vk: Add four unit tests for our lock-free data-structures
[mesa.git] / src / mesa / drivers / dri / i965 / intel_tex.c
index 0e08aab5633f84dadc86524e568085cb9e8203bc..b0181ad1d75d688d912e543d1f46691b85cdcd54 100644 (file)
@@ -5,6 +5,7 @@
 #include "main/mipmap.h"
 #include "drivers/common/meta.h"
 #include "brw_context.h"
+#include "intel_buffer_objects.h"
 #include "intel_mipmap_tree.h"
 #include "intel_tex.h"
 #include "intel_fbo.h"
@@ -14,7 +15,7 @@
 static struct gl_texture_image *
 intelNewTextureImage(struct gl_context * ctx)
 {
-   DBG("%s\n", __FUNCTION__);
+   DBG("%s\n", __func__);
    (void) ctx;
    return (struct gl_texture_image *) CALLOC_STRUCT(intel_texture_image);
 }
@@ -34,7 +35,7 @@ intelNewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
 
    (void) ctx;
 
-   DBG("%s\n", __FUNCTION__);
+   DBG("%s\n", __func__);
 
    if (obj == NULL)
       return NULL;
@@ -87,12 +88,12 @@ intel_alloc_texture_image_buffer(struct gl_context *ctx,
        intel_miptree_match_image(intel_texobj->mt, image)) {
       intel_miptree_reference(&intel_image->mt, intel_texobj->mt);
       DBG("%s: alloc obj %p level %d %dx%dx%d using object's miptree %p\n",
-          __FUNCTION__, texobj, image->Level,
+          __func__, texobj, image->Level,
           image->Width, image->Height, image->Depth, intel_texobj->mt);
    } else {
       intel_image->mt = intel_miptree_create_for_teximage(brw, intel_texobj,
                                                           intel_image,
-                                                          false);
+                                                          0);
 
       /* Even if the object currently has a mipmap tree associated
        * with it, this one is a more likely candidate to represent the
@@ -102,7 +103,7 @@ intel_alloc_texture_image_buffer(struct gl_context *ctx,
       intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
 
       DBG("%s: alloc obj %p level %d %dx%dx%d using new miptree %p\n",
-          __FUNCTION__, texobj, image->Level,
+          __func__, texobj, image->Level,
           image->Width, image->Height, image->Depth, intel_image->mt);
    }
 
@@ -114,7 +115,7 @@ intel_alloc_texture_image_buffer(struct gl_context *ctx,
 /**
  * ctx->Driver.AllocTextureStorage() handler.
  *
- * Compare this to _mesa_alloc_texture_storage, which would call into
+ * Compare this to _mesa_AllocTextureStorage_sw, which would call into
  * intel_alloc_texture_image_buffer() above.
  */
 static GLboolean
@@ -143,10 +144,12 @@ intel_alloc_texture_storage(struct gl_context *ctx,
                                               first_image->TexFormat,
                                               0, levels - 1,
                                               width, height, depth,
-                                              false, /* expect_accelerated */
                                               num_samples,
-                                              INTEL_MIPTREE_TILING_ANY);
+                                              INTEL_MIPTREE_TILING_ANY, 0);
 
+      if (intel_texobj->mt == NULL) {
+         return false;
+      }
    }
 
    for (face = 0; face < numFaces; face++) {
@@ -168,6 +171,7 @@ intel_alloc_texture_storage(struct gl_context *ctx,
    intel_texobj->needs_validate = false;
    intel_texobj->validated_first_level = 0;
    intel_texobj->validated_last_level = levels - 1;
+   intel_texobj->_Format = intel_texobj->mt->format;
 
    return true;
 }
@@ -179,7 +183,7 @@ intel_free_texture_image_buffer(struct gl_context * ctx,
 {
    struct intel_texture_image *intelImage = intel_texture_image(texImage);
 
-   DBG("%s\n", __FUNCTION__);
+   DBG("%s\n", __func__);
 
    intel_miptree_release(&intelImage->mt);
 
@@ -200,11 +204,12 @@ intel_map_texture_image(struct gl_context *ctx,
                        GLuint x, GLuint y, GLuint w, GLuint h,
                        GLbitfield mode,
                        GLubyte **map,
-                       GLint *stride)
+                       GLint *out_stride)
 {
    struct brw_context *brw = brw_context(ctx);
    struct intel_texture_image *intel_image = intel_texture_image(tex_image);
    struct intel_mipmap_tree *mt = intel_image->mt;
+   ptrdiff_t stride;
 
    /* Our texture data is always stored in a miptree. */
    assert(mt);
@@ -219,8 +224,13 @@ intel_map_texture_image(struct gl_context *ctx,
    if (tex_image->TexObject->Target == GL_TEXTURE_CUBE_MAP)
       slice = tex_image->Face;
 
-   intel_miptree_map(brw, mt, tex_image->Level, slice, x, y, w, h, mode,
-                    (void **)map, stride);
+   intel_miptree_map(brw, mt,
+                     tex_image->Level + tex_image->TexObject->MinLevel,
+                     slice + tex_image->TexObject->MinLayer,
+                     x, y, w, h, mode,
+                     (void **)map, &stride);
+
+   *out_stride = stride;
 }
 
 static void
@@ -234,7 +244,117 @@ intel_unmap_texture_image(struct gl_context *ctx,
    if (tex_image->TexObject->Target == GL_TEXTURE_CUBE_MAP)
       slice = tex_image->Face;
 
