RuiFPB/tyra-linux
1
0
Fork 0
Code Issues 1 Pull Requests Actions Packages Projects Releases Wiki Activity
Files
8406dcee72d096b4e6daf96543a2a5689bc47d2d
tyra-linux/src/engine/modules/vif_sender.cpp
T
h4570 8406dcee72 added optimized array mode to draw()
2020-12-26 13:29:37 +01:00

228 lines
8.7 KiB
C++
Raw Blame History

/*
# ______ ____ ___
# | \/ ____| |___|
# | | | \ | |
#-----------------------------------------------------------------------
# Copyright 2020, tyra - https://github.com/h4570/tyra
# Licenced under Apache License 2.0
# Sandro Sobczyński <sandro.sobczynski@gmail.com>
*/
#include "../include/modules/vif_sender.hpp"
#include <gs_gp.h>
#include <dma.h>
#include <gif_tags.h>
#include "../include/utils/math.hpp"
#include "../include/utils/debug.hpp"
const u32 VU1_PACKAGE_VERTS_PER_BUFF = 96; // Remember to modify buffer size in vu1 also
const u32 VU1_PACKAGES_PER_PACKET = 9;
const u32 VU1_PACKET_SIZE = 256; // should be 128, but 256 is more safe for future
const u8 VU1_PARAMS_ADDRESS = 4;
const u8 VU1_RGBA_ADDRESS = 8;
// ----
// Constructors/Destructors
// ----
// VU1 micro program
extern u32 VU1Draw3D_CodeStart __attribute__((section(".vudata")));
extern u32 VU1Draw3D_CodeEnd __attribute__((section(".vudata")));
//
VifSender::VifSender(Light *t_light)
{
PRINT_LOG("Initializing VifSender");
light = t_light;
lastVertCount = 0;
isDrawWaitEnabled = true;
dma_channel_initialize(DMA_CHANNEL_VIF1, NULL, 0);
dma_channel_fast_waits(DMA_CHANNEL_VIF1);
uploadMicroProgram();
packets[0] = packet2_create(VU1_PACKET_SIZE, P2_TYPE_NORMAL, P2_MODE_CHAIN, true);
packets[1] = packet2_create(VU1_PACKET_SIZE, P2_TYPE_NORMAL, P2_MODE_CHAIN, true);
context = 0;
setDoubleBufferAddStaticData();
PRINT_LOG("VifSender initialized!");
}
VifSender::~VifSender()
{
packet2_free(packets[0]);
packet2_free(packets[1]);
}
// ----
// Methods
// ----
void VifSender::uploadMicroProgram()
{
packet2_t *packet2 = packet2_create(
packet2_utils_get_packet_size_for_program(&VU1Draw3D_CodeStart, &VU1Draw3D_CodeEnd) + 1, // + end tag
P2_TYPE_NORMAL,
P2_MODE_CHAIN,
1);
packet2_vif_add_micro_program(packet2, 0, &VU1Draw3D_CodeStart, &VU1Draw3D_CodeEnd);
packet2_utils_vu_add_end_tag(packet2);
dma_channel_wait(DMA_CHANNEL_VIF1, 0);
dma_channel_send_packet2(packet2, DMA_CHANNEL_VIF1, 1);
packet2_free(packet2);
}
void VifSender::calcMatrix(const RenderData &t_renderData, const Vector3 &t_position, const Vector3 &t_rotation)
{
model.identity();
model.rotate(t_rotation);
model.translate(t_position);
modelViewProj.identity();
modelViewProj = model * modelViewProj;
modelViewProj = *t_renderData.view * modelViewProj;
modelViewProj = *t_renderData.projection * modelViewProj;
}
void VifSender::drawMesh(RenderData *t_renderData, Matrix t_perspective, u32 vertCount2, VECTOR *vertices, VECTOR *normals, VECTOR *coordinates, Mesh &t_mesh, LightBulb *t_bulbs, u16 t_bulbsCount, texbuffer_t *textureBuffer)
{
// we have to split 3D object into small parts, because of small memory of VU1
for (u32 i = 0; i < vertCount2;)
{
currPacket = packets[context];
packet2_reset(currPacket, false);
for (u8 j = 0; j < VU1_PACKAGES_PER_PACKET; j++) // how many "packages" per one packet
{
if (i != 0) // we have to go back to avoid the visual artifacts
i -= 3;
const u32 endI = i + (VU1_PACKAGE_VERTS_PER_BUFF - 1) > vertCount2 ? vertCount2 : i + (VU1_PACKAGE_VERTS_PER_BUFF - 1);
drawVertices(t_mesh, i, endI, vertices, coordinates, t_renderData->prim, textureBuffer, isDrawWaitEnabled ? endI == vertCount2 : false);
if (endI == vertCount2) // if there are no more vertices to draw, break
{
i = vertCount2;
break;
}
i += (VU1_PACKAGE_VERTS_PER_BUFF - 1);
i++;
}
packet2_utils_vu_add_end_tag(currPacket);
dma_channel_send_packet2(currPacket, DMA_CHANNEL_VIF1, 1);
dma_channel_wait(DMA_CHANNEL_VIF1, 0);
context = !context;
}
}
void VifSender::setDoubleBufferAddStaticData()
{
packet2_t *settings = packet2_create(10, P2_TYPE_NORMAL, P2_MODE_CHAIN, true);
packet2_utils_vu_open_unpack(settings, 0, false);
{
packet2_utils_gs_add_draw_finish_giftag(settings);
packet2_utils_gif_add_set(settings, 1);
}
packet2_utils_vu_close_unpack(settings);
packet2_utils_vu_add_double_buffer(settings, 10, 498);
packet2_utils_vu_add_end_tag(settings);
dma_channel_send_packet2(settings, DMA_CHANNEL_VIF1, true);
dma_channel_wait(DMA_CHANNEL_VIF1, 0);
packet2_free(settings);
}
/** Draw using PATH1 */
void VifSender::drawVertices(Mesh &t_mesh, u32 t_start, u32 t_end, VECTOR *t_vertices, VECTOR *t_coordinates, prim_t *t_prim, texbuffer_t *t_texBuff, u8 t_addDrawWait)
{
const u32 vertCount = t_end - t_start;
lastVertCount = vertCount;
packet2_utils_vu_open_unpack(currPacket, 0, true);
packet2_add_data(currPacket, modelViewProj.data, 4);
packet2_add_u32(currPacket, t_addDrawWait); // Draw finish?
