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Support clients defining weak symbols of opengx functions #70

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Merged
WinterMute merged 1 commit into from
Sep 28, 2024
Merged

Support clients defining weak symbols of opengx functions #70

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2 changes: 2 additions & 0 deletions src/functions.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ typedef struct {
void *address;
} ProcMap;

int _ogx_functions_c = 0; /* referenced by gc_gl.c, see the comment in there */

#define PROC(name) { #name, name }
static const ProcMap s_proc_map[] = {
//PROC(glAccum),
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7 changes: 7 additions & 0 deletions src/gc_gl.c
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Expand Up @@ -79,6 +79,13 @@ typedef struct
char _ogx_log_level = 0;
static GXTexObj s_zbuffer_texture;
static uint8_t s_zbuffer_texels[2 * 32] ATTRIBUTE_ALIGN(32);
/* Force the inclusion of functions.c's TU in the build when GL functions are
* used. In this way, if a client library (such as SDL) defines weak symbols
* for the opengx functions it uses, a client application which actually uses
* opengx will link and use its real implementation; at the same time, a client
* which does not use OpenGL is not forced to link with opengx. */
extern int _ogx_functions_c;
void *_ogx_force_proctable = &_ogx_functions_c;

static void draw_arrays_general(DrawMode gxmode, int first, int count, int ne,
int color_provide, int texen);
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