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0e45984fa0
The internal function SDL_EGL_LoadLibrary() did not delete and remove a mostly uninitialized data structure if loading the library first failed. A later try to use EGL then skipped initialization and assumed it was previously successful because the data structure now already existed. This led to at least one crash in the internal function SDL_EGL_ChooseConfig() because a NULL pointer was dereferenced to make a call to eglBindAPI().
168 lines
3.1 KiB
C
168 lines
3.1 KiB
C
typedef unsigned char uchar;
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typedef struct MonitorInfo MonitorInfo;
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typedef struct Timing Timing;
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typedef struct DetailedTiming DetailedTiming;
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typedef enum
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{
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UNDEFINED,
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DVI,
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HDMI_A,
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HDMI_B,
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MDDI,
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DISPLAY_PORT
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} Interface;
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typedef enum
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{
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UNDEFINED_COLOR,
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MONOCHROME,
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RGB,
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OTHER_COLOR
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} ColorType;
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typedef enum
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{
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NO_STEREO,
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FIELD_RIGHT,
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FIELD_LEFT,
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TWO_WAY_RIGHT_ON_EVEN,
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TWO_WAY_LEFT_ON_EVEN,
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FOUR_WAY_INTERLEAVED,
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SIDE_BY_SIDE
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} StereoType;
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struct Timing
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{
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int width;
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int height;
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int frequency;
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};
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struct DetailedTiming
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{
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int pixel_clock;
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int h_addr;
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int h_blank;
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int h_sync;
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int h_front_porch;
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int v_addr;
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int v_blank;
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int v_sync;
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int v_front_porch;
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int width_mm;
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int height_mm;
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int right_border;
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int top_border;
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int interlaced;
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StereoType stereo;
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int digital_sync;
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union
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{
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struct
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{
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int bipolar;
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int serrations;
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int sync_on_green;
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} analog;
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struct
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{
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int composite;
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int serrations;
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int negative_vsync;
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int negative_hsync;
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} digital;
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};
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};
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struct MonitorInfo
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{
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int checksum;
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char manufacturer_code[4];
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int product_code;
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unsigned int serial_number;
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int production_week; /* -1 if not specified */
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int production_year; /* -1 if not specified */
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int model_year; /* -1 if not specified */
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int major_version;
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int minor_version;
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int is_digital;
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union
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{
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struct
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{
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int bits_per_primary;
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Interface interface;
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int rgb444;
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int ycrcb444;
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int ycrcb422;
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} digital;
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struct
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{
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double video_signal_level;
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double sync_signal_level;
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double total_signal_level;
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int blank_to_black;
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int separate_hv_sync;
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int composite_sync_on_h;
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int composite_sync_on_green;
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int serration_on_vsync;
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ColorType color_type;
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} analog;
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};
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int width_mm; /* -1 if not specified */
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int height_mm; /* -1 if not specified */
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double aspect_ratio; /* -1.0 if not specififed */
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double gamma; /* -1.0 if not specified */
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int standby;
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int suspend;
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int active_off;
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int srgb_is_standard;
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int preferred_timing_includes_native;
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int continuous_frequency;
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double red_x;
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double red_y;
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double green_x;
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double green_y;
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double blue_x;
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double blue_y;
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double white_x;
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double white_y;
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Timing established[24]; /* Terminated by 0x0x0 */
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Timing standard[8];
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int n_detailed_timings;
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DetailedTiming detailed_timings[4]; /* If monitor has a preferred
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* mode, it is the first one
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* (whether it has, is
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* determined by the
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* preferred_timing_includes
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* bit.
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*/
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/* Optional product description */
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char dsc_serial_number[14];
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char dsc_product_name[14];
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char dsc_string[14]; /* Unspecified ASCII data */
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};
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MonitorInfo *decode_edid (const uchar *data);
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void dump_monitor_info (MonitorInfo *info);
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char * make_display_name (const char *output_name,
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const MonitorInfo *info);
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