mirror of https://github.com/zeldaret/mm.git
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
#include "global.h"
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#include "z64viszbuf.h"
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#include "sys_cfb.h"
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#include "libc/stdbool.h"
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#define VISZBUF_ZBUFFRAG_HEIGHT (TMEM_SIZE / (gCfbWidth * G_IM_SIZ_16b_BYTES))
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void VisZbuf_Init(VisZbuf* this) {
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this->useRgba = false;
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this->setScissor = false;
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this->primColor.r = 255;
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this->primColor.g = 255;
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this->primColor.b = 255;
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this->primColor.a = 255;
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this->envColor.r = 0;
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this->envColor.g = 0;
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this->envColor.b = 0;
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this->envColor.a = 255;
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}
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void VisZbuf_Destroy(VisZbuf* this) {
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}
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void VisZbuf_Draw(VisZbuf* this, Gfx** gfxP, void* zbuffer) {
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Gfx* gfx = *gfxP;
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s32 height = VISZBUF_ZBUFFRAG_HEIGHT;
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s32 y;
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s32 fmt = !this->useRgba ? G_IM_FMT_IA : G_IM_FMT_RGBA;
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if (zbuffer == NULL) {
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return;
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}
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gDPPipeSync(gfx++);
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if (this->setScissor == true) {
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gSPDisplayList(gfx++, D_0E000000.setScissor);
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}
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gDPSetOtherMode(gfx++,
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G_AD_DISABLE | G_CD_MAGICSQ | G_CK_NONE | G_TC_FILT | G_TF_POINT | G_TT_NONE | G_TL_TILE |
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G_TD_CLAMP | G_TP_NONE | G_CYC_1CYCLE | G_PM_NPRIMITIVE,
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G_AC_NONE | G_ZS_PRIM | G_RM_OPA_SURF | G_RM_OPA_SURF2);
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gDPSetCombineLERP(gfx++, PRIMITIVE, ENVIRONMENT, TEXEL0, ENVIRONMENT, PRIMITIVE, ENVIRONMENT, TEXEL0, ENVIRONMENT,
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PRIMITIVE, ENVIRONMENT, TEXEL0, ENVIRONMENT, PRIMITIVE, ENVIRONMENT, TEXEL0, ENVIRONMENT);
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gDPSetColor(gfx++, G_SETPRIMCOLOR, this->primColor.rgba);
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gDPSetColor(gfx++, G_SETENVCOLOR, this->envColor.rgba);
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for (y = 0; y < (gCfbHeight - height) + 1; y += height) {
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gDPLoadTextureTile(gfx++, zbuffer, fmt, G_IM_SIZ_16b, gCfbWidth, 0, 0, y, gCfbWidth - 1, (y + height) - 1, 0,
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G_TX_NOMIRROR | G_TX_CLAMP, G_TX_NOMIRROR | G_TX_CLAMP, G_TX_NOMASK, G_TX_NOMASK, G_TX_NOLOD,
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G_TX_NOLOD);
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gSPTextureRectangle(gfx++, 0, y << 2, gCfbWidth << 2, (y + height) << 2, G_TX_RENDERTILE, 0, y << 5, 1 << 10,
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1 << 10);
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}
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gDPPipeSync(gfx++);
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*gfxP = gfx;
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}
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