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example: fix video_output example

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This commit is contained in:
Zack Buhman 2024-11-20 01:24:39 -06:00
parent ee695dab8c
commit 81e76ee428
3 changed files with 30 additions and 19 deletions
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2
common.mk
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@ -2,7 +2,7 @@ MAKEFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
DIR := $(dir $(MAKEFILE_PATH))
LIB ?= .
OPT ?= -Og
OPT ?= -O2
GENERATED ?=
AARCH = --isa=sh4 --little

2
example/sprite.cpp
View File

@ -90,7 +90,7 @@ void init_texture_memory(const struct opb_size& opb_size)
void main()
{
serial::init(4);
serial::init(0);
serial::string("main\n");
video_output::set_mode_vga();

41
example/video_output.cpp
View File

@ -14,7 +14,7 @@
#include "holly/texture_memory_alloc.hpp"
#include "holly/background.hpp"
#include "holly/region_array.hpp"
#include "sh7091/store_queue.hpp"
#include "sh7091/serial.hpp"
void print_cable_type_resolution(const uint32_t cable_type, const struct video_output::framebuffer_resolution& framebuffer_resolution)
@ -59,7 +59,7 @@ struct vertex transform_vertex(const struct vertex& v,
};
}
uint32_t transform(uint32_t * ta_parameter_buf,
void transform(uint32_t * ta_parameter_buf,
const struct video_output::framebuffer_resolution& framebuffer_resolution,
const float theta)
{
@ -85,7 +85,7 @@ uint32_t transform(uint32_t * ta_parameter_buf,
constexpr uint32_t base_color = 0xffff0000;
parameter.append<ta_global_parameter::sprite>() =
*reinterpret_cast<ta_global_parameter::sprite *>(store_queue) =
ta_global_parameter::sprite(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
@ -94,18 +94,21 @@ uint32_t transform(uint32_t * ta_parameter_buf,
0, // offset_color
0, // data_size_for_sort_dma
0); // next_address_for_sort_dma
sq_transfer_32byte(ta_fifo_polygon_converter);
parameter.append<ta_vertex_parameter::sprite_type_0>() =
*reinterpret_cast<ta_vertex_parameter::sprite_type_0 *>(store_queue) =
ta_vertex_parameter::sprite_type_0(para_control::para_type::vertex_parameter,
a.x, a.y, a.z,
b.x, b.y, b.z,
c.x, c.y, c.z,
d.x, d.y);
sq_transfer_64byte(ta_fifo_polygon_converter);
// curiously, there is no quad_vertices[3].z in vertex_sprite_type_0
parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
*reinterpret_cast<ta_global_parameter::end_of_list *>(store_queue) =
ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
sq_transfer_32byte(ta_fifo_polygon_converter);
return parameter.offset;
}
void init_texture_memory(const struct opb_size& opb_size, const struct video_output::framebuffer_resolution& framebuffer_resolution)
@ -122,6 +125,7 @@ uint32_t _ta_parameter_buf[((32 + 64 + 32) + 32) / 4];
void main()
{
serial::init(0);
uint32_t * ta_parameter_buf = align_32byte(_ta_parameter_buf);
constexpr uint32_t ta_alloc = ta_alloc_ctrl::pt_opb::no_list
@ -141,13 +145,15 @@ void main()
| softreset::ta_soft_reset;
holly.SOFTRESET = 0;
holly.VO_BORDER_COL = 0xffffff00;
uint32_t cable_type = video_output::get_cable_type();
auto framebuffer_resolution = video_output::set_mode_by_cable_type(cable_type);
print_cable_type_resolution(cable_type, framebuffer_resolution);
init_texture_memory(opb_size, framebuffer_resolution);
core_init();
float theta = 0;
float theta = 10;
uint32_t frame_ix = 0;
while (true) {
@ -155,21 +161,26 @@ void main()
ta_alloc,
framebuffer_resolution.width / 32,
framebuffer_resolution.height / 32);
uint32_t ta_parameter_size = transform(ta_parameter_buf, framebuffer_resolution, theta);
ta_polygon_converter_transfer(ta_parameter_buf, ta_parameter_size);
transform(ta_parameter_buf, framebuffer_resolution, theta);
ta_wait_opaque_list();
core_start_render(framebuffer_resolution.width, // frame_width
frame_ix);
core_start_render2(texture_memory_alloc::region_array.start,
texture_memory_alloc::isp_tsp_parameters.start,
texture_memory_alloc::background.start,
texture_memory_alloc::framebuffer[frame_ix].start,
framebuffer_resolution.width
);
core_wait_end_of_render_video();
while (!spg_status::vsync(holly.SPG_STATUS));
core_flip(frame_ix);
if (cable_type != video_output::get_cable_type()) {
cable_type = video_output::get_cable_type();
framebuffer_resolution = video_output::set_mode_by_cable_type(cable_type);
print_cable_type_resolution(cable_type, framebuffer_resolution);
uint32_t new_cable_type = video_output::get_cable_type();
if (cable_type != new_cable_type) {
framebuffer_resolution = video_output::set_mode_by_cable_type(new_cable_type);
print_cable_type_resolution(new_cable_type, framebuffer_resolution);
init_texture_memory(opb_size, framebuffer_resolution);
cable_type = new_cable_type;
}
while (spg_status::vsync(holly.SPG_STATUS));