* - functions
*/
-#pragma once
+#ifndef ISL_H
+#define ISL_H
#include <assert.h>
#include <stdbool.h>
extern "C" {
#endif
-struct brw_device_info;
+struct gen_device_info;
struct brw_image_param;
#ifndef ISL_DEV_GEN
(assert(ISL_DEV_GEN(__dev) == (__dev)->info->gen))
#endif
+#ifndef ISL_DEV_IS_G4X
+#define ISL_DEV_IS_G4X(__dev) ((__dev)->info->is_g4x)
+#endif
+
#ifndef ISL_DEV_IS_HASWELL
/**
* @brief Get the hardware generation of isl_device.
#define ISL_DEV_IS_HASWELL(__dev) ((__dev)->info->is_haswell)
#endif
+#ifndef ISL_DEV_IS_BAYTRAIL
+#define ISL_DEV_IS_BAYTRAIL(__dev) ((__dev)->info->is_baytrail)
+#endif
+
#ifndef ISL_DEV_USE_SEPARATE_STENCIL
/**
* You can define this as a compile-time constant in the CFLAGS. For example,
ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16 = 638,
ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16 = 639,
+ /* The formats that follow are internal to ISL and as such don't have an
+ * explicit number. We'll just let the C compiler assign it for us. Any
+ * actual hardware formats *must* come before these in the list.
+ */
+
+ /* Formats for auxiliary surfaces */
+ ISL_FORMAT_HIZ,
+ ISL_FORMAT_MCS_2X,
+ ISL_FORMAT_MCS_4X,
+ ISL_FORMAT_MCS_8X,
+ ISL_FORMAT_MCS_16X,
+ ISL_FORMAT_GEN7_CCS_32BPP_X,
+ ISL_FORMAT_GEN7_CCS_64BPP_X,
+ ISL_FORMAT_GEN7_CCS_128BPP_X,
+ ISL_FORMAT_GEN7_CCS_32BPP_Y,
+ ISL_FORMAT_GEN7_CCS_64BPP_Y,
+ ISL_FORMAT_GEN7_CCS_128BPP_Y,
+ ISL_FORMAT_GEN9_CCS_32BPP,
+ ISL_FORMAT_GEN9_CCS_64BPP,
+ ISL_FORMAT_GEN9_CCS_128BPP,
+
/* Hardware doesn't understand this out-of-band value */
ISL_FORMAT_UNSUPPORTED = UINT16_MAX,
};
ISL_TXC_ETC1,
ISL_TXC_ETC2,
ISL_TXC_ASTC,
+
+ /* Used for auxiliary surface formats */
+ ISL_TXC_HIZ,
+ ISL_TXC_MCS,
+ ISL_TXC_CCS,
};
/**
ISL_TILING_Y0, /**< Legacy Y tiling */
ISL_TILING_Yf, /**< Standard 4K tiling. The 'f' means "four". */
ISL_TILING_Ys, /**< Standard 64K tiling. The 's' means "sixty-four". */
+ ISL_TILING_HIZ, /**< Tiling format for HiZ surfaces */
+ ISL_TILING_CCS, /**< Tiling format for CCS surfaces */
};
/**
#define ISL_TILING_Y0_BIT (1u << ISL_TILING_Y0)
#define ISL_TILING_Yf_BIT (1u << ISL_TILING_Yf)
#define ISL_TILING_Ys_BIT (1u << ISL_TILING_Ys)
+#define ISL_TILING_HIZ_BIT (1u << ISL_TILING_HIZ)
+#define ISL_TILING_CCS_BIT (1u << ISL_TILING_CCS)
#define ISL_TILING_ANY_MASK (~0u)
#define ISL_TILING_NON_LINEAR_MASK (~ISL_TILING_LINEAR_BIT)
ISL_DIM_LAYOUT_GEN9_1D,
};
+enum isl_aux_usage {
+ /** No Auxiliary surface is used */
+ ISL_AUX_USAGE_NONE,
+
+ /** The primary surface is a depth surface and the auxiliary surface is HiZ */
+ ISL_AUX_USAGE_HIZ,
+
+ /** The auxiliary surface is an MCS
+ *
+ * @invariant isl_surf::samples > 1
+ */
+ ISL_AUX_USAGE_MCS,
+
+ /** The auxiliary surface is a fast-clear-only compression surface
+ *
+ * @invariant isl_surf::samples == 1
+ */
+ ISL_AUX_USAGE_CCS_D,
+
+ /** The auxiliary surface provides full lossless color compression
+ *
+ * @invariant isl_surf::samples == 1
+ */
+ ISL_AUX_USAGE_CCS_E,
+};
+
/* TODO(chadv): Explain */
enum isl_array_pitch_span {
ISL_ARRAY_PITCH_SPAN_FULL,
#define ISL_SURF_USAGE_DISPLAY_FLIP_X_BIT (1u << 10)
