Differential D6093 Diff 19108 source/blender/draw/editors/image_uv_editor.c

Changeset View

Standalone View

source/blender/draw/editors/image_uv_editor.c

This file was added.

				/*
				* This program is free software; you can redistribute it and/or
				* modify it under the terms of the GNU General Public License
				* as published by the Free Software Foundation; either version 2
				* of the License, or (at your option) any later version.
				*
				* This program is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with this program; if not, write to the Free Software Foundation,
				* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*
				* Copyright 2016, Blender Foundation.
				*/

				/** \file
				* \ingroup draw_editors
				*
				* Draw engine to draw the Image/UV editor
				*/

				#include "DRW_render.h"

				#include "GPU_batch.h"
				#include "GPU_shader.h"

				#include "image_uv_editor.h"

				/* Shaders */

				/* ********* LISTS ********* */

				/* GPUViewport.storage
				* Is freed everytime the viewport engine changes */
				typedef struct IMAGE_UV_EDITOR_StorageList {
				struct IMAGE_UV_EDITOR_PrivateData *g_data;
				} IMAGE_UV_EDITOR_StorageList;

				typedef struct IMAGE_UV_EDITOR_PassList {
				DRWPass *image_pass;
				} IMAGE_UV_EDITOR_PassList;

				typedef struct IMAGE_UV_EDITOR_Data {
				void *engine_type;
				DRWViewportEmptyList *fbl;
				DRWViewportEmptyList *txl;
				IMAGE_UV_EDITOR_PassList *psl;
				IMAGE_UV_EDITOR_StorageList *stl;
				} IMAGE_UV_EDITOR_Data;

				typedef struct IMAGE_UV_EDITOR_Shaders {
				} IMAGE_UV_EDITOR_Shaders;

				/* ********* STATIC ********* */

				static struct {
				int flag;
				float image_mat[4][4];
				} e_data = {0}; /* Engine data */

				/* Functions */

				static void image_uv_editor_init(void *UNUSED(vedata))
				{
				}

				static void image_uv_editor_cache_init(void *vedata)
				{
				IMAGE_UV_EDITOR_Data ied = (IMAGE_UV_EDITOR_Data )vedata;
				IMAGE_UV_EDITOR_PassList *psl = ied->psl;

				{
				psl->image_pass = DRW_pass_create("Image", DRW_STATE_DEFAULT);

				// GPUShader *shader = GPU_shader_get_builtin_shader(GPU_SHADER_2D_IMAGE);
				GPUShader *shader = GPU_shader_get_builtin_shader(GPU_SHADER_2D_FLAT_COLOR);
				DRWShadingGroup *shgrp = DRW_shgroup_create(shader, psl->image_pass);
				const float color[3] = {1.0, 0.0, 0.5};
				DRW_shgroup_uniform_vec3_copy(shgrp, "color", color);
				GPUBatch *batch = DRW_cache_image_plane_get();
				unit_m4(e_data.image_mat);
				scale_m4_fl(e_data.image_mat, 100);
				DRW_shgroup_call_obmat(shgrp, batch, e_data.image_mat);
				}
				}

				static void image_uv_editor_cache_populate(void vedata, Object ob)
				{
				}

				static void image_uv_editor_cache_finish(void *vedata)
				{
				}

				static void image_uv_editor_draw_background(void *vedata)
				{
				// static float clearcol[4] = {1.0f, 0.0f, 1.0f, 1.0f};

				// DefaultFramebufferList *dfbl = DRW_viewport_framebuffer_list_get();
				// GPU_framebuffer_clear_color(dfbl->default_fb, clearcol);
				}

				static void image_uv_editor_draw_scene(void *vedata)
				{
				IMAGE_UV_EDITOR_Data ied = (IMAGE_UV_EDITOR_Data )vedata;
				IMAGE_UV_EDITOR_PassList *psl = ied->psl;

				DRW_draw_pass(psl->image_pass);
				}

				static void image_uv_editor_free(void)
				{
				}

				static const DrawEngineDataSize image_uv_editor_data_size = DRW_VIEWPORT_DATA_SIZE(
				IMAGE_UV_EDITOR_Data);

				DrawEngineType draw_engine_image_uv_editor_type = {
				NULL,
				NULL,
				N_("Image/UV Editor"),
				&image_uv_editor_data_size,
				&image_uv_editor_init,
				&image_uv_editor_free,
				&image_uv_editor_cache_init,
				&image_uv_editor_cache_populate,
				&image_uv_editor_cache_finish,
				&image_uv_editor_draw_background,
				&image_uv_editor_draw_scene,
				NULL,
				NULL,
				NULL,
				};