X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Flima%2Flima_texture.h;h=0a4afd9ed5a5767425481d0a7929e601073af3bf;hb=a803008c7f1e4b0bdf0a377cdcf4fe853fd20e1f;hp=7a185bc75d05f72934b895f575e19f1253a7dd76;hpb=200859f45cf96b3fdc58667242ec79937072337d;p=mesa.git

diff --git a/src/gallium/drivers/lima/lima_texture.h b/src/gallium/drivers/lima/lima_texture.h
index 7a185bc75d0..0a4afd9ed5a 100644
--- a/src/gallium/drivers/lima/lima_texture.h
+++ b/src/gallium/drivers/lima/lima_texture.h
@@ -27,21 +27,26 @@
 
 #define lima_min_tex_desc_size 64
 
+#define LIMA_TEXTURE_TYPE_2D   2
+#define LIMA_TEXTURE_TYPE_CUBE 5
+
 typedef struct __attribute__((__packed__)) {
    /* Word 0 */
    uint32_t format : 6;
    uint32_t flag1: 1;
    uint32_t swap_r_b: 1;
-   uint32_t unknown_0_1: 10;
-   uint32_t stride: 13;
+   uint32_t unknown_0_1: 8;
+   uint32_t stride: 15;
    uint32_t unknown_0_2: 1;
 
    /* Word 1-3 */
-   uint32_t unknown_1_1: 10;
-   uint32_t texture_2d: 1;
-   uint32_t unknown_1_2: 13;
-   uint32_t miplevels: 4;
-   uint32_t min_mipfilter_1: 9; /* 0x0 for linear, 0x1ff for nearest */
+   uint32_t unknown_1_1: 7;
+   uint32_t unnorm_coords: 1;
+   uint32_t unknown_1_2: 1;
+   uint32_t texture_type: 3;
+   uint32_t min_lod: 8; /* Fixed point, 4.4, unsigned */
+   uint32_t max_lod: 8; /* Fixed point, 4.4, unsigned */
+   uint32_t lod_bias: 9; /* Fixed point, signed, 1.4.4 */
    uint32_t unknown_2_1: 3;
    uint32_t has_stride: 1;
    uint32_t min_mipfilter_2: 2; /* 0x3 for linear, 0x0 for nearest */
@@ -90,4 +95,22 @@ void lima_texture_desc_set_res(struct lima_context *ctx, lima_tex_desc *desc,
                                unsigned first_level, unsigned last_level);
 void lima_update_textures(struct lima_context *ctx);
 
+
+static inline int16_t lima_float_to_fixed8(float f)
+{
+   return (int)(f * 16.0);
+}
+
+static inline float lima_fixed8_to_float(int16_t i)
+{
+   float sign = 1.0;
+
+   if (i > 0xff) {
+      i = 0x200 - i;
+      sign = -1;
+   }
+
+   return sign * (float)(i / 16.0);
+}
+
 #endif