packet2_add_u32(currPacket, vertCount); // Vertex count
packet2_add_u32(currPacket, vertCount / 3); // Triangles count
packet2_add_u32(currPacket, 0); // Free
packet2_utils_gs_add_lod(currPacket, &t_mesh.lod);
packet2_utils_gs_add_texbuff_clut(currPacket, t_texBuff, &t_mesh.clut);
packet2_utils_gs_add_prim_giftag(currPacket, t_prim, vertCount, DRAW_STQ2_REGLIST, 3, 0);
packet2_add_u32(currPacket, t_mesh.color.r);
packet2_add_u32(currPacket, t_mesh.color.g);
packet2_add_u32(currPacket, t_mesh.color.b);
packet2_add_u32(currPacket, t_mesh.color.a);
u32 vif_added_bytes = packet2_utils_vu_close_unpack(currPacket);
packet2_utils_vu_add_unpack_data(currPacket, vif_added_bytes, t_vertices + t_start, vertCount, true);
vif_added_bytes += vertCount;
packet2_utils_vu_add_unpack_data(currPacket, vif_added_bytes, t_coordinates + t_start, vertCount, true);
vif_added_bytes += vertCount;
packet2_utils_vu_add_start_program(currPacket, 0);
}
void VifSender::drawTheSameWithOtherMatrices(const RenderData &t_renderData, Mesh **t_meshes, const u32 &t_skip, const u32 &t_count)
{
packet2_t *packet2 = packet2_create(300, P2_TYPE_NORMAL, P2_MODE_CHAIN, true);
u8 switchCounter = 0;
u32 i;
for (i = t_skip; i < t_count; i++)
{
model.identity();
model.rotate(t_meshes[i]->rotation);
model.translate(t_meshes[i]->position);
modelViewProj.identity();
modelViewProj = model * modelViewProj;
modelViewProj = *t_renderData.view * modelViewProj;
modelViewProj = *t_renderData.projection * modelViewProj;
packet2_utils_vu_open_unpack(packet2, 0, true);
{
packet2_add_data(packet2, modelViewProj.data, 4);
}
packet2_utils_vu_close_unpack(packet2);
packet2_utils_vu_open_unpack(packet2, VU1_RGBA_ADDRESS, true);
{
packet2_add_u32(packet2, t_meshes[i]->color.r);
packet2_add_u32(packet2, t_meshes[i]->color.g);
packet2_add_u32(packet2, t_meshes[i]->color.b);
packet2_add_u32(packet2, t_meshes[i]->color.a);
}
packet2_utils_vu_close_unpack(packet2);
if (i != t_count - 1)
packet2_utils_vu_add_start_program(packet2, 0);
if (switchCounter++ >= 32)
{
switchCounter = 0;
if (i == t_count - 1) // is last
{
packet2_utils_vu_open_unpack(packet2, VU1_PARAMS_ADDRESS, true);
{
packet2_add_u32(packet2, true); // Draw wait finish?
packet2_add_u32(packet2, lastVertCount); // Vertex count
packet2_add_u32(packet2, lastVertCount / 3); // Triangles count
packet2_add_u32(packet2, 0); // Free
}
packet2_utils_vu_close_unpack(packet2);
packet2_utils_vu_add_start_program(packet2, 0);
}
packet2_utils_vu_add_end_tag(packet2);
dma_channel_wait(DMA_CHANNEL_VIF1, 0);
dma_channel_send_packet2(packet2, DMA_CHANNEL_VIF1, 1);
packet2_reset(packet2, false);
}
}
if (switchCounter != 0)
{
packet2_utils_vu_open_unpack(packet2, VU1_PARAMS_ADDRESS, true);
{
packet2_add_u32(packet2, true); // Draw wait finish?
packet2_add_u32(packet2, lastVertCount); // Vertex count
packet2_add_u32(packet2, lastVertCount / 3); // Triangles count
packet2_add_u32(packet2, 0); // Free
}
packet2_utils_vu_close_unpack(packet2);
packet2_utils_vu_add_start_program(packet2, 0);
packet2_utils_vu_add_end_tag(packet2);
dma_channel_wait(DMA_CHANNEL_VIF1, 0);
dma_channel_send_packet2(packet2, DMA_CHANNEL_VIF1, 1);
}
packet2_free(packet2);
}
Reference in New Issue View Git Blame Copy Permalink