citro3d/source/texenv.c
2017-02-09 19:45:33 +01:00

80 lines
1.5 KiB
C

#include "internal.h"
void TexEnv_Init(C3D_TexEnv* env)
{
env->srcRgb = GPU_TEVSOURCES(GPU_PREVIOUS, 0, 0);
env->srcAlpha = env->srcRgb;
env->opRgb = GPU_TEVOPERANDS(0,0,0);
env->opAlpha = env->opRgb;
env->funcRgb = GPU_REPLACE;
env->funcAlpha = env->funcRgb;
env->color = 0xFFFFFFFF;
env->scaleRgb = GPU_TEVSCALE_1;
env->scaleAlpha = GPU_TEVSCALE_1;
}
C3D_TexEnv* C3D_GetTexEnv(int id)
{
C3D_Context* ctx = C3Di_GetContext();
if (!(ctx->flags & C3DiF_Active))
return NULL;
ctx->flags |= C3DiF_TexEnv(id);
return &ctx->texEnv[id];
}
void C3D_SetTexEnv(int id, C3D_TexEnv* env)
{
C3D_Context* ctx = C3Di_GetContext();
if (!(ctx->flags & C3DiF_Active))
return;
memcpy(&ctx->texEnv[id], env, sizeof(*env));
ctx->flags |= C3DiF_TexEnv(id);
}
void C3Di_TexEnvBind(int id, C3D_TexEnv* env)
{
if (id >= 4) id += 2;
GPUCMD_AddIncrementalWrites(GPUREG_TEXENV0_SOURCE + id*8, (u32*)env, sizeof(C3D_TexEnv)/sizeof(u32));
}
void C3D_TexEnvBufUpdate(int mode, int mask)
{
C3D_Context* ctx = C3Di_GetContext();
if (!(ctx->flags & C3DiF_Active))
return;
u32 val = ctx->texEnvBuf;
mask &= 0xF;
if (mode & C3D_RGB)
{
val &= ~(0xF << 8);
val |= mask << 8;
}
if (mode & C3D_Alpha)
{
val &= ~(0xF << 12);
val |= mask << 12;
}
ctx->texEnvBuf = val;
ctx->flags |= C3DiF_TexEnvBuf;
}
void C3D_TexEnvBufColor(u32 color)
{
C3D_Context* ctx = C3Di_GetContext();
if (!(ctx->flags & C3DiF_Active))
return;
ctx->texEnvBufClr = color;
ctx->flags |= C3DiF_TexEnvBuf;
}