Differential D6952 Diff 22143 source/blender/nodes/shader/nodes/node_shader_volume_principled.c

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source/blender/nodes/shader/nodes/node_shader_volume_principled.c

Show First 20 Lines • Show All 48 Lines • ▼ Show 20 Lines	if (STREQ(sock->name, "Density Attribute")) {
strcpy(((bNodeSocketValueString *)sock->default_value)->value, "density");		strcpy(((bNodeSocketValueString *)sock->default_value)->value, "density");
}		}
else if (STREQ(sock->name, "Temperature Attribute")) {		else if (STREQ(sock->name, "Temperature Attribute")) {
strcpy(((bNodeSocketValueString *)sock->default_value)->value, "temperature");		strcpy(((bNodeSocketValueString *)sock->default_value)->value, "temperature");
}		}
}		}
}		}

static void node_shader_gpu_volume_attribute(GPUMaterial *mat,
const char *name,
GPUNodeLink **outcol,
GPUNodeLink **outvec,
GPUNodeLink **outf)
{
if (strcmp(name, "density") == 0) {
GPU_link(mat,
"node_attribute_volume_density",
GPU_builtin(GPU_VOLUME_DENSITY),
outcol,
outvec,
outf);
}
else if (strcmp(name, "color") == 0) {
GPU_link(
mat, "node_attribute_volume_color", GPU_builtin(GPU_VOLUME_COLOR), outcol, outvec, outf);
}
else if (strcmp(name, "flame") == 0) {
GPU_link(
mat, "node_attribute_volume_flame", GPU_builtin(GPU_VOLUME_FLAME), outcol, outvec, outf);
}
else if (strcmp(name, "temperature") == 0) {
GPU_link(mat,
"node_attribute_volume_temperature",
GPU_builtin(GPU_VOLUME_FLAME),
GPU_builtin(GPU_VOLUME_TEMPERATURE),
outcol,
outvec,
outf);
}
else {
outcol = outvec = *outf = NULL;
}
}

static int node_shader_gpu_volume_principled(GPUMaterial *mat,		static int node_shader_gpu_volume_principled(GPUMaterial *mat,
bNode *node,		bNode *node,
bNodeExecData *UNUSED(execdata),		bNodeExecData *UNUSED(execdata),
GPUNodeStack *in,		GPUNodeStack *in,
GPUNodeStack *out)		GPUNodeStack *out)
{		{
/* Test if blackbody intensity is enabled. */		/* Test if blackbody intensity is enabled. */
bool use_blackbody = (in[8].link \|\| in[8].vec[0] != 0.0f);		bool use_blackbody = (in[8].link \|\| in[8].vec[0] != 0.0f);

/* Get volume attributes. */		/* Get volume attributes. */
GPUNodeLink density = NULL, color = NULL, *temperature = NULL;		GPUNodeLink density = NULL, color = NULL, *temperature = NULL;

for (bNodeSocket *sock = node->inputs.first; sock; sock = sock->next) {		for (bNodeSocket *sock = node->inputs.first; sock; sock = sock->next) {
if (sock->typeinfo->type != SOCK_STRING) {		if (sock->typeinfo->type != SOCK_STRING) {
continue;		continue;
}		}

bNodeSocketValueString *value = sock->default_value;		bNodeSocketValueString *value = sock->default_value;
GPUNodeLink outcol, outvec, *outf;		const char *attribute_name = value->value;
		if (attribute_name[0] == '\0') {
		continue;
		}

if (STREQ(sock->name, "Density Attribute")) {		if (STREQ(sock->name, "Density Attribute")) {
node_shader_gpu_volume_attribute(mat, value->value, &outcol, &outvec, &density);		density = GPU_volume_grid(mat, attribute_name);
}		}
else if (STREQ(sock->name, "Color Attribute")) {		else if (STREQ(sock->name, "Color Attribute")) {
node_shader_gpu_volume_attribute(mat, value->value, &color, &outvec, &outf);		color = GPU_volume_grid(mat, attribute_name);
}		}
else if (use_blackbody && STREQ(sock->name, "Temperature Attribute")) {		else if (use_blackbody && STREQ(sock->name, "Temperature Attribute")) {
node_shader_gpu_volume_attribute(mat, value->value, &outcol, &outvec, &temperature);		temperature = GPU_volume_grid(mat, attribute_name);
}		}
}		}

/* Default values if attributes not found. */		/* Default values if attributes not found. */
if (!density) {		if (!density) {
static float one = 1.0f;		static float one = 1.0f;
density = GPU_constant(&one);		density = GPU_constant(&one);
}		}
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