Remove Blender Internal and legacy viewport from Blender 2.8.

Brecht authored this commit, but he gave me the honours to actually
do it. Here it goes; Blender Internal. Bye bye, you did great!

* Point density, voxel data, ocean, environment map textures were removed,
  as these only worked within BI rendering. Note that the ocean modifier
  and the Cycles point density shader node continue to work.
* Dynamic paint using material shading was removed, as this only worked
  with BI. If we ever wanted to support this again probably it should go
  through the baking API.
* GPU shader export through the Python API was removed. This only worked
  for the old BI GLSL shaders, which no longer exists. Doing something
  similar for Eevee would be significantly more complicated because it
  uses a lot of multiplass rendering and logic outside the shader, it's
  probably impractical.
* Collada material import / export code is mostly gone, as it only worked
  for BI materials. We need to add Cycles / Eevee material support at some
  point.
* The mesh noise operator was removed since it only worked with BI
  material texture slots. A displacement modifier can be used instead.
* The delete texture paint slot operator was removed since it only worked
  for BI material texture slots. Could be added back with node support.

* Not all legacy viewport features are supported in the new viewport, but
  their code was removed. If we need to bring anything back we can look at
  older git revisions.
* There is some legacy viewport code that I could not remove yet, and some
  that I probably missed.
* Shader node execution code was left mostly intact, even though it is not
  used anywhere now. We may eventually use this to replace the texture
  nodes with Cycles / Eevee shader nodes.

* The Cycles Bake panel now includes settings for baking multires normal
  and displacement maps. The underlying code needs to be merged properly,
  and we plan to add back support for multires AO baking and add support
  to Cycles baking for features like vertex color, displacement, and other
  missing baking features.

* This commit removes DNA and the Python API for BI material, lamp, world
  and scene settings. This breaks a lot of addons.
* There is more DNA that can be removed or renamed, where Cycles or Eevee
  are reusing some old BI properties but the names are not really correct
  anymore.
* Texture slots for materials, lamps and world were removed. They remain
  for brushes, particles and freestyle linestyles.
* 'BLENDER_RENDER' remains in the COMPAT_ENGINES of UI panels. Cycles and
  other renderers use this to find all panels to show, minus a few panels
  that they have their own replacement for.

1 files changed, 1 insertions, 109 deletions

diff --git a/source/blender/gpu/GPU_material.h b/source/blender/gpu/GPU_material.h
index 1d2b234e7f3..c9ef5ca3ae6 100644
--- a/source/blender/gpu/GPU_material.h
+++ b/source/blender/gpu/GPU_material.h
@@ -236,37 +236,23 @@ GPUNodeLink *GPU_uniformbuffer_link_out(
         struct GPUNodeStack *stack, const int index);
 
 void GPU_material_output_link(GPUMaterial *material, GPUNodeLink *link);
-void GPU_material_enable_alpha(GPUMaterial *material);
 GPUBuiltin GPU_get_material_builtins(GPUMaterial *material);
-GPUBlendMode GPU_material_alpha_blend(GPUMaterial *material, float obcol[4]);
 
 void GPU_material_sss_profile_create(GPUMaterial *material, float *radii, short *falloff_type, float *sharpness);
 struct GPUUniformBuffer *GPU_material_sss_profile_get(
         GPUMaterial *material, int sample_ct, struct GPUTexture **tex_profile);
 
 /* High level functions to create and use GPU materials */
-GPUMaterial *GPU_material_world(struct Scene *scene, struct World *wo);
 GPUMaterial *GPU_material_from_nodetree_find(
         struct ListBase *gpumaterials, const void *engine_type, int options);
 GPUMaterial *GPU_material_from_nodetree(
-        struct Scene *scene, struct bNodeTree *ntree, struct ListBase *gpumaterials, const void *engine_type, int options,
-        const char *vert_code, const char *geom_code, const char *frag_lib, const char *defines, bool deferred);
-GPUMaterial *GPU_material_from_blender(struct Scene *scene, struct Material *ma, bool use_opensubdiv);
-GPUMaterial *GPU_material_matcap(struct Scene *scene, struct Material *ma, bool use_opensubdiv);
+        struct Scene *scene, struct bNodeTree *ntree, struct ListBase *gpumaterials, const void *engine_type, int options);
 void GPU_material_generate_pass(
 		GPUMaterial *mat, const char *vert_code, const char *geom_code, const char *frag_lib, const char *defines);
 void GPU_material_free(struct ListBase *gpumaterial);
 
 void GPU_materials_free(void);
 
