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winebus.sys: Pack hatswitch values into button bytes.
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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ba79a14369
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5ff326f801
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@ -123,7 +123,7 @@ struct platform_private
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int button_start;
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int axis_start;
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int ball_start;
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int hat_start;
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int hat_bit_offs; /* hatswitches are reported in the same bytes as buttons */
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int report_descriptor_size;
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BYTE *report_descriptor;
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@ -164,10 +164,6 @@ static const BYTE CONTROLLER_BUTTONS[] = {
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0x95, CONTROLLER_NUM_BUTTONS, /* REPORT_COUNT (11) */
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0x75, 0x01, /* REPORT_SIZE (1) */
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0x81, 0x02, /* INPUT (Data,Var,Abs) */
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/* padding */
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0x95, 0x05, /* REPORT_COUNT (5) */
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0x75, 0x01, /* REPORT_SIZE (1) */
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0x81, 0x03, /* INPUT (Cnst,Var,Abs) */
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};
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static const BYTE CONTROLLER_AXIS [] = {
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@ -302,22 +298,50 @@ static void set_ball_value(struct platform_private *ext, int index, int value1,
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static void set_hat_value(struct platform_private *ext, int index, int value)
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{
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int offset;
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offset = ext->hat_start + index;
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int byte = ext->button_start + (ext->hat_bit_offs + 4 * index) / 8;
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int bit_offs = (ext->hat_bit_offs + 4 * index) % 8;
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int num_low_bits, num_high_bits;
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unsigned char val, low_mask, high_mask;
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/* 4-bit hatswitch value is packed into button bytes */
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if (bit_offs <= 4)
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{
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num_low_bits = 4;
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num_high_bits = 0;
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low_mask = 0xf;
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high_mask = 0;
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}
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else
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{
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num_low_bits = 8 - bit_offs;
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num_high_bits = 4 - num_low_bits;
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low_mask = (1 << num_low_bits) - 1;
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high_mask = (1 << num_high_bits) - 1;
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}
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switch (value)
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{
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/* 8 1 2
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* 7 0 3
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* 6 5 4 */
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case SDL_HAT_CENTERED: ext->report_buffer[offset] = 0; break;
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case SDL_HAT_UP: ext->report_buffer[offset] = 1; break;
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case SDL_HAT_RIGHTUP: ext->report_buffer[offset] = 2; break;
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case SDL_HAT_RIGHT: ext->report_buffer[offset] = 3; break;
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case SDL_HAT_RIGHTDOWN: ext->report_buffer[offset] = 4; break;
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case SDL_HAT_DOWN: ext->report_buffer[offset] = 5; break;
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case SDL_HAT_LEFTDOWN: ext->report_buffer[offset] = 6; break;
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case SDL_HAT_LEFT: ext->report_buffer[offset] = 7; break;
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case SDL_HAT_LEFTUP: ext->report_buffer[offset] = 8; break;
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case SDL_HAT_CENTERED: val = 0; break;
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case SDL_HAT_UP: val = 1; break;
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case SDL_HAT_RIGHTUP: val = 2; break;
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case SDL_HAT_RIGHT: val = 3; break;
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case SDL_HAT_RIGHTDOWN: val = 4; break;
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case SDL_HAT_DOWN: val = 5; break;
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case SDL_HAT_LEFTDOWN: val = 6; break;
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case SDL_HAT_LEFT: val = 7; break;
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case SDL_HAT_LEFTUP: val = 8; break;
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default: return;
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}
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ext->report_buffer[byte] &= ~(low_mask << bit_offs);
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ext->report_buffer[byte] |= (val & low_mask) << bit_offs;
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if (high_mask)
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{
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ext->report_buffer[byte + 1] &= ~high_mask;
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ext->report_buffer[byte + 1] |= val & high_mask;
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}
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}
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@ -423,19 +447,17 @@ static BOOL build_report_descriptor(struct platform_private *ext)
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if (button_count)
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{
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descript_size += sizeof(REPORT_BUTTONS);
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if (button_count % 8)
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descript_size += sizeof(REPORT_PADDING);
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report_size += (button_count + 7) / 8;
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}
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hat_count = pSDL_JoystickNumHats(ext->sdl_joystick);
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ext->hat_start = report_size;
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ext->hat_bit_offs = button_count;
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if (hat_count)
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{
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descript_size += sizeof(REPORT_HATSWITCH);
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report_size += hat_count;
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}
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report_size += (button_count + hat_count * 4 + 7) / 8;
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descript_size += test_haptic(ext);
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TRACE("Report Descriptor will be %i bytes\n", descript_size);
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@ -468,11 +490,6 @@ static BOOL build_report_descriptor(struct platform_private *ext)
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if (button_count)
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{
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report_ptr = add_button_block(report_ptr, 1, button_count);
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if (button_count % 8)
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{
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BYTE padding = 8 - (button_count % 8);
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report_ptr = add_padding_block(report_ptr, padding);
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}
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}
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if (hat_count)
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report_ptr = add_hatswitch(report_ptr, hat_count);
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@ -540,9 +557,11 @@ static BOOL build_mapped_report_descriptor(struct platform_private *ext)
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ext->axis_start = 0;
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ext->button_start = CONTROLLER_NUM_AXES * sizeof(WORD);
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ext->hat_start = ext->button_start + (CONTROLLER_NUM_BUTTONS + 7) / 8;
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ext->hat_bit_offs = CONTROLLER_NUM_BUTTONS;
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ext->buffer_length = (CONTROLLER_NUM_BUTTONS + 7) / 8 + CONTROLLER_NUM_AXES * sizeof(WORD) + CONTROLLER_NUM_HATSWITCHES;
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ext->buffer_length = (CONTROLLER_NUM_BUTTONS + CONTROLLER_NUM_HATSWITCHES * 4 + 7) / 8
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+ CONTROLLER_NUM_AXES * sizeof(WORD)
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+ 2/* unknown constant*/;
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TRACE("Report Descriptor will be %i bytes\n", descript_size);
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TRACE("Report will be %i bytes\n", ext->buffer_length);
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@ -566,6 +585,7 @@ static BOOL build_mapped_report_descriptor(struct platform_private *ext)
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memcpy(report_ptr, CONTROLLER_BUTTONS, sizeof(CONTROLLER_BUTTONS));
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report_ptr += sizeof(CONTROLLER_BUTTONS);
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report_ptr = add_hatswitch(report_ptr, 1);
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report_ptr = add_padding_block(report_ptr, 16);/* unknown constant */
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report_ptr += build_haptic(ext, report_ptr);
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memcpy(report_ptr, REPORT_TAIL, sizeof(REPORT_TAIL));
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@ -584,6 +604,10 @@ static BOOL build_mapped_report_descriptor(struct platform_private *ext)
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set_hat_value(ext, 0, compose_dpad_value(ext->sdl_controller));
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/* unknown constant */
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ext->report_buffer[12] = 0x89;
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ext->report_buffer[13] = 0xc5;
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return TRUE;
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}
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@ -79,7 +79,7 @@ static const BYTE REPORT_HATSWITCH[] = {
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0x25, 0x08, /* LOGICAL_MAXIMUM (0x08) */
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0x35, 0x00, /* PHYSICAL_MINIMUM (0) */
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0x45, 0x08, /* PHYSICAL_MAXIMUM (8) */
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0x75, 0x08, /* REPORT_SIZE (8) */
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0x75, 0x04, /* REPORT_SIZE (4) */
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0x95, 0x01, /* REPORT_COUNT (1) */
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0x81, 0x02, /* INPUT (Data,Var,Abs) */
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};
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