example: add cube_vq_rectangular
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@ -231,6 +231,6 @@ void main()
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tile_width,
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tile_height);
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transfer_scene(theta);
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//theta += degree;
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theta += degree;
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}
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}
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235
example/cube_vq_rectangular.cpp
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235
example/cube_vq_rectangular.cpp
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@ -0,0 +1,235 @@
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#include <cstdint>
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#include "holly/isp_tsp.hpp"
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#include "holly/ta_parameter.hpp"
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#include "holly/ta_global_parameter.hpp"
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#include "holly/ta_vertex_parameter.hpp"
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#include "holly/ta_bits.hpp"
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#include "holly/ta_fifo_polygon_converter.hpp"
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#include "holly/holly.hpp"
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#include "holly/core_bits.hpp"
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#include "holly/core.hpp"
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#include "holly/region_array.hpp"
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#include "holly/background.hpp"
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#include "holly/video_output.hpp"
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#include "holly/texture_memory_alloc2.hpp"
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#include "sh7091/store_queue.hpp"
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#include "sh7091/serial.hpp"
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#include "twiddle.hpp"
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#include "math/vec2.hpp"
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#include "texture/panda/panda_rectangular.vq.h"
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enum material {
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Material,
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};
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#include "model/prism.h"
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void transfer_scene(float theta)
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{
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const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque
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| obj_control::col_type::intensity_mode_1
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| obj_control::texture
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| obj_control::gouraud;
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const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
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| isp_tsp_instruction_word::culling_mode::cull_if_positive;
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const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
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| tsp_instruction_word::dst_alpha_instr::zero
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| tsp_instruction_word::fog_control::no_fog
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| tsp_instruction_word::texture_shading_instruction::modulate
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| tsp_instruction_word::texture_u_size::from_int(512)
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| tsp_instruction_word::texture_v_size::from_int(256);
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const uint32_t texture_address = texture_memory_alloc::texture.start;
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const uint32_t texture_control_word = texture_control_word::vq_compressed
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| texture_control_word::pixel_format::_565
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| texture_control_word::scan_order::twiddled
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| texture_control_word::texture_address(texture_address / 8);
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for (int j = 0; j < prism_model.object_count; j++) {
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*reinterpret_cast<ta_global_parameter::polygon_type_1 *>(store_queue) =
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ta_global_parameter::polygon_type_1(parameter_control_word,
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isp_tsp_instruction_word,
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tsp_instruction_word,
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texture_control_word, // texture_control_word
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1.0, // face color alpha
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1.0, // face color r
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1.0, // face color g
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1.0 // face color b
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);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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struct object * object = prism_model.object[j];
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for (int i = 0; i < object->triangle_count; i++) {
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for (int k = 0; k < 3; k++) {
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int position_ix = object->triangle[i].v[k].position;
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float x0 = prism_model.position[position_ix].x;
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float y0 = prism_model.position[position_ix].y;
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float z0 = prism_model.position[position_ix].z;
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float x1 = x0 * cos(theta) - z0 * sin(theta);
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float y1 = y0;
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float z1 = x0 * sin(theta) + z0 * cos(theta);
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float x = x1;
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float y = y1 * cos(theta) - z1 * sin(theta);
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float z = y1 * sin(theta) + z1 * cos(theta);
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z += 2.0;
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x /= z;
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y /= z;
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// do rotation
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x = x * 240 + 320;
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y = y * 240 + 240;
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z = 1/z;
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bool end_of_strip = k == 2;
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int texture_ix = object->triangle[i].v[k].texture;
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float u = 1.0 - prism_model.texture[texture_ix].u;
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float v = prism_model.texture[texture_ix].v;
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*reinterpret_cast<ta_vertex_parameter::polygon_type_7 *>(store_queue) =
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ta_vertex_parameter::polygon_type_7(polygon_vertex_parameter_control_word(end_of_strip),
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x, y, z,
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u, v,
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1.0, // base intensity
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1.0 // offset intensity
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);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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}
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}
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}
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*reinterpret_cast<ta_global_parameter::end_of_list *>(store_queue) =
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ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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}
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template <typename T>
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inline void copy(T * dst, const T * src, const int32_t n) noexcept
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{
