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OpenGL and Vulkan examples; ptr(int)/int(ptr); trailing commas in calls; drop .fn hint

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- examples/opengl.fch: OpenGL 3.3 core, shaders, VAO/VBO, a spinning triangle (checked offscreen)
- examples/vulkan.fch: instance, GPUs with properties/memory/queues, logical device and queue
- ptr(n) and int(p) conversions for C APIs that pass offsets as pointers
- .ptr works on string literals; a comma after the last call argument is allowed
- a missing header included by an imported header is now named in the error
- the old .fn extension hint is gone (Finch is new, there are no old files)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nexoniarz 2026-10-08 19:37:34 +02:00
commit 8497251dc5
22 changed files with 357 additions and 26 deletions
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6
examples/opengl.h Normal file
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@ -0,0 +1,6 @@
// Everything examples/opengl.fch needs from C. GL_GLEXT_PROTOTYPES makes <GL/glext.h>
// declare the modern (OpenGL 3+) functions, which Linux's libGL exports directly.
#define GL_GLEXT_PROTOTYPES
#include <GL/gl.h>
#include <GL/glext.h>
#include <GLFW/glfw3.h>