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really fixed MT06623 (don't use uninitialised gamma ramp) (nw)

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This commit is contained in:
smf- 2018-01-05 23:24:57 +00:00
parent 30c9c6fcd2
commit 15b496b792
1 changed files with 4 additions and 5 deletions
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9
src/osd/modules/render/drawd3d.cpp
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@ -769,9 +769,6 @@ void renderer_d3d9::update_gamma_ramp()
auto win = assert_window();
// create a standard ramp
D3DGAMMARAMP ramp;
// set the gamma if we need to
if (win->fullscreen())
{
@ -782,14 +779,16 @@ void renderer_d3d9::update_gamma_ramp()
float gamma = options.full_screen_gamma();
if (brightness != 1.0f || contrast != 1.0f || gamma != 1.0f)
{
D3DGAMMARAMP ramp;
for (int i = 0; i < 256; i++)
{
ramp.red[i] = ramp.green[i] = ramp.blue[i] = apply_brightness_contrast_gamma(i, brightness, contrast, gamma) << 8;
}
m_device->SetGammaRamp(0, 0, &ramp);
}
}
m_device->SetGammaRamp(0, 0, &ramp);
}