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#ifndef NVFX_TEX_H_
#define NVFX_TEX_H_
static inline unsigned
nvfx_tex_wrap_mode(unsigned wrap) {
unsigned ret;
switch (wrap) {
case PIPE_TEX_WRAP_REPEAT:
ret = NV34TCL_TX_WRAP_S_REPEAT;
break;
case PIPE_TEX_WRAP_MIRROR_REPEAT:
ret = NV34TCL_TX_WRAP_S_MIRRORED_REPEAT;
break;
case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
ret = NV34TCL_TX_WRAP_S_CLAMP_TO_EDGE;
break;
case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
ret = NV34TCL_TX_WRAP_S_CLAMP_TO_BORDER;
break;
case PIPE_TEX_WRAP_CLAMP:
ret = NV34TCL_TX_WRAP_S_CLAMP;
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
ret = NV40TCL_TEX_WRAP_S_MIRROR_CLAMP_TO_EDGE;
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
ret = NV40TCL_TEX_WRAP_S_MIRROR_CLAMP_TO_BORDER;
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP:
ret = NV40TCL_TEX_WRAP_S_MIRROR_CLAMP;
break;
default:
NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
ret = NV34TCL_TX_WRAP_S_REPEAT;
break;
}
return ret >> NV34TCL_TX_WRAP_S_SHIFT;
}
static inline unsigned
nvfx_tex_wrap_compare_mode(const struct pipe_sampler_state* cso)
{
if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
switch (cso->compare_func) {
case PIPE_FUNC_NEVER:
return NV34TCL_TX_WRAP_RCOMP_NEVER;
case PIPE_FUNC_GREATER:
return NV34TCL_TX_WRAP_RCOMP_GREATER;
case PIPE_FUNC_EQUAL:
return NV34TCL_TX_WRAP_RCOMP_EQUAL;
case PIPE_FUNC_GEQUAL:
return NV34TCL_TX_WRAP_RCOMP_GEQUAL;
case PIPE_FUNC_LESS:
return NV34TCL_TX_WRAP_RCOMP_LESS;
case PIPE_FUNC_NOTEQUAL:
return NV34TCL_TX_WRAP_RCOMP_NOTEQUAL;
case PIPE_FUNC_LEQUAL:
return NV34TCL_TX_WRAP_RCOMP_LEQUAL;
case PIPE_FUNC_ALWAYS:
return NV34TCL_TX_WRAP_RCOMP_ALWAYS;
default:
break;
}
}
return 0;
}
static inline unsigned nvfx_tex_filter(const struct pipe_sampler_state* cso)
{
unsigned filter = 0;
switch (cso->mag_img_filter) {
case PIPE_TEX_FILTER_LINEAR:
filter |= NV34TCL_TX_FILTER_MAGNIFY_LINEAR;
break;
case PIPE_TEX_FILTER_NEAREST:
default:
filter |= NV34TCL_TX_FILTER_MAGNIFY_NEAREST;
break;
}
switch (cso->min_img_filter) {
case PIPE_TEX_FILTER_LINEAR:
switch (cso->min_mip_filter) {
case PIPE_TEX_MIPFILTER_NEAREST:
filter |= NV34TCL_TX_FILTER_MINIFY_LINEAR_MIPMAP_NEAREST;
break;
case PIPE_TEX_MIPFILTER_LINEAR:
filter |= NV34TCL_TX_FILTER_MINIFY_LINEAR_MIPMAP_LINEAR;
break;
case PIPE_TEX_MIPFILTER_NONE:
default:
filter |= NV34TCL_TX_FILTER_MINIFY_LINEAR;
break;
}
break;
case PIPE_TEX_FILTER_NEAREST:
default:
switch (cso->min_mip_filter) {
case PIPE_TEX_MIPFILTER_NEAREST:
filter |= NV34TCL_TX_FILTER_MINIFY_NEAREST_MIPMAP_NEAREST;
break;
case PIPE_TEX_MIPFILTER_LINEAR:
filter |= NV34TCL_TX_FILTER_MINIFY_NEAREST_MIPMAP_LINEAR;
break;
case PIPE_TEX_MIPFILTER_NONE:
default:
filter |= NV34TCL_TX_FILTER_MINIFY_NEAREST;
break;
}
break;
}
return filter;
}
static inline unsigned nvfx_tex_border_color(const float* border_color)
{
return ((float_to_ubyte(border_color[3]) << 24) |
(float_to_ubyte(border_color[0]) << 16) |
(float_to_ubyte(border_color[1]) << 8) |
(float_to_ubyte(border_color[2]) << 0));
}
struct nvfx_sampler_state {
uint32_t fmt;
uint32_t wrap;
uint32_t en;
uint32_t filt;
uint32_t bcol;
};
#endif /* NVFX_TEX_H_ */
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