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#ifndef NVFX_TEX_H_
#define NVFX_TEX_H_
#include "util/u_math.h"
#include "pipe/p_defines.h"
#include "pipe/p_state.h"
static inline unsigned
nvfx_tex_wrap_mode(unsigned wrap) {
unsigned ret;
switch (wrap) {
case PIPE_TEX_WRAP_REPEAT:
ret = NV30_3D_TEX_WRAP_S_REPEAT;
break;
case PIPE_TEX_WRAP_MIRROR_REPEAT:
ret = NV30_3D_TEX_WRAP_S_MIRRORED_REPEAT;
break;
case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
ret = NV30_3D_TEX_WRAP_S_CLAMP_TO_EDGE;
break;
case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
ret = NV30_3D_TEX_WRAP_S_CLAMP_TO_BORDER;
break;
case PIPE_TEX_WRAP_CLAMP:
ret = NV30_3D_TEX_WRAP_S_CLAMP;
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
ret = NV40_3D_TEX_WRAP_S_MIRROR_CLAMP_TO_EDGE;
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
ret = NV40_3D_TEX_WRAP_S_MIRROR_CLAMP_TO_BORDER;
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP:
ret = NV40_3D_TEX_WRAP_S_MIRROR_CLAMP;
break;
default:
assert(0);
ret = NV30_3D_TEX_WRAP_S_REPEAT;
break;
}
return ret >> NV30_3D_TEX_WRAP_S__SHIFT;
}
static inline unsigned
nvfx_tex_wrap_compare_mode(unsigned func)
{
switch (func) {
case PIPE_FUNC_NEVER:
return NV30_3D_TEX_WRAP_RCOMP_NEVER;
case PIPE_FUNC_GREATER:
return NV30_3D_TEX_WRAP_RCOMP_GREATER;
case PIPE_FUNC_EQUAL:
return NV30_3D_TEX_WRAP_RCOMP_EQUAL;
case PIPE_FUNC_GEQUAL:
return NV30_3D_TEX_WRAP_RCOMP_GEQUAL;
case PIPE_FUNC_LESS:
return NV30_3D_TEX_WRAP_RCOMP_LESS;
case PIPE_FUNC_NOTEQUAL:
return NV30_3D_TEX_WRAP_RCOMP_NOTEQUAL;
case PIPE_FUNC_LEQUAL:
return NV30_3D_TEX_WRAP_RCOMP_LEQUAL;
case PIPE_FUNC_ALWAYS:
return NV30_3D_TEX_WRAP_RCOMP_ALWAYS;
default:
assert(0);
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 |= NV30_3D_TEX_FILTER_MAG_LINEAR;
break;
case PIPE_TEX_FILTER_NEAREST:
default:
filter |= NV30_3D_TEX_FILTER_MAG_NEAREST;
break;
}
switch (cso->min_img_filter) {
case PIPE_TEX_FILTER_LINEAR:
switch (cso->min_mip_filter) {
case PIPE_TEX_MIPFILTER_NEAREST:
filter |= NV30_3D_TEX_FILTER_MIN_LINEAR_MIPMAP_NEAREST;
break;
case PIPE_TEX_MIPFILTER_LINEAR:
filter |= NV30_3D_TEX_FILTER_MIN_LINEAR_MIPMAP_LINEAR;
break;
case PIPE_TEX_MIPFILTER_NONE:
default:
filter |= NV30_3D_TEX_FILTER_MIN_LINEAR;
break;
}
break;
case PIPE_TEX_FILTER_NEAREST:
default:
switch (cso->min_mip_filter) {
case PIPE_TEX_MIPFILTER_NEAREST:
filter |= NV30_3D_TEX_FILTER_MIN_NEAREST_MIPMAP_NEAREST;
break;
case PIPE_TEX_MIPFILTER_LINEAR:
filter |= NV30_3D_TEX_FILTER_MIN_NEAREST_MIPMAP_LINEAR;
break;
case PIPE_TEX_MIPFILTER_NONE:
default:
filter |= NV30_3D_TEX_FILTER_MIN_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;
uint32_t min_lod;
uint32_t max_lod;
boolean compare;
};
struct nvfx_sampler_view {
struct pipe_sampler_view base;
int offset;
uint32_t swizzle;
uint32_t npot_size;
uint32_t filt;
uint32_t wrap_mask;
uint32_t wrap;
uint32_t lod_offset;
uint32_t max_lod_limit;
union
{
struct
{
uint32_t fmt[4]; /* nv30 has 4 entries, nv40 one */
int rect;
} nv30;
struct
{
uint32_t fmt[2]; /* nv30 has 4 entries, nv40 one */
uint32_t npot_size2; /* nv40 only */
} nv40;
uint32_t init_fmt;
} u;
};
struct nvfx_texture_format {
int fmt[6];
unsigned sign;
unsigned wrap;
unsigned char src[6];
unsigned char comp[6];
};
extern struct nvfx_texture_format nvfx_texture_formats[PIPE_FORMAT_COUNT];
#endif /* NVFX_TEX_H_ */
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