Split texfilter enums to match common hardware usage.

3 files changed, 19 insertions, 15 deletions

diff --git a/src/mesa/pipe/p_defines.h b/src/mesa/pipe/p_defines.h
index 9eb4c37434..efbb3239a2 100644
--- a/src/mesa/pipe/p_defines.h
+++ b/src/mesa/pipe/p_defines.h
@@ -134,12 +134,18 @@
 #define PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE     6
 #define PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER   7
 
-#define PIPE_TEX_FILTER_NEAREST                0
-#define PIPE_TEX_FILTER_LINEAR                 1
-#define PIPE_TEX_FILTER_NEAREST_MIPMAP_NEAREST 2
-#define PIPE_TEX_FILTER_NEAREST_MIPMAP_LINEAR  3
-#define PIPE_TEX_FILTER_LINEAR_MIPMAP_NEAREST  4
-#define PIPE_TEX_FILTER_LINEAR_MIPMAP_LINEAR   5
+/* Between mipmaps, ie mipfilter
+ */
+#define PIPE_TEX_MIPFILTER_NEAREST  0
+#define PIPE_TEX_MIPFILTER_LINEAR   1
+#define PIPE_TEX_MIPFILTER_NONE     2
+
+/* Within a mipmap, ie min/mag filter 
+ */
+#define PIPE_TEX_FILTER_NEAREST      0
+#define PIPE_TEX_FILTER_LINEAR       1
+//#define PIPE_TEX_FILTER_ANISO        2
+
 
 #define PIPE_TEX_COMPARE_NONE          0
 #define PIPE_TEX_COMPARE_R_TO_TEXTURE  1
diff --git a/src/mesa/pipe/p_state.h b/src/mesa/pipe/p_state.h
index ee29e38a48..64a475ba00 100644
--- a/src/mesa/pipe/p_state.h
+++ b/src/mesa/pipe/p_state.h
@@ -213,8 +213,9 @@ struct pipe_sampler_state
    GLuint wrap_s:3;        /**< PIPE_TEX_WRAP_x */
    GLuint wrap_t:3;        /**< PIPE_TEX_WRAP_x */
    GLuint wrap_r:3;        /**< PIPE_TEX_WRAP_x */
-   GLuint min_filter:3;    /**< PIPE_TEX_FILTER_x */
-   GLuint mag_filter:1;    /**< PIPE_TEX_FILTER_LINEAR or _NEAREST */
+   GLuint min_img_filter:2;    /**< PIPE_TEX_FILTER_x */
+   GLuint min_mip_filter:2;    /**< PIPE_TEX_MIPFILTER_x */
+   GLuint mag_img_filter:2;    /**< PIPE_TEX_FILTER_x */
    GLuint compare:1;       /**< shadow/depth compare enabled? */
    GLenum compare_mode:1;  /**< PIPE_TEX_COMPARE_x */
    GLenum compare_func:3;  /**< PIPE_FUNC_x */
diff --git a/src/mesa/pipe/softpipe/sp_tex_sample.c b/src/mesa/pipe/softpipe/sp_tex_sample.c
index dcc9485cf6..40350eec75 100644
--- a/src/mesa/pipe/softpipe/sp_tex_sample.c
+++ b/src/mesa/pipe/softpipe/sp_tex_sample.c
@@ -417,7 +417,7 @@ sp_get_sample_1d(struct tgsi_sampler *sampler,
    struct pipe_surface *ps
       = pipe->get_tex_surface(pipe, sampler->texture, 0, 0, 0);
 
-   switch (sampler->state->min_filter) {
+   switch (sampler->state->min_img_filter) {
    case PIPE_TEX_FILTER_NEAREST:
       {
          GLint x;
@@ -450,9 +450,7 @@ sp_get_sample_1d(struct tgsi_sampler *sampler,
 static GLuint
 choose_mipmap_level(struct tgsi_sampler *sampler, GLfloat lambda)
 {
-   if (sampler->state->min_filter == sampler->state->mag_filter) {
-      assert(sampler->state->min_filter == PIPE_TEX_FILTER_LINEAR ||
-	     sampler->state->min_filter == PIPE_TEX_FILTER_NEAREST);
+   if (sampler->state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) {
       return 0;
    }
    else {
@@ -485,15 +483,14 @@ sp_get_sample_2d(struct tgsi_sampler *sampler,
    GLint level0;
 
    if (lambda < 0.0)
-      filter = sampler->state->mag_filter;
+      filter = sampler->state->mag_img_filter;
    else
-      filter = sampler->state->min_filter;
+      filter = sampler->state->min_img_filter;
 
    level0 = choose_mipmap_level(sampler, lambda);
 
    switch (filter) {
    case PIPE_TEX_FILTER_NEAREST:
-   case PIPE_TEX_FILTER_NEAREST_MIPMAP_NEAREST:
       {
          GLint x = nearest_texcoord(sampler->state->wrap_s, strq[0],
                                     sampler->texture->level[level0].width);