diff options
Diffstat (limited to 'src/amd/common/ac_shader_util.c')
| -rw-r--r-- | src/amd/common/ac_shader_util.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/amd/common/ac_shader_util.c b/src/amd/common/ac_shader_util.c index 9d33a465591..ab8d3ed49bc 100644 --- a/src/amd/common/ac_shader_util.c +++ b/src/amd/common/ac_shader_util.c @@ -21,6 +21,8 @@ * IN THE SOFTWARE. */ +#include <assert.h> + #include "ac_shader_util.h" #include "sid.h" @@ -43,3 +45,36 @@ ac_get_spi_shader_z_format(bool writes_z, bool writes_stencil, return V_028710_SPI_SHADER_ZERO; } } + +unsigned +ac_get_cb_shader_mask(unsigned spi_shader_col_format) +{ + unsigned i, cb_shader_mask = 0; + + for (i = 0; i < 8; i++) { + switch ((spi_shader_col_format >> (i * 4)) & 0xf) { + case V_028714_SPI_SHADER_ZERO: + break; + case V_028714_SPI_SHADER_32_R: + cb_shader_mask |= 0x1 << (i * 4); + break; + case V_028714_SPI_SHADER_32_GR: + cb_shader_mask |= 0x3 << (i * 4); + break; + case V_028714_SPI_SHADER_32_AR: + cb_shader_mask |= 0x9 << (i * 4); + break; + case V_028714_SPI_SHADER_FP16_ABGR: + case V_028714_SPI_SHADER_UNORM16_ABGR: + case V_028714_SPI_SHADER_SNORM16_ABGR: + case V_028714_SPI_SHADER_UINT16_ABGR: + case V_028714_SPI_SHADER_SINT16_ABGR: + case V_028714_SPI_SHADER_32_ABGR: + cb_shader_mask |= 0xf << (i * 4); + break; + default: + assert(0); + } + } + return cb_shader_mask; +} |