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Diffstat (limited to 'src/examples/evas/evas-3d-blending.c')
| -rw-r--r-- | src/examples/evas/evas-3d-blending.c | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/src/examples/evas/evas-3d-blending.c b/src/examples/evas/evas-3d-blending.c deleted file mode 100644 index 066961af72..0000000000 --- a/src/examples/evas/evas-3d-blending.c +++ /dev/null @@ -1,312 +0,0 @@ -/** - * Example of different blending modes in Evas-3D. - * - * Press "Up" or "Down" key for change source blending factor. - * Press "Left" or "Right" for change destination blending factors. - * For more details see https://www.opengl.org/sdk/docs/man2/xhtml/glBlendFunc.xml - * - * @verbatim - * gcc -o evas-3d-blending evas-3d-blending.c `pkg-config --libs --cflags efl evas ecore ecore-evas eo` -lm - * @endverbatim - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#else -#define EFL_BETA_API_SUPPORT -#endif - -#include <Eo.h> -#include <Evas.h> -#include <Ecore.h> -#include <Ecore_Evas.h> - -#define WIDTH 1024 -#define HEIGHT 1024 - -static const char *blend_func_names[] = -{ - /**< The scale factors for color components is (0, 0, 0, 0)*/ - "EVAS_CANVAS3D_BLEND_FUNC_ZERO", - /**< The scale factors for color components is (1, 1, 1, 1)*/ - "EVAS_CANVAS3D_BLEND_FUNC_ONE", - /**< The scale factors for color components is (Rs/kR, Gs/kG, Bs/kB, As/kA)*/ - "EVAS_CANVAS3D_BLEND_FUNC_SRC_COLOR", - /**< The scale factors for color components is (1, 1, 1, 1) - (Rs/kR, Gs/kG, Bs/kB, As/kA)*/ - "EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_SRC_COLOR", - /**< The scale factors for color components is (Rd/kR, Gd/kG, Bd/kB, Ad/kA)*/ - "EVAS_CANVAS3D_BLEND_FUNC_DST_COLOR", - /**< The scale factors for color components is (1, 1, 1, 1) - (Rd/kR, Gd/kG, Bd/kB, Ad/kA)*/ - "EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_DST_COLOR", - /**< The scale factors for color components is (As/kA, As/kA, As/kA, As/kA)*/ - "EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA", - /**< The scale factors for color components is (1, 1, 1, 1) - (As/kA, As/kA, As/kA, As/kA)*/ - "EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_SRC_ALPHA", - /**< The scale factors for color components is (Ad/kA, Ad/kA, Ad/kA, Ad/kA)*/ - "EVAS_CANVAS3D_BLEND_FUNC_DST_ALPHA", - /**< The scale factors for color components is (1, 1, 1, 1) - (Ad/kA, Ad/kA, Ad/kA, Ad/kA)*/ - "EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_DST_ALPHA", - /**< The scale factors for color components is (Rc, Gc, Bc, Ac)*/ - "EVAS_CANVAS3D_BLEND_FUNC_CONSTANT_COLOR", - /**< The scale factors for color components is (1, 1, 1, 1) - (Rc, Gc, Bc, Ac)*/ - "EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_CONSTANT_COLOR", - /**< The scale factors for color components is (Ac, Ac, Ac, Ac)*/ - "EVAS_CANVAS3D_BLEND_FUNC_CONSTANT_ALPHA", - /**< The scale factors for color components is (1, 1, 1, 1) - (Ac, Ac, Ac, Ac)*/ - "EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_CONSTANT_ALPHA", - /**< The scale factors for color components is (i, i, i, 1) where i = min(As, kA, Ad)/kA*/ - "EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE", -}; - -typedef struct _Scene_Data -{ - Eo *scene; - Eo *root_node; - Eo *camera_node; - Eo *light_node; - Eo *mesh_node; - Eo *mesh_node1; - - Eo *camera; - Eo *light; - Eo *mesh; - Eo *mesh1; - Eo *sphere; - Eo *material; - Eo *material1; -} Scene_Data; - -Evas *evas = NULL; -Eo *background = NULL; -Eo *image = NULL; - -int func1 = EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA; -int func2 = EVAS_CANVAS3D_BLEND_FUNC_ONE_MINUS_SRC_ALPHA; - -static void -_on_key_down(void *data, Evas *e EINA_UNUSED, Evas_Object *eo EINA_UNUSED, void *event_info) -{ - Scene_Data *scene = (Scene_Data *)data; - Evas_Event_Key_Down *ev = event_info; - - if (!strcmp("Up", ev->key)) - func1++; - if (!strcmp("Down", ev->key)) - func1--; - if (!strcmp("Left", ev->key)) - func2++; - if (!strcmp("Right", ev->key)) - func2--; - - if(func1 < EVAS_CANVAS3D_BLEND_FUNC_ZERO) - func1 = EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE; - if(func1 > EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE) - func1 = EVAS_CANVAS3D_BLEND_FUNC_ZERO; - - if(func2 < EVAS_CANVAS3D_BLEND_FUNC_ZERO) - func2 = EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE; - if(func2 > EVAS_CANVAS3D_BLEND_FUNC_SRC_ALPHA_SATURATE) - func2 = EVAS_CANVAS3D_BLEND_FUNC_ZERO; - evas_canvas3d_mesh_blending_func_set(scene->mesh1, func1, func2); - printf("sfactor = %s, dfactor = %s\n", blend_func_names[func1], blend_func_names[func2]); -} - -static void -_on_delete(Ecore_Evas *ee EINA_UNUSED) -{ - ecore_main_loop_quit(); -} - -static void -_on_canvas_resize(Ecore_Evas *ee) -{ - int w, h; - - ecore_evas_geometry_get(ee, NULL, NULL, &w, &h); - - evas_object_resize(background, w, h); - efl_gfx_entity_size_set(background, EINA_SIZE2D(w, h)); - efl_gfx_entity_size_set(image, EINA_SIZE2D(w, h)); -} - -static Eina_Bool -_animate_scene(void *data) -{ - static float angle = 0.0f; - Scene_Data *scene = (Scene_Data *)data; - - angle += 0.02; - - evas_canvas3d_node_position_set(scene->mesh_node, 3 * sin(angle), 0.0, 3 * cos(angle)); - - if (angle > 2 * M_PI) angle = 0; - - return EINA_TRUE; -} - -static void -_camera_setup(Scene_Data *data) -{ - data->camera = efl_add(EVAS_CANVAS3D_CAMERA_CLASS, evas); - - evas_canvas3d_camera_projection_perspective_set(data->camera, 60.0, 1.0, 2.0, 50.0); - - data->camera_node = - efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_CAMERA)); - - evas_canvas3d_node_camera_set(data->camera_node, data->camera); - evas_canvas3d_node_position_set(data->camera_node, 0.0, 0.0, 10.0); - evas_canvas3d_node_look_at_set(data->camera_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0); - - evas_canvas3d_node_member_add(data->root_node, data->camera_node); -} - -static void -_light_setup(Scene_Data *data) -{ - data->light = efl_add(EVAS_CANVAS3D_LIGHT_CLASS, evas); - evas_canvas3d_light_ambient_set(data->light, 0.2, 0.2, 0.2, 1.0); - evas_canvas3d_light_diffuse_set(data->light, 1.0, 1.0, 1.0, 1.0); - evas_canvas3d_light_specular_set(data->light, 1.0, 1.0, 1.0, 1.0); - - data->light_node = - efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_LIGHT)); - evas_canvas3d_node_light_set(data->light_node, data->light); - evas_canvas3d_node_position_set(data->light_node, 0.0, 0.0, 10.0); - evas_canvas3d_node_look_at_set(data->light_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0); - evas_canvas3d_node_member_add(data->root_node, data->light_node); -} - -static void -_set_ball(Eo *mesh, Eo *sphere, Evas_Canvas3D_Material *material) -{ - evas_canvas3d_mesh_from_primitive_set(mesh, 0, sphere); - evas_canvas3d_mesh_frame_material_set(mesh, 0, material); - evas_canvas3d_mesh_shader_mode_set(mesh, EVAS_CANVAS3D_SHADER_MODE_PHONG); -} - -static void -_mesh_setup(Scene_Data *data) -{ - data->material = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas); - - evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE); - evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE); - evas_canvas3d_material_enable_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE); - evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 1.0, 0.2, 0.2, 0.2); - evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 1.0, 0.0, 0.0, 0.2); - evas_canvas3d_material_color_set(data->material, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 0.2); - evas_canvas3d_material_shininess_set(data->material, 100.0); - - data->material1 = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas); - - evas_canvas3d_material_enable_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE); - evas_canvas3d_material_enable_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE); - evas_canvas3d_material_enable_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE); - evas_canvas3d_material_color_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.0, 0.2, 0.2, 0.2); - evas_canvas3d_material_color_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 0.0, 0.0, 1.0, 0.2); - evas_canvas3d_material_color_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 0.2); - evas_canvas3d_material_shininess_set(data->material1, 100.0); - - data->sphere = efl_add(EVAS_CANVAS3D_PRIMITIVE_CLASS, evas); - evas_canvas3d_primitive_form_set(data->sphere, EVAS_CANVAS3D_MESH_PRIMITIVE_SPHERE); - evas_canvas3d_primitive_precision_set(data->sphere, 50); - - data->mesh = efl_add(EVAS_CANVAS3D_MESH_CLASS, evas); - data->mesh1 = efl_add(EVAS_CANVAS3D_MESH_CLASS, evas); - - _set_ball(data->mesh, data->sphere, data->material); - _set_ball(data->mesh1, data->sphere, data->material1); - - data->mesh_node = - efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_MESH)); - - evas_canvas3d_node_member_add(data->root_node, data->mesh_node); - evas_canvas3d_node_mesh_add(data->mesh_node, data->mesh); - - data->mesh_node1 = - efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_MESH)); - - evas_canvas3d_node_member_add(data->root_node, data->mesh_node1); - evas_canvas3d_node_mesh_add(data->mesh_node1, data->mesh1); - - evas_canvas3d_mesh_blending_enable_set(data->mesh1, EINA_TRUE); - evas_canvas3d_mesh_blending_func_set(data->mesh1, func1, func2); - - evas_canvas3d_node_scale_set(data->mesh_node, 2.0, 2.0, 2.0); - - evas_canvas3d_node_scale_set(data->mesh_node1, 5.0, 5.0, 5.0); -} - -static void -_scene_setup(Scene_Data *data) -{ - data->scene = efl_add(EVAS_CANVAS3D_SCENE_CLASS, evas); - - evas_canvas3d_scene_size_set(data->scene, WIDTH, HEIGHT); - evas_canvas3d_scene_background_color_set(data->scene, 0.5, 0.5, 0.5, 1); - - data->root_node = - efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_NODE)); - - _camera_setup(data); - _light_setup(data); - _mesh_setup(data); - - evas_canvas3d_scene_root_node_set(data->scene, data->root_node); - evas_canvas3d_scene_camera_node_set(data->scene, data->camera_node); -} - -int -main(void) -{ - Scene_Data data; - Ecore_Animator *anim; - Ecore_Evas *ecore_evas = NULL; - - if (!ecore_evas_init()) return 0; - - putenv("ECORE_EVAS_ENGINE=opengl_x11"); - ecore_evas = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL); - - if (!ecore_evas) return 0; - - ecore_evas_callback_delete_request_set(ecore_evas, _on_delete); - ecore_evas_callback_resize_set(ecore_evas, _on_canvas_resize); - ecore_evas_show(ecore_evas); - - evas = ecore_evas_get(ecore_evas); - - _scene_setup(&data); - - /* Add a background rectangle object. */ - background = evas_object_rectangle_add(evas); - evas_object_color_set(background, 0, 0, 0, 255); - evas_object_move(background, 0, 0); - evas_object_resize(background, WIDTH, HEIGHT); - evas_object_show(background); - - /* Add an image object for 3D scene rendering. */ - image = efl_add(EFL_CANVAS_SCENE3D_CLASS, evas); - evas_object_move(image, 0, 0); - evas_object_resize(image, WIDTH, HEIGHT); - evas_object_show(image); - evas_object_focus_set(image, EINA_TRUE); - - /* Set the image object as render target for 3D scene. */ - efl_canvas_scene3d_set(image, data.scene); - - /* Add animation timer callback. */ - ecore_animator_frametime_set(0.008); - anim = ecore_animator_add(_animate_scene, &data); - - evas_object_event_callback_add(image, EVAS_CALLBACK_KEY_DOWN, _on_key_down, &data); - /* Enter main loop. */ - ecore_main_loop_begin(); - - ecore_evas_free(ecore_evas); - ecore_evas_shutdown(); - ecore_animator_del(anim); - - return 0; -} |