Differential D12367 Diff 41308 intern/cycles/kernel/svm/svm_image.h

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intern/cycles/kernel/svm/svm_image.h

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* distributed under the License is distributed on an "AS IS" BASIS,		* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and		* See the License for the specific language governing permissions and
* limitations under the License.		* limitations under the License.
*/		*/

CCL_NAMESPACE_BEGIN		CCL_NAMESPACE_BEGIN

ccl_device float4 svm_image_texture(KernelGlobals *kg, int id, float x, float y, uint flags)		ccl_device float4 svm_image_texture(const KernelGlobals *kg, int id, float x, float y, uint flags)
{		{
if (id == -1) {		if (id == -1) {
return make_float4(		return make_float4(
TEX_IMAGE_MISSING_R, TEX_IMAGE_MISSING_G, TEX_IMAGE_MISSING_B, TEX_IMAGE_MISSING_A);		TEX_IMAGE_MISSING_R, TEX_IMAGE_MISSING_G, TEX_IMAGE_MISSING_B, TEX_IMAGE_MISSING_A);
}		}

float4 r = kernel_tex_image_interp(kg, id, x, y);		float4 r = kernel_tex_image_interp(kg, id, x, y);
const float alpha = r.w;		const float alpha = r.w;
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}		}

/* Remap coordinate from 0..1 box to -1..-1 */		/* Remap coordinate from 0..1 box to -1..-1 */
ccl_device_inline float3 texco_remap_square(float3 co)		ccl_device_inline float3 texco_remap_square(float3 co)
{		{
return (co - make_float3(0.5f, 0.5f, 0.5f)) * 2.0f;		return (co - make_float3(0.5f, 0.5f, 0.5f)) * 2.0f;
}		}

ccl_device void svm_node_tex_image(		ccl_device_noinline int svm_node_tex_image(
KernelGlobals kg, ShaderData sd, float stack, uint4 node, int offset)		const KernelGlobals kg, ShaderData sd, float *stack, uint4 node, int offset)
{		{
uint co_offset, out_offset, alpha_offset, flags;		uint co_offset, out_offset, alpha_offset, flags;

svm_unpack_node_uchar4(node.z, &co_offset, &out_offset, &alpha_offset, &flags);		svm_unpack_node_uchar4(node.z, &co_offset, &out_offset, &alpha_offset, &flags);

float3 co = stack_load_float3(stack, co_offset);		float3 co = stack_load_float3(stack, co_offset);
float2 tex_co;		float2 tex_co;
if (node.w == NODE_IMAGE_PROJ_SPHERE) {		if (node.w == NODE_IMAGE_PROJ_SPHERE) {
Show All 9 Lines	ccl_device_noinline int svm_node_tex_image(
}		}

/* TODO(lukas): Consider moving tile information out of the SVM node.		/* TODO(lukas): Consider moving tile information out of the SVM node.
* TextureInfo seems a reasonable candidate. */		* TextureInfo seems a reasonable candidate. */
int id = -1;		int id = -1;
int num_nodes = (int)node.y;		int num_nodes = (int)node.y;
if (num_nodes > 0) {		if (num_nodes > 0) {
/* Remember the offset of the node following the tile nodes. */		/* Remember the offset of the node following the tile nodes. */
int next_offset = (*offset) + num_nodes;		int next_offset = offset + num_nodes;

/* Find the tile that the UV lies in. */		/* Find the tile that the UV lies in. */
int tx = (int)tex_co.x;		int tx = (int)tex_co.x;
int ty = (int)tex_co.y;		int ty = (int)tex_co.y;

/* Check that we're within a legitimate tile. */		/* Check that we're within a legitimate tile. */
if (tx >= 0 && ty >= 0 && tx < 10) {		if (tx >= 0 && ty >= 0 && tx < 10) {
int tile = 1001 + 10 * ty + tx;		int tile = 1001 + 10 * ty + tx;

