119 lines
2.2 KiB
C
119 lines
2.2 KiB
C
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#ifndef TEST_H
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#define TEST_H
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#include <stdint.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/XShm.h>
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#include <X11/extensions/Xrender.h>
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#define DEFAULT_ITERATIONS 20
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enum target {
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ROOT,
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CHILD,
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PIXMAP,
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};
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#define TARGET_FIRST ROOT
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#define TARGET_LAST PIXMAP
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enum mask {
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MASK_NONE,
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MASK_NONE_AA,
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MASK_A1,
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MASK_A8,
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};
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struct test {
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struct test_display {
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Display *dpy;
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Window root;
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XShmSegmentInfo shm;
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int max_shm_size;
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int width, height;
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XRenderPictFormat *format;
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} real, ref;
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};
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void die(const char *fmt, ...);
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#define die_unless(expr) do{ if (!(expr)) die("verification failed: %s\n", #expr); } while(0)
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void test_init(struct test *test, int argc, char **argv);
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void test_compare(struct test *real,
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Drawable real_draw, XRenderPictFormat *real_format,
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Drawable ref_draw, XRenderPictFormat *ref_format,
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int x, int y, int w, int h, const char *info);
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#define MAX_DELTA 3
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int pixel_difference(uint32_t a, uint32_t b);
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static inline int pixel_equal(int depth, uint32_t a, uint32_t b)
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{
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uint32_t mask;
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if (depth == 32)
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mask = 0xffffffff;
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else
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mask = (1 << depth) - 1;
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a &= mask;
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b &= mask;
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if (a == b)
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return 1;
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return pixel_difference(a, b) < MAX_DELTA;
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}
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void
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test_init_image(XImage *ximage,
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XShmSegmentInfo *shm,
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XRenderPictFormat *format,
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int width, int height);
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const char *test_target_name(enum target target);
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struct test_target {
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struct test_display *dpy;
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Drawable draw;
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GC gc;
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XRenderPictFormat *format;
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Picture picture;
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int width, height;
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enum target target;
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};
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void test_target_create_render(struct test_display *dpy,
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enum target target,
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struct test_target *tt);
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void test_target_destroy_render(struct test_display *dpy,
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struct test_target *tt);
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static inline uint32_t depth_mask(int depth)
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{
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if (depth == 32)
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return 0xffffffff;
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else
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return (1 << depth) - 1;
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}
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static inline uint32_t color(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha)
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{
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uint16_t ra = red * alpha;
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uint16_t ga = green * alpha;
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uint16_t ba = blue * alpha;
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return alpha << 24 | ra >> 8 << 16 | ga >> 8 << 8 | ba >> 8;
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}
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#ifndef MAX
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#define MAX(a,b) ((a) > (b) ? (a) : (b))
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#endif
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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#endif
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#endif
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