1 files changed, 26 insertions, 27 deletions

diff --git a/src/mesa/drivers/common/meta_generate_mipmap.c b/src/mesa/drivers/common/meta_generate_mipmap.c
index 2b942d6..f20fcac 100644
--- a/src/mesa/drivers/common/meta_generate_mipmap.c
+++ b/src/mesa/drivers/common/meta_generate_mipmap.c
@@ -137,8 +137,7 @@ _mesa_meta_glsl_generate_mipmap_cleanup(struct gl_context *ctx,
    _mesa_DeleteVertexArrays(1, &mipmap->VAO);
    mipmap->VAO = 0;
    _mesa_reference_buffer_object(ctx, &mipmap->buf_obj, NULL);
-   _mesa_DeleteSamplers(1, &mipmap->Sampler);
-   mipmap->Sampler = 0;
+   _mesa_reference_sampler_object(ctx, &mipmap->samp_obj, NULL);
 
    if (mipmap->FBO != 0) {
       _mesa_DeleteFramebuffers(1, &mipmap->FBO);
@@ -182,7 +181,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
                                       ctx->Extensions.ARB_fragment_shader;
    GLenum faceTarget;
    GLuint dstLevel;
-   GLuint samplerSave;
+   struct gl_sampler_object *samp_obj_save = NULL;
    GLint swizzle[4];
    GLboolean swizzleSaved = GL_FALSE;
 
@@ -213,8 +212,8 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
       _mesa_set_enable(ctx, target, GL_TRUE);
    }
 
-   samplerSave = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler ?
-      ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0;
+   _mesa_reference_sampler_object(ctx, &samp_obj_save,
+                                  ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler);
 
    /* We may have been called from glGenerateTextureMipmap with CurrentUnit
     * still set to 0, so we don't know when we can skip binding the texture.
@@ -223,30 +222,29 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
     */
    _mesa_BindTexture(target, texObj->Name);
 
-   if (!mipmap->Sampler) {
-      _mesa_GenSamplers(1, &mipmap->Sampler);
-      _mesa_BindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
-
-      _mesa_SamplerParameteri(mipmap->Sampler,
-                              GL_TEXTURE_MIN_FILTER,
-                              GL_LINEAR_MIPMAP_LINEAR);
-      _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-      _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-      _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-      _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
-
-      /* We don't want to encode or decode sRGB values; treat them as linear.
-       * This is not technically correct for GLES3 but we don't get any API
-       * error at the moment.
-       */
-      if (ctx->Extensions.EXT_texture_sRGB_decode) {
-         _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_SRGB_DECODE_EXT,
-               GL_SKIP_DECODE_EXT);
+   if (mipmap->samp_obj == NULL) {
+      mipmap->samp_obj =  ctx->Driver.NewSamplerObject(ctx, 0xDEADBEEF);
+      if (mipmap->samp_obj == NULL) {
+         /* This is a bit lazy.  Flag out of memory, and then don't bother to
+          * clean up.  Once out of memory is flagged, the only realistic next
+          * move is to destroy the context.  That will trigger all the right
+          * clean up.
+          */
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenerateMipmap");
+         return;
       }
-   } else {
-      _mesa_BindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
+
+      _mesa_set_sampler_filters(ctx, mipmap->samp_obj, GL_LINEAR_MIPMAP_LINEAR,
+                                GL_LINEAR);
+      _mesa_set_sampler_wrap(ctx, mipmap->samp_obj, GL_CLAMP_TO_EDGE,
+                             GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE);
+
+      /* We don't want to encode or decode sRGB values; treat them as linear. */
+      _mesa_set_sampler_srgb_decode(ctx, mipmap->samp_obj, GL_SKIP_DECODE_EXT);
    }
 
+   _mesa_bind_sampler(ctx, ctx->Texture.CurrentUnit, mipmap->samp_obj);
+
    assert(mipmap->FBO != 0);
    _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
 
@@ -370,7 +368,8 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
 
    _mesa_lock_texture(ctx, texObj); /* relock */
 
-   _mesa_BindSampler(ctx->Texture.CurrentUnit, samplerSave);
+   _mesa_bind_sampler(ctx, ctx->Texture.CurrentUnit, samp_obj_save);
+   _mesa_reference_sampler_object(ctx, &samp_obj_save, NULL);
 
    _mesa_meta_end(ctx);