diff options
Diffstat (limited to 'intern/cycles/blender/image.cpp')
| -rw-r--r-- | intern/cycles/blender/image.cpp | 176 |
1 files changed, 131 insertions, 45 deletions
diff --git a/intern/cycles/blender/image.cpp b/intern/cycles/blender/image.cpp index ca4c8f5904a..aea79ad60ad 100644 --- a/intern/cycles/blender/image.cpp +++ b/intern/cycles/blender/image.cpp @@ -7,27 +7,54 @@ #include "blender/session.h" #include "blender/util.h" +#include "util/half.h" + CCL_NAMESPACE_BEGIN /* Packed Images */ BlenderImageLoader::BlenderImageLoader(BL::Image b_image, const int frame, + const int tile_number, const bool is_preview_render) : b_image(b_image), frame(frame), + tile_number(tile_number), /* Don't free cache for preview render to avoid race condition from T93560, to be fixed - properly later as we are close to release. */ + * properly later as we are close to release. */ free_cache(!is_preview_render && !b_image.has_data()) { } bool BlenderImageLoader::load_metadata(const ImageDeviceFeatures &, ImageMetaData &metadata) { - metadata.width = b_image.size()[0]; - metadata.height = b_image.size()[1]; + if (b_image.source() != BL::Image::source_TILED) { + /* Image sequence might have different dimensions, and hence needs to be handled in a special + * manner. + * NOTE: Currently the sequences are not handled by this image loader. */ + assert(b_image.source() != BL::Image::source_SEQUENCE); + + metadata.width = b_image.size()[0]; + metadata.height = b_image.size()[1]; + metadata.channels = b_image.channels(); + } + else { + /* Different UDIM tiles might have different resolutions, so get resolution from the actual + * tile. */ + BL::UDIMTile b_udim_tile = b_image.tiles.get(tile_number); + if (b_udim_tile) { + metadata.width = b_udim_tile.size()[0]; + metadata.height = b_udim_tile.size()[1]; + metadata.channels = b_udim_tile.channels(); + } + else { + metadata.width = 0; + metadata.height = 0; + metadata.channels = 0; + } + } + metadata.depth = 1; - metadata.channels = b_image.channels(); if (b_image.is_float()) { if (metadata.channels == 1) { @@ -60,81 +87,134 @@ bool BlenderImageLoader::load_metadata(const ImageDeviceFeatures &, ImageMetaDat } bool BlenderImageLoader::load_pixels(const ImageMetaData &metadata, - void *pixels, - const size_t pixels_size, + void *out_pixels, + const size_t out_pixels_size, const bool associate_alpha) { const size_t num_pixels = ((size_t)metadata.width) * metadata.height; const int channels = metadata.channels; - const int tile = 0; /* TODO(lukas): Support tiles here? */ - if (b_image.is_float()) { - /* image data */ - float *image_pixels; - image_pixels = image_get_float_pixels_for_frame(b_image, frame, tile); + if (metadata.type == IMAGE_DATA_TYPE_FLOAT || metadata.type == IMAGE_DATA_TYPE_FLOAT4) { + /* Float. */ + float *in_pixels = image_get_float_pixels_for_frame(b_image, frame, tile_number); - if (image_pixels && num_pixels * channels == pixels_size) { - memcpy(pixels, image_pixels, pixels_size * sizeof(float)); + if (in_pixels && num_pixels * channels == out_pixels_size) { + /* Straight copy pixel data. */ + memcpy(out_pixels, in_pixels, out_pixels_size * sizeof(float)); } else { + /* Missing or invalid pixel data. */ if (channels == 1) { - memset(pixels, 0, num_pixels * sizeof(float)); + memset(out_pixels, 0, num_pixels * sizeof(float)); } else { - const size_t num_pixels_safe = pixels_size / channels; - float *fp = (float *)pixels; - for (int i = 0; i < num_pixels_safe; i++, fp += channels) { - fp[0] = 1.0f; - fp[1] = 0.0f; - fp[2] = 1.0f; + const size_t num_pixels_safe = out_pixels_size / channels; + float *out_pixel = (float *)out_pixels; + for (int i = 0; i < num_pixels_safe; i++, out_pixel += channels) { + out_pixel[0] = 1.0f; + out_pixel[1] = 0.0f; + out_pixel[2] = 1.0f; if (channels == 4) { - fp[3] = 1.0f; + out_pixel[3] = 1.0f; } } } } - if (image_pixels) { - MEM_freeN(image_pixels); + if (in_pixels) { + MEM_freeN(in_pixels); } } - else { - unsigned char *image_pixels = image_get_pixels_for_frame(b_image, frame, tile); + else if (metadata.type == IMAGE_DATA_TYPE_HALF || metadata.type == IMAGE_DATA_TYPE_HALF4) { + /* Half float. Blender