Differential D4570 Diff 14341 source/blender/draw/modes/paint_texture_mode.c

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source/blender/draw/modes/paint_texture_mode.c

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static struct {		static struct {
/* Custom shaders :		/* Custom shaders :
* Add sources to source/blender/draw/modes/shaders		* Add sources to source/blender/draw/modes/shaders
* init in PAINT_TEXTURE_engine_init();		* init in PAINT_TEXTURE_engine_init();
* free in PAINT_TEXTURE_engine_free(); */		* free in PAINT_TEXTURE_engine_free(); */
struct GPUShader *fallback_sh;		struct GPUShader *fallback_sh;
struct GPUShader *image_sh;		struct GPUShader *image_sh;
		struct GPUShader *image_masking_sh;

struct GPUShader *wire_overlay_shader;		struct GPUShader *wire_overlay_shader;
struct GPUShader *face_overlay_shader;		struct GPUShader *face_overlay_shader;
} e_data = {NULL}; /* Engine data */		} e_data = {NULL}; /* Engine data */

typedef struct PAINT_TEXTURE_PrivateData {		typedef struct PAINT_TEXTURE_PrivateData {
/* This keeps the references of the shading groups for		/* This keeps the references of the shading groups for
* easy access in PAINT_TEXTURE_cache_populate() */		* easy access in PAINT_TEXTURE_cache_populate() */
Show All 14 Lines	static void PAINT_TEXTURE_engine_init(void *UNUSED(vedata))
if (!e_data.fallback_sh) {		if (!e_data.fallback_sh) {
e_data.fallback_sh = GPU_shader_get_builtin_shader(GPU_SHADER_3D_UNIFORM_COLOR);		e_data.fallback_sh = GPU_shader_get_builtin_shader(GPU_SHADER_3D_UNIFORM_COLOR);

e_data.image_sh = DRW_shader_create_with_lib(		e_data.image_sh = DRW_shader_create_with_lib(
datatoc_paint_texture_vert_glsl, NULL,		datatoc_paint_texture_vert_glsl, NULL,
datatoc_paint_texture_frag_glsl,		datatoc_paint_texture_frag_glsl,
datatoc_common_globals_lib_glsl, NULL);		datatoc_common_globals_lib_glsl, NULL);

		e_data.image_masking_sh = DRW_shader_create_with_lib(
		datatoc_paint_texture_vert_glsl, NULL,
		datatoc_paint_texture_frag_glsl,
		datatoc_common_globals_lib_glsl,
		"#define TEXTURE_PAINT_MASK\n");

e_data.wire_overlay_shader = DRW_shader_create_with_lib(		e_data.wire_overlay_shader = DRW_shader_create_with_lib(
datatoc_paint_wire_vert_glsl, NULL,		datatoc_paint_wire_vert_glsl, NULL,
datatoc_paint_wire_frag_glsl,		datatoc_paint_wire_frag_glsl,
datatoc_common_globals_lib_glsl,		datatoc_common_globals_lib_glsl,
"#define VERTEX_MODE\n");		"#define VERTEX_MODE\n");

e_data.face_overlay_shader = DRW_shader_create(		e_data.face_overlay_shader = DRW_shader_create(
datatoc_paint_face_vert_glsl, NULL,		datatoc_paint_face_vert_glsl, NULL,
datatoc_gpu_shader_uniform_color_frag_glsl, NULL);		datatoc_gpu_shader_uniform_color_frag_glsl, NULL);
}		}
}		}

		static DRWShadingGroup* create_texture_paint_shading_group(PAINT_TEXTURE_PassList psl, const struct GPUTexture texture, const DRWContextState *draw_ctx, const bool nearest_interp)
		{
		Scene *scene = draw_ctx->scene;
		const ImagePaintSettings *imapaint = &scene->toolsettings->imapaint;
		const bool masking_enabled = imapaint->flag & IMAGEPAINT_PROJECT_LAYER_STENCIL && imapaint->stencil != NULL;

		DRWShadingGroup *grp = DRW_shgroup_create(masking_enabled?e_data.image_masking_sh:e_data.image_sh, psl->image_faces);
		DRW_shgroup_uniform_texture(grp, "image", texture);
		DRW_shgroup_uniform_float(grp, "alpha", &draw_ctx->v3d->overlay.texture_paint_mode_opacity, 1);
		DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
		DRW_shgroup_uniform_bool_copy(grp, "nearestInterp", nearest_interp);

		if (masking_enabled) {
		const bool masking_inverted = (imapaint->flag & IMAGEPAINT_PROJECT_LAYER_STENCIL_INV) > 0;
		GPUTexture *stencil = GPU_texture_from_blender(imapaint->stencil, NULL, GL_TEXTURE_2D, false);
		DRW_shgroup_uniform_texture(grp, "maskingImage", stencil);
		DRW_shgroup_uniform_vec3(grp, "maskingColor", imapaint->stencil_col, 1);
		DRW_shgroup_uniform_bool_copy(grp, "maskingInvertStencil", masking_inverted);
		}
		return grp;
		}

