moved from h4570/tyra
This commit is contained in:
Sandro Sobczyński
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/*
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# ______ ____ ___
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# | \/ ____| |___|
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# | | | \ | |
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#-----------------------------------------------------------------------
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# Copyright 2020, tyra - https://github.com/h4570/tyra
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# Licenced under Apache License 2.0
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# Sandro Sobczyński <sandro.sobczynski@gmail.com>
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*/
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#include "../include/modules/vif_sender.hpp"
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#include <gs_gp.h>
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#include <dma.h>
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#include <gif_tags.h>
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#include "../include/utils/math.hpp"
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#include "../include/utils/debug.hpp"
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// Similiar set is in PS2SDK, but for VU1 we have to switch ST with RGBAQ, because VU1 must know Q before sending RGBAQ
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#define DRAW_R_STQ_REGLIST ((u64)GIF_REG_ST) << 0 | ((u64)GIF_REG_RGBAQ) << 4 | ((u64)GIF_REG_XYZ2) << 8
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const u32 VU1_PACKAGE_VERTS_PER_BUFF = 96; // Remember to modify buffer size in vu1 also
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const u32 VU1_PACKAGES_PER_PACKET = 6;
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// ----
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// Constructors/Destructors
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// ----
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VifSender::VifSender()
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{
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PRINT_LOG("Initializing VifSender");
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PRINT_LOG("VifSender initialized!");
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}
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VifSender::~VifSender() {}
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// ----
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// Methods
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// ----
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void VifSender::drawMesh(RenderData *t_renderData, Matrix t_perspective, u32 vertCount2, VECTOR *vertices, VECTOR *normals, VECTOR *coordinates, VECTOR *colors, Mesh *t_mesh, LightBulb *t_bulbs, u16 t_bulbsCount)
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{
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if (t_mesh->shouldBeFrustumCulled == 1 && !t_mesh->isInFrustum(t_renderData->frustumPlanes))
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return;
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vec3ToNative(position, t_mesh->position, 1.0F);
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vec3ToNative(rotation, t_mesh->rotation, 1.0F);
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create_local_world(localWorld, position, rotation);
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create_local_screen(localScreen, localWorld, t_renderData->worldView->data, t_perspective.data);
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// TODO Send it once man xd
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vu1.sendSingleRefList(0, &localScreen, 4);
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// we have to split 3D object into small parts, because of small memory of VU1
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for (u32 i = 0; i < vertCount2;)
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{
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vu1.createList();
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for (u8 j = 0; j < VU1_PACKAGES_PER_PACKET; j++) // how many "packages" per one packet
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{
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if (i != 0) // we have to go back to avoid the visual artifacts
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i -= 3;
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const u32 endI = i + (VU1_PACKAGE_VERTS_PER_BUFF - 1) > vertCount2 ? vertCount2 : i + (VU1_PACKAGE_VERTS_PER_BUFF - 1);
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drawVertices(t_mesh, i, endI, vertices, colors, coordinates, t_renderData->prim);
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if (endI == vertCount2) // if there are no more vertices to draw, break
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{
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i = vertCount2;
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break;
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}
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i += (VU1_PACKAGE_VERTS_PER_BUFF - 1);
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i++;
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}
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vu1.sendList();
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}
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}
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/** Draw using PATH1 */
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void VifSender::drawVertices(Mesh *t_mesh, u32 t_start, u32 t_end, VECTOR *t_vertices, VECTOR *t_colors, VECTOR *t_coordinates, prim_t *t_prim)
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{
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const u32 vertCount = t_end - t_start;
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vu1.addListBeginning();
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// TODO get this via screensettings
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vu1.addFloat(2048.0F); // scale
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vu1.addFloat(2048.0F); // scale
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vu1.addFloat(((float)0xFFFFFF) / 32.0F); // scale
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vu1.add32(vertCount); // vertex count
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vu1.add128(GIF_SET_TAG(1, 0, 0, 0, GIF_FLG_PACKED, 1), GIF_REG_AD); // 1x set tag
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vu1.add128( // tex -> lod