#define ISL_SURF_USAGE_DISPLAY_FLIP_Y_BIT (1u << 11)
#define ISL_SURF_USAGE_STORAGE_BIT (1u << 12)
+#define ISL_SURF_USAGE_HIZ_BIT (1u << 13)
+#define ISL_SURF_USAGE_MCS_BIT (1u << 14)
+#define ISL_SURF_USAGE_CCS_BIT (1u << 15)
/** @} */
/**
struct isl_device {
- const struct brw_device_info *info;
+ const struct gen_device_info *info;
bool use_separate_stencil;
bool has_bit6_swizzling;
+
+ /**
+ * Describes the layout of a RENDER_SURFACE_STATE structure for the
+ * current gen.
+ */
+ struct {
+ uint8_t size;
+ uint8_t align;
+ uint8_t addr_offset;
+ uint8_t aux_addr_offset;
+ } ss;
};
struct isl_extent2d {
enum isl_format format;
const char *name;
- uint8_t bs; /**< Block size, in bytes, rounded towards 0 */
+ uint16_t bpb; /**< Bits per block */
uint8_t bw; /**< Block width, in pixels */
uint8_t bh; /**< Block height, in pixels */
uint8_t bd; /**< Block depth, in pixels */
struct isl_tile_info {
enum isl_tiling tiling;
- /** The logical size of the tile in units of surface elements
+ /* The size (in bits per block) of a single surface element
+ *
+ * For surfaces with power-of-two formats, this is the same as
+ * isl_format_layout::bpb. For non-power-of-two formats it may be smaller.
+ * The logical_extent_el field is in terms of elements of this size.
+ *
+ * For example, consider ISL_FORMAT_R32G32B32_FLOAT for which
+ * isl_format_layout::bpb is 96 (a non-power-of-two). In this case, none
+ * of the tiling formats can actually hold an integer number of 96-bit
+ * surface elements so isl_tiling_get_info returns an isl_tile_info for a
+ * 32-bit element size. It is the responsibility of the caller to
+ * recognize that 32 != 96 ad adjust accordingly. For instance, to compute
+ * the width of a surface in tiles, you would do:
+ *
+ * width_tl = DIV_ROUND_UP(width_el * (format_bpb / tile_info.format_bpb),
+ * tile_info.logical_extent_el.width);
+ */
+ uint32_t format_bpb;
+
+ /** The logical size of the tile in units of format_bpb size elements
*
* This field determines how a given surface is cut up into tiles. It is
* used to compute the size of a surface in tiles and can be used to
isl_surf_usage_flags_t usage;
};
+struct isl_swizzle {
+ enum isl_channel_select r:4;
+ enum isl_channel_select g:4;
+ enum isl_channel_select b:4;
+ enum isl_channel_select a:4;
+};
+
+#define ISL_SWIZZLE(R, G, B, A) ((struct isl_swizzle) { \
+ .r = ISL_CHANNEL_SELECT_##R, \
+ .g = ISL_CHANNEL_SELECT_##G, \
+ .b = ISL_CHANNEL_SELECT_##B, \
+ .a = ISL_CHANNEL_SELECT_##A, \
+ })
+
+#define ISL_SWIZZLE_IDENTITY ISL_SWIZZLE(RED, GREEN, BLUE, ALPHA)
+
struct isl_view {
/**
* Indicates the usage of the particular view
*
* For cube maps, both base_array_layer and array_len should be
* specified in terms of 2-D layers and must be a multiple of 6.
+ *
+ * 3-D textures are effectively treated as 2-D arrays when used as a
+ * storage image or render target. If `usage` contains
+ * ISL_SURF_USAGE_RENDER_TARGET_BIT or ISL_SURF_USAGE_STORAGE_BIT then
+ * base_array_layer and array_len are applied. If the surface is only used
+ * for texturing, they are ignored.
