void C3D_ImmSendAttrib(float x, float y, float z, float w)
{
union
{
u32 packed[3];
struct
{
u8 x[3];
u8 y[3];
u8 z[3];
u8 w[3];
};
} param;
// Convert the values to float24
write24(param.x, f32tof24(x));
write24(param.y, f32tof24(y));
write24(param.z, f32tof24(z));
write24(param.w, f32tof24(w));
// Reverse the packed words
u32 p = param.packed[0];
param.packed[0] = param.packed[2];
param.packed[2] = p;
// Send the attribute
GPUCMD_AddIncrementalWrites(GPUREG_FIXEDATTRIB_DATA0, param.packed, 3);
}
void GPU_SetScissorTest_(GPU_SCISSORMODE mode, u32 x, u32 y, u32 w, u32 h)
{
u32 param[4];
param[0x0] = mode;
param[0x1] = (y<<16)|(x&0xFFFF);
param[0x2] = ((h-1)<<16)|((w-1)&0xFFFF);
GPUCMD_AddIncrementalWrites(GPUREG_SCISSORTEST_MODE, param, 0x00000003);
//enable depth buffer
param[0x0]=0x0000000F;
param[0x1]=0x0000000F;
param[0x2]=0x00000002;
param[0x3]=0x00000002;
GPUCMD_AddIncrementalWrites(GPUREG_0112, param, 0x00000004);
}
void C3D_UpdateUniforms(GPU_SHADER_TYPE type)
{
int offset = type == GPU_GEOMETRY_SHADER ? (GPUREG_GSH_BOOLUNIFORM-GPUREG_VSH_BOOLUNIFORM) : 0;
int i = 0;
// Update FVec uniforms that come from shader constants
if (C3Di_ShaderFVecData[type].dirty)
{
while (i < C3Di_ShaderFVecData[type].count)
{
float24Uniform_s* u = &C3Di_ShaderFVecData[type].data[i++];
GPUCMD_AddIncrementalWrites(GPUREG_VSH_FLOATUNIFORM_CONFIG+offset, (u32*)u, 4);
C3D_FVUnifDirty[type][u->id] = false;
}
C3Di_ShaderFVecData[type].dirty = false;
i = 0;
}
// Update FVec uniforms
while (i < C3D_FVUNIF_COUNT)
{
if (!C3D_FVUnifDirty[type][i])
{
i ++;
continue;
}
// Find the number of consecutive dirty uniforms
int j;
for (j = i; j < C3D_FVUNIF_COUNT && C3D_FVUnifDirty[type][j]; j ++);
// Upload the uniforms
GPUCMD_AddWrite(GPUREG_VSH_FLOATUNIFORM_CONFIG+offset, 0x80000000|i);
GPUCMD_AddWrites(GPUREG_VSH_FLOATUNIFORM_DATA+offset, (u32*)&C3D_FVUnif[type][i], (j-i)*4);
// Clear the dirty flag
int k;
for (k = i; k < j; k ++)
{
C3D_FVUnifDirty[type][k] = false;
C3Di_FVUnifEverDirty[type][k] = true;
}
// Advance
i += j;
}
// Update IVec uniforms
for (i = 0; i < C3D_IVUNIF_COUNT; i ++)
{
if (!C3D_IVUnifDirty[type][i]) continue;
GPUCMD_AddWrite(GPUREG_VSH_INTUNIFORM_I0+offset+i, C3D_IVUnif[type][i]);
C3D_IVUnifDirty[type][i] = false;
C3Di_IVUnifEverDirty[type][i] = false;
}
// Update bool uniforms
if (C3D_BoolUnifsDirty[type])
{
GPUCMD_AddWrite(GPUREG_VSH_BOOLUNIFORM+offset, 0x7FFF0000 | C3D_BoolUnifs[type]);
C3D_BoolUnifsDirty[type] = false;
}
}