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int32_t n_t = n / (sizeof (T));
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while (n_t > 0) {
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*dst++ = *src++;
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n_t--;
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}
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}
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void texture_init()
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{
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uint32_t offset = texture_memory_alloc::texture.start;
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copy<volatile uint32_t>(&texture_memory64[offset / 4],
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reinterpret_cast<uint32_t *>(&_binary_texture_panda_panda_rectangular_vq_start),
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reinterpret_cast<int>(&_binary_texture_panda_panda_rectangular_vq_size));
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}
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void main()
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{
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serial::init(4);
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constexpr uint32_t ta_alloc = 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::o_opb::_16x4byte;
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constexpr int render_passes = 1;
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constexpr struct opb_size opb_size[render_passes] = {
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{
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.opaque = 16 * 4,
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.opaque_modifier = 0,
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.translucent = 0,
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.translucent_modifier = 0,
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.punch_through = 0,
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}
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};
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holly.SOFTRESET = softreset::pipeline_soft_reset
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| softreset::ta_soft_reset;
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holly.SOFTRESET = 0;
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core_init();
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video_output::set_mode_vga();
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constexpr int framebuffer_width = 640;
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constexpr int framebuffer_height = 480;
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constexpr int tile_width = framebuffer_width / 32;
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constexpr int tile_height = framebuffer_height / 32;
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region_array_multipass(tile_width,
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tile_height,
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opb_size,
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render_passes,
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texture_memory_alloc::region_array[0].start,
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texture_memory_alloc::object_list[0].start);
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region_array_multipass(tile_width,
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tile_height,
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opb_size,
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render_passes,
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texture_memory_alloc::region_array[1].start,
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texture_memory_alloc::object_list[1].start);
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background_parameter2(texture_memory_alloc::background[0].start,
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0xff220033);
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background_parameter2(texture_memory_alloc::background[1].start,
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0xff220033);
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texture_init();
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const float degree = 0.017453292519943295;
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float theta = 0;
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int ta = -1;
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int core = -2;
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while (1) {
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if (core >= 0) {
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// core = 0 ; core = 1
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// ta = 1 ; ta = 0
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core_wait_end_of_render_video();
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while (!spg_status::vsync(holly.SPG_STATUS));
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holly.FB_R_SOF1 = texture_memory_alloc::framebuffer[core].start;
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while (spg_status::vsync(holly.SPG_STATUS));
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}
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// core = -2 ; core = 1 ; core = 0
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// ta = -1 ; ta = 0 ; ta = 1
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core += 1;
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ta += 1;
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if (core > 1) core = 0;
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if (ta > 1) ta = 0;
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if (core >= 0) {
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// core = 1 ; core = 0
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// ta = 0 ; ta = 1
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ta_wait_opaque_list();
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core_start_render2(texture_memory_alloc::region_array[core].start,
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texture_memory_alloc::isp_tsp_parameters[core].start,
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texture_memory_alloc::background[core].start,
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texture_memory_alloc::framebuffer[core].start,
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framebuffer_width);
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}
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// core = -1 ; core = 1 ; core = 0
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// ta = 0 ; ta = 0 ; ta = 1
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ta_polygon_converter_init2(texture_memory_alloc::isp_tsp_parameters[ta].start,
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texture_memory_alloc::isp_tsp_parameters[ta].end,
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texture_memory_alloc::object_list[ta].start,
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texture_memory_alloc::object_list[ta].end,
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opb_size[0].total(),
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ta_alloc,
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tile_width,
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tile_height);
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transfer_scene(theta);
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theta += degree;
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}
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}
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@ -582,6 +582,19 @@ CUBE_VQ_OBJ = \
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example/cube_vq.elf: LDSCRIPT = $(LIB)/alt.lds
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example/cube_vq.elf: $(START_OBJ) $(CUBE_VQ_OBJ)
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CUBE_VQ_RECTANGULAR_OBJ = \
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example/cube_vq_rectangular.o \
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holly/core.o \
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holly/region_array.o \
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holly/background.o \
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holly/ta_fifo_polygon_converter.o \
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holly/video_output.o \
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sh7091/serial.o \
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texture/panda/panda_rectangular.vq.o
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example/cube_vq_rectangular.elf: LDSCRIPT = $(LIB)/alt.lds
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example/cube_vq_rectangular.elf: $(START_OBJ) $(CUBE_VQ_RECTANGULAR_OBJ)
