Differential D8978 Diff 29163 source/blender/blenkernel/intern/image_gpu.c

Changeset View

Standalone View

source/blender/blenkernel/intern/image_gpu.c

Show First 20 Lines • Show All 43 Lines • ▼ Show 20 Lines
#include "GPU_texture.h"		#include "GPU_texture.h"

#include "PIL_time.h"		#include "PIL_time.h"

/* Prototypes. */		/* Prototypes. */
static void gpu_free_unused_buffers(void);		static void gpu_free_unused_buffers(void);
static void image_free_gpu(Image *ima, const bool immediate);		static void image_free_gpu(Image *ima, const bool immediate);

		/* Is the alpha of the `GPUTexture` for a given image/ibuf premultiplied. */
		bool BKE_image_has_gpu_texture_premultiplied_alpha(Image image, ImBuf ibuf)
		{
		const bool type_is_premultiplied = (image == NULL) \|\| ELEM(image->type,
		IMA_TYPE_R_RESULT,
		IMA_TYPE_COMPOSITE,
		IMA_TYPE_UV_TEST);
		const bool store_premultiplied =
		type_is_premultiplied \|\|
		((ibuf != NULL) &&
		(ibuf->rect_float ? (image ? (image->alpha_mode != IMA_ALPHA_STRAIGHT) : false) :
		(image ? (image->alpha_mode == IMA_ALPHA_PREMUL) : true)));
		return store_premultiplied;
		}

/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */
/** \name UDIM gpu texture		/** \name UDIM gpu texture
* \{ */		* \{ */

static bool is_over_resolution_limit(int w, int h)		static bool is_over_resolution_limit(int w, int h)
{		{
return (w > GPU_texture_size_with_limit(w) \|\| h > GPU_texture_size_with_limit(h));		return (w > GPU_texture_size_with_limit(w) \|\| h > GPU_texture_size_with_limit(h));
}		}
▲ Show 20 Lines • Show All 133 Lines • ▼ Show 20 Lines	LISTBASE_FOREACH (ImageTile *, tile, &ima->tiles) {
}		}

ImageUser iuser;		ImageUser iuser;
BKE_imageuser_default(&iuser);		BKE_imageuser_default(&iuser);
iuser.tile = tile->tile_number;		iuser.tile = tile->tile_number;
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, &iuser, NULL);		ImBuf *ibuf = BKE_image_acquire_ibuf(ima, &iuser, NULL);

if (ibuf) {		if (ibuf) {
const bool store_premultiplied = ibuf->rect_float ? (ima->alpha_mode != IMA_ALPHA_STRAIGHT) :		const bool store_premultiplied = BKE_image_has_gpu_texture_premultiplied_alpha(ima, ibuf);
(ima->alpha_mode == IMA_ALPHA_PREMUL);
IMB_update_gpu_texture_sub(tex,		IMB_update_gpu_texture_sub(tex,
ibuf,		ibuf,
UNPACK2(tileoffset),		UNPACK2(tileoffset),
tilelayer,		tilelayer,
UNPACK2(tilesize),		UNPACK2(tilesize),
use_high_bitdepth,		use_high_bitdepth,
store_premultiplied);		store_premultiplied);
}		}
▲ Show 20 Lines • Show All 114 Lines • ▼ Show 20 Lines	static GPUTexture image_get_gpu_texture(Image ima,
if (textarget == TEXTARGET_2D_ARRAY) {		if (textarget == TEXTARGET_2D_ARRAY) {
*tex = gpu_texture_create_tile_array(ima, ibuf_intern);		*tex = gpu_texture_create_tile_array(ima, ibuf_intern);
}		}
else if (textarget == TEXTARGET_TILE_MAPPING) {		else if (textarget == TEXTARGET_TILE_MAPPING) {
*tex = gpu_texture_create_tile_mapping(ima, iuser ? iuser->multiview_eye : 0);		*tex = gpu_texture_create_tile_mapping(ima, iuser ? iuser->multiview_eye : 0);
}		}
else {		else {
const bool use_high_bitdepth = (ima->flag & IMA_HIGH_BITDEPTH);		const bool use_high_bitdepth = (ima->flag & IMA_HIGH_BITDEPTH);
const bool store_premultiplied = ibuf_intern->rect_float ?		const bool store_premultiplied = BKE_image_has_gpu_texture_premultiplied_alpha(ima,
(ima ? (ima->alpha_mode != IMA_ALPHA_STRAIGHT) : false) :		ibuf_intern);
(ima ? (ima->alpha_mode == IMA_ALPHA_PREMUL) : true);

