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[QP] Native palette support for fonts (#20645) 

Co-authored-by: Joel Challis <git@zvecr.com>
master
Pablo Martínez 2024-02-16 14:58:00 +01:00 committed by GitHub
parent cf162f90fe
commit 3a0f11a661
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GPG Key ID: B5690EEEBB952194
4 changed files with 49 additions and 36 deletions
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5
quantum/painter/qp_draw.h
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@ -92,4 +92,9 @@ typedef struct qp_internal_byte_output_state_t {
bool qp_internal_byte_appender(uint8_t byteval, void* cb_arg);
// Helper shared between image and font rendering, sends pixels to the display using:
// - qp_internal_decode_palette + qp_internal_pixel_appender (bpp <= 8)
// - qp_internal_send_bytes (bpp > 8)
bool qp_internal_appender(painter_device_t device, uint8_t bpp, uint32_t pixel_count, qp_internal_byte_input_callback input_callback, void* input_state);
qp_internal_byte_input_callback qp_internal_prepare_input_state(qp_internal_byte_input_state_t* input_state, painter_compression_t compression);

40
quantum/painter/qp_draw_codec.c
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@ -1,4 +1,5 @@
// Copyright 2021 Nick Brassel (@tzarc)
// Copyright 2023 Pablo Martinez (@elpekenin) <elpekenin@elpekenin.dev>
// SPDX-License-Identifier: GPL-2.0-or-later
#include "qp_internal.h"
@ -164,6 +165,45 @@ bool qp_internal_byte_appender(uint8_t byteval, void* cb_arg) {
return true;
}
// Helper shared between image and font rendering -- uses either (qp_internal_decode_palette + qp_internal_pixel_appender) or (qp_internal_send_bytes) to send data data to the display based on the asset's native-ness
bool qp_internal_appender(painter_device_t device, uint8_t bpp, uint32_t pixel_count, qp_internal_byte_input_callback input_callback, void* input_state) {
painter_driver_t* driver = (painter_driver_t*)device;
bool ret = false;
// Non-native pixel format
if (bpp <= 8) {
// Set up the output state
qp_internal_pixel_output_state_t output_state = {.device = device, .pixel_write_pos = 0, .max_pixels = qp_internal_num_pixels_in_buffer(device)};
// Decode the pixel data and stream to the display
ret = qp_internal_decode_palette(device, pixel_count, bpp, input_callback, input_state, qp_internal_global_pixel_lookup_table, qp_internal_pixel_appender, &output_state);
// Any leftovers need transmission as well.
if (ret && output_state.pixel_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.pixel_write_pos);
}
}
// Native pixel format
else if (bpp != driver->native_bits_per_pixel) {
qp_dprintf("Asset's bpp (%d) doesn't match the target display's native_bits_per_pixel (%d)\n", bpp, driver->native_bits_per_pixel);
return false;
} else {
// Set up the output state
qp_internal_byte_output_state_t output_state = {.device = device, .byte_write_pos = 0, .max_bytes = qp_internal_num_pixels_in_buffer(device) * driver->native_bits_per_pixel / 8};
// Stream the raw pixel data to the display
uint32_t byte_count = pixel_count * bpp / 8;
ret = qp_internal_send_bytes(device, byte_count, input_callback, input_state, qp_internal_byte_appender, &output_state);
// Any leftovers need transmission as well.
if (ret && output_state.byte_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.byte_write_pos * 8 / driver->native_bits_per_pixel);
}
}
return ret;
}
qp_internal_byte_input_callback qp_internal_prepare_input_state(qp_internal_byte_input_state_t* input_state, painter_compression_t compression) {
switch (compression) {
case IMAGE_UNCOMPRESSED:

29
quantum/painter/qp_draw_image.c
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@ -263,33 +263,8 @@ static bool qp_drawimage_recolor_impl(painter_device_t device, uint16_t x, uint1
return false;
}
bool ret = false;
if (!frame_info->is_panel_native) {
// Set up the output state
qp_internal_pixel_output_state_t output_state = {.device = device, .pixel_write_pos = 0, .max_pixels = qp_internal_num_pixels_in_buffer(device)};
// Decode the pixel data and stream to the display
ret = qp_internal_decode_palette(device, pixel_count, frame_info->bpp, input_callback, &input_state, qp_internal_global_pixel_lookup_table, qp_internal_pixel_appender, &output_state);
// Any leftovers need transmission as well.
if (ret && output_state.pixel_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.pixel_write_pos);
}
} else if (frame_info->bpp != driver->native_bits_per_pixel) {
// Prevent stuff like drawing 24bpp images on 16bpp displays
qp_dprintf("Image's bpp doesn't match the target display's native_bits_per_pixel\n");
return false;
} else {
// Set up the output state
qp_internal_byte_output_state_t output_state = {.device = device, .byte_write_pos = 0, .max_bytes = qp_internal_num_pixels_in_buffer(device) * driver->native_bits_per_pixel / 8};
// Stream the raw pixel data to the display
uint32_t byte_count = pixel_count * frame_info->bpp / 8;
ret = qp_internal_send_bytes(device, byte_count, input_callback, &input_state, qp_internal_byte_appender, &output_state);
// Any leftovers need transmission as well.
if (ret && output_state.byte_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(device, qp_internal_global_pixdata_buffer, output_state.byte_write_pos * 8 / driver->native_bits_per_pixel);
}
}
// Decode and stream pixels
bool ret = qp_internal_appender(device, frame_info->bpp, pixel_count, input_callback, &input_state);
qp_dprintf("qp_drawimage_recolor: %s\n", ret ? "ok" : "fail");
qp_comms_stop(device);

11
quantum/painter/qp_draw_text.c
View File

@ -364,16 +364,9 @@ static inline bool qp_font_code_point_handler_drawglyph(qff_font_handle_t *qff_f
// Move the x-position for the next glyph
state->xpos += width;
// Decode the pixel data for the glyph
// Decode the pixel data for the glyph, and stream it
uint32_t pixel_count = ((uint32_t)width) * height;
bool ret = qp_internal_decode_palette(state->device, pixel_count, qff_font->bpp, state->input_callback, state->input_state, qp_internal_global_pixel_lookup_table, qp_internal_pixel_appender, state->output_state);
// Any leftovers need transmission as well.
if (ret && state->output_state->pixel_write_pos > 0) {
ret &= driver->driver_vtable->pixdata(state->device, qp_internal_global_pixdata_buffer, state->output_state->pixel_write_pos);
}
return ret;
return qp_internal_appender(state->device, qff_font->bpp, pixel_count, state->input_callback, state->input_state);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////