ac: add ac_choose_spi_color_formats() to common code

[mesa.git] / src / amd / common / ac_shader_util.h

diff --git a/src/amd/common/ac_shader_util.h b/src/amd/common/ac_shader_util.h
index b851af270897050963466d1f9822c4331cd40e38..49e1eb2428f15710f437c1cce0d4a978bff97b74 100644 (file)
--- a/src/amd/common/ac_shader_util.h
+++ b/src/amd/common/ac_shader_util.h
@@ -53,6 +53,13 @@ struct ac_data_format_info {
        uint8_t chan_format;
 };
 
+struct ac_spi_color_formats {
+       unsigned normal : 8;
+       unsigned alpha : 8;
+       unsigned blend : 8;
+       unsigned blend_alpha : 8;
+};
+
 unsigned
 ac_get_spi_shader_z_format(bool writes_z, bool writes_stencil,
                           bool writes_samplemask);
@@ -83,6 +90,10 @@ ac_get_fs_input_vgpr_cnt(const struct ac_shader_config *config,
                         signed char *face_vgpr_index,
                         signed char *ancillary_vgpr_index);
 
+void ac_choose_spi_color_formats(unsigned format, unsigned swap,
+                                unsigned ntype, bool is_depth,
+                                struct ac_spi_color_formats *formats);
+
 #ifdef __cplusplus
 }
 #endif