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example/scanner: translucent modifier volume

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This commit is contained in:
Zack Buhman 2025-05-29 12:49:20 -05:00
parent 80b09fbaf4
commit 645df4c665
9 changed files with 310 additions and 73 deletions
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2
example/example.mk
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@ -1185,7 +1185,7 @@ SCANNER_OBJ = \
model/scanner/Bones.data.o \
model/scanner/Dino.data.o \
model/scanner/powervr.data.o \
model/scanner/Scanner.data.o \
model/scanner/smoke.data.o \
model/scanner/Surface.data.o \
$(LIBGCC)

309
example/scanner.cpp
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@ -45,7 +45,8 @@
#include "model/scanner/Bones.data.h"
#include "model/scanner/Dino.data.h"
#include "model/scanner/powervr.data.h"
#include "model/scanner/Scanner.data.h"
//#include "model/scanner/Scanner.data.h"
#include "model/scanner/smoke.data.h"
#include "model/scanner/Surface.data.h"
struct material {
@ -77,6 +78,7 @@ const material materials[] = {
.offset = 262144,
.dimension = 256,
},
/*
[Mt_SCANNER] = // 131072 model/scanner/Scanner.data
{
.start = (void *)&_binary_model_scanner_Scanner_data_start,
@ -84,18 +86,26 @@ const material materials[] = {
.offset = 393216,
.dimension = 256,
},
*/
[Mt_SCANNER] = // 524288 model/scanner/smoke.data
{
.start = (void *)&_binary_model_scanner_smoke_data_start,
.size = (uint32_t)&_binary_model_scanner_smoke_data_size,
.offset = 393216,
.dimension = 512,
},
[Mt_LOGO] = // 524288 model/scanner/powervr.data
{
.start = (void *)&_binary_model_scanner_powervr_data_start,
.size = (uint32_t)&_binary_model_scanner_powervr_data_size,
.offset = 524288,
.offset = 917504,
.dimension = 512,
},
[Mt_BACKGROUND] = // 131072 model/scanner/Back.data
{
.start = (void *)&_binary_model_scanner_Back_data_start,
.size = (uint32_t)&_binary_model_scanner_Back_data_size,
.offset = 1048576,
.offset = 1441792,
.dimension = 256,
},
};
@ -159,18 +169,19 @@ const int tile_height = framebuffer_height / 32;
constexpr uint32_t ta_alloc = 0
| 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::_32x4byte
| ta_alloc_ctrl::o_opb::_32x4byte;
| ta_alloc_ctrl::tm_opb::_32x4byte
| ta_alloc_ctrl::t_opb::_32x4byte
//| ta_alloc_ctrl::om_opb::_32x4byte
| ta_alloc_ctrl::o_opb::_32x4byte
;
constexpr int ta_cont_count = 1;
constexpr struct opb_size opb_size[ta_cont_count] = {
{
.opaque = 32 * 4,
.opaque_modifier = 32 * 4,
.translucent = 0,
.translucent_modifier = 0,
//.opaque_modifier = 32 * 4,
.translucent = 32 * 4,
.translucent_modifier = 32 * 4,
.punch_through = 0
}
};
@ -229,7 +240,10 @@ void vbr600()
if (isterr) {
serial::string("isterr: ");
serial::integer<uint32_t>(system.ISTERR);
serial::integer<uint32_t>(isterr);
if (isterr & 1) {
system.ISTERR = 1;
}
}
pump_events(istnrm);
@ -247,10 +261,7 @@ void vbr600()
void global_polygon_type_1(ta_parameter_writer& writer,
uint32_t para_control_obj_control,
uint32_t nMaterial,
const float a = 1.0f,
const float r = 1.0f,
const float g = 1.0f,
const float b = 1.0f
float a
)
{
const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
@ -261,16 +272,27 @@ void global_polygon_type_1(ta_parameter_writer& writer,
;
const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater_or_equal
| isp_tsp_instruction_word::culling_mode::no_culling
| isp_tsp_instruction_word::culling_mode::cull_if_negative
| tsp_instruction_word::filter_mode::bilinear_filter
;
const material& m = materials[nMaterial];
const uint32_t tsp_instruction_word = tsp_instruction_word::fog_control::no_fog
| tsp_instruction_word::texture_shading_instruction::decal
| tsp_instruction_word::src_alpha_instr::one
uint32_t blending;
if (a == 1.0f) {
blending = tsp_instruction_word::src_alpha_instr::one
| tsp_instruction_word::dst_alpha_instr::zero
| tsp_instruction_word::texture_shading_instruction::modulate
;
} else {
blending = tsp_instruction_word::src_alpha_instr::src_alpha
| tsp_instruction_word::dst_alpha_instr::inverse_src_alpha