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SHEIK_OBJ = \
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example/sheik.o \
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holly/core.o \
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124
model/prism.h
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124
model/prism.h
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#include <stddef.h>
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#include "model.h"
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// floating-point
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vertex_position prism_position[] = {
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{1.0, 0.5, -0.5},
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{1.0, -0.5, -0.5},
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{1.0, 0.5, 0.5},
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{1.0, -0.5, 0.5},
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{-1.0, 0.5, -0.5},
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{-1.0, -0.5, -0.5},
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{-1.0, 0.5, 0.5},
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{-1.0, -0.5, 0.5},
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};
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// floating-point
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vertex_texture prism_texture[] = {
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{0.0, 1.0},
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{1.0, 0.0},
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{1.0, 1.0},
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{0.0, 0.0},
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{1.0, 1.0},
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{0.0, 1.0},
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{0.75, 0.0},
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{0.25, 1.0},
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{0.25, 0.0},
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{0.0, 0.0},
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{0.75, 1.0},
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};
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// floating-point
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vertex_normal prism_normal[] = {
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{0.0, 1.0, 0.0},
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{0.0, 0.0, 1.0},
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{-1.0, 0.0, 0.0},
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{0.0, -1.0, 0.0},
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{1.0, 0.0, 0.0},
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{0.0, 0.0, -1.0},
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};
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union triangle prism_Cube_triangle[] = {
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{ .v = {
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{4, 0, 0},
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{2, 1, 0},
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{0, 2, 0},
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}},
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{ .v = {
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{2, 3, 1},
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{7, 4, 1},
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{3, 5, 1},
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}},
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{ .v = {
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{6, 6, 2},
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{5, 7, 2},
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{7, 8, 2},
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}},
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{ .v = {
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{1, 0, 3},
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{7, 1, 3},
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{5, 2, 3},
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}},
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{ .v = {
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{0, 6, 4},
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{3, 7, 4},
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{1, 8, 4},
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}},
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{ .v = {
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{4, 3, 5},
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{1, 4, 5},
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{5, 5, 5},
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}},
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{ .v = {
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{4, 0, 0},
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{6, 9, 0},
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{2, 1, 0},
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}},
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{ .v = {
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{2, 3, 1},
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{6, 1, 1},
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{7, 4, 1},
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}},
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{ .v = {
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{6, 6, 2},
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{4, 10, 2},
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{5, 7, 2},
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}},
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{ .v = {
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{1, 0, 3},
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{3, 9, 3},
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{7, 1, 3},
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}},
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{ .v = {
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{0, 6, 4},
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{2, 10, 4},
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{3, 7, 4},
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}},
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{ .v = {
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{4, 3, 5},
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{0, 1, 5},
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{1, 4, 5},
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}},
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};
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struct object prism_Cube = {
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.triangle = &prism_Cube_triangle[0],
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.quadrilateral = NULL,
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.triangle_count = 12,
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.quadrilateral_count = 0,
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.material = Material,
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};
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struct object * prism_object_list[] = {
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&prism_Cube,
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};
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struct model prism_model = {
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.position = &prism_position[0],
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.texture = &prism_texture[0],
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.normal = &prism_normal[0],
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.object = &prism_object_list[0],
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.object_count = 1,
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};
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12
model/prism.mtl
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12
model/prism.mtl
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# Blender 4.1.1 MTL File: 'None'
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# www.blender.org
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newmtl Material
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Ns 250.000000
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Ka 1.000000 1.000000 1.000000
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Kd 0.800000 0.800000 0.800000
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Ks 0.500000 0.500000 0.500000
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Ke 0.000000 0.000000 0.000000
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Ni 1.450000
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d 1.000000
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illum 2
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Binary file not shown.
