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57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
From 5f42640150f6b46e46c6908e02ebed88e4c8b331 Mon Sep 17 00:00:00 2001
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From: Martin Pulec <martin.pulec@cesnet.cz>
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Date: Fri, 22 Apr 2022 09:21:27 +0200
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Subject: [PATCH] mac: set use 16-bit depth framebuffer
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Use 16-bit depth framebuffer to allow rendering of higher bit-depth color spaces.
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Using the code from this page:
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https://www.zephray.me/post/edr_hdr_on_macos_opengl/
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---
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src/nsgl_context.m | 29 ++++++++++++++++++++---------
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1 file changed, 20 insertions(+), 9 deletions(-)
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diff --git a/src/nsgl_context.m b/src/nsgl_context.m
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index fc1f7521..536d0b71 100644
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--- a/src/nsgl_context.m
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+++ b/src/nsgl_context.m
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@@ -246,15 +246,26 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
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fbconfig->greenBits != GLFW_DONT_CARE &&
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fbconfig->blueBits != GLFW_DONT_CARE)
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{
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- int colorBits = fbconfig->redBits +
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- fbconfig->greenBits +
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- fbconfig->blueBits;
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-
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- // macOS needs non-zero color size, so set reasonable values
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- if (colorBits == 0)
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- colorBits = 24;
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- else if (colorBits < 15)
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- colorBits = 15;
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+ int colorBits;
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+
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+ if (fbconfig->redBits > 8 ||
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+ fbconfig->greenBits > 8 ||
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+ fbconfig->blueBits > 8)
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+ {
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+ colorBits = 64;
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+ ADD_ATTRIB(NSOpenGLPFAColorFloat);
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+ }
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+ else {
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+ colorBits = fbconfig->redBits +
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+ fbconfig->greenBits +
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+ fbconfig->blueBits;
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+
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+ // macOS needs non-zero color size, so set reasonable values
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+ if (colorBits == 0)
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+ colorBits = 24;
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+ else if (colorBits < 15)
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+ colorBits = 15;
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+ }
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SET_ATTRIB(NSOpenGLPFAColorSize, colorBits);
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}
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--
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2.32.0 (Apple Git-132)
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