diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_blit.h')
-rw-r--r-- | src/gallium/drivers/nv50/nv50_blit.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_blit.h b/src/gallium/drivers/nv50/nv50_blit.h new file mode 100644 index 0000000..0a1c2ae --- /dev/null +++ b/src/gallium/drivers/nv50/nv50_blit.h @@ -0,0 +1,182 @@ + +#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_MODES 9 + +/* 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: + 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) ? 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: + return PIPE_FORMAT_R8G8B8A8_UNORM; + case PIPE_FORMAT_Z32_FLOAT: + return PIPE_FORMAT_R32_FLOAT; + case PIPE_FORMAT_Z32_FLOAT_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_Z24_UNORM_S8_UINT: + if (mask & PIPE_MASK_S) + color_mask |= 0x1000; + /* fall through */ + case PIPE_FORMAT_Z24X8_UNORM: + if (mask & PIPE_MASK_Z) + color_mask |= 0x0111; + break; + case PIPE_FORMAT_S8_UINT_Z24_UNORM: + if (mask & PIPE_MASK_Z) + color_mask |= 0x1110; + if (mask & PIPE_MASK_S) + color_mask |= 0x0001; + 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_Z24_UNORM_S8_UINT: + if (info->mask & PIPE_MASK_Z) mask |= 0x00ffffff; + if (info->mask & PIPE_MASK_S) mask |= 0xff000000; + break; + case PIPE_FORMAT_S8_UINT_Z24_UNORM: + if (info->mask & PIPE_MASK_Z) mask |= 0xffffff00; + if (info->mask & PIPE_MASK_S) mask |= 0x000000ff; + break; + case PIPE_FORMAT_X8Z24_UNORM: + if (info->mask & PIPE_MASK_Z) mask = 0x00ffffff; + break; + default: + mask = 0xffffffff; + break; + } + return mask; +} + +#endif /* __NV50_BLIT_H__ */ |