Cleanup: split off code from gpu_codegen.c into smaller files

1 files changed, 11 insertions, 152 deletions

diff --git a/source/blender/gpu/intern/gpu_codegen.h b/source/blender/gpu/intern/gpu_codegen.h
index baa4debf862..ce20f495ba3 100644
--- a/source/blender/gpu/intern/gpu_codegen.h
+++ b/source/blender/gpu/intern/gpu_codegen.h
@@ -19,143 +19,21 @@
 
 /** \file
  * \ingroup gpu
+ *
+ * Generate shader code from the intermediate node graph.
  */
 
 #ifndef __GPU_CODEGEN_H__
 #define __GPU_CODEGEN_H__
 
-#include "DNA_customdata_types.h"
-#include "DNA_listBase.h"
-#include "GPU_material.h"
-#include "GPU_glew.h"
-
-struct GPUNode;
+struct GPUMaterial;
+struct GPUNodeGraph;
 struct GPUOutput;
 struct GPUShader;
-struct GPUVertAttrLayers;
 struct GSet;
 struct ListBase;
 
-/* Pass Generation
- * - Takes a list of nodes and a desired output, and makes a pass. This
- *   will take ownership of the nodes and free them early if unused or
- *   at the end if used.
- */
-
-typedef enum eGPUDataSource {
-  GPU_SOURCE_OUTPUT,
-  GPU_SOURCE_CONSTANT,
-  GPU_SOURCE_UNIFORM,
-  GPU_SOURCE_ATTR,
-  GPU_SOURCE_BUILTIN,
-  GPU_SOURCE_STRUCT,
-  GPU_SOURCE_TEX,
-} eGPUDataSource;
-
-typedef enum {
-  GPU_NODE_LINK_NONE = 0,
-  GPU_NODE_LINK_ATTR,
-  GPU_NODE_LINK_BUILTIN,
-  GPU_NODE_LINK_COLORBAND,
-  GPU_NODE_LINK_CONSTANT,
-  GPU_NODE_LINK_IMAGE_BLENDER,
-  GPU_NODE_LINK_IMAGE_TILEMAP,
-  GPU_NODE_LINK_OUTPUT,
-  GPU_NODE_LINK_UNIFORM,
-} GPUNodeLinkType;
-
-struct GPUNode {
-  struct GPUNode *next, *prev;
-
-  const char *name;
-
-  /* Internal flag to mark nodes during pruning */
-  bool tag;
-
-  ListBase inputs;
-  ListBase outputs;
-};
-
-struct GPUNodeLink {
-  GPUNodeStack *socket;
-
-  GPUNodeLinkType link_type;
-  int users; /* Refcount */
-
-  union {
-    /* GPU_NODE_LINK_CONSTANT | GPU_NODE_LINK_UNIFORM */
-    float *data;
-    /* GPU_NODE_LINK_BUILTIN */
-    eGPUBuiltin builtin;
-    /* GPU_NODE_LINK_COLORBAND */
-    struct GPUTexture **coba;
-    /* GPU_NODE_LINK_OUTPUT */
-    struct GPUOutput *output;
-    /* GPU_NODE_LINK_ATTR */
-    struct {
-      const char *attr_name;
-      CustomDataType attr_type;
-    };
-    /* GPU_NODE_LINK_IMAGE_BLENDER | GPU_NODE_LINK_IMAGE_TILEMAP */
-    struct {
-      struct Image *ima;
-      struct ImageUser *iuser;
-    };
-  };
-};
-
-typedef struct GPUOutput {
-  struct GPUOutput *next, *prev;
-
-  GPUNode *node;
-  eGPUType type;     /* data type = length of vector/matrix */
-  GPUNodeLink *link; /* output link */
-  int id;            /* unique id as created by code generator */
-} GPUOutput;
-
-typedef struct GPUInput {
-  struct GPUInput *next, *prev;
-
-  GPUNode *node;
-  eGPUType type; /* datatype */
-  GPUNodeLink *link;
-  int id; /* unique id as created by code generator */
-
-  eGPUDataSource source; /* data source */
-
-  int shaderloc;       /* id from opengl */
-  char shadername[32]; /* name in shader */
-
-  /* Content based on eGPUDataSource */
-  union {
-    /* GPU_SOURCE_CONSTANT | GPU_SOURCE_UNIFORM */
-    float vec[16]; /* vector data */
-    /* GPU_SOURCE_BUILTIN */
-    eGPUBuiltin builtin; /* builtin uniform */
-    /* GPU_SOURCE_TEX */
-    struct {
-      struct GPUTexture **coba; /* input texture, only set at runtime */
-      struct Image *ima;        /* image */
-      struct ImageUser *iuser;  /* image user */
-      bool bindtex;             /* input is responsible for binding the texture? */
-      int texid;                /* number for multitexture, starting from zero */
-      eGPUType textype;         /* texture type (2D, 1D Array ...) */
-    };
-    /* GPU_SOURCE_ATTR */
-    struct {
-      /** Attribute name. */
-      char attr_name[MAX_CUSTOMDATA_LAYER_NAME];
-      /** ID for vertex attributes. */
-      int attr_id;
-      /** This is the first one that is bound. */
-      bool attr_first;
-      /** Attribute type. */
-      CustomDataType attr_type;
-    };
-  };
-} GPUInput;
-
-struct GPUPass {
+typedef struct GPUPass {
   struct GPUPass *next;
 
   struct GPUShader *shader;
@@ -171,42 +49,23 @@ struct GPUPass {
     int len;
   } binary;
   bool compiled; /* Did we already tried to compile the attached GPUShader. */
-};
+} GPUPass;
 
-typedef struct GPUPass GPUPass;
+/* Pass */
 
-GPUPass *GPU_generate_pass(GPUMaterial *material,
-                           GPUNodeLink *frag_outlink,
-                           struct GPUVertAttrLayers *attrs,
-                           ListBase *nodes,
-                           int *builtins,
+GPUPass *GPU_generate_pass(struct GPUMaterial *material,
+                           struct GPUNodeGraph *graph,
                            const char *vert_code,
                            const char *geom_code,
                            const char *frag_lib,
                            const char *defines);
-
 struct GPUShader *GPU_pass_shader_get(GPUPass *pass);
-
-void GPU_nodes_extract_dynamic_inputs(struct GPUShader *shader, ListBase *inputs, ListBase *nodes);
-
 bool GPU_pass_compile(GPUPass *pass, const char *shname);
 void GPU_pass_release(GPUPass *pass);
-void GPU_pass_free_nodes(ListBase *nodes);
 
-void GPU_inputs_free(ListBase *inputs);
+/* Module */
 
 void gpu_codegen_init(void);
 void gpu_codegen_exit(void);
 
-/* Material calls */
-
-const char *GPU_builtin_name(eGPUBuiltin builtin);
-void gpu_material_add_node(struct GPUMaterial *material, struct GPUNode *node);
-struct GPUTexture **gpu_material_ramp_texture_row_set(GPUMaterial *mat,
-                                                      int size,
-                                                      float *pixels,
-                                                      float *row);
-
-struct GSet *gpu_material_used_libraries(struct GPUMaterial *material);
-
-#endif
+#endif /* __GPU_CODEGEN_H__ */