diff options
| author | Chad Versace <[email protected]> | 2016-01-20 15:53:54 -0800 |
|---|---|---|
| committer | Chad Versace <[email protected]> | 2016-01-22 17:19:57 -0800 |
| commit | 14b753f666eed3933ba155fb493e6142c33cb96e (patch) | |
| tree | 163ec24597bba4599e08ed1c83bcbba1f5b15150 | |
| parent | d4de918ad086683c4df4b7d861c27bbce61d6c92 (diff) | |
isl: Add func isl_device_get_sample_counts()
| -rw-r--r-- | src/isl/isl.c | 32 | ||||
| -rw-r--r-- | src/isl/isl.h | 15 |
2 files changed, 47 insertions, 0 deletions
diff --git a/src/isl/isl.c b/src/isl/isl.c index 40663ca18af..acc80eae59c 100644 --- a/src/isl/isl.c +++ b/src/isl/isl.c @@ -68,6 +68,38 @@ isl_device_init(struct isl_device *dev, } /** + * @brief Query the set of multisamples supported by the device. + * + * This function always returns non-zero, as ISL_SAMPLE_COUNT_1_BIT is always + * supported. + */ +isl_sample_count_mask_t ATTRIBUTE_CONST +isl_device_get_sample_counts(struct isl_device *dev) +{ + if (ISL_DEV_GEN(dev) >= 9) { + return ISL_SAMPLE_COUNT_1_BIT | + ISL_SAMPLE_COUNT_2_BIT | + ISL_SAMPLE_COUNT_4_BIT | + ISL_SAMPLE_COUNT_8_BIT | + ISL_SAMPLE_COUNT_16_BIT; + } else if (ISL_DEV_GEN(dev) >= 8) { + return ISL_SAMPLE_COUNT_1_BIT | + ISL_SAMPLE_COUNT_2_BIT | + ISL_SAMPLE_COUNT_4_BIT | + ISL_SAMPLE_COUNT_8_BIT; + } else if (ISL_DEV_GEN(dev) >= 7) { + return ISL_SAMPLE_COUNT_1_BIT | + ISL_SAMPLE_COUNT_4_BIT | + ISL_SAMPLE_COUNT_8_BIT; + } else if (ISL_DEV_GEN(dev) >= 6) { + return ISL_SAMPLE_COUNT_1_BIT | + ISL_SAMPLE_COUNT_4_BIT; + } else { + return ISL_SAMPLE_COUNT_1_BIT; + } +} + +/** * @param[out] info is written only on success */ bool diff --git a/src/isl/isl.h b/src/isl/isl.h index 9b99e00ec1c..85e43b8b35b 100644 --- a/src/isl/isl.h +++ b/src/isl/isl.h @@ -458,6 +458,18 @@ typedef uint64_t isl_surf_usage_flags_t; /** @} */ /** + * Identical to VkSampleCountFlagBits. + */ +enum isl_sample_count { + ISL_SAMPLE_COUNT_1_BIT = 1u, + ISL_SAMPLE_COUNT_2_BIT = 2u, + ISL_SAMPLE_COUNT_4_BIT = 4u, + ISL_SAMPLE_COUNT_8_BIT = 8u, + ISL_SAMPLE_COUNT_16_BIT = 16u, +}; +typedef uint32_t isl_sample_count_mask_t; + +/** * @brief Multisample Format */ enum isl_msaa_layout { @@ -690,6 +702,9 @@ isl_device_init(struct isl_device *dev, const struct brw_device_info *info, bool has_bit6_swizzling); +isl_sample_count_mask_t ATTRIBUTE_CONST +isl_device_get_sample_counts(struct isl_device *dev); + static inline const struct isl_format_layout * ATTRIBUTE_CONST isl_format_get_layout(enum isl_format fmt) { |