GPUMaterial: Add support for different sampler state per image sampler

This bridge between the new sampler state support from GPUTexture and
draw material handling.

The Sampler State is just the one from the texture for now. No change in
logic.

1 files changed, 22 insertions, 8 deletions

diff --git a/source/blender/gpu/intern/gpu_node_graph.c b/source/blender/gpu/intern/gpu_node_graph.c
index 876a6bef670..17d97dc05e2 100644
--- a/source/blender/gpu/intern/gpu_node_graph.c
+++ b/source/blender/gpu/intern/gpu_node_graph.c
@@ -34,6 +34,8 @@
 #include "BLI_string.h"
 #include "BLI_utildefines.h"
 
+#include "GPU_texture.h"
+
 #include "gpu_material_library.h"
 #include "gpu_node_graph.h"
 
@@ -298,13 +300,14 @@ static GPUMaterialTexture *gpu_node_graph_add_texture(GPUNodeGraph *graph,
                                                       Image *ima,
                                                       ImageUser *iuser,
                                                       struct GPUTexture **colorband,
-                                                      GPUNodeLinkType link_type)
+                                                      GPUNodeLinkType link_type,
+                                                      eGPUSamplerState sampler_state)
 {
   /* Find existing texture. */
   int num_textures = 0;
   GPUMaterialTexture *tex = graph->textures.first;
   for (; tex; tex = tex->next) {
-    if (tex->ima == ima && tex->colorband == colorband) {
+    if (tex->ima == ima && tex->colorband == colorband && tex->sampler_state == sampler_state) {
       break;
     }
     num_textures++;
@@ -316,6 +319,7 @@ static GPUMaterialTexture *gpu_node_graph_add_texture(GPUNodeGraph *graph,
     tex->ima = ima;
     tex->iuser = iuser;
     tex->colorband = colorband;
+    tex->sampler_state = sampler_state;
     BLI_snprintf(tex->sampler_name, sizeof(tex->sampler_name), "samp%d", num_textures);
     if (ELEM(link_type, GPU_NODE_LINK_IMAGE_TILED, GPU_NODE_LINK_IMAGE_TILED_MAPPING)) {
       BLI_snprintf(
@@ -389,21 +393,29 @@ GPUNodeLink *GPU_uniform(const float *num)
   return link;
 }
 
-GPUNodeLink *GPU_image(GPUMaterial *mat, Image *ima, ImageUser *iuser)
+GPUNodeLink *GPU_image(GPUMaterial *mat,
+                       Image *ima,
+                       ImageUser *iuser,
+                       eGPUSamplerState sampler_state)
 {
   GPUNodeGraph *graph = gpu_material_node_graph(mat);
   GPUNodeLink *link = gpu_node_link_create();
   link->link_type = GPU_NODE_LINK_IMAGE;
-  link->texture = gpu_node_graph_add_texture(graph, ima, iuser, NULL, link->link_type);
+  link->texture = gpu_node_graph_add_texture(
+      graph, ima, iuser, NULL, link->link_type, sampler_state);
   return link;
 }
 
-GPUNodeLink *GPU_image_tiled(GPUMaterial *mat, Image *ima, ImageUser *iuser)
+GPUNodeLink *GPU_image_tiled(GPUMaterial *mat,
+                             Image *ima,
+                             ImageUser *iuser,
+                             eGPUSamplerState sampler_state)
 {
   GPUNodeGraph *graph = gpu_material_node_graph(mat);
   GPUNodeLink *link = gpu_node_link_create();
   link->link_type = GPU_NODE_LINK_IMAGE_TILED;
-  link->texture = gpu_node_graph_add_texture(graph, ima, iuser, NULL, link->link_type);
+  link->texture = gpu_node_graph_add_texture(
+      graph, ima, iuser, NULL, link->link_type, sampler_state);
   return link;
 }
 
@@ -412,7 +424,8 @@ GPUNodeLink *GPU_image_tiled_mapping(GPUMaterial *mat, Image *ima, ImageUser *iu
   GPUNodeGraph *graph = gpu_material_node_graph(mat);
   GPUNodeLink *link = gpu_node_link_create();
   link->link_type = GPU_NODE_LINK_IMAGE_TILED_MAPPING;
-  link->texture = gpu_node_graph_add_texture(graph, ima, iuser, NULL, link->link_type);
+  link->texture = gpu_node_graph_add_texture(
+      graph, ima, iuser, NULL, link->link_type, GPU_SAMPLER_MAX);
   return link;
 }
 
@@ -424,7 +437,8 @@ GPUNodeLink *GPU_color_band(GPUMaterial *mat, int size, float *pixels, float *ro
   GPUNodeGraph *graph = gpu_material_node_graph(mat);
   GPUNodeLink *link = gpu_node_link_create();
   link->link_type = GPU_NODE_LINK_COLORBAND;
-  link->texture = gpu_node_graph_add_texture(graph, NULL, NULL, colorband, link->link_type);
+  link->texture = gpu_node_graph_add_texture(
+      graph, NULL, NULL, colorband, link->link_type, GPU_SAMPLER_MAX);
   return link;
 }