Differential D6936 Diff 22102 source/blender/blenfont/intern/blf_font.c

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source/blender/blenfont/intern/blf_font.c

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	static GPUTexture *blf_batch_cache_texture_load(void)			static GPUTexture *blf_batch_cache_texture_load(void)
	{			{
	GlyphCacheBLF *gc = g_batch.glyph_cache;			GlyphCacheBLF *gc = g_batch.glyph_cache;
	BLI_assert(gc);			BLI_assert(gc);
	BLI_assert(gc->bitmap_len > 0);			BLI_assert(gc->bitmap_len > 0);

	if (gc->bitmap_len > gc->bitmap_len_landed) {			if (gc->bitmap_len > gc->bitmap_len_landed) {
	const int tex_width = GPU_texture_width(gc->texture);			int bitmap_len = gc->bitmap_len;
				int tex_width = g_batch.font->tex_size_max;
				int tex_height = bitmap_len / tex_width + 1;

				if (tex_height == 1 && gc->texture && GPU_texture_height(gc->texture) == 1) {
	int bitmap_len_landed = gc->bitmap_len_landed;			int bitmap_len_landed = gc->bitmap_len_landed;
	int remain = gc->bitmap_len - bitmap_len_landed;
	int offset_x = bitmap_len_landed % tex_width;
	int offset_y = bitmap_len_landed / tex_width;

	/* TODO(germano): Update more than one row in a single call. */
	while (remain) {
	int remain_row = tex_width - offset_x;
	int width = remain > remain_row ? remain_row : remain;
	GPU_texture_update_sub(gc->texture,			GPU_texture_update_sub(gc->texture,
	GPU_DATA_UNSIGNED_BYTE,			GPU_DATA_UNSIGNED_BYTE,
	&gc->bitmap_result[bitmap_len_landed],			&gc->bitmap_result[bitmap_len_landed],
	offset_x,			bitmap_len_landed,
	offset_y,
	0,			0,
	width,			0,
				bitmap_len - bitmap_len_landed,
	1,			1,
	0);			0);
				}
	bitmap_len_landed += width;			else {
	remain -= width;			/* In some GPUs it is difficult to update a texture buffer with more than
	offset_x = 0;			* one row because the `GPU_texture_update_sub` behavior seems to vary.
	offset_y += 1;			* So, recreate the entire texture in this case. */
				if (gc->texture) {
				GPU_texture_free(gc->texture);
				}
				gc->texture = GPU_texture_create_nD(tex_width,
				tex_height,
				0,
				1,
				gc->bitmap_result,
				GPU_R8,
				GPU_DATA_UNSIGNED_BYTE,
				0,
				false,
				NULL);
	}			}

	gc->bitmap_len_landed = bitmap_len_landed;			gc->bitmap_len_landed = bitmap_len;
	}			}

	return gc->texture;			return gc->texture;
	}			}

	void blf_batch_draw(void)			void blf_batch_draw(void)
	{			{
	if (g_batch.glyph_len == 0) {			if (g_batch.glyph_len == 0) {
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