does not have a half type, but in some cases + * we up-sample byte to half to avoid precision loss for colorspace + * conversion. */ + unsigned char *in_pixels = image_get_pixels_for_frame(b_image, frame, tile_number); - if (image_pixels && num_pixels * channels == pixels_size) { - memcpy(pixels, image_pixels, pixels_size * sizeof(unsigned char)); + if (in_pixels && num_pixels * channels == out_pixels_size) { + /* Convert uchar to half. */ + const uchar *in_pixel = in_pixels; + half *out_pixel = (half *)out_pixels; + if (associate_alpha && channels == 4) { + for (size_t i = 0; i < num_pixels; i++, in_pixel += 4, out_pixel += 4) { + const float alpha = util_image_cast_to_float(in_pixel[3]); + out_pixel[0] = float_to_half_image(util_image_cast_to_float(in_pixel[0]) * alpha); + out_pixel[1] = float_to_half_image(util_image_cast_to_float(in_pixel[1]) * alpha); + out_pixel[2] = float_to_half_image(util_image_cast_to_float(in_pixel[2]) * alpha); + out_pixel[3] = float_to_half_image(alpha); + } + } + else { + for (size_t i = 0; i < num_pixels; i++) { + for (int c = 0; c < channels; c++, in_pixel++, out_pixel++) { + *out_pixel = float_to_half_image(util_image_cast_to_float(*in_pixel)); + } + } + } } else { + /* Missing or invalid pixel data. */ if (channels == 1) { - memset(pixels, 0, pixels_size * sizeof(unsigned char)); + memset(out_pixels, 0, num_pixels * sizeof(half)); } else { - const size_t num_pixels_safe = pixels_size / channels; - unsigned char *cp = (unsigned char *)pixels; - for (size_t i = 0; i < num_pixels_safe; i++, cp += channels) { - cp[0] = 255; - cp[1] = 0; - cp[2] = 255; + const size_t num_pixels_safe = out_pixels_size / channels; + half *out_pixel = (half *)out_pixels; + for (int i = 0; i < num_pixels_safe; i++, out_pixel += channels) { + out_pixel[0] = float_to_half_image(1.0f); + out_pixel[1] = float_to_half_image(0.0f); + out_pixel[2] = float_to_half_image(1.0f); if (channels == 4) { - cp[3] = 255; + out_pixel[3] = float_to_half_image(1.0f); } } } } - if (image_pixels) { - MEM_freeN(image_pixels); + if (in_pixels) { + MEM_freeN(in_pixels); } + } + else { + /* Byte. */ + unsigned char *in_pixels = image_get_pixels_for_frame(b_image, frame, tile_number); + + if (in_pixels && num_pixels * channels == out_pixels_size) { + /* Straight copy pixel data. */ + memcpy(out_pixels, in_pixels, out_pixels_size * sizeof(unsigned char)); - if (associate_alpha) { - /* Premultiply, byte images are always straight for Blender. */ - unsigned char *cp = (unsigned char *)pixels; - for (size_t i = 0; i < num_pixels; i++, cp += channels) { - cp[0] = (cp[0] * cp[3]) / 255; - cp[1] = (cp[1] * cp[3]) / 255; - cp[2] = (cp[2] * cp[3]) / 255; + if (associate_alpha && channels == 4) { + /* Premultiply, byte images are always straight for Blender. */ + unsigned char *out_pixel = (unsigned char *)out_pixels; + for (size_t i = 0; i < num_pixels; i++, out_pixel += 4) { + out_pixel[0] = (out_pixel[0] * out_pixel[3]) / 255; + out_pixel[1] = (out_pixel[1] * out_pixel[3]) / 255; + out_pixel[2] = (out_pixel[2] * out_pixel[3]) / 255; + } } } + else { + /* Missing or invalid pixel data. */ + if (channels == 1) { + memset(out_pixels, 0, out_pixels_size * sizeof(unsigned char)); + } + else { + const size_t num_pixels_safe = out_pixels_size / channels; + unsigned char *out_pixel = (unsigned char *)out_pixels; + for (size_t i = 0; i < num_pixels_safe; i++, out_pixel += channels) { + out_pixel[0] = 255; + out_pixel[1] = 0; + out_pixel[2] = 255; + if (channels == 4) { + out_pixel[3] = 255; + } + } + } + } + + if (in_pixels) { + MEM_freeN(in_pixels); + } } /* Free image buffers to save memory during render. */ @@ -153,7 +233,13 @@ string BlenderImageLoader::name() const bool BlenderImageLoader::equals(const ImageLoader &other) const { const BlenderImageLoader &other_loader = (const BlenderImageLoader &)other; - return b_image == other_loader.b_image && frame == other_loader.frame; + return b_image == other_loader.b_image && frame == other_loader.frame && + tile_number == other_loader.tile_number; +} + +int BlenderImageLoader::get_tile_number() const +{ + return tile_number; } /* Point Density */ |