forked from Hay1tsme/segatools
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
#include <windows.h>
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#include <assert.h>
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#include <stdlib.h>
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#include "gfxhook/gfx.h"
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#include "gfxhook/gl.h"
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#include "hook/table.h"
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#include "hooklib/dll.h"
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#include "util/dprintf.h"
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/* Hook functions */
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static void WINAPI hook_glutFullScreen(void);
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static void WINAPI hook_glutInitDisplayMode(unsigned int mode);
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/* Link pointers */
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static void (WINAPI *next_glutFullScreen)(void);
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static void (WINAPI *next_glutInitDisplayMode)(unsigned int mode);
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static struct gfx_config gfx_config;
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static const struct hook_symbol glut_hooks[] = {
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{
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.name = "glutFullScreen",
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.patch = hook_glutFullScreen,
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.link = (void **) &next_glutFullScreen,
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}, {
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.name = "glutInitDisplayMode",
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.patch = hook_glutInitDisplayMode,
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.link = (void **) &next_glutInitDisplayMode,
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},
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};
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void gfx_gl_hook_init(const struct gfx_config *cfg, HINSTANCE self)
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{
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assert(cfg != NULL);
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if (!cfg->enable) {
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return;
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}
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memcpy(&gfx_config, cfg, sizeof(*cfg));
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hook_table_apply(NULL, "glut32.dll", glut_hooks, _countof(glut_hooks));
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if (self != NULL) {
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dll_hook_push(self, L"glut32.dll");
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}
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}
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static void WINAPI hook_glutFullScreen(void)
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{
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dprintf("Gfx: glutFullScreen hook hit\n");
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if (gfx_config.windowed) {
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return;
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}
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return next_glutFullScreen();
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}
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static void WINAPI hook_glutInitDisplayMode(unsigned int mode)
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{
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dprintf("Gfx: glutInitDisplayMode hook hit\n");
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// GLUT adds a frame when going windowed
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if (gfx_config.windowed && !gfx_config.framed) {
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// GLUT_BORDERLESS
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mode |= 0x0800;
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}
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return next_glutInitDisplayMode(mode);
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}
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