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101 lines
3 KiB
C
101 lines
3 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "applib/graphics/graphics.h"
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#include "applib/graphics/framebuffer.h"
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#include "applib/ui/window_private.h"
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#include "applib/ui/layer.h"
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#include "util/graphics.h"
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#include "clar.h"
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#include "util.h"
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#include <stdio.h>
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// Helper Functions
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////////////////////////////////////
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#include "test_graphics.h"
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#include "8bit/test_framebuffer.h"
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// Stubs
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////////////////////////////////////
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#include "graphics_common_stubs.h"
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#include "stubs_applib_resource.h"
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static FrameBuffer *fb = NULL;
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#define COLOR(x) ((GColor){.argb=GColor ## x ## ARGB8})
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#define NUM_COLORS 4
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GColor color_table[NUM_COLORS] = {
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COLOR(Red),
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COLOR(Yellow),
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COLOR(Cyan),
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COLOR(Black),
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};
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// Setup
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void test_framebuffer_duma__initialize(void) {
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fb = malloc(sizeof(FrameBuffer));
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framebuffer_init(fb, &(GSize) { DISP_COLS, DISP_ROWS });
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}
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// Teardown
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void test_framebuffer_duma__cleanup(void) {
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free(fb);
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}
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// Intentionally unchecked framebuffer drawing function
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static void draw_fb_raw(uint8_t *buffer, int offset, GColor8 color) {
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buffer[offset] = color.argb;
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}
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// Tests
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////////////////////////////////////
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void test_framebuffer_duma__draw_within_framebuffer(void) {
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GContext ctx;
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test_graphics_context_init(&ctx, fb);
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// This test should only be running on color displays
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cl_assert(ctx.dest_bitmap.info.format == GBitmapFormat8Bit ||
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ctx.dest_bitmap.info.format == GBitmapFormat8BitCircular);
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// This should touch all valid bytes in the framebuffer
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for (int y = DISP_ROWS - 1; y >= 0; y--) {
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GColor color = color_table[y % NUM_COLORS];
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int16_t row_offset = DISP_COLS * y;
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GBitmapDataRowInfo row_info = gbitmap_get_data_row_info(&ctx.dest_bitmap, y);
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for (int x = row_info.min_x; x < row_info.max_x; x++) {
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// Use direct framebuffer access to prove framebuffer-correct positioning
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row_info.data[x] = color.argb;
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}
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}
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}
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// This test validates that a duma assert is caught when drawing outside of the framebuffer
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void test_framebuffer_duma__draw_beyond_framebuffer(void) {
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GContext ctx;
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test_graphics_context_init(&ctx, fb);
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// This test should only be running on color displays
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cl_assert(ctx.dest_bitmap.info.format == GBitmapFormat8Bit ||
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ctx.dest_bitmap.info.format == GBitmapFormat8BitCircular);
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uint8_t *buffer = (uint8_t*)ctx.dest_bitmap.addr;
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// Expect this to assert using duma protection, we are writing past framebuffer
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cl_assert_passert(draw_fb_raw(buffer, FRAMEBUFFER_SIZE_BYTES + 1, GColorWhite));
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}
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