*/
uint32_t base_array_layer;
uint32_t array_len;
- enum isl_channel_select channel_select[4];
+ struct isl_swizzle swizzle;
};
union isl_color_value {
*/
uint32_t mocs;
+ /**
+ * The auxilary surface or NULL if no auxilary surface is to be used.
+ */
+ const struct isl_surf *aux_surf;
+ enum isl_aux_usage aux_usage;
+ uint64_t aux_address;
+
/**
* The clear color for this surface
*
* Valid values depend on hardware generation.
*/
union isl_color_value clear_color;
+
+ /* Intra-tile offset */
+ uint16_t x_offset_sa, y_offset_sa;
};
struct isl_buffer_fill_state_info {
void
isl_device_init(struct isl_device *dev,
- const struct brw_device_info *info,
+ const struct gen_device_info *info,
bool has_bit6_swizzling);
isl_sample_count_mask_t ATTRIBUTE_CONST
return isl_format_layouts[fmt].name;
}
-bool isl_format_supports_rendering(const struct brw_device_info *devinfo,
+bool isl_format_supports_rendering(const struct gen_device_info *devinfo,
enum isl_format format);
-bool isl_format_supports_alpha_blending(const struct brw_device_info *devinfo,
+bool isl_format_supports_alpha_blending(const struct gen_device_info *devinfo,
enum isl_format format);
-bool isl_format_supports_sampling(const struct brw_device_info *devinfo,
+bool isl_format_supports_sampling(const struct gen_device_info *devinfo,
enum isl_format format);
-bool isl_format_supports_filtering(const struct brw_device_info *devinfo,
+bool isl_format_supports_filtering(const struct gen_device_info *devinfo,
enum isl_format format);
-bool isl_format_supports_vertex_fetch(const struct brw_device_info *devinfo,
+bool isl_format_supports_vertex_fetch(const struct gen_device_info *devinfo,
enum isl_format format);
-bool isl_format_supports_lossless_compression(const struct brw_device_info *devinfo,
- enum isl_format format);
+bool isl_format_supports_ccs_d(const struct gen_device_info *devinfo,
+ enum isl_format format);
+bool isl_format_supports_ccs_e(const struct gen_device_info *devinfo,
+ enum isl_format format);
+bool isl_format_supports_multisampling(const struct gen_device_info *devinfo,
+ enum isl_format format);
bool isl_format_has_unorm_channel(enum isl_format fmt) ATTRIBUTE_CONST;
bool isl_format_has_snorm_channel(enum isl_format fmt) ATTRIBUTE_CONST;
unsigned isl_format_get_num_channels(enum isl_format fmt);
+uint32_t isl_format_get_depth_format(enum isl_format fmt, bool has_stencil);
+
static inline bool
isl_format_is_compressed(enum isl_format fmt)
{
case ISL_TXC_ETC2:
case ISL_TXC_ASTC:
return false;
+
+ case ISL_TXC_HIZ:
+ case ISL_TXC_MCS:
+ case ISL_TXC_CCS:
+ unreachable("Should not be called on an aux surface");
}
unreachable("bad texture compression mode");
bool isl_is_storage_image_format(enum isl_format fmt);
enum isl_format
-isl_lower_storage_image_format(const struct brw_device_info *devinfo,
+isl_lower_storage_image_format(const struct gen_device_info *devinfo,
enum isl_format fmt);
/* Returns true if this hardware supports typed load/store on a format with
* the same size as the given format.
