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macaw_multipass: fix example

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The prior issue with this example was almost certainly related to OPB
overflow, due to an incorrect tile area calculation.
This commit is contained in:
Zack Buhman 2024-03-09 18:39:46 +08:00
parent ae7f35191d
commit 3a92dd070c
1 changed files with 70 additions and 16 deletions
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80
example/macaw_multipass.cpp
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@ -1,17 +1,20 @@
#include <cstdint>
#include "align.hpp"
#include "holly/video_output.hpp"
#include "holly/texture_memory_alloc.hpp"
#include "holly.hpp"
#include "holly/holly.hpp"
#include "holly/core.hpp"
#include "holly/core_bits.hpp"
#include "holly/ta_fifo_polygon_converter.hpp"
#include "holly/ta_parameter.hpp"
#include "holly/ta_global_parameter.hpp"
#include "holly/ta_vertex_parameter.hpp"
#include "holly/ta_bits.hpp"
#include "holly/background.hpp"
#include "holly/isp_tsp.hpp"
#include "holly/region_array.hpp"
#include "holly/background.hpp"
#include "holly/video_output.hpp"
#include "memorymap.hpp"
#include "macaw.hpp"
@ -43,13 +46,58 @@ uint32_t transform(uint32_t * ta_parameter_buf,
const uint32_t render_pass)
{
auto parameter = ta_parameter_writer(ta_parameter_buf);
uint32_t texture_address = (offsetof (struct texture_memory_alloc, texture));
const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
| isp_tsp_instruction_word::culling_mode::no_culling;
if (render_pass == 0) {
// textured
parameter.append<global_polygon_type_0>() = global_polygon_type_0(texture_address);
const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
| para_control::list_type::opaque
| obj_control::col_type::packed_color
| obj_control::texture;
const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
| tsp_instruction_word::dst_alpha_instr::zero
| tsp_instruction_word::fog_control::no_fog
| tsp_instruction_word::texture_u_size::from_int(128)
| tsp_instruction_word::texture_v_size::from_int(128);
const uint32_t texture_address = (offsetof (struct texture_memory_alloc, texture));
const uint32_t texture_control_word = texture_control_word::pixel_format::_565
| texture_control_word::scan_order::non_twiddled
| texture_control_word::texture_address(texture_address / 8);
parameter.append<ta_global_parameter::polygon_type_0>() =
ta_global_parameter::polygon_type_0(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
texture_control_word,
0, // data_size_for_sort_dma
0 // next_address_for_sort_dma
);
} else {
// untextured
parameter.append<global_polygon_type_0>() = global_polygon_type_0();
const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
| para_control::list_type::translucent
| obj_control::col_type::packed_color
| obj_control::gouraud;
const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::src_alpha
| tsp_instruction_word::dst_alpha_instr::src_alpha
| tsp_instruction_word::fog_control::no_fog
| tsp_instruction_word::use_alpha;
const uint32_t texture_control_word = 0;
parameter.append<ta_global_parameter::polygon_type_0>() =
ta_global_parameter::polygon_type_0(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
texture_control_word,
0, // data_size_for_sort_dma
0 // next_address_for_sort_dma
);
}
for (uint32_t i = 0; i < strip_length; i++) {
@ -69,15 +117,17 @@ uint32_t transform(uint32_t * ta_parameter_buf,
y += 240.f;
z = 1.f / (z + 10.f);
parameter.append<vertex_polygon_type_3>() =
vertex_polygon_type_3(x, y, z,
parameter.append<ta_vertex_parameter::polygon_type_3>() =
ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(end_of_strip),
x, y, z,
strip_vertices[i].u,
strip_vertices[i].v,
strip_vertices[i].color,
end_of_strip);
0 // offset color
);
}
parameter.append<global_end_of_list>() = global_end_of_list();
parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
return parameter.offset;
}
@ -86,7 +136,7 @@ void init_texture_memory(uint32_t render_passes)
{
auto mem = reinterpret_cast<volatile texture_memory_alloc *>(texture_memory32);
background_parameter(mem->background);
background_parameter(mem->background, 0xff00ff00);
region_array_multipass(mem->region_array,
(offsetof (struct texture_memory_alloc, object_list)),
@ -163,13 +213,17 @@ void main()
while (true) {
// first render pass
ta_polygon_converter_init((opb_size[0].total() + opb_size[1].total()) * tiles, ta_alloc[0]);
ta_polygon_converter_init(opb_size[0].total() + opb_size[1].total(),
ta_alloc[0],
640 / 32,
480 / 32);
ta_parameter_size[0] = transform(ta_parameter_buf, strip_vertices, strip_length, 0);
ta_polygon_converter_transfer(ta_parameter_buf, ta_parameter_size[0]);
ta_wait_opaque_list();
// second render pass
ta_polygon_converter_cont(opb_size[0].total() * tiles, ta_alloc[1]);
ta_polygon_converter_cont(opb_size[0].total() * tiles,
ta_alloc[1]);
ta_parameter_size[1] = transform(ta_parameter_buf, strip_vertices, strip_length, 1);
ta_polygon_converter_transfer(ta_parameter_buf, ta_parameter_size[1]);
ta_wait_translucent_list();