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#ifndef __NV50_BLIT_H__
#define __NV50_BLIT_H__
#include "util/u_inlines.h"
#include "util/u_format.h"
void *
nv50_blitter_make_fp(struct pipe_context *,
unsigned mode,
enum pipe_texture_target);
unsigned
nv50_blit_select_mode(const struct pipe_blit_info *);
/* Converted to a pipe->blit. */
void
nv50_resource_resolve(struct pipe_context *, const struct pipe_resolve_info *);
#define NV50_BLIT_MODE_PASS 0 /* pass through TEX $t0/$s0 output */
#define NV50_BLIT_MODE_Z24S8 1 /* encode ZS values for RGBA unorm8 */
#define NV50_BLIT_MODE_S8Z24 2
#define NV50_BLIT_MODE_X24S8 3
#define NV50_BLIT_MODE_S8X24 4
#define NV50_BLIT_MODE_Z24X8 5
#define NV50_BLIT_MODE_X8Z24 6
#define NV50_BLIT_MODE_ZS 7 /* put $t0/$s0 into R, $t1/$s1 into G */
#define NV50_BLIT_MODE_XS 8 /* put $t1/$s1 into G */
#define NV50_BLIT_MODE_INT_CLAMP 9 /* unsigned to signed integer conversion */
#define NV50_BLIT_MODES 10
/* CUBE and RECT textures are reinterpreted as 2D(_ARRAY) */
#define NV50_BLIT_TEXTURE_BUFFER 0
#define NV50_BLIT_TEXTURE_1D 1
#define NV50_BLIT_TEXTURE_2D 2
#define NV50_BLIT_TEXTURE_3D 3
#define NV50_BLIT_TEXTURE_1D_ARRAY 4
#define NV50_BLIT_TEXTURE_2D_ARRAY 5
#define NV50_BLIT_MAX_TEXTURE_TYPES 6
static inline unsigned
nv50_blit_texture_type(enum pipe_texture_target target)
{
switch (target) {
case PIPE_TEXTURE_1D: return NV50_BLIT_TEXTURE_1D;
case PIPE_TEXTURE_2D: return NV50_BLIT_TEXTURE_2D;
case PIPE_TEXTURE_3D: return NV50_BLIT_TEXTURE_3D;
case PIPE_TEXTURE_1D_ARRAY: return NV50_BLIT_TEXTURE_1D_ARRAY;
case PIPE_TEXTURE_2D_ARRAY: return NV50_BLIT_TEXTURE_2D_ARRAY;
default:
assert(target == PIPE_BUFFER);
return NV50_BLIT_TEXTURE_BUFFER;
}
}
static inline unsigned
nv50_blit_get_tgsi_texture_target(enum pipe_texture_target target)
{
switch (target) {
case PIPE_TEXTURE_1D: return TGSI_TEXTURE_1D;
case PIPE_TEXTURE_2D: return TGSI_TEXTURE_2D;
case PIPE_TEXTURE_3D: return TGSI_TEXTURE_3D;
case PIPE_TEXTURE_1D_ARRAY: return TGSI_TEXTURE_1D_ARRAY;
case PIPE_TEXTURE_2D_ARRAY: return TGSI_TEXTURE_2D_ARRAY;
default:
assert(target == PIPE_BUFFER);
return TGSI_TEXTURE_BUFFER;
}
}
static inline enum pipe_texture_target
nv50_blit_reinterpret_pipe_texture_target(enum pipe_texture_target target)
{
switch (target) {
case PIPE_TEXTURE_CUBE:
case PIPE_TEXTURE_CUBE_ARRAY:
return PIPE_TEXTURE_2D_ARRAY;
case PIPE_TEXTURE_RECT:
return PIPE_TEXTURE_2D;
default:
return target;
}
}
static inline unsigned
nv50_blit_get_filter(const struct pipe_blit_info *info)
{
if (info->dst.resource->nr_samples < info->src.resource->nr_samples)
return (util_format_is_depth_or_stencil(info->src.format) ||
util_format_is_pure_integer(info->src.format)) ? 0 : 1;
if (info->filter != PIPE_TEX_FILTER_LINEAR)
return 0;
if ((info->dst.box.width == info->src.box.width ||
info->dst.box.width == -info->src.box.width) &&
(info->dst.box.height == info->src.box.height ||
info->dst.box.height == -info->src.box.height))
return 0;
return 1;
}
/* Since shaders cannot export stencil, we cannot copy stencil values when
* rendering to ZETA, so we attach the ZS surface to a colour render target.
