example/modifier_volume_hole: draw open volume
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@ -48,7 +48,8 @@ using mat4x4 = mat<4, 4, float>;
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#include "assert.h"
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#include "model/blender_export.h"
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#include "model/modifier_volume_test/closed_volume.h"
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//#include "model/modifier_volume_test/closed_volume.h"
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#include "model/modifier_volume_test/open_volume.h"
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void vbr100()
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{
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@ -71,14 +72,14 @@ constexpr uint32_t ta_alloc = 0
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| ta_alloc_ctrl::pt_opb::no_list
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| ta_alloc_ctrl::tm_opb::no_list
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| ta_alloc_ctrl::t_opb::no_list
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| ta_alloc_ctrl::om_opb::no_list
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| ta_alloc_ctrl::om_opb::_32x4byte
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| ta_alloc_ctrl::o_opb::_32x4byte;
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constexpr int ta_cont_count = 1;
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constexpr struct opb_size opb_size[ta_cont_count] = {
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{
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.opaque = 32 * 4,
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.opaque_modifier = 0,
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.opaque_modifier = 32 * 4,
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.translucent = 0,
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.translucent_modifier = 0,
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.punch_through = 0
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@ -197,13 +198,14 @@ void do_get_condition()
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}
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static inline void global_polygon(ta_parameter_writer& writer,
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uint32_t list)
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uint32_t list,
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float mod)
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{
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uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| list
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| obj_control::col_type::intensity_mode_1
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| obj_control::gouraud
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//| obj_control::shadow
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| obj_control::shadow
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;
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uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
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@ -217,10 +219,10 @@ static inline void global_polygon(ta_parameter_writer& writer,
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uint32_t texture_control_word = 0;
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float a = 1.0f;
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float r = 1.0f;
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float g = 1.0f;
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float b = 1.0f;
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float a = 1.0f * mod;
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float r = 1.0f * mod;
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float g = 1.0f * mod;
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float b = 1.0f * mod;
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writer.append<ta_global_parameter::polygon_type_1>() =
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ta_global_parameter::polygon_type_1(parameter_control_word,
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@ -234,6 +236,20 @@ static inline void global_polygon(ta_parameter_writer& writer,
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);
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}
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static inline void global_polygon_modifier_volume(ta_parameter_writer& writer)
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{
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uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque_modifier_volume
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;
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uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::volume_instruction::normal_polygon
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| isp_tsp_instruction_word::culling_mode::no_culling;
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writer.append<ta_global_parameter::modifier_volume>() =
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ta_global_parameter::modifier_volume(parameter_control_word,
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isp_tsp_instruction_word);
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}
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static inline void render_quad(ta_parameter_writer& writer,
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vec3 ap,
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vec3 bp,
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@ -265,6 +281,44 @@ static inline void render_quad(ta_parameter_writer& writer,
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ci);
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}
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static inline void global_last_in_volume(ta_parameter_writer& writer)
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{
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const uint32_t last_parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque_modifier_volume
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| obj_control::volume::modifier_volume::last_in_volume;
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const uint32_t last_isp_tsp_instruction_word = isp_tsp_instruction_word::volume_instruction::inside_last_polygon
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| isp_tsp_instruction_word::culling_mode::no_culling;
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writer.append<ta_global_parameter::modifier_volume>() =
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ta_global_parameter::modifier_volume(last_parameter_control_word,
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last_isp_tsp_instruction_word);
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}
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static inline void render_quad_modifier_volume(ta_parameter_writer& writer,
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vec3 ap,
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vec3 bp,
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vec3 cp,
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vec3 dp,
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bool last_tri)
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{
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writer.append<ta_vertex_parameter::modifier_volume>() =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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ap.x, ap.y, ap.z,
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bp.x, bp.y, bp.z,
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dp.x, dp.y, dp.z);
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if (last_tri) {
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global_last_in_volume(writer);
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}
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writer.append<ta_vertex_parameter::modifier_volume>() =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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bp.x, bp.y, bp.z,
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dp.x, dp.y, dp.z,
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cp.x, cp.y, cp.z);
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}
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static inline vec3 screen_transform(vec3 v)
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{
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float dim = 480 / 2.0;
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@ -302,7 +356,56 @@ static inline void render_polygon(ta_parameter_writer& writer,
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ai, bi, ci, di);
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}
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static inline void render_polygon_modifier_volume(ta_parameter_writer& writer,
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const polygon * polygon,
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const vec3 * position,
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bool last)
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{
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vec3 ap = position[polygon->a];
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vec3 bp = position[polygon->b];
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vec3 cp = position[polygon->c];
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vec3 dp = position[polygon->d];
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if (ap.z < 0 || bp.z < 0 || cp.z < 0 || dp.z < 0) {
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return;
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}
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render_quad_modifier_volume(writer,
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screen_transform(ap),
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screen_transform(bp),
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screen_transform(cp),
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screen_transform(dp),
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last);
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}
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void render_blender_object(ta_parameter_writer& writer,
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const mat4x4& screen_trans,
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const object * object,
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float mod)
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{
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const mat4x4 trans = screen_trans
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* translate(object->location)
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* scale(object->scale)
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* rotate_quaternion(object->rotation);
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const mesh * mesh = object->mesh;
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vec3 position[mesh->position_length];
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for (int i = 0; i < mesh->position_length; i++) {
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position[i] = trans * mesh->position[i];
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}
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global_polygon(writer,
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para_control::list_type::opaque,
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mod);
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for (int i = 0; i < mesh->polygons_length; i++) {
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const polygon * polygon = &mesh->polygons[i];
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render_polygon(writer, polygon, position);
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}
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}
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void render_blender_object_modifier_volume(ta_parameter_writer& writer,
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const mat4x4& screen_trans,
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const object * object)
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{
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@ -318,22 +421,30 @@ void render_blender_object(ta_parameter_writer& writer,
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position[i] = trans * mesh->position[i];
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}
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global_polygon(writer,
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para_control::list_type::opaque);
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global_polygon_modifier_volume(writer);
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for (int i = 0; i < mesh->polygons_length; i++) {
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bool last = i == (mesh->polygons_length - 1);
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const polygon * polygon = &mesh->polygons[i];
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render_polygon(writer, polygon, position);
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render_polygon_modifier_volume(writer, polygon, position, last);
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}
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}
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void transfer_scene(ta_parameter_writer& writer, const mat4x4& screen_trans)
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{
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// opaque modifier
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{
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render_blender_object_modifier_volume(writer, screen_trans, &objects[0]);
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// end of opaque list
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writer.append<ta_global_parameter::end_of_list>() =
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ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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}
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// opaque
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{
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for (uint32_t i = 0; i < (sizeof (objects)) / (sizeof (objects[0])); i++) {
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render_blender_object(writer, screen_trans, &objects[i]);
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}
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//render_blender_object(writer, screen_trans, &objects[0], 0.5f);
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render_blender_object(writer, screen_trans, &objects[1], 1.0f);
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// end of opaque list
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writer.append<ta_global_parameter::end_of_list>() =
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@ -439,7 +550,7 @@ void main()
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while (next_frame == 0);
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next_frame = 0;
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if ((frame++ % 60) == 0) {
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if (0 && (frame++ % 60) == 0) {
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const mat4x4& t = screen_trans;
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printf("\n");
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printf("%f %f %f %f\n", t[0][0], t[0][1], t[0][2], t[0][3]);
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