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GS_SET_TEX1(
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t_mesh->spec->lod.calculation,
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t_mesh->spec->lod.max_level,
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t_mesh->spec->lod.mag_filter,
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t_mesh->spec->lod.min_filter,
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t_mesh->spec->lod.mipmap_select,
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t_mesh->spec->lod.l,
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(int)(t_mesh->spec->lod.k * 16.0F)),
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GS_REG_TEX1);
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vu1.add128( // tex -> buff + clut
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GS_SET_TEX0(
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t_mesh->spec->textureBuffer.address >> 6,
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t_mesh->spec->textureBuffer.width >> 6,
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t_mesh->spec->textureBuffer.psm,
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t_mesh->spec->textureBuffer.info.width,
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t_mesh->spec->textureBuffer.info.height,
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t_mesh->spec->textureBuffer.info.components,
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t_mesh->spec->textureBuffer.info.function,
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t_mesh->spec->clut.address >> 6,
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t_mesh->spec->clut.psm,
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t_mesh->spec->clut.storage_mode,
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t_mesh->spec->clut.start,
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t_mesh->spec->clut.load_method),
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GS_REG_TEX0);
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vu1.add128(
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GS_GIFTAG(
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vertCount, // amount of loops
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1,
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1,
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GS_PRIM(
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t_prim->type,
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t_prim->shading,
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t_prim->mapping,
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t_prim->fogging,
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t_prim->blending,
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t_prim->antialiasing,
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t_prim->mapping_type,
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0, // context
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t_prim->colorfix),
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GS_GIFTAG_PACKED,
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3), // STQ + RGBA + XYZ
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DRAW_R_STQ_REGLIST);
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for (u8 j = 0; j < 4; j++)
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vu1.add32(128);
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//// Clipping tests start
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// const float minZ = 1;
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// const float maxZ = 65535;
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// const int iGuardDimXY = 2048;
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// vu1.addFloat(1.0F); // TODO clipping maybe there is problem?
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// vu1.addFloat(1.0F);
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// vu1.addFloat(1.0F);
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// vu1.addFloat(1.0F);
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// float xClip = (float)2048.0f/(drawContext.GetFBWidth() * 0.5f * 2.0f);
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// packet += Math::Max( xClip, 1.0f );
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// float yClip = (float)2048.0f/(drawContext.GetFBHeight() * 0.5f * 2.0f);
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// packet += Math::Max( yClip, 1.0f );
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// float depthClip = 2048.0f / depthClipToGs;
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// // FIXME: maybe these 2048's should be 2047.5s...
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// depthClip *= 1.003f; // round up a bit for fp error (????)
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// packet += depthClip;
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// // enable/disable clipping
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// packet += (drawContext.GetDoClipping()) ? 1 : 0;
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u32 depthBits = 24; // or 28(fog) or 16
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float depthClipToGs = (float)((1 << depthBits) - 1) / 2.0f;
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vu1.addFloat(2048.0f / (640.0F * 0.5f * 2.0f));
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vu1.addFloat(2048.0f / (480.0F * 0.5f * 2.0f));
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vu1.addFloat((2048.0f / depthClipToGs) * 1.003F);
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// vu1.addFloat(2048.0F); // scale
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// vu1.addFloat(2048.0F); // scale
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// vu1.addFloat(((float)0xFFFFFF) / 32.0F); // scale
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vu1.addFloat(0.0F);
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// vu1.addFloat(0.5f * iGuardDimXY);
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// vu1.addFloat(-0.5f * iGuardDimXY);
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// vu1.addFloat(1.0F);
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// vu1.addFloat(500.0F); // far
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//// Clipping tests end
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vu1.addListEnding();
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vu1.addReferenceList(0, t_vertices + t_start, 2 * vertCount, 1);
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vu1.addReferenceList(0, t_coordinates + t_start, 2 * vertCount, 1);
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vu1.addStartProgram();
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}
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