*/
bool
-isl_has_matching_typed_storage_image_format(const struct brw_device_info *devinfo,
+isl_has_matching_typed_storage_image_format(const struct gen_device_info *devinfo,
enum isl_format fmt);
static inline bool
isl_tiling_is_any_y(enum isl_tiling tiling)
{
- return (1u << tiling) & ISL_TILING_ANY_MASK;
+ return (1u << tiling) & ISL_TILING_ANY_Y_MASK;
}
static inline bool
return (1u << tiling) & ISL_TILING_STD_Y_MASK;
}
-bool
-isl_tiling_get_info(const struct isl_device *dev,
- enum isl_tiling tiling,
- uint32_t format_block_size,
- struct isl_tile_info *info);
-bool
-isl_surf_choose_tiling(const struct isl_device *dev,
- const struct isl_surf_init_info *restrict info,
- enum isl_tiling *tiling);
+struct isl_extent2d ATTRIBUTE_CONST
+isl_get_interleaved_msaa_px_size_sa(uint32_t samples);
static inline bool
isl_surf_usage_is_display(isl_surf_usage_flags_t usage)
const struct isl_surf *surf,
struct isl_tile_info *tile_info);
+void
+isl_surf_get_hiz_surf(const struct isl_device *dev,
+ const struct isl_surf *surf,
+ struct isl_surf *hiz_surf);
+
+void
+isl_surf_get_mcs_surf(const struct isl_device *dev,
+ const struct isl_surf *surf,
+ struct isl_surf *mcs_surf);
+
+bool
+isl_surf_get_ccs_surf(const struct isl_device *dev,
+ const struct isl_surf *surf,
+ struct isl_surf *ccs_surf);
+
#define isl_surf_fill_state(dev, state, ...) \
isl_surf_fill_state_s((dev), (state), \
&(struct isl_surf_fill_state_info) { __VA_ARGS__ });
{
const struct isl_format_layout *fmtl = isl_format_get_layout(surf->format);
- assert(surf->row_pitch % fmtl->bs == 0);
- return surf->row_pitch / fmtl->bs;
+ assert(surf->row_pitch % (fmtl->bpb / 8) == 0);
+ return surf->row_pitch / (fmtl->bpb / 8);
}
/**
return isl_surf_get_array_pitch_sa_rows(surf) * surf->row_pitch;
}
+/**
+ * Calculate the offset, in units of surface samples, to a subimage in the
+ * surface.
+ *
+ * @invariant level < surface levels
+ * @invariant logical_array_layer < logical array length of surface
+ * @invariant logical_z_offset_px < logical depth of surface at level
+ */
+void
+isl_surf_get_image_offset_sa(const struct isl_surf *surf,
+ uint32_t level,
+ uint32_t logical_array_layer,
+ uint32_t logical_z_offset_px,
+ uint32_t *x_offset_sa,
+ uint32_t *y_offset_sa);
+
/**
* Calculate the offset, in units of surface elements, to a subimage in the
* surface.
enum isl_tiling tiling,
uint8_t bs,
uint32_t row_pitch,
- uint32_t total_x_offset_B,
- uint32_t total_y_offset_rows,
+ uint32_t total_x_offset_el,
+ uint32_t total_y_offset_el,
uint32_t *base_address_offset,
- uint32_t *x_offset_B,
- uint32_t *y_offset_rows);
+ uint32_t *x_offset_el,
+ uint32_t *y_offset_el);
+
+static inline void
+isl_tiling_get_intratile_offset_sa(const struct isl_device *dev,
+ enum isl_tiling tiling,
+ enum isl_format format,
+ uint32_t row_pitch,
+ uint32_t total_x_offset_sa,
+ uint32_t total_y_offset_sa,
+ uint32_t *base_address_offset,
+ uint32_t *x_offset_sa,
+ uint32_t *y_offset_sa)
+{
+ const struct isl_format_layout *fmtl = isl_format_get_layout(format);
+
+ assert(fmtl->bpb % 8 == 0);
+
+ /* For computing the intratile offsets, we actually want a strange unit
+ * which is samples for multisampled surfaces but elements for compressed
+ * surfaces.
+ */
+ assert(total_x_offset_sa % fmtl->bw == 0);
+ assert(total_y_offset_sa % fmtl->bh == 0);
+ const uint32_t total_x_offset = total_x_offset_sa / fmtl->bw;
+ const uint32_t total_y_offset = total_y_offset_sa / fmtl->bh;
+
+ isl_tiling_get_intratile_offset_el(dev, tiling, fmtl->bpb / 8, row_pitch,
+ total_x_offset, total_y_offset,
+ base_address_offset,
+ x_offset_sa, y_offset_sa);
+ *x_offset_sa *= fmtl->bw;
+ *y_offset_sa *= fmtl->bh;
+}
/**
* @brief Get value of 3DSTATE_DEPTH_BUFFER.SurfaceFormat
#ifdef __cplusplus
}
#endif
+
+#endif /* ISL_H */
projects / mesa.git / blobdiff