diff options
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state_shaders.c | 51 |
1 files changed, 35 insertions, 16 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c index 91ba9b76210..b368485541c 100644 --- a/src/gallium/drivers/radeonsi/si_state_shaders.c +++ b/src/gallium/drivers/radeonsi/si_state_shaders.c @@ -397,13 +397,43 @@ static unsigned si_get_spi_shader_col_format(struct si_shader *shader) return value; } +static unsigned si_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; +} + static void si_shader_ps(struct si_shader *shader) { struct tgsi_shader_info *info = &shader->selector->info; struct si_pm4_state *pm4; - unsigned i, spi_ps_in_control, spi_shader_col_format; - unsigned cb_shader_mask = 0; - unsigned colors_written; + unsigned spi_ps_in_control, spi_shader_col_format, cb_shader_mask; unsigned num_sgprs, num_user_sgprs; unsigned spi_baryc_cntl = S_0286E0_FRONT_FACE_ALL_BITS(1); uint64_t va; @@ -438,23 +468,12 @@ static void si_shader_ps(struct si_shader *shader) TGSI_FS_COORD_PIXEL_CENTER_INTEGER) spi_baryc_cntl |= S_0286E0_POS_FLOAT_ULC(1); - /* Find out what SPI_SHADER_COL_FORMAT and CB_SHADER_MASK should be. */ - colors_written = info->colors_written; - - if (info->colors_written == 0x1 && - info->properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS]) { - colors_written |= (1 << (shader->key.ps.last_cbuf + 1)) - 1; - } - - while (colors_written) { - i = u_bit_scan(&colors_written); - cb_shader_mask |= 0xf << (4 * i); - } - spi_shader_col_format = si_get_spi_shader_col_format(shader); + cb_shader_mask = si_get_cb_shader_mask(spi_shader_col_format); /* This must be non-zero for alpha-test/kill to work. * The hardware ignores the EXEC mask if no export memory is allocated. + * Don't add this to CB_SHADER_MASK. */ if (!spi_shader_col_format && !info->writes_z && !info->writes_stencil && !info->writes_samplemask && |