/* Find the index of the tile. */		/* Find the index of the tile. */
for (int i = 0; i < num_nodes; i++) {		for (int i = 0; i < num_nodes; i++) {
uint4 tile_node = read_node(kg, offset);		uint4 tile_node = read_node(kg, &offset);
if (tile_node.x == tile) {		if (tile_node.x == tile) {
id = tile_node.y;		id = tile_node.y;
break;		break;
}		}
if (tile_node.z == tile) {		if (tile_node.z == tile) {
id = tile_node.w;		id = tile_node.w;
break;		break;
}		}
}		}

/* If we found the tile, offset the UVs to be relative to it. */		/* If we found the tile, offset the UVs to be relative to it. */
if (id != -1) {		if (id != -1) {
tex_co.x -= tx;		tex_co.x -= tx;
tex_co.y -= ty;		tex_co.y -= ty;
}		}
}		}

/* Skip over the remaining nodes. */		/* Skip over the remaining nodes. */
*offset = next_offset;		offset = next_offset;
}		}
else {		else {
id = -num_nodes;		id = -num_nodes;
}		}

float4 f = svm_image_texture(kg, id, tex_co.x, tex_co.y, flags);		float4 f = svm_image_texture(kg, id, tex_co.x, tex_co.y, flags);

if (stack_valid(out_offset))		if (stack_valid(out_offset))
stack_store_float3(stack, out_offset, make_float3(f.x, f.y, f.z));		stack_store_float3(stack, out_offset, make_float3(f.x, f.y, f.z));
if (stack_valid(alpha_offset))		if (stack_valid(alpha_offset))
stack_store_float(stack, alpha_offset, f.w);		stack_store_float(stack, alpha_offset, f.w);
		return offset;
}		}

ccl_device void svm_node_tex_image_box(KernelGlobals kg, ShaderData sd, float *stack, uint4 node)		ccl_device_noinline void svm_node_tex_image_box(const KernelGlobals *kg,
		ShaderData *sd,
		float *stack,
		uint4 node)
{		{
/* get object space normal */		/* get object space normal */
float3 N = sd->N;		float3 N = sd->N;

N = sd->N;		N = sd->N;
object_inverse_normal_transform(kg, sd, &N);		object_inverse_normal_transform(kg, sd, &N);

/* project from direction vector to barycentric coordinates in triangles */		/* project from direction vector to barycentric coordinates in triangles */
▲ Show 20 Lines • Show All 82 Lines • ▼ Show 20 Lines	ccl_device_noinline void svm_node_tex_image_box(const KernelGlobals *kg,
}		}

if (stack_valid(out_offset))		if (stack_valid(out_offset))
stack_store_float3(stack, out_offset, make_float3(f.x, f.y, f.z));		stack_store_float3(stack, out_offset, make_float3(f.x, f.y, f.z));
if (stack_valid(alpha_offset))		if (stack_valid(alpha_offset))
stack_store_float(stack, alpha_offset, f.w);		stack_store_float(stack, alpha_offset, f.w);
}		}

ccl_device void svm_node_tex_environment(KernelGlobals *kg,		ccl_device_noinline void svm_node_tex_environment(const KernelGlobals *kg,
ShaderData *sd,		ShaderData *sd,
float *stack,		float *stack,
uint4 node)		uint4 node)
{		{
uint id = node.y;		uint id = node.y;
uint co_offset, out_offset, alpha_offset, flags;		uint co_offset, out_offset, alpha_offset, flags;
uint projection = node.w;		uint projection = node.w;

svm_unpack_node_uchar4(node.z, &co_offset, &out_offset, &alpha_offset, &flags);		svm_unpack_node_uchar4(node.z, &co_offset, &out_offset, &alpha_offset, &flags);

float3 co = stack_load_float3(stack, co_offset);		float3 co = stack_load_float3(stack, co_offset);
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