freedreno/a3xx: add hardware ETC1 support

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>

diff --git a/src/gallium/drivers/freedreno/a3xx/a3xx.xml.h b/src/gallium/drivers/freedreno/a3xx/a3xx.xml.h
index 366bf2f..0dce61c 100644 (file)
--- a/src/gallium/drivers/freedreno/a3xx/a3xx.xml.h
+++ b/src/gallium/drivers/freedreno/a3xx/a3xx.xml.h
@@ -130,6 +130,7 @@ enum a3xx_tex_fmt {
        TFMT_I420_Y = 24,
        TFMT_I420_U = 26,
        TFMT_I420_V = 27,
+       TFMT_ETC1 = 34,
        TFMT_DXT1 = 36,
        TFMT_DXT3 = 37,
        TFMT_DXT5 = 38,

diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_format.c b/src/gallium/drivers/freedreno/a3xx/fd3_format.c
index d0ce527..a67d0ac 100644 (file)
--- a/src/gallium/drivers/freedreno/a3xx/fd3_format.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_format.c
@@ -246,6 +246,9 @@ static struct fd3_format formats[PIPE_FORMAT_COUNT] = {
        VT(R32G32B32A32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
        _T(R32G32B32X32_FLOAT,   32_32_32_32_FLOAT, R32G32B32A32_FLOAT, WZYX),
        V_(R32G32B32A32_FIXED,   32_32_32_32_FIXED, NONE,               WZYX),
+
+       /* compressed */
+       _T(ETC1_RGB8, ETC1, NONE, WZYX),
 };
 
 enum a3xx_vtx_fmt