| tsp_instruction_word::use_alpha
| tsp_instruction_word::texture_shading_instruction::modulate_alpha
;
}
uint32_t tsp_instruction_word = tsp_instruction_word::fog_control::no_fog
| blending
| tsp_instruction_word::texture_u_size::from_int(m.dimension)
| tsp_instruction_word::texture_v_size::from_int(m.dimension)
;
@ -280,6 +302,10 @@ void global_polygon_type_1(ta_parameter_writer& writer,
| texture_control_word::scan_order::twiddled
| texture_control_word::texture_address(texture_address / 8);
const float r = 1.0f;
const float g = 1.0f;
const float b = 1.0f;
writer.append<ta_global_parameter::polygon_type_1>() =
ta_global_parameter::polygon_type_1(parameter_control_word,
isp_tsp_instruction_word,
@ -292,6 +318,111 @@ void global_polygon_type_1(ta_parameter_writer& writer,
);
}
void global_polygon_type_4(ta_parameter_writer& writer,
uint32_t para_control_obj_control,
uint32_t nMaterial,
float a
)
{
const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
| obj_control::col_type::intensity_mode_1
| obj_control::gouraud
| obj_control::texture
| para_control_obj_control
| obj_control::volume::polygon::with_two_volumes
| obj_control::shadow
;
const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater_or_equal
| isp_tsp_instruction_word::culling_mode::no_culling
| tsp_instruction_word::filter_mode::bilinear_filter
;
const material& m = materials[nMaterial];
const uint32_t tsp_instruction_word_0 = tsp_instruction_word::fog_control::no_fog
| tsp_instruction_word::texture_shading_instruction::modulate
| tsp_instruction_word::src_alpha_instr::one
| tsp_instruction_word::dst_alpha_instr::zero
| tsp_instruction_word::texture_u_size::from_int(m.dimension)
| tsp_instruction_word::texture_v_size::from_int(m.dimension)
;
const uint32_t tsp_instruction_word_1 = tsp_instruction_word::fog_control::no_fog
| tsp_instruction_word::texture_shading_instruction::modulate_alpha
| tsp_instruction_word::src_alpha_instr::src_alpha
| tsp_instruction_word::dst_alpha_instr::inverse_src_alpha
| tsp_instruction_word::use_alpha
| tsp_instruction_word::texture_u_size::from_int(m.dimension)
| tsp_instruction_word::texture_v_size::from_int(m.dimension)
;
uint32_t texture_address = texture_memory_alloc.texture.start + m.offset;
uint32_t texture_control_word = texture_control_word::pixel_format::_565
| texture_control_word::scan_order::twiddled
| texture_control_word::texture_address(texture_address / 8);
uint32_t texture_control_word_0 = texture_control_word;
uint32_t texture_control_word_1 = texture_control_word;
const float a_0 = 1.0f;
const float r_0 = 1.0f;
const float g_0 = 1.0f;
const float b_0 = 1.0f;
const float a_1 = 0.5f;
const float r_1 = 0.5f;
const float g_1 = 0.5f;
const float b_1 = 0.5f;
writer.append<ta_global_parameter::polygon_type_4>() =
ta_global_parameter::polygon_type_4(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word_0,
texture_control_word_0,
tsp_instruction_word_1,
texture_control_word_1,
0, // data_size_for_sort_dma
0, // next_address_for_sort_dma
a_0,
r_0,
g_0,
b_0,
a_1,
r_1,
g_1,
b_1
);
}
void global_polygon_modifier_volume(ta_parameter_writer& writer, uint32_t control)
{
uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
| control
;
uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::volume_instruction::normal_polygon
| isp_tsp_instruction_word::culling_mode::no_culling;
writer.append<ta_global_parameter::modifier_volume>() =
ta_global_parameter::modifier_volume(parameter_control_word,
isp_tsp_instruction_word);
}
void global_polygon_modifier_volume_last_in_volume(ta_parameter_writer& writer, uint32_t control)
{
const uint32_t last_parameter_control_word = para_control::para_type::polygon_or_modifier_volume
| control
| obj_control::volume::modifier_volume::last_in_volume;
const uint32_t last_isp_tsp_instruction_word = isp_tsp_instruction_word::volume_instruction::inside_last_polygon
| isp_tsp_instruction_word::culling_mode::no_culling;
writer.append<ta_global_parameter::modifier_volume>() =
