add sprite_gouraud/texture_memory_alloc3
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8b4b79a705
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@ -209,6 +209,18 @@ WIFFLE_ATTENUATION_OBJ = \
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example/wiffle_attenuation.elf: LDSCRIPT = $(LIB)/main.lds
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example/wiffle_attenuation.elf: $(START_OBJ) $(WIFFLE_ATTENUATION_OBJ)
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WIFFLE_SCREEN_SPACE_OBJ = \
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example/wiffle_screen_space.o \
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holly/video_output.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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sh7091/serial.o
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example/wiffle_screen_space.elf: LDSCRIPT = $(LIB)/main.lds
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example/wiffle_screen_space.elf: $(START_OBJ) $(WIFFLE_SCREEN_SPACE_OBJ)
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MODIFIER_VOLUME_OBJ = \
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example/modifier_volume.o \
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holly/video_output.o \
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@ -713,3 +725,22 @@ TRIANGLE_GOURAUD_OBJ = \
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example/triangle_gouraud.elf: LDSCRIPT = $(LIB)/main.lds
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example/triangle_gouraud.elf: $(START_OBJ) $(TRIANGLE_GOURAUD_OBJ)
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SPRITE_GOURAUD_OBJ = \
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example/sprite_gouraud.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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example/sprite_gouraud.elf: LDSCRIPT = $(LIB)/main.lds
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example/sprite_gouraud.elf: $(START_OBJ) $(SPRITE_GOURAUD_OBJ)
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TEXTURE_MEMORY_OBJ = \
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example/texture_memory.o \
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sh7091/serial.o
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example/texture_memory.elf: LDSCRIPT = $(LIB)/main.lds
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example/texture_memory.elf: $(START_OBJ) $(TEXTURE_MEMORY_OBJ)
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180
example/sprite_gouraud.cpp
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180
example/sprite_gouraud.cpp
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@ -0,0 +1,180 @@
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#include <stdint.h>
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#include "holly/background.hpp"
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#include "holly/core.hpp"
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#include "holly/core_bits.hpp"
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#include "holly/holly.hpp"
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#include "holly/isp_tsp.hpp"
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#include "holly/region_array.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/ta_global_parameter.hpp"
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#include "holly/ta_parameter.hpp"
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#include "holly/ta_vertex_parameter.hpp"
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#include "holly/texture_memory_alloc2.hpp"
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#include "holly/video_output.hpp"
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#include "sh7091/store_queue.hpp"
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#include "sh7091/serial.hpp"
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#include "systembus.hpp"
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#include "memorymap.hpp"
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struct vertex {
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float x;
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float y;
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float z;
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unsigned int base_color;
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};
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// screen space coordinates
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const struct vertex quad_vertices[] = {
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{ 100.607f, 50.f, 0.1f, 0xff0000ff },
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{ 539.393f, 50.f, 0.1f, 0xff00ff00 },
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{ 539.393f, 430.f, 0.1f, 0xff00ff00 },
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{ 100.607f, 430.f, 0.1f, 0xff0000ff },
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};
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void transfer_triangle()
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{
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const uint32_t parameter_control_word = para_control::para_type::sprite
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| para_control::list_type::opaque
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| obj_control::col_type::packed_color;
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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::no_culling;
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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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const uint32_t texture_control_word = 0;
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const uint32_t base_color = 0xffff0000;
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*reinterpret_cast<ta_global_parameter::sprite *>(store_queue) =
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ta_global_parameter::sprite(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,
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base_color,
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0, // offset_color
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0, // data_size_for_sort_dma
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0); // next_address_for_sort_dma
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sq_transfer_32byte(ta_fifo_polygon_converter);
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*reinterpret_cast<ta_vertex_parameter::sprite_type_0 *>(store_queue) =
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ta_vertex_parameter::sprite_type_0(para_control::para_type::vertex_parameter,
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quad_vertices[0].x,
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quad_vertices[0].y,
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quad_vertices[0].z,
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quad_vertices[1].x,
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quad_vertices[1].y,
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quad_vertices[1].z,
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quad_vertices[2].x,
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quad_vertices[2].y,
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quad_vertices[2].z,
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quad_vertices[3].x,
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quad_vertices[3].y);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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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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void main()
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{
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const 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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const int render_passes = 1;
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const 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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const int framebuffer_width = 640;
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const int framebuffer_height = 480;
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const int tile_width = framebuffer_width / 32;
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const 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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background_parameter2(texture_memory_alloc::background[0].start,
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0xff220033);
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while (1) {
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ta_polygon_converter_init2(texture_memory_alloc::isp_tsp_parameters[0].start,