BIN
texture/panda/panda_rectangular.vq
Normal file
BIN
texture/panda/panda_rectangular.vq
Normal file
Binary file not shown.
5
texture/panda/panda_rectangular.vq.h
Normal file
5
texture/panda/panda_rectangular.vq.h
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#pragma once
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#include <cstdint>
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extern uint32_t _binary_texture_panda_panda_rectangular_vq_start __asm("_binary_texture_panda_panda_rectangular_vq_start");
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extern uint32_t _binary_texture_panda_panda_rectangular_vq_end __asm("_binary_texture_panda_panda_rectangular_vq_end");
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extern uint32_t _binary_texture_panda_panda_rectangular_vq_size __asm("_binary_texture_panda_panda_rectangular_vq_size");
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86
twiddle.hpp
86
twiddle.hpp
@ -26,37 +26,75 @@ alternately, in verilog syntax:
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assign t = {x[2], y[2], x[1], y[1], x[0], y[0]};
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*/
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constexpr inline uint32_t from_xy(uint32_t x, uint32_t y)
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constexpr inline int log2(uint32_t n)
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{
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switch (n) {
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default:
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case 8: return 3;
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case 16: return 4;
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case 32: return 5;
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case 64: return 6;
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case 128: return 7;
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case 256: return 8;
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case 512: return 9;
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case 1024: return 10;
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}
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}
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constexpr inline uint32_t from_xy(uint32_t x, uint32_t y, uint32_t width, uint32_t height)
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{
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// maximum texture size : 1024x1024
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// maximum 1-dimensional index: 0xfffff
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// bits : 19-0
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// y bits: 0, 2, 4, 6, 8, 10, 12, 14, 16, 18
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// x bits: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19
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int width_max = log2(width);
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int height_max = log2(height);
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uint32_t twiddle_ix = 0;
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for (int i = 0; i <= (20 / 2); i++) {
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twiddle_ix |= ((y >> i) & 1) << (i * 2 + 0);
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twiddle_ix |= ((x >> i) & 1) << (i * 2 + 1);
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for (int i = 0; i < (20 / 2); i++) {
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if (i < width_max && i < height_max) {
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twiddle_ix |= ((y >> i) & 1) << (i * 2 + 0);
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twiddle_ix |= ((x >> i) & 1) << (i * 2 + 1);
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} else if (i < width_max) {
|
||||
twiddle_ix |= ((x >> i) & 1) << (i + height_max);
|
||||
} else if (i < height_max) {
|
||||
