigneArcher <42013603+ReenigneArcher@users.noreply.github.com>
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Cameron Gutman 2024-01-11 22:41:58 -06:00 • committed by GitHub
commit 056281b745
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5 changed files with 177 additions and 26 deletions
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12
src/platform/linux/graphics.cpp
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@ -662,19 +662,19 @@ namespace egl {
}
std::optional<sws_t>
sws_t::make(int in_width, int in_height, int out_width, int out_heigth, gl::tex_t &&tex) {
sws_t::make(int in_width, int in_height, int out_width, int out_height, gl::tex_t &&tex) {
sws_t sws;
sws.serial = std::numeric_limits<std::uint64_t>::max();
// Ensure aspect ratio is maintained
auto scalar = std::fminf(out_width / (float) in_width, out_heigth / (float) in_height);
auto scalar = std::fminf(out_width / (float) in_width, out_height / (float) in_height);
auto out_width_f = in_width * scalar;
auto out_height_f = in_height * scalar;
// result is always positive
auto offsetX_f = (out_width - out_width_f) / 2;
auto offsetY_f = (out_heigth - out_height_f) / 2;
auto offsetY_f = (out_height - out_height_f) / 2;
sws.out_width = out_width_f;
sws.out_height = out_height_f;
@ -806,12 +806,12 @@ namespace egl {
}
std::optional<sws_t>
sws_t::make(int in_width, int in_height, int out_width, int out_heigth) {
sws_t::make(int in_width, int in_height, int out_width, int out_height, GLint gl_tex_internal_fmt) {
auto tex = gl::tex_t::make(2);
gl::ctx.BindTexture(GL_TEXTURE_2D, tex[0]);
gl::ctx.TexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, in_width, in_height);
gl::ctx.TexStorage2D(GL_TEXTURE_2D, 1, gl_tex_internal_fmt, in_width, in_height);
return make(in_width, in_height, out_width, out_heigth, std::move(tex));
return make(in_width, in_height, out_width, out_height, std::move(tex));
}
void