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texture_memory_alloc::isp_tsp_parameters[0].end,
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texture_memory_alloc::object_list[0].start,
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texture_memory_alloc::object_list[0].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_triangle();
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ta_wait_opaque_list();
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//0x80400000
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volatile uint32_t * param_base = &texture_memory32[texture_memory_alloc::isp_tsp_parameters[0].start / 4];
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param_base[0] |= isp_tsp_instruction_word::gouraud_shading;
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//param_base[1]; // tsp
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//param_base[2]; // texture
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//param_base[3]; // x
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//param_base[4]; // y
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//param_base[5]; // z
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param_base[6] = quad_vertices[0].base_color; // base_color
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//param_base[7]; // x
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//param_base[8]; // y
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//param_base[9]; // z
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param_base[10] = quad_vertices[1].base_color; // base_color
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//param_base[11]; // x
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//param_base[12]; // y
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//param_base[13]; // z
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//param_base[14] = quad_vertices[2].base_color; // base_color
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//param_base[15]; // x
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//param_base[16]; // y
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//param_base[17]; // z
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//param_base[18] = quad_vertices[3].base_color; // base_color
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core_start_render2(texture_memory_alloc::region_array[0].start,
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texture_memory_alloc::isp_tsp_parameters[0].start,
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texture_memory_alloc::background[0].start,
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texture_memory_alloc::framebuffer[0].start,
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framebuffer_width);
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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[0].start;
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while (spg_status::vsync(holly.SPG_STATUS));
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break;
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}
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serial::integer<uint32_t>(system.ISTNRM);
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serial::integer<uint32_t>(system.ISTERR);
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serial::string("return\nreturn\nreturn\n");
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}
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325
example/wiffle_screen_space.cpp
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325
example/wiffle_screen_space.cpp
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@ -0,0 +1,325 @@
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#include <cstdint>
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#include "align.hpp"
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#include "holly/video_output.hpp"
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#include "holly/holly.hpp"
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#include "holly/core.hpp"
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#include "holly/core_bits.hpp"
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#include "holly/ta_fifo_polygon_converter.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/isp_tsp.hpp"
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#include "holly/ta_bits.hpp"
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#include "holly/region_array.hpp"
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#include "holly/background.hpp"
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#include "holly/texture_memory_alloc.hpp"
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#include "memorymap.hpp"
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#include "geometry/wiffle.hpp"
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#include "math/vec4.hpp"
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constexpr float half_degree = 0.01745329f / 2;
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#define MODEL wiffle
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vec3 rotate(const vec3& vertex, float theta)
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{
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float x = vertex.x;
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float y = vertex.y;
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float z = vertex.z;
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float t;
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t = y * cos(theta) - z * sin(theta);
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z = y * sin(theta) + z * cos(theta);
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y = t;
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float theta2 = 3.14 * sin(theta / 2);
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t = x * cos(theta2) - z * sin(theta2);
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z = x * sin(theta2) + z * cos(theta2);
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x = t;
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return vec3(x, y, z);
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}
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void transform(ta_parameter_writer& parameter,
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const uint32_t face_ix,
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const float theta,
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const vec3 lights[3])
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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::floating_color
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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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parameter.append<ta_global_parameter::polygon_type_0>() =
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ta_global_parameter::polygon_type_0(parameter_control_word,
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isp_tsp_instruction_word,
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tsp_instruction_word,
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0, // texture_control_word
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0, // data_size_for_sort_dma
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0 // next_address_for_sort_dma
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);
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auto& face = MODEL::faces[face_ix];
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constexpr uint32_t strip_length = 3;
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for (uint32_t i = 0; i < strip_length; i++) {
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// world transform
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uint32_t vertex_ix = face[i].vertex;
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auto& vertex = MODEL::vertices[vertex_ix];
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auto point = rotate(vertex, theta);
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// lighting transform
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uint32_t normal_ix = face[i].normal;
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auto& normal = MODEL::normals[normal_ix];
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auto n = rotate(normal, theta);
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/*
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vec4 color = {0.0, 0.0, 0.0, 1.0};
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// intensity calculation
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{
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auto l = lights[0] - point;