twiddle_ix |= ((y >> i) & 1) << (i + width_max);
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return twiddle_ix;
|
||||
}
|
||||
|
||||
static_assert(from_xy(0b000, 0b000) == 0);
|
||||
static_assert(from_xy(0b001, 0b000) == 2);
|
||||
static_assert(from_xy(0b010, 0b000) == 8);
|
||||
static_assert(from_xy(0b011, 0b000) == 10);
|
||||
static_assert(from_xy(0b100, 0b000) == 32);
|
||||
static_assert(from_xy(0b101, 0b000) == 34);
|
||||
static_assert(from_xy(0b110, 0b000) == 40);
|
||||
static_assert(from_xy(0b111, 0b000) == 42);
|
||||
static_assert(from_xy(0b000, 0b000, 8, 8) == 0);
|
||||
static_assert(from_xy(0b001, 0b000, 8, 8) == 2);
|
||||
static_assert(from_xy(0b010, 0b000, 8, 8) == 8);
|
||||
static_assert(from_xy(0b011, 0b000, 8, 8) == 10);
|
||||
static_assert(from_xy(0b100, 0b000, 8, 8) == 32);
|
||||
static_assert(from_xy(0b101, 0b000, 8, 8) == 34);
|
||||
static_assert(from_xy(0b110, 0b000, 8, 8) == 40);
|
||||
static_assert(from_xy(0b111, 0b000, 8, 8) == 42);
|
||||
|
||||
static_assert(from_xy(0b000, 0b001) == 1);
|
||||
static_assert(from_xy(0b000, 0b010) == 4);
|
||||
static_assert(from_xy(0b000, 0b011) == 5);
|
||||
static_assert(from_xy(0b000, 0b100) == 16);
|
||||
static_assert(from_xy(0b000, 0b101) == 17);
|
||||
static_assert(from_xy(0b000, 0b110) == 20);
|
||||
static_assert(from_xy(0b000, 0b111) == 21);
|
||||
static_assert(from_xy(0b000, 0b001, 8, 8) == 1);
|
||||
static_assert(from_xy(0b000, 0b010, 8, 8) == 4);
|
||||
static_assert(from_xy(0b000, 0b011, 8, 8) == 5);
|
||||
static_assert(from_xy(0b000, 0b100, 8, 8) == 16);
|
||||
static_assert(from_xy(0b000, 0b101, 8, 8) == 17);
|
||||
static_assert(from_xy(0b000, 0b110, 8, 8) == 20);
|
||||
static_assert(from_xy(0b000, 0b111, 8, 8) == 21);
|
||||
|
||||
// 1 0 0 0
|
||||
// x bits: 19, 17, 15, 13, 11, 9, 7, 5, 3, 1
|
||||
// y bits: 18, 16, 14, 12, 10, 8, 6, 4, 2, 0
|
||||
static_assert(from_xy(0b1000, 0b001, 16, 8) == 65);
|
||||
static_assert(from_xy(0b1010, 0b001, 16, 8) == 73);
|
||||
|
||||
static_assert(from_xy(0b000, 0b1001, 8, 16) == 65);
|
||||
static_assert(from_xy(0b010, 0b1001, 8, 16) == 73);
|
||||
|
||||
/*
|
||||
constexpr inline std::array<uint32_t, 2>
|
||||
@ -73,7 +111,6 @@ from_ix(uint32_t curve_ix)
|
||||
|
||||
return x_y;
|
||||
}
|
||||
*/
|
||||
|
||||
constexpr inline std::tuple<uint32_t, uint32_t>
|
||||
from_ix(uint32_t curve_ix)
|
||||
@ -110,13 +147,14 @@ static_assert(from_ix(16) == xy_type{0b000, 0b100});
|
||||
static_assert(from_ix(17) == xy_type{0b000, 0b101});
|
||||
static_assert(from_ix(20) == xy_type{0b000, 0b110});
|
||||
static_assert(from_ix(21) == xy_type{0b000, 0b111});
|
||||
*/
|
||||
|
||||
template <typename T>
|
||||
void texture(volatile T * dst, const T * src, const uint32_t width, const uint32_t height)
|
||||
{
|
||||
for (uint32_t y = 0; y < height; y++) {
|
||||
for (uint32_t x = 0; x < width; x++) {
|
||||
uint32_t twiddle_ix = from_xy(x, y);
|
||||
uint32_t twiddle_ix = from_xy(x, y, width, height);
|
||||
T value = src[y * width + x];
|
||||
dst[twiddle_ix] = value;
|
||||
}
|
||||
@ -128,7 +166,7 @@ void texture_4bpp(volatile T * dst, const T * src, const uint32_t width, const u
|
||||
{
|
||||
for (uint32_t y = 0; y < height; y++) {
|
||||
for (uint32_t x = 0; x < width; x++) {
|
||||
uint32_t twiddle_ix = from_xy(x, y);
|
||||
uint32_t twiddle_ix = from_xy(x, y, width, height);
|
||||
T value = src[y * width + x];
|
||||
uint32_t shift = (4 * (twiddle_ix & 1));
|
||||
dst[twiddle_ix / 2] &= ~(0b1111 << shift);
|
||||
@ -137,6 +175,9 @@ void texture_4bpp(volatile T * dst, const T * src, const uint32_t width, const u
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
the following code is not correct
|
||||
|
||||
template <uint32_t dst_bits_per_pixel, typename T, typename U>
|
||||
void texture2(volatile T * dst, const U * src,
|
||||
const uint32_t src_stride,
|
||||
@ -206,5 +247,6 @@ void texture3(volatile T * dst, const U * src,
|
||||
}
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user