diff options
Diffstat (limited to 'core/io/image.cpp')
| -rw-r--r-- | core/io/image.cpp | 93 |
1 files changed, 53 insertions, 40 deletions
diff --git a/core/io/image.cpp b/core/io/image.cpp index 5d46d75efe..9cd0ea7b5d 100644 --- a/core/io/image.cpp +++ b/core/io/image.cpp @@ -34,7 +34,6 @@ #include "core/io/image_loader.h" #include "core/io/resource_loader.h" #include "core/math/math_funcs.h" -#include "core/os/copymem.h" #include "core/string/print_string.h" #include "core/templates/hash_map.h" @@ -1429,16 +1428,23 @@ void Image::flip_x() { } } +/// Get mipmap size and offset. int Image::_get_dst_image_size(int p_width, int p_height, Format p_format, int &r_mipmaps, int p_mipmaps, int *r_mm_width, int *r_mm_height) { + // Data offset in mipmaps (including the original texture). int size = 0; + int w = p_width; int h = p_height; + + // Current mipmap index in the loop below. p_mipmaps is the target mipmap index. + // In this function, mipmap 0 represents the first mipmap instead of the original texture. int mm = 0; int pixsize = get_format_pixel_size(p_format); int pixshift = get_format_pixel_rshift(p_format); int block = get_format_block_size(p_format); - //technically, you can still compress up to 1 px no matter the format, so commenting this + + // Technically, you can still compress up to 1 px no matter the format, so commenting this. //int minw, minh; //get_format_min_pixel_size(p_format, minw, minh); int minw = 1, minh = 1; @@ -1454,17 +1460,6 @@ int Image::_get_dst_image_size(int p_width, int p_height, Format p_format, int & size += s; - if (r_mm_width) { - *r_mm_width = bw; - } - if (r_mm_height) { - *r_mm_height = bh; - } - - if (p_mipmaps >= 0 && mm == p_mipmaps) { - break; - } - if (p_mipmaps >= 0) { w = MAX(minw, w >> 1); h = MAX(minh, h >> 1); @@ -1475,6 +1470,21 @@ int Image::_get_dst_image_size(int p_width, int p_height, Format p_format, int & w = MAX(minw, w >> 1); h = MAX(minh, h >> 1); } + + // Set mipmap size. + // It might be necessary to put this after the minimum mipmap size check because of the possible occurrence of "1 >> 1". + if (r_mm_width) { + *r_mm_width = bw >> 1; + } + if (r_mm_height) { + *r_mm_height = bh >> 1; + } + + // Reach target mipmap. + if (p_mipmaps >= 0 && mm == p_mipmaps) { + break; + } + mm++; } @@ -1537,7 +1547,7 @@ void Image::shrink_x2() { uint8_t *w = new_img.ptrw(); const uint8_t *r = data.ptr(); - copymem(w, &r[ofs], new_size); + memcpy(w, &r[ofs], new_size); } width = MAX(width / 2, 1); @@ -1932,7 +1942,7 @@ Error Image::generate_mipmap_roughness(RoughnessChannel p_roughness_channel, con uint8_t* wr = imgdata.ptrw(); - copymem(wr.ptr(), ptr, size); + memcpy(wr.ptr(), ptr, size); wr = uint8_t*(); Ref<Image> im; im.instance(); @@ -1982,7 +1992,7 @@ void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_forma { uint8_t *w = data.ptrw(); - zeromem(w, size); + memset(w, 0, size); } width = p_width; @@ -2719,10 +2729,11 @@ void (*Image::_image_decompress_bptc)(Image *) = nullptr; void (*Image::_image_decompress_etc1)(Image *) = nullptr; void (*Image::_image_decompress_etc2)(Image *) = nullptr; -Vector<uint8_t> (*Image::lossy_packer)(const Ref<Image> &, float) = nullptr; -Ref<Image> (*Image::lossy_unpacker)(const Vector<uint8_t> &) = nullptr; -Vector<uint8_t> (*Image::lossless_packer)(const Ref<Image> &) = nullptr; -Ref<Image> (*Image::lossless_unpacker)(const Vector<uint8_t> &) = nullptr; +Vector<uint8_t> (*Image::webp_lossy_packer)(const Ref<Image> &, float) = nullptr; +Vector<uint8_t> (*Image::webp_lossless_packer)(const Ref<Image> &) = nullptr; +Ref<Image> (*Image::webp_unpacker)(const Vector<uint8_t> &) = nullptr; +Vector<uint8_t> (*Image::png_packer)(const Ref<Image> &) = nullptr; +Ref<Image> (*Image::png_unpacker)(const Vector<uint8_t> &) = nullptr; Vector<uint8_t> (*Image::basis_universal_packer)(const Ref<Image> &, Image::UsedChannels) = nullptr; Ref<Image> (*Image::basis_universal_unpacker)(const Vector<uint8_t> &) = nullptr; @@ -3010,26 +3021,28 @@ Image::UsedChannels Image::detect_used_channels(CompressSource p_source) { ERR_FAIL_COND_V(is_compressed(), USED_CHANNELS_RGBA); bool r = false, g = false, b = false, a = false, c = false; - for (int i = 0; i < width; i++) { - for (int j = 0; j < height; j++) { - Color col = get_pixel(i, j); + const uint8_t *data_ptr = data.ptr(); - if (col.r > 0.001) { - r = true; - } - if (col.g > 0.001) { - g = true; - } - if (col.b > 0.001) { - b = true; - } - if (col.a < 0.999) { - a = true; - } + uint32_t data_total = width * height; - if (col.r != col.b || col.r != col.g || col.b != col.g) { - c = true; - } + for (uint32_t i = 0; i < data_total; i++) { + Color col = _get_color_at_ofs(data_ptr, i); + + if (col.r > 0.001) { + r = true; + } + if (col.g > 0.001) { + g = true; + } + if (col.b > 0.001) { + b = true; + } + if (col.a < 0.999) { + a = true; + } + + if (col.r != col.b || col.r != col.g || col.b != col.g) { + c = true; } } @@ -3293,7 +3306,7 @@ Ref<Image> Image::get_image_from_mipmap(int p_mipamp) const { { uint8_t *wr = new_data.ptrw(); const uint8_t *rd = data.ptr(); - copymem(wr, rd + ofs, size); + memcpy(wr, rd + ofs, size); } Ref<Image> image; @@ -3620,5 +3633,5 @@ Ref<Resource> Image::duplicate(bool p_subresources) const { } void Image::set_as_black() { - zeromem(data.ptrw(), data.size()); + memset(data.ptrw(), 0, data.size()); } |