ta_global_parameter::modifier_volume(last_parameter_control_word,
last_isp_tsp_instruction_word);
}
static inline vec3 screen_transform(vec3 v)
{
float dim = 480; // * 2.0;
@ -303,17 +434,6 @@ static inline vec3 screen_transform(vec3 v)
};
}
static uint32_t random = 0x12345678;
uint32_t xorshift()
{
uint32_t x = random;
x ^= x << 13;
x ^= x >> 17;
x ^= x << 5;
return random = x;
}
#define fsrra(n) (1.0f / (sqrt(n)))
static inline void render_quad(ta_parameter_writer& writer,
@ -370,7 +490,15 @@ void transfer_line(ta_parameter_writer& writer, vec3 p1, vec3 p2)
const vec3 _light = {10, 5, 10};
void transfer_mesh(ta_parameter_writer& writer, const mat4x4& screen_trans, const Struct_Mesh& mesh)
template <void (*global_polygon_type_N)(ta_parameter_writer&, uint32_t, uint32_t, float) = global_polygon_type_1, bool two_volumes = false>
void transfer_mesh(ta_parameter_writer& writer,
ta_parameter_writer& mv_writer,
const mat4x4& screen_trans,
const Struct_Mesh& mesh,
uint32_t control,
uint32_t mv_control,
bool modifier_volume,
float a = 1.0f)
{
vec3 position[mesh.nNumVertex];
static_assert((sizeof (vec3)) == 3 * 4);
@ -393,11 +521,13 @@ void transfer_mesh(ta_parameter_writer& writer, const mat4x4& screen_trans, cons
position[i] = screen_transform(pos);
}
int ix = 0;
if (1) {
global_polygon_type_N(writer,
control,
mesh.nMaterial,
a);
global_polygon_type_1(writer,
para_control::list_type::opaque,
mesh.nMaterial);
int ix = 0;
for (int i = 0; i < (int)mesh.nNumStrips; i++) {
int strip_length = mesh.pStripLength[i];
@ -410,27 +540,96 @@ void transfer_mesh(ta_parameter_writer& writer, const mat4x4& screen_trans, cons
ix += 1;
bool end_of_strip = (j == (strip_length + 1));
if constexpr (two_volumes) {
writer.append<ta_vertex_parameter::polygon_type_13>() =
ta_vertex_parameter::polygon_type_13(polygon_vertex_parameter_control_word(end_of_strip),
p.x, p.y, p.z,
t.x, t.y,
li, 0,
t.x, t.y,
li, 0);
} else {
writer.append<ta_vertex_parameter::polygon_type_7>() =
ta_vertex_parameter::polygon_type_7(polygon_vertex_parameter_control_word(end_of_strip),
p.x, p.y, p.z,
t.x, t.y,
li, 0);
}
}
}
}
void transfer_scene(ta_parameter_writer& writer, const mat4x4& screen_trans)
if (modifier_volume) {
global_polygon_modifier_volume(mv_writer, mv_control);
for (int i = 0; i < (int)mesh.nNumFaces; i++) {
int a_ix = mesh.pFaces[i * 3 + 0];
int b_ix = mesh.pFaces[i * 3 + 1];
int c_ix = mesh.pFaces[i * 3 + 2];
vec3 ap = position[a_ix];
vec3 bp = position[b_ix];
vec3 cp = position[c_ix];
if (i == ((int)mesh.nNumFaces - 1)) {
global_polygon_modifier_volume_last_in_volume(mv_writer, mv_control);
}
mv_writer.append<ta_vertex_parameter::modifier_volume>() =
ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
ap.x, ap.y, ap.z,
bp.x, bp.y, bp.z,
cp.x, cp.y, cp.z);
}
}
}
void transfer_scene(ta_parameter_writer& op_writer,
ta_parameter_writer& tl_writer,
ta_parameter_writer& tl_mv_writer,
const mat4x4& screen_trans)
{
// opaque list
{
for (int i = 0; i < NUM_MESHES; i++) {
transfer_mesh(writer, screen_trans, Mesh[i]);
if (i == M_SCANNER) {
transfer_mesh<global_polygon_type_1>(tl_writer,
tl_mv_writer,
screen_trans,
Mesh[i],
para_control::list_type::translucent,
para_control::list_type::translucent_modifier_volume,
true, // modifier volume
0.5f);
} else if (i == M_DINOSKIN) {
transfer_mesh<global_polygon_type_4, true>(tl_writer,
tl_mv_writer,
screen_trans,
Mesh[i],
para_control::list_type::translucent | obj_control::shadow,
para_control::list_type::translucent_modifier_volume,
false); // modifier volume
} else {
transfer_mesh<global_polygon_type_1>(op_writer,
op_writer,
screen_trans,
Mesh[i],
para_control::list_type::opaque,
para_control::list_type::opaque_modifier_volume,
false); // modifier volume
}
}
}
writer.append<ta_global_parameter::end_of_list>() =
op_writer.append<ta_global_parameter::end_of_list>() =
ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
tl_writer.append<ta_global_parameter::end_of_list>() =
ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
tl_mv_writer.append<ta_global_parameter::end_of_list>() =
ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
}
}
mat4x4 update_analog(mat4x4& screen_trans)
@ -502,8 +701,9 @@ void transfer_textures()
transfer_scene_textures();
}
uint8_t __attribute__((aligned(32))) ta_parameter_buf1[1024 * 1024 * 2];
uint8_t __attribute__((aligned(32))) ta_parameter_buf1[1024 * 1024];
uint8_t __attribute__((aligned(32))) ta_parameter_buf2[1024 * 1024];
uint8_t __attribute__((aligned(32))) ta_parameter_buf3[1024 * 1024];
int main()
{
@ -526,8 +726,7 @@ int main()
transfer_textures();
holly.FPU_SHAD_SCALE = fpu_shad_scale::simple_shadow_enable::intensity_volume_mode
| fpu_shad_scale::scale_factor_for_shadows(128);
holly.FPU_SHAD_SCALE = fpu_shad_scale::simple_shadow_enable::parameter_selection_volume_mode;
system.IML6NRM = istnrm::end_of_render_tsp
| istnrm::v_blank_in
@ -543,15 +742,16 @@ int main()
background_parameter2(texture_memory_alloc.background[0].start,
0xff202040);
ta_parameter_writer tl_writer = ta_parameter_writer(ta_parameter_buf1, (sizeof (ta_parameter_buf1)));
ta_parameter_writer sv_writer = ta_parameter_writer(ta_parameter_buf2, (sizeof (ta_parameter_buf2)));
ta_parameter_writer op_writer = ta_parameter_writer(ta_parameter_buf1, (sizeof (ta_parameter_buf1)));
ta_parameter_writer tl_writer = ta_parameter_writer(ta_parameter_buf2, (sizeof (ta_parameter_buf2)));
ta_parameter_writer tl_mv_writer = ta_parameter_writer(ta_parameter_buf3, (sizeof (ta_parameter_buf3)));
video_output::set_mode_vga();
mat4x4 screen_trans = {
1, 0, 0, 0,
0, -1, 0, 0,
0, 0, 1, 160,
0, 0, 1, 190,
0, 0, 0, 1,
};
@ -562,9 +762,13 @@ int main()
screen_trans = update_analog(screen_trans);
op_writer.offset = 0;
tl_writer.offset = 0;
sv_writer.offset = 0;
transfer_scene(tl_writer, screen_trans);
tl_mv_writer.offset = 0;
transfer_scene(op_writer,
tl_writer,
tl_mv_writer,
screen_trans);
while (ta_in_use);
while (core_in_use);
@ -577,9 +781,18 @@ int main()
ta_alloc,
tile_width,
tile_height);
ta_polygon_converter_writeback(tl_mv_writer.buf, tl_mv_writer.offset);
ta_polygon_converter_transfer(tl_mv_writer.buf, tl_mv_writer.offset);
ta_wait_translucent_modifier_volume_list();
ta_polygon_converter_writeback(tl_writer.buf, tl_writer.offset);
ta_polygon_converter_transfer(tl_writer.buf, tl_writer.offset);
ta_wait_translucent_list();
ta_polygon_converter_writeback(op_writer.buf, op_writer.offset);
ta_polygon_converter_transfer(op_writer.buf, op_writer.offset);
int count = 0;
while (next_frame == 0);
next_frame = 0;
}

7
holly/ta_fifo_polygon_converter.cpp
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@ -170,6 +170,13 @@ void ta_wait_translucent_list()
system.ISTNRM = istnrm::end_of_transferring_translucent_list;
}
void ta_wait_translucent_modifier_volume_list()
{
while ((system.ISTNRM & istnrm::end_of_transferring_translucent_modifier_volume_list) == 0);
system.ISTNRM = istnrm::end_of_transferring_translucent_modifier_volume_list;
}
void ta_wait_punch_through_list()
{
while ((system.ISTNRM & istnrm::end_of_transferring_punch_through_list) == 0);

1
holly/ta_fifo_polygon_converter.hpp
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@ -22,4 +22,5 @@ void ta_polygon_converter_transfer(void const * const buf, uint32_t size);
void ta_wait_opaque_list();
void ta_wait_opaque_modifier_volume_list();
void ta_wait_translucent_list();
void ta_wait_translucent_modifier_volume_list();
void ta_wait_punch_through_list();

13
model/scanner/powervr.data
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model/scanner/smoke.data Normal file
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15
model/scanner/smoke.data.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
extern uint32_t _binary_model_scanner_smoke_data_start __asm("_binary_model_scanner_smoke_data_start");
extern uint32_t _binary_model_scanner_smoke_data_end __asm("_binary_model_scanner_smoke_data_end");
extern uint32_t _binary_model_scanner_smoke_data_size __asm("_binary_model_scanner_smoke_data_size");
#ifdef __cplusplus
}
#endif

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