mirror of
https://github.com/yawut/SDL.git
synced 2026-08-24 01:35:39 -05:00
Optimizations.
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@@ -50,11 +50,8 @@ get_funcaddr(const char *p)
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typedef struct
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{
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//void (APIENTRY * glBegin) (GLenum);
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//void (APIENTRY * glEnd) ();
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//void (APIENTRY * glVertex3f) (GLfloat, GLfloat, GLfloat);
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void (APIENTRY * glEnableClientState) (GLenum array);
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void (APIENTRY * glDisableClientState) (GLenum array);
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void (APIENTRY * glVertexPointer) (GLint size, GLenum type,
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GLsizei stride,
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const GLvoid * pointer);
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@@ -83,6 +80,7 @@ void
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init_glfuncs(glfuncs * f)
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{
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f->glEnableClientState = get_funcaddr("glEnableClientState");
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f->glDisableClientState = get_funcaddr("glDisableClientState");
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f->glVertexPointer = get_funcaddr("glVertexPointer");
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f->glDrawArrays = get_funcaddr("glDrawArrays");
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f->glClearColor = get_funcaddr("glClearColor");
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@@ -119,8 +117,8 @@ main(int argc, char *argv[])
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video_w = 320;
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video_h = 480;
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#ifdef __QNXNTO__
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video_h = 640;
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video_w = 480;
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video_h = 640;
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#endif /* __QNXNTO__ */
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if (argv[1]) {
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@@ -176,12 +174,15 @@ main(int argc, char *argv[])
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f.glEnable(GL_POINT_SMOOTH);
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f.glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
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f.glPointSize(5.0f);
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f.glPointSize(1.0f);
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f.glEnable(GL_FOG);
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f.glFogf(GL_FOG_START, -500);
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f.glFogf(GL_FOG_END, 500);
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f.glFogf(GL_FOG_DENSITY, 0.005);
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f.glVertexPointer(3, GL_FLOAT, 0, pixels);
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f.glEnableClientState(GL_VERTEX_ARRAY);
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do {
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f.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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@@ -190,8 +191,6 @@ main(int argc, char *argv[])
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f.glColor4f(1.0, 1.0, 1.0, 1.0);
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f.glEnableClientState(GL_VERTEX_ARRAY);
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f.glVertexPointer(3, GL_FLOAT, 0, pixels);
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f.glDrawArrays(GL_POINTS, 0, NB_PIXELS);
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SDL_GL_SwapBuffers();
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@@ -207,6 +206,8 @@ main(int argc, char *argv[])
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}
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while (!done);
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f.glDisableClientState(GL_VERTEX_ARRAY);
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SDL_Quit();
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return 0;
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}
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