int sampler_count;
struct wm_sampler_entry {
+ GLenum tex_target;
GLenum wrap_r, wrap_s, wrap_t;
float maxlod, minlod;
float lod_bias;
sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC;
if (key->max_aniso > 2.0) {
- sampler->ss3.max_aniso = MAX2((key->max_aniso - 2) / 2,
+ sampler->ss3.max_aniso = MIN2((key->max_aniso - 2) / 2,
BRW_ANISORATIO_16);
}
}
}
}
- sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r);
- sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s);
- sampler->ss1.t_wrap_mode = translate_wrap_mode(key->wrap_t);
-
- /* Fulsim complains if I don't do this. Hardware doesn't mind:
- */
-#if 0
- if (texObj->Target == GL_TEXTURE_CUBE_MAP_ARB) {
+ if (key->tex_target == GL_TEXTURE_CUBE_MAP &&
+ (key->minfilter != GL_NEAREST || key->magfilter != GL_NEAREST)) {
+ /* If we're using anything but nearest sampling for a cube map, we
+ * need to set this wrap mode to avoid GPU lock-ups.
+ */
sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CUBE;
sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE;
sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE;
}
-#endif
+ else if (key->tex_target == GL_TEXTURE_1D) {
+ /* There's a bug in 1D texture sampling - it actually pays
+ * attention to the wrap_t value, though it should not.
+ * Override the wrap_t value here to GL_REPEAT to keep
+ * any nonexistent border pixels from floating in.
+ */
+ sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r);
+ sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s);
+ sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_WRAP;
+ }
+ else {
+ sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r);
+ sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s);
+ sampler->ss1.t_wrap_mode = translate_wrap_mode(key->wrap_t);
+ }
/* Set shadow function:
*/
sampler->ss2.default_color_pointer = sdc_bo->offset >> 5; /* reloc */
}
+
/** Sets up the cache key for sampler state for all texture units */
static void
brw_wm_sampler_populate_key(struct brw_context *brw,
struct wm_sampler_key *key)
{
+ GLcontext *ctx = &brw->intel.ctx;
int unit;
memset(key, 0, sizeof(*key));
for (unit = 0; unit < BRW_MAX_TEX_UNIT; unit++) {
- if (brw->attribs.Texture->Unit[unit]._ReallyEnabled) {
+ if (ctx->Texture.Unit[unit]._ReallyEnabled) {
struct wm_sampler_entry *entry = &key->sampler[unit];
- struct gl_texture_unit *texUnit = &brw->attribs.Texture->Unit[unit];
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *texObj = texUnit->_Current;
struct intel_texture_object *intelObj = intel_texture_object(texObj);
struct gl_texture_image *firstImage =
texObj->Image[0][intelObj->firstLevel];
+ entry->tex_target = texObj->Target;
+
entry->wrap_r = texObj->WrapR;
entry->wrap_s = texObj->WrapS;
entry->wrap_t = texObj->WrapT;
entry->minfilter = texObj->MinFilter;
entry->magfilter = texObj->MagFilter;
entry->comparemode = texObj->CompareMode;
- entry->comparefunc = texObj->CompareFunc;
+ entry->comparefunc = texObj->CompareFunc;
dri_bo_unreference(brw->wm.sdc_bo[unit]);
if (firstImage->_BaseFormat == GL_DEPTH_COMPONENT) {
*/
static void upload_wm_samplers( struct brw_context *brw )
{
+ GLcontext *ctx = &brw->intel.ctx;
struct wm_sampler_key key;
int i;
/* Emit SDC relocations */
for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
- if (!brw->attribs.Texture->Unit[i]._ReallyEnabled)
+ if (!ctx->Texture.Unit[i]._ReallyEnabled)
continue;
dri_bo_emit_reloc(brw->wm.sampler_bo,