-   intel_miptree_unmap(brw, mt, tex_image->Level, slice);
+   intel_miptree_unmap(brw, mt,
+         tex_image->Level + tex_image->TexObject->MinLevel,
+         slice + tex_image->TexObject->MinLayer);
+}
+
+static GLboolean
+intel_texture_view(struct gl_context *ctx,
+                   struct gl_texture_object *texObj,
+                   struct gl_texture_object *origTexObj)
+{
+   struct brw_context *brw = brw_context(ctx);
+   struct intel_texture_object *intel_tex = intel_texture_object(texObj);
+   struct intel_texture_object *intel_orig_tex = intel_texture_object(origTexObj);
+
+   assert(intel_orig_tex->mt);
+   intel_miptree_reference(&intel_tex->mt, intel_orig_tex->mt);
+
+   /* Since we can only make views of immutable-format textures,
+    * we can assume that everything is in origTexObj's miptree.
+    *
+    * Mesa core has already made us a copy of all the teximage objects,
+    * except it hasn't copied our mt pointers, etc.
+    */
+   const int numFaces = _mesa_num_tex_faces(texObj->Target);
+   const int numLevels = texObj->NumLevels;
+
+   int face;
+   int level;
+
+   for (face = 0; face < numFaces; face++) {
+      for (level = 0; level < numLevels; level++) {
+         struct gl_texture_image *image = texObj->Image[face][level];
+         struct intel_texture_image *intel_image = intel_texture_image(image);
+
+         intel_miptree_reference(&intel_image->mt, intel_orig_tex->mt);
+      }
+   }
+
+   /* The miptree is in a validated state, so no need to check later. */
+   intel_tex->needs_validate = false;
+   intel_tex->validated_first_level = 0;
+   intel_tex->validated_last_level = numLevels - 1;
+
+   /* Set the validated texture format, with the same adjustments that
+    * would have been applied to determine the underlying texture's
+    * mt->format.
+    */
+   intel_tex->_Format = intel_depth_format_for_depthstencil_format(
+         intel_lower_compressed_format(brw, texObj->Image[0][0]->TexFormat));
+
+   return GL_TRUE;
+}
+
+static bool
+intel_set_texture_storage_for_buffer_object(struct gl_context *ctx,
+                                            struct gl_texture_object *tex_obj,
+                                            struct gl_buffer_object *buffer_obj,
+                                            uint32_t buffer_offset,
+                                            uint32_t row_stride,
+                                            bool read_only)
+{
+   struct brw_context *brw = brw_context(ctx);
+   struct intel_texture_object *intel_texobj = intel_texture_object(tex_obj);
+   struct gl_texture_image *image = tex_obj->Image[0][0];
+   struct intel_texture_image *intel_image = intel_texture_image(image);
+   struct intel_buffer_object *intel_buffer_obj = intel_buffer_object(buffer_obj);
+
+   if (!read_only) {
+      /* Renderbuffers have the restriction that the buffer offset and
+       * surface pitch must be a multiple of the element size.  If it's
+       * not, we have to fail and fall back to software.
+       */
+      int cpp = _mesa_get_format_bytes(image->TexFormat);
+      if (buffer_offset % cpp || row_stride % cpp) {
+         perf_debug("Bad PBO alignment; fallback to CPU mapping\n");
+         return false;
+      }
+
+      if (!brw->format_supported_as_render_target[image->TexFormat]) {
+         perf_debug("Non-renderable PBO format; fallback to CPU mapping\n");
+         return false;
+      }
+   }
+
+   assert(intel_texobj->mt == NULL);
+
+   drm_intel_bo *bo = intel_bufferobj_buffer(brw, intel_buffer_obj,
+                                             buffer_offset,
+                                             row_stride * image->Height);
+   intel_texobj->mt =
+      intel_miptree_create_for_bo(brw, bo,
+                                  image->TexFormat,
+                                  buffer_offset,
+                                  image->Width, image->Height, image->Depth,
+                                  row_stride,
+                                  0);
+   if (!intel_texobj->mt)
+      return false;
+
+   if (!_swrast_init_texture_image(image))
+      return false;
+
+   intel_miptree_reference(&intel_image->mt, intel_texobj->mt);
+
+   /* The miptree is in a validated state, so no need to check later. */
+   intel_texobj->needs_validate = false;
+   intel_texobj->validated_first_level = 0;
+   intel_texobj->validated_last_level = 0;
+   intel_texobj->_Format = intel_texobj->mt->format;
+
+   return true;
 }
 
 void
@@ -249,4 +369,7 @@ intelInitTextureFuncs(struct dd_function_table *functions)
    functions->AllocTextureStorage = intel_alloc_texture_storage;
    functions->MapTextureImage = intel_map_texture_image;
    functions->UnmapTextureImage = intel_unmap_texture_image;
+   functions->TextureView = intel_texture_view;
+   functions->SetTextureStorageForBufferObject =
+      intel_set_texture_storage_for_buffer_object;
 }