*tex = IMB_create_gpu_texture(		*tex = IMB_create_gpu_texture(
ima->id.name + 2, ibuf_intern, use_high_bitdepth, store_premultiplied);		ima->id.name + 2, ibuf_intern, use_high_bitdepth, store_premultiplied);

GPU_texture_wrap_mode(*tex, true, false);		GPU_texture_wrap_mode(*tex, true, false);

if (GPU_mipmap_enabled()) {		if (GPU_mipmap_enabled()) {
GPU_texture_generate_mipmap(*tex);		GPU_texture_generate_mipmap(*tex);
▲ Show 20 Lines • Show All 293 Lines • ▼ Show 20 Lines	static void gpu_texture_update_from_ibuf(
}		}

/* Get texture data pointers. */		/* Get texture data pointers. */
float *rect_float = ibuf->rect_float;		float *rect_float = ibuf->rect_float;
uchar rect = (uchar )ibuf->rect;		uchar rect = (uchar )ibuf->rect;
int tex_stride = ibuf->x;		int tex_stride = ibuf->x;
int tex_offset = ibuf->channels * (y * ibuf->x + x);		int tex_offset = ibuf->channels * (y * ibuf->x + x);

		const bool store_premultiplied = BKE_image_has_gpu_texture_premultiplied_alpha(ima, ibuf);
if (rect_float == NULL) {		if (rect_float == NULL) {
/* Byte pixels. */		/* Byte pixels. */
if (!IMB_colormanagement_space_is_data(ibuf->rect_colorspace)) {		if (!IMB_colormanagement_space_is_data(ibuf->rect_colorspace)) {
const bool compress_as_srgb = !IMB_colormanagement_space_is_scene_linear(		const bool compress_as_srgb = !IMB_colormanagement_space_is_scene_linear(
ibuf->rect_colorspace);		ibuf->rect_colorspace);

rect = (uchar )MEM_mallocN(sizeof(uchar[4]) w * h, __func__);		rect = (uchar )MEM_mallocN(sizeof(uchar[4]) w * h, __func__);
if (rect == NULL) {		if (rect == NULL) {
return;		return;
}		}

tex_stride = w;		tex_stride = w;
tex_offset = 0;		tex_offset = 0;

/* Convert to scene linear with sRGB compression, and premultiplied for		/* Convert to scene linear with sRGB compression, and premultiplied for
* correct texture interpolation. */		* correct texture interpolation. */
const bool store_premultiplied = (ima->alpha_mode == IMA_ALPHA_PREMUL);
IMB_colormanagement_imbuf_to_byte_texture(		IMB_colormanagement_imbuf_to_byte_texture(
rect, x, y, w, h, ibuf, compress_as_srgb, store_premultiplied);		rect, x, y, w, h, ibuf, compress_as_srgb, store_premultiplied);
}		}
}		}
else {		else {
/* Float pixels. */		/* Float pixels. */
const bool store_premultiplied = (ima->alpha_mode != IMA_ALPHA_STRAIGHT);

if (ibuf->channels != 4 \|\| scaled \|\| !store_premultiplied) {		if (ibuf->channels != 4 \|\| scaled \|\| !store_premultiplied) {
rect_float = (float )MEM_mallocN(sizeof(float[4]) w * h, __func__);		rect_float = (float )MEM_mallocN(sizeof(float[4]) w * h, __func__);
if (rect_float == NULL) {		if (rect_float == NULL) {
return;		return;
}		}

tex_stride = w;		tex_stride = w;
tex_offset = 0;		tex_offset = 0;
▲ Show 20 Lines • Show All 110 Lines • Show Last 20 Lines