This attached patch should enable an option for forcing anisotropy from driconf.
Please comment or push if it's ok.
>From 79e2c7785ab0398eaf7a2ebc70ef980a26b7ca3a Mon Sep 17 00:00:00 2001
From: Carl-Philip Haensch <carli@carli-laptop.(none)>
Date: Thu, 19 May 2011 21:45:55 +0200
Subject: [PATCH] gallium/st: force anisotropy setting in driconf

---
 src/gallium/include/state_tracker/st_api.h         |    6 ++++-
 .../state_trackers/dri/common/dri_context.c        |    5 ++-
 src/gallium/state_trackers/dri/common/dri_screen.c |   25 ++++++++++++-------
 src/gallium/state_trackers/dri/common/dri_screen.h |    2 +-
 src/mesa/state_tracker/st_atom_sampler.c           |    5 ++-
 src/mesa/state_tracker/st_context.h                |    1 +
 src/mesa/state_tracker/st_manager.c                |    4 ++-
 7 files changed, 32 insertions(+), 16 deletions(-)

diff --git a/src/gallium/include/state_tracker/st_api.h 
b/src/gallium/include/state_tracker/st_api.h
index d4973a1..b6e8262 100644
--- a/src/gallium/include/state_tracker/st_api.h
+++ b/src/gallium/include/state_tracker/st_api.h
@@ -136,7 +136,11 @@ enum st_manager_param {
     * For the mesa state tracker that means that it needs to invalidate
     * the framebuffer in glViewport itself.
     */
-   ST_MANAGER_BROKEN_INVALIDATE
+   ST_MANAGER_BROKEN_INVALIDATE,
+   /**
+    * This parameter represents the global forced anisotropy.
+    */
+   ST_GLOBAL_ANISOTROPY
 };
 
 /**
diff --git a/src/gallium/state_trackers/dri/common/dri_context.c 
b/src/gallium/state_trackers/dri/common/dri_context.c
index e23c1bc..73ac43b 100644
--- a/src/gallium/state_trackers/dri/common/dri_context.c
+++ b/src/gallium/state_trackers/dri/common/dri_context.c
@@ -37,6 +37,7 @@
 
 #include "pipe/p_context.h"
 #include "state_tracker/st_context.h"
+#include "state_tracker/drm_driver.h"
 
 static void
 dri_init_extensions(struct dri_context *ctx)
@@ -86,8 +87,8 @@ dri_create_context(gl_api api, const struct gl_config * 
visual,
    ctx->lock = screen->drmLock;
 
    driParseConfigFiles(&ctx->optionCache,
-                      &screen->optionCache, sPriv->myNum, "dri");
-
+                      &screen->optionCache, sPriv->myNum, 
driver_descriptor.name);
+   screen->global_optionCache = &ctx->optionCache;
    dri_fill_st_visual(&attribs.visual, screen, visual);
    ctx->st = stapi->create_context(stapi, &screen->base, &attribs, st_share);
    if (ctx->st == NULL)
diff --git a/src/gallium/state_trackers/dri/common/dri_screen.c 
b/src/gallium/state_trackers/dri/common/dri_screen.c
index 5931df9..46f9984 100644
--- a/src/gallium/state_trackers/dri/common/dri_screen.c
+++ b/src/gallium/state_trackers/dri/common/dri_screen.c
@@ -42,15 +42,20 @@
 #include "util/u_debug.h"
 
 PUBLIC const char __driConfigOptions[] =
-   DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
-   DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
-   DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
-   DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
-/* DRI_CONF_FORCE_S3TC_ENABLE(false) */
-   DRI_CONF_ALLOW_LARGE_TEXTURES(1)
-   DRI_CONF_SECTION_END DRI_CONF_END;
-
-static const uint __driNConfigOptions = 3;
+   DRI_CONF_BEGIN
+      DRI_CONF_SECTION_PERFORMANCE
+         DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
+         DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
+      DRI_CONF_SECTION_END
+   
+      DRI_CONF_SECTION_QUALITY
+         /*DRI_CONF_FORCE_S3TC_ENABLE(false)*/
+         DRI_CONF_ALLOW_LARGE_TEXTURES(1)
+         DRI_CONF_DEF_MAX_ANISOTROPY(1.0, "1.0,2.0,4.0,8.0,16.0")
+      DRI_CONF_SECTION_END
+   DRI_CONF_END;
+
+static const uint __driNConfigOptions = 4;
 
 static const __DRIconfig **
 dri_fill_in_modes(struct dri_screen *screen,
@@ -321,6 +326,8 @@ dri_get_param(struct st_manager *smapi,
    switch(param) {
    case ST_MANAGER_BROKEN_INVALIDATE:
       return screen->broken_invalidate;
+   case ST_GLOBAL_ANISOTROPY:
+      return (int)driQueryOptionf(screen->global_optionCache, 
"def_max_anisotropy");
    default:
       return 0;
    }
diff --git a/src/gallium/state_trackers/dri/common/dri_screen.h 
b/src/gallium/state_trackers/dri/common/dri_screen.h
index 8cb0a10..cf1b1fc 100644
--- a/src/gallium/state_trackers/dri/common/dri_screen.h
+++ b/src/gallium/state_trackers/dri/common/dri_screen.h
@@ -58,7 +58,7 @@ struct dri_screen
    /**
     * Configuration cache with default values for all contexts
     */
-   driOptionCache optionCache;
+   driOptionCache optionCache, *global_optionCache;
 
    /* drm */
    int fd;
diff --git a/src/mesa/state_tracker/st_atom_sampler.c 
b/src/mesa/state_tracker/st_atom_sampler.c
index 06024ad..0dba553 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -177,8 +177,9 @@ static void convert_sampler(struct st_context *st,
                          sampler->border_color);
     }
 
-    sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ?
-                              0 : (GLuint) msamp->MaxAnisotropy);
+    sampler->max_anisotropy = MAX2((msamp->MaxAnisotropy == 1.0 ?
+                              0 : (GLuint) msamp->MaxAnisotropy),
+                              st->min_anisotropy);
 
     /* only care about ARB_shadow, not SGI shadow */
     if (msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
diff --git a/src/mesa/state_tracker/st_context.h 
b/src/mesa/state_tracker/st_context.h
index c6fc318..4d1aba6 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -187,6 +187,7 @@ struct st_context
    struct cso_context *cso_context;
 
    int force_msaa;
+   float min_anisotropy;
    void *winsys_drawable_handle;
 
    /* User vertex buffers. */
diff --git a/src/mesa/state_tracker/st_manager.c 
b/src/mesa/state_tracker/st_manager.c
index a68544d..4d677a4 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -694,7 +694,9 @@ st_api_create_context(struct st_api *stapi, struct 
st_manager *smapi,
 
    st->invalidate_on_gl_viewport =
       smapi->get_param(smapi, ST_MANAGER_BROKEN_INVALIDATE);
-
+   st->force_msaa = 0; // ToDo: Ask driconf for it
+   st->min_anisotropy = (float)smapi->get_param(smapi, ST_GLOBAL_ANISOTROPY);
+   
    st->iface.destroy = st_context_destroy;
    st->iface.notify_invalid_framebuffer =
       st_context_notify_invalid_framebuffer;
-- 
1.7.1

_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev

Reply via email to