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auto n_dot_l = dot(n, l);
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if (n_dot_l > 0) {
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float distance = magnitude(lights[0] - point);
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float attenuation = 1.0 / (1.0f
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+ 0.07f * distance
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+ 0.007f * (distance * distance));
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color.x += 5.0 * attenuation;
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}
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}
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{
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auto l = lights[1] - point;
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auto n_dot_l = dot(n, l);
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if (n_dot_l > 0) {
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float distance = magnitude(lights[1] - point);
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float attenuation = 1.0 / (1.0f
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+ 0.07f * distance
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+ 0.007f * (distance * distance));
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color.y += 5.0 * attenuation;
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}
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}
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{
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auto l = lights[2] - point;
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auto n_dot_l = dot(n, l);
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if (n_dot_l > 0) {
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float distance = magnitude(lights[2] - point);
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float attenuation = 1.0 / (1.0f
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+ 0.07f * distance
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+ 0.007f * (distance * distance));
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color.z += 9.0 * attenuation;
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}
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}
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*/
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float x = point.x;
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float y = point.y;
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float z = point.z;
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x *= 1;
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y *= 1;
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z *= 1;
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// camera transform
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z += 90;
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// perspective
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x = x / z;
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y = y / z;
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// screen space transform
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x *= 240.f;
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y *= 240.f;
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x += 320.f;
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y += 240.f;
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z = 1 / z;
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float scale_z = ((point.z - -46) / (46 - -46)) * (1 - 0);
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bool end_of_strip = i == strip_length - 1;
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parameter.append<ta_vertex_parameter::polygon_type_1>() =
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ta_vertex_parameter::polygon_type_1(polygon_vertex_parameter_control_word(end_of_strip),
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x, y, z,
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1.0,
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//(point.z + 1) * 90, // alpha
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//__builtin_fabs(n.x), // r
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//__builtin_fabs(n.y), // g
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//__builtin_fabs(n.z) // b
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1 - scale_z,
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1 - scale_z,
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1 - scale_z
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);
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}
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}
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void transform2(ta_parameter_writer& parameter,
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const vec3& pos,
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const vec4& color)
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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::floating_color
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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::no_culling;
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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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parameter.append<ta_global_parameter::polygon_type_0>() =
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ta_global_parameter::polygon_type_0(parameter_control_word,
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isp_tsp_instruction_word,
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tsp_instruction_word,
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0, // texture_control_word
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0, // data_size_for_sort_dma
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0 // next_address_for_sort_dma
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);
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constexpr vec3 triangle[] = {
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{ 0.f, -1.f, 0.f},
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{-1.f, 1.f, 0.f},
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{ 1.f, 1.f, 0.f},
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};
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constexpr uint32_t strip_length = 3;
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for (uint32_t i = 0; i < strip_length; i++) {
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float x = triangle[i].x;
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float y = triangle[i].y;
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float z = triangle[i].z;
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x *= 0.2;
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y *= 0.2;
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z *= 0.2;
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x += pos.x;
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y += pos.y;
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z += pos.z;
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// camera transform
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z += 40;
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// perspective
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x = x / z;
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y = y / z;
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// screen space transform
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x *= 240.f;
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y *= 240.f;
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x += 320.f;
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y += 240.f;
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z = 1 / z;
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bool end_of_strip = i == strip_length - 1;
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parameter.append<ta_vertex_parameter::polygon_type_1>() =
|
||||
ta_vertex_parameter::polygon_type_1(polygon_vertex_parameter_control_word(end_of_strip),
|
||||
x, y, z,
|
||||
color.w, // alpha
|
||||
color.x, // r
|
||||
color.y, // g
|
||||
color.z // b
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
void init_texture_memory(const struct opb_size& opb_size)
|
||||
{
|
||||
region_array2(640 / 32, // width
|
||||
480 / 32, // height
|
||||
opb_size
|
||||
);
|
||||
background_parameter(0xffc0c0c0);
|
||||
}
|
||||
|
||||
uint32_t _ta_parameter_buf[((32 * 8192) + 32) / 4];
|
||||
|
||||
void main()
|
||||
{
|
||||
video_output::set_mode_vga();
|
||||
|
||||
// The address of `ta_parameter_buf` must be a multiple of 32 bytes.
|
||||
// This is mandatory for ch2-dma to the ta fifo polygon converter.