/* Here init all passes and shading groups		/* Here init all passes and shading groups
* Assume that all Passes are NULL */		* Assume that all Passes are NULL */
static void PAINT_TEXTURE_cache_init(void *vedata)		static void PAINT_TEXTURE_cache_init(void *vedata)
{		{
PAINT_TEXTURE_PassList psl = ((PAINT_TEXTURE_Data )vedata)->psl;		PAINT_TEXTURE_PassList psl = ((PAINT_TEXTURE_Data )vedata)->psl;
PAINT_TEXTURE_StorageList stl = ((PAINT_TEXTURE_Data )vedata)->stl;		PAINT_TEXTURE_StorageList stl = ((PAINT_TEXTURE_Data )vedata)->stl;

if (!stl->g_data) {		if (!stl->g_data) {
Show All 28 Lines	if (ob && ob->type == OB_MESH) {
stl->g_data->shgroup_image_array = MEM_mallocN(		stl->g_data->shgroup_image_array = MEM_mallocN(
sizeof(stl->g_data->shgroup_image_array) (use_material_slots ? mat_nr : 1), __func__);		sizeof(stl->g_data->shgroup_image_array) (use_material_slots ? mat_nr : 1), __func__);

if (use_material_slots) {		if (use_material_slots) {
for (int i = 0; i < mat_nr; i++) {		for (int i = 0; i < mat_nr; i++) {
Material *ma = give_current_material(ob, i + 1);		Material *ma = give_current_material(ob, i + 1);
Image *ima = (ma && ma->texpaintslot) ? ma->texpaintslot[ma->paint_active_slot].ima : NULL;		Image *ima = (ma && ma->texpaintslot) ? ma->texpaintslot[ma->paint_active_slot].ima : NULL;
int interp = (ma && ma->texpaintslot) ? ma->texpaintslot[ma->paint_active_slot].interp : 0;		int interp = (ma && ma->texpaintslot) ? ma->texpaintslot[ma->paint_active_slot].interp : 0;
GPUTexture *tex = ima ?		GPUTexture *tex = GPU_texture_from_blender(ima, NULL, GL_TEXTURE_2D, false);
GPU_texture_from_blender(ima, NULL, GL_TEXTURE_2D, false) : NULL;

if (tex) {		if (tex) {
DRWShadingGroup *grp = DRW_shgroup_create(e_data.image_sh, psl->image_faces);		DRWShadingGroup *grp = create_texture_paint_shading_group(psl, tex, draw_ctx, interp == SHD_INTERP_CLOSEST);
DRW_shgroup_uniform_texture(grp, "image", tex);
DRW_shgroup_uniform_float(grp, "alpha", &draw_ctx->v3d->overlay.texture_paint_mode_opacity, 1);
DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
DRW_shgroup_uniform_bool_copy(grp, "nearestInterp", interp == SHD_INTERP_CLOSEST);
stl->g_data->shgroup_image_array[i] = grp;		stl->g_data->shgroup_image_array[i] = grp;
}		}
else {		else {
stl->g_data->shgroup_image_array[i] = NULL;		stl->g_data->shgroup_image_array[i] = NULL;
}		}
}		}
}		}
else {		else {
Image *ima = imapaint->canvas;		Image *ima = imapaint->canvas;
GPUTexture *tex = ima ?		GPUTexture *tex = GPU_texture_from_blender(ima, NULL, GL_TEXTURE_2D, false);
GPU_texture_from_blender(ima, NULL, GL_TEXTURE_2D, false) : NULL;

if (tex) {		if (tex) {
DRWShadingGroup *grp = DRW_shgroup_create(e_data.image_sh, psl->image_faces);		DRWShadingGroup *grp = create_texture_paint_shading_group(psl, tex, draw_ctx, imapaint->interp == IMAGEPAINT_INTERP_CLOSEST);
DRW_shgroup_uniform_texture(grp, "image", tex);
DRW_shgroup_uniform_float(grp, "alpha", &draw_ctx->v3d->overlay.texture_paint_mode_opacity, 1);
DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
DRW_shgroup_uniform_bool_copy(grp, "nearestInterp", imapaint->interp == IMAGEPAINT_INTERP_CLOSEST);
stl->g_data->shgroup_image_array[0] = grp;		stl->g_data->shgroup_image_array[0] = grp;
}		}
else {		else {
stl->g_data->shgroup_image_array[0] = NULL;		stl->g_data->shgroup_image_array[0] = NULL;
}		}
}		}
}		}
}		}
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}		}

/* Cleanup when destroying the engine.		/* Cleanup when destroying the engine.
* This is not per viewport ! only when quitting blender.		* This is not per viewport ! only when quitting blender.
* Mostly used for freeing shaders */		* Mostly used for freeing shaders */
static void PAINT_TEXTURE_engine_free(void)		static void PAINT_TEXTURE_engine_free(void)
{		{
DRW_SHADER_FREE_SAFE(e_data.image_sh);		DRW_SHADER_FREE_SAFE(e_data.image_sh);
		DRW_SHADER_FREE_SAFE(e_data.image_masking_sh);
DRW_SHADER_FREE_SAFE(e_data.wire_overlay_shader);		DRW_SHADER_FREE_SAFE(e_data.wire_overlay_shader);
DRW_SHADER_FREE_SAFE(e_data.face_overlay_shader);		DRW_SHADER_FREE_SAFE(e_data.face_overlay_shader);
}		}

static const DrawEngineDataSize PAINT_TEXTURE_data_size = DRW_VIEWPORT_DATA_SIZE(PAINT_TEXTURE_Data);		static const DrawEngineDataSize PAINT_TEXTURE_data_size = DRW_VIEWPORT_DATA_SIZE(PAINT_TEXTURE_Data);

DrawEngineType draw_engine_paint_texture_type = {		DrawEngineType draw_engine_paint_texture_type = {
NULL, NULL,		NULL, NULL,
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