Specify GL context as Core 3.3 in Qt targets

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Yabause is a Sega Saturn emulator.

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Specify GL context as Core 3.3 in Qt targets #369

Closed kevinhartman closed 2 years ago

kevinhartman commented 7 years ago

Fixes blank screen with Software Renderer on OS X and maybe other platforms.

Tested with Qt 5 on OS X with Software Renderer.

Changes:

Specify 3.3 Core GL Context for Qt.
Fixes obselete usage of glGetString(GL_EXTENSIONS) in HW renderer which is not supported in 3.3.
Require Qt >=4.8 in CMake for OpenGL builds.

kevinhartman commented 7 years ago

This might also fix 349. @IlyaIndigo, can you give it a go?

IlyaIndigo commented 7 years ago

@kevinhartman I don't understand this phrase "give it a go". I'm build from git on Qt 5.7.0 NVIDIA 7000M (nouveau Gallium 0.4 on NV67 2.1 Mesa 12.0.3) Black screen on Software Video Interface still. And crash on SH2 Dynamic Recompiller still.

kevinhartman commented 7 years ago

@IlyaIndigo I hadn't read your issue carefully enough. It looks like your card NVIDIA 7000M only supports OpenGL 2.1. The current codebase requires 3.3, so this PR won't fix your issue.