|
||||
uint32_t * ta_parameter_buf = align_32byte(_ta_parameter_buf);
|
||||
|
||||
constexpr uint32_t ta_alloc = ta_alloc_ctrl::pt_opb::no_list
|
||||
| ta_alloc_ctrl::tm_opb::no_list
|
||||
| ta_alloc_ctrl::t_opb::no_list
|
||||
| ta_alloc_ctrl::om_opb::no_list
|
||||
| ta_alloc_ctrl::o_opb::_16x4byte;
|
||||
|
||||
constexpr struct opb_size opb_size = { .opaque = 16 * 4
|
||||
, .opaque_modifier = 0
|
||||
, .translucent = 0
|
||||
, .translucent_modifier = 0
|
||||
, .punch_through = 0
|
||||
};
|
||||
|
||||
holly.SOFTRESET = softreset::pipeline_soft_reset
|
||||
| softreset::ta_soft_reset;
|
||||
holly.SOFTRESET = 0;
|
||||
|
||||
core_init();
|
||||
init_texture_memory(opb_size);
|
||||
|
||||
uint32_t frame_ix = 0;
|
||||
|
||||
float theta = 0;
|
||||
vec3 lights[3] = {
|
||||
{0.f, 0.f, 0.f},
|
||||
{0.f, 0.f, 0.f},
|
||||
{0.f, 0.f, 0.f},
|
||||
};
|
||||
|
||||
while (1) {
|
||||
ta_polygon_converter_init(opb_size.total(),
|
||||
ta_alloc,
|
||||
640 / 32,
|
||||
480 / 32);
|
||||
|
||||
float theta2 = 3.14 * 2 * sin(theta / 7);
|
||||
|
||||
lights[0].x = cos(theta) * 20;
|
||||
lights[0].z = sin(theta) * 20;
|
||||
|
||||
lights[1].x = cos(theta2 + half_degree * 180.f) * 20;
|
||||
lights[1].z = sin(theta2 + half_degree * 180.f) * 20;
|
||||
|
||||
lights[2].x = cos(theta + half_degree * 360.f) * 20;
|
||||
lights[2].z = sin(theta + half_degree * 360.f) * 20;
|
||||
|
||||
auto parameter = ta_parameter_writer(ta_parameter_buf);
|
||||
for (uint32_t i = 0; i < MODEL::num_faces; i++) {
|
||||
transform(parameter, i, theta, lights);
|
||||
}
|
||||
transform2(parameter, lights[0], {1.f, 0.f, 0.f, 1.f});
|
||||
transform2(parameter, lights[1], {0.f, 1.f, 0.f, 1.f});
|
||||
transform2(parameter, lights[2], {0.f, 0.f, 1.f, 1.f});
|
||||
|
||||
parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
|
||||
ta_polygon_converter_transfer(ta_parameter_buf, parameter.offset);
|
||||
ta_wait_opaque_list();
|
||||
core_start_render(frame_ix);
|
||||
core_wait_end_of_render_video();
|
||||
|
||||
while (!spg_status::vsync(holly.SPG_STATUS));
|
||||
core_flip(frame_ix);
|
||||
while (spg_status::vsync(holly.SPG_STATUS));
|
||||
|
||||
theta += half_degree;
|
||||
frame_ix = (frame_ix + 1) & 1;
|
||||
}
|
||||
}
|
||||
37
holly/texture_memory_alloc3.hpp
Normal file
37
holly/texture_memory_alloc3.hpp
Normal file
@ -0,0 +1,37 @@
|
||||
#pragma once
|
||||
|
||||
#include <cstdint>
|
||||
#include <cstddef>
|
||||
|
||||
/*
|
||||
* A 0x10000-byte region array is sufficient for 9 render passes:
|
||||
*
|
||||
* ((640 / 32) * (480 / 32) * 6 * 4) * 9 == 0xfd20
|
||||
*/
|
||||
|
||||
struct texture_memory_alloc__start_end {
|
||||
uint32_t start;
|
||||
uint32_t end;
|
||||
};
|
||||
|
||||
struct texture_memory_alloc {
|
||||
struct texture_memory_alloc__start_end isp_tsp_parameters[2];
|
||||
struct texture_memory_alloc__start_end background[2];
|
||||
struct texture_memory_alloc__start_end object_list[2];
|
||||
struct texture_memory_alloc__start_end region_array[2];
|
||||
struct texture_memory_alloc__start_end framebuffer[2];
|
||||
struct texture_memory_alloc__start_end texture;
|
||||
};
|
||||
|
||||
constexpr texture_memory_alloc texture_memory_alloc = {
|
||||
// bus a bus b
|
||||
// 32-bit addresses start end start end
|
||||
.isp_tsp_parameters = {{0x00'0000, 0x07'ffe0}, {0x40'0000, 0x47'ffe0}}, // 5461 textured triangles
|
||||
.background = {{0x07'ffe0, 0x08'0000}, {0x47'ffe0, 0x48'0000}},
|
||||
.object_list = {{0x08'0000, 0x0f'ffe0}, {0x48'0000, 0x4f'ffe0}}, // ~122880 object list pointers
|
||||
.region_array = {{0x10'0000, 0x11'0000}, {0x50'0000, 0x51'0000}}, // ~9 render passes
|
||||
.framebuffer = {{0x11'0000, 0x1b'8c00}, {0x51'0000, 0x5b'8c00}}, // 720x480*2bpp
|
||||
|
||||
// 64-bit addresses
|
||||
.texture = {0x37'1800, 0x80'0000}
|
||||
};
|
||||
Loading…
x
Reference in New Issue
Block a user