-void GPU_material_bind(
-        GPUMaterial *material, int oblay, int viewlay, double time, int mipmap,
-        float viewmat[4][4], float viewinv[4][4], float cameraborder[4]);
-void GPU_material_bind_uniforms(
-        GPUMaterial *material, float obmat[4][4], float viewmat[4][4], float obcol[4],
-        float autobumpscale, GPUParticleInfo *pi, float object_info[3]);
-void GPU_material_unbind(GPUMaterial *material);
-bool GPU_material_bound(GPUMaterial *material);
 struct Scene *GPU_material_scene(GPUMaterial *material);
 GPUMatType GPU_Material_get_type(GPUMaterial *material);
 struct GPUPass *GPU_material_get_pass(GPUMaterial *material);
@@ -281,103 +267,9 @@ void GPU_material_vertex_attributes(GPUMaterial *material,
 	struct GPUVertexAttribs *attrib);
 
 bool GPU_material_do_color_management(GPUMaterial *mat);
-bool GPU_material_use_new_shading_nodes(GPUMaterial *mat);
-bool GPU_material_use_world_space_shading(GPUMaterial *mat);
 bool GPU_material_use_domain_surface(GPUMaterial *mat);
 bool GPU_material_use_domain_volume(GPUMaterial *mat);
 
-/* Exported shading */
-
-typedef struct GPUShadeInput {
-	GPUMaterial *gpumat;
-	struct Material *mat;
-
-	GPUNodeLink *rgb, *specrgb, *vn, *view, *vcol, *ref;
-	GPUNodeLink *alpha, *refl, *spec, *emit, *har, *amb;
-	GPUNodeLink *spectra, *mir, *refcol;
-} GPUShadeInput;
-
-typedef struct GPUShadeResult {
-	GPUNodeLink *diff, *spec, *combined, *alpha;
-} GPUShadeResult;
-
-void GPU_shadeinput_set(GPUMaterial *mat, struct Material *ma, GPUShadeInput *shi);
-void GPU_shaderesult_set(GPUShadeInput *shi, GPUShadeResult *shr);
-
-/* Export GLSL shader */
-
-typedef enum GPUDataType {
-	GPU_DATA_NONE = 0,
-	GPU_DATA_1I = 1,   /* 1 integer */
-	GPU_DATA_1F = 2,
-	GPU_DATA_2F = 3,
-	GPU_DATA_3F = 4,
-	GPU_DATA_4F = 5,
-	GPU_DATA_9F = 6,
-	GPU_DATA_16F = 7,
-	GPU_DATA_4UB = 8,
-} GPUDataType;
-
-/* this structure gives information of each uniform found in the shader */
-typedef struct GPUInputUniform {
-	struct GPUInputUniform *next, *prev;
-	char varname[32];         /* name of uniform in shader */
-	GPUDynamicType type;      /* type of uniform, data format and calculation derive from it */
-	GPUDataType datatype;     /* type of uniform data */
-	struct Object *lamp;      /* when type=GPU_DYNAMIC_LAMP_... or GPU_DYNAMIC_SAMPLER_2DSHADOW */
-	struct Image *image;      /* when type=GPU_DYNAMIC_SAMPLER_2DIMAGE */
-	struct Material *material;/* when type=GPU_DYNAMIC_MAT_... */
-	int texnumber;            /* when type=GPU_DYNAMIC_SAMPLER, texture number: 0.. */
-	unsigned char *texpixels; /* for internally generated texture, pixel data in RGBA format */
-	int texsize;              /* size in pixel of the texture in texpixels buffer:
-	                           * for 2D textures, this is S and T size (square texture) */
-} GPUInputUniform;
-
-typedef struct GPUInputAttribute {
-	struct GPUInputAttribute *next, *prev;
-	char varname[32];     /* name of attribute in shader */
-	int type;             /* from CustomData.type, data type derives from it */
-	GPUDataType datatype; /* type of attribute data */
-	const char *name;     /* layer name */
-	int number;           /* generic attribute number */
-} GPUInputAttribute;
-
-typedef struct GPUShaderExport {
-	ListBase uniforms;
-	ListBase attributes;
-	char *vertex;
-	char *fragment;
-} GPUShaderExport;
-
-GPUShaderExport *GPU_shader_export(struct Scene *scene, struct Material *ma);
-void GPU_free_shader_export(GPUShaderExport *shader);
-
-/* Lamps */
-GPUNodeLink *GPU_lamp_get_data(
-        GPUMaterial *mat, struct GPULamp *lamp,
-        GPUNodeLink **r_col, GPUNodeLink **r_lv, GPUNodeLink **r_dist, GPUNodeLink **r_shadow, GPUNodeLink **r_energy);
-
-/* World */
-void GPU_mist_update_enable(short enable);
-void GPU_mist_update_values(int type, float start, float dist, float inten, float color[3]);
-void GPU_horizon_update_color(float color[3]);
-void GPU_ambient_update_color(float color[3]);
-void GPU_zenith_update_color(float color[3]);
-
-struct GPUParticleInfo
-{
-	float scalprops[4];
-	float location[4];
-	float velocity[3];
-	float angular_velocity[3];
-};
-
-#ifdef WITH_OPENSUBDIV
-struct DerivedMesh;
-void GPU_material_update_fvar_offset(GPUMaterial *gpu_material,
-                                     struct DerivedMesh *dm);
-#endif
-
 void GPU_pass_cache_garbage_collect(void);
 void GPU_pass_cache_free(void);