static int node_shader_gpu_tex_environment(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
{
Image *ima= (Image*)node->id;
ImageUser *iuser= NULL;
NodeTexImage *tex = node->storage;
int isdata = tex->color_space == SHD_COLORSPACE_NONE;
int ret;
if (!ima)
return GPU_stack_link(mat, "node_tex_environment_empty", in, out);
if (!in[0].link)
in[0].link = GPU_builtin(GPU_VIEW_POSITION);
node_shader_gpu_tex_mapping(mat, node, in, out);
ret = GPU_stack_link(mat, "node_tex_environment", in, out, GPU_image(ima, iuser, isdata));
if (ret) {
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL);
if (ibuf && (ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA) == 0 &&
GPU_material_do_color_management(mat))
{
GPU_link(mat, "srgb_to_linearrgb", out[0].link, &out[0].link);
}
BKE_image_release_ibuf(ima, ibuf, NULL);
}
return ret;
}
static int node_shader_gpu_oct_tex_float_image(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out) {
int ret;
float rgb[4];
int isdata;
Image *ima = (Image*)node->id;
ImageUser *iuser = NULL;
NodeTexImage *tex = node->storage;
if(!tex) {
node_oct_float_image_tex_init(0, node);
tex = node->storage;
}
isdata = tex->color_space == SHD_COLORSPACE_NONE;
in[0].type = GPU_VEC3;
in[0].link = GPU_attribute(CD_MTFACE, "");
in[1].type = GPU_NONE;
if(!ima) return GPU_stack_link(mat, "node_tex_image_empty", in, out, GPU_uniform(rgb));
node_shader_gpu_tex_mapping(mat, node, in, out);
ret = GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser, isdata), GPU_uniform(rgb));
if(ret) {
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL);
if (ibuf && (ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA) == 0 && GPU_material_do_color_management(mat)) {
GPU_link(mat, "srgb_to_linearrgb", out[0].link, &out[0].link);
}
BKE_image_release_ibuf(ima, ibuf, NULL);
}
return ret;
}
static int node_shader_gpu_tex_image(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
Image *ima = (Image *)node->id;
ImageUser *iuser = NULL;
NodeTexImage *tex = node->storage;
GPUNodeLink *norm;
int isdata = tex->color_space == SHD_COLORSPACE_NONE;
float blend = tex->projection_blend;
if (!ima)
return GPU_stack_link(mat, "node_tex_image_empty", in, out);
if (!in[0].link)
in[0].link = GPU_attribute(CD_MTFACE, "");
node_shader_gpu_tex_mapping(mat, node, in, out);
switch (tex->projection) {
case SHD_PROJ_FLAT:
GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
case SHD_PROJ_BOX:
GPU_link(mat, "direction_transform_m4v3", GPU_builtin(GPU_VIEW_NORMAL),
GPU_builtin(GPU_INVERSE_VIEW_MATRIX),
&norm);
GPU_link(mat, "direction_transform_m4v3", norm,
GPU_builtin(GPU_INVERSE_OBJECT_MATRIX),
&norm);
GPU_link(mat, "node_tex_image_box", in[0].link,
norm,
GPU_image(ima, iuser, isdata),
GPU_uniform(&blend),
&out[0].link,
&out[1].link);
break;
case SHD_PROJ_SPHERE:
GPU_link(mat, "point_texco_remap_square", in[0].link, &in[0].link);
GPU_link(mat, "point_map_to_sphere", in[0].link, &in[0].link);
GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
case SHD_PROJ_TUBE:
GPU_link(mat, "point_texco_remap_square", in[0].link, &in[0].link);
GPU_link(mat, "point_map_to_tube", in[0].link, &in[0].link);
GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
}
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL);
if ((tex->color_space == SHD_COLORSPACE_COLOR) &&
ibuf && (ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA) == 0 &&
GPU_material_do_color_management(mat))
{
GPU_link(mat, "srgb_to_linearrgb", out[0].link, &out[0].link);
}
BKE_image_release_ibuf(ima, ibuf, NULL);
return true;
}
static int gpu_shader_texture(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
Tex *tex = (Tex *)node->id;
if (tex && tex->type == TEX_IMAGE && tex->ima) {
GPUNodeLink *texlink = GPU_image(tex->ima, &tex->iuser, false);
int ret = GPU_stack_link(mat, "texture_image", in, out, texlink);
if (ret) {
ImBuf *ibuf = BKE_image_acquire_ibuf(tex->ima, &tex->iuser, NULL);
if (ibuf && (ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA) == 0 &&
GPU_material_do_color_management(mat))
{
GPU_link(mat, "srgb_to_linearrgb", out[1].link, &out[1].link);
}
BKE_image_release_ibuf(tex->ima, ibuf, NULL);
}
return ret;
}
else
return 0;
}
static int node_shader_gpu_tex_environment(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
Image *ima = (Image *)node->id;
ImageUser *iuser = NULL;
NodeTexImage *tex = node->storage;
int isdata = tex->color_space == SHD_COLORSPACE_NONE;
if (!ima)
return GPU_stack_link(mat, "node_tex_environment_empty", in, out);
if (!in[0].link) {
GPUMatType type = GPU_Material_get_type(mat);
if (type == GPU_MATERIAL_TYPE_MESH)
in[0].link = GPU_builtin(GPU_VIEW_POSITION);
else
GPU_link(mat, "background_transform_to_world", GPU_builtin(GPU_VIEW_POSITION), &in[0].link);
}
node_shader_gpu_tex_mapping(mat, node, in, out);
if (tex->projection == SHD_PROJ_EQUIRECTANGULAR)
GPU_stack_link(mat, "node_tex_environment_equirectangular", in, out, GPU_image(ima, iuser, isdata));
else
GPU_stack_link(mat, "node_tex_environment_mirror_ball", in, out, GPU_image(ima, iuser, isdata));
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL);
if (ibuf && (ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA) == 0 &&
GPU_material_do_color_management(mat))
{
GPU_link(mat, "srgb_to_linearrgb", out[0].link, &out[0].link);
}
BKE_image_release_ibuf(ima, ibuf, NULL);
return true;
}
