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https://github.com/mfulz/qmk_firmware.git
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8e614250b4
Co-authored-by: Pablo Martínez <58857054+elpekenin@users.noreply.github.com> Co-authored-by: Dasky <32983009+daskygit@users.noreply.github.com> Fixup delta frame coordinates after #20296.
120 lines
7.6 KiB
C
120 lines
7.6 KiB
C
// Copyright 2022 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#ifdef QUANTUM_PAINTER_SURFACE_ENABLE
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# include "qp_surface.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Internal declarations
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// Surface vtable
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typedef struct surface_painter_driver_vtable_t {
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painter_driver_vtable_t base; // must be first, so it can be cast to/from the painter_driver_vtable_t* type
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bool (*target_pixdata_transfer)(painter_driver_t *surface_driver, painter_driver_t *target_driver, uint16_t x, uint16_t y, bool entire_surface);
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} surface_painter_driver_vtable_t;
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typedef struct surface_dirty_data_t {
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bool is_dirty;
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uint16_t l;
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uint16_t t;
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uint16_t r;
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uint16_t b;
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} surface_dirty_data_t;
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typedef struct surface_viewport_data_t {
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// Manually manage the viewport for streaming pixel data to the display
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uint16_t viewport_l;
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uint16_t viewport_t;
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uint16_t viewport_r;
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uint16_t viewport_b;
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// Current write location to the display when streaming pixel data
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uint16_t pixdata_x;
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uint16_t pixdata_y;
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} surface_viewport_data_t;
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// Surface struct
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typedef struct surface_painter_device_t {
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painter_driver_t base; // must be first, so it can be cast to/from the painter_device_t* type
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// The target buffer
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union {
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void * buffer;
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uint8_t * u8buffer;
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uint16_t *u16buffer;
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};
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// Manually manage the viewport for streaming pixel data to the display
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surface_viewport_data_t viewport;
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// Maintain a dirty region so we can stream only what we need
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surface_dirty_data_t dirty;
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} surface_painter_device_t;
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/**
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* Factory method for an RGB565 surface (aka framebuffer). Accepts an external device table.
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*
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* @param device_table[in] the table of devices to use for instantiation
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* @param device_table_len[in] the length of the table of devices
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* @param panel_width[in] the width of the display panel
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* @param panel_height[in] the height of the display panel
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* @param buffer[in] pointer to a preallocated uint8_t buffer of size `SURFACE_REQUIRED_BUFFER_BYTE_SIZE(panel_width, panel_height, 16)`
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* @return the device handle used with all drawing routines in Quantum Painter
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*/
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painter_device_t qp_make_rgb565_surface_advanced(surface_painter_device_t *device_table, size_t device_table_len, uint16_t panel_width, uint16_t panel_height, void *buffer);
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/**
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* Factory method for a 1bpp monochrome surface (aka framebuffer).
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*
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* @param device_table[in] the table of devices to use for instantiation
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* @param device_table_len[in] the length of the table of devices
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* @param panel_width[in] the width of the display panel
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* @param panel_height[in] the height of the display panel
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* @param buffer[in] pointer to a preallocated uint8_t buffer of size `SURFACE_REQUIRED_BUFFER_BYTE_SIZE(panel_width, panel_height, 16)`
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* @return the device handle used with all drawing routines in Quantum Painter
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*/
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painter_device_t qp_make_mono1bpp_surface_advanced(surface_painter_device_t *device_table, size_t device_table_len, uint16_t panel_width, uint16_t panel_height, void *buffer);
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// Driver storage
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extern surface_painter_device_t surface_drivers[SURFACE_NUM_DEVICES];
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// Surface common APIs
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bool qp_surface_init(painter_device_t device, painter_rotation_t rotation);
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bool qp_surface_power(painter_device_t device, bool power_on);
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bool qp_surface_clear(painter_device_t device);
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bool qp_surface_flush(painter_device_t device);
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bool qp_surface_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom);
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void qp_surface_increment_pixdata_location(surface_viewport_data_t *viewport);
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void qp_surface_update_dirty(surface_dirty_data_t *dirty, uint16_t x, uint16_t y);
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#endif // QUANTUM_PAINTER_SURFACE_ENABLE
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Factory functions for creating a handle to a surface
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#define SURFACE_FACTORY_FUNCTION_IMPL(function_name, vtable, bpp) \
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painter_device_t(function_name##_advanced)(surface_painter_device_t * device_table, size_t device_table_len, uint16_t panel_width, uint16_t panel_height, void *buffer) { \
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for (uint32_t i = 0; i < device_table_len; ++i) { \
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surface_painter_device_t *driver = &device_table[i]; \
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if (!driver->base.driver_vtable) { \
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driver->base.driver_vtable = (painter_driver_vtable_t *)&(vtable); \
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driver->base.native_bits_per_pixel = (bpp); \
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driver->base.comms_vtable = &dummy_comms_vtable; \
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driver->base.panel_width = panel_width; \
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driver->base.panel_height = panel_height; \
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driver->base.rotation = QP_ROTATION_0; \
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driver->base.offset_x = 0; \
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driver->base.offset_y = 0; \
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driver->buffer = buffer; \
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return (painter_device_t)driver; \
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} \
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} \
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return NULL; \
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} \
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painter_device_t(function_name)(uint16_t panel_width, uint16_t panel_height, void *buffer) { \
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return (function_name##_advanced)(surface_drivers, SURFACE_NUM_DEVICES, panel_width, panel_height, buffer); \
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}
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