*/
static inline enum pipe_format
nv50_blit_zeta_to_colour_format(enum pipe_format format)
{
switch (format) {
case PIPE_FORMAT_Z16_UNORM:
return PIPE_FORMAT_R16_UNORM;
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
case PIPE_FORMAT_X24S8_UINT:
case PIPE_FORMAT_S8X24_UINT:
return PIPE_FORMAT_R8G8B8A8_UNORM;
case PIPE_FORMAT_Z32_FLOAT:
return PIPE_FORMAT_R32_FLOAT;
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
case PIPE_FORMAT_X32_S8X24_UINT:
return PIPE_FORMAT_R32G32_FLOAT;
default:
assert(0);
return PIPE_FORMAT_NONE;
}
}
static inline uint16_t
nv50_blit_derive_color_mask(const struct pipe_blit_info *info)
{
const unsigned mask = info->mask;
uint16_t color_mask = 0;
switch (info->dst.format) {
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_X24S8_UINT:
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
if (mask & PIPE_MASK_S)
color_mask |= 0x1000;
if (mask & PIPE_MASK_Z)
color_mask |= 0x0111;
break;
case PIPE_FORMAT_X8Z24_UNORM:
case PIPE_FORMAT_S8X24_UINT:
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
if (mask & PIPE_MASK_S)
color_mask |= 0x0001;
if (mask & PIPE_MASK_Z)
color_mask |= 0x1110;
break;
default:
if (mask & (PIPE_MASK_R | PIPE_MASK_Z)) color_mask |= 0x0001;
if (mask & (PIPE_MASK_G | PIPE_MASK_S)) color_mask |= 0x0010;
if (mask & PIPE_MASK_B) color_mask |= 0x0100;
if (mask & PIPE_MASK_A) color_mask |= 0x1000;
break;
}
return color_mask;
}
static inline uint32_t
nv50_blit_eng2d_get_mask(const struct pipe_blit_info *info)
{
uint32_t mask = 0;
switch (info->dst.format) {
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_X24S8_UINT:
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
if (info->mask & PIPE_MASK_Z) mask |= 0x00ffffff;
if (info->mask & PIPE_MASK_S) mask |= 0xff000000;
break;
case PIPE_FORMAT_X8Z24_UNORM:
case PIPE_FORMAT_S8X24_UINT:
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
if (info->mask & PIPE_MASK_Z) mask |= 0xffffff00;
if (info->mask & PIPE_MASK_S) mask |= 0x000000ff;
break;
default:
mask = 0xffffffff;
break;
}
return mask;
}
#if NOUVEAU_DRIVER == 0xc0
# define nv50_format_table nvc0_format_table
#endif
/* return true for formats that can be converted among each other by NVC0_2D */
static inline bool
nv50_2d_dst_format_faithful(enum pipe_format format)
{
const uint64_t mask =
NV50_ENG2D_SUPPORTED_FORMATS &
~NV50_ENG2D_NOCONVERT_FORMATS;
uint8_t id = nv50_format_table[format].rt;
return (id >= 0xc0) && (mask & (1ULL << (id - 0xc0)));
}
static inline bool
nv50_2d_src_format_faithful(enum pipe_format format)
{
const uint64_t mask =
NV50_ENG2D_SUPPORTED_FORMATS &
~(NV50_ENG2D_LUMINANCE_FORMATS | NV50_ENG2D_INTENSITY_FORMATS);
uint8_t id = nv50_format_table[format].rt;
return (id >= 0xc0) && (mask & (1ULL << (id - 0xc0)));
}
static inline bool
nv50_2d_format_supported(enum pipe_format format)
{
uint8_t id = nv50_format_table[format].rt;
return (id >= 0xc0) &&
(NV50_ENG2D_SUPPORTED_FORMATS & (1ULL << (id - 0xc0)));
}
static inline bool
nv50_2d_dst_format_ops_supported(enum pipe_format format)
{
uint8_t id = nv50_format_table[format].rt;
return (id >= 0xc0) &&
(NV50_ENG2D_OPERATION_FORMATS & (1ULL << (id - 0xc0)));
}
#endif /* __NV50_BLIT_H__ */
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