mesa/st: Reuse st_choose_matching_format from st_choose_format().
[mesa.git] / src / mesa / state_tracker / st_cb_texture.c
index 25ea52924d27b32918b5d74987615a3e6a677eb5..ace19c59b0eb5ef7e1acacc5dd467da451036fa4 100644 (file)
@@ -1,8 +1,8 @@
 /**************************************************************************
- * 
+ *
  * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * distribute, sub license, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice (including the
  * next paragraph) shall be included in all copies or substantial portions
  * of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
+ *
  **************************************************************************/
 
 #include <stdio.h>
 #include "main/bufferobj.h"
 #include "main/enums.h"
+#include "main/errors.h"
 #include "main/fbobject.h"
 #include "main/formats.h"
 #include "main/format_utils.h"
@@ -40,6 +41,7 @@
 #include "main/pbo.h"
 #include "main/pixeltransfer.h"
 #include "main/texcompress.h"
+#include "main/texcompress_astc.h"
 #include "main/texcompress_etc.h"
 #include "main/texgetimage.h"
 #include "main/teximage.h"
@@ -60,6 +62,7 @@
 #include "state_tracker/st_gen_mipmap.h"
 #include "state_tracker/st_atom.h"
 #include "state_tracker/st_sampler_view.h"
+#include "state_tracker/st_util.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
@@ -67,7 +70,7 @@
 #include "util/u_upload_mgr.h"
 #include "pipe/p_shader_tokens.h"
 #include "util/u_tile.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
 #include "util/u_surface.h"
 #include "util/u_sampler.h"
 #include "util/u_math.h"
@@ -151,17 +154,35 @@ static struct gl_texture_object *
 st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
 {
    struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object);
+   if (!obj)
+      return NULL;
+
+   obj->level_override = -1;
+   obj->layer_override = -1;
+
+   /* Pre-allocate a sampler views container to save a branch in the
+    * fast path.
+    */
+   obj->sampler_views = calloc(1, sizeof(struct st_sampler_views)
+                               + sizeof(struct st_sampler_view));
+   if (!obj->sampler_views) {
+      free(obj);
+      return NULL;
+   }
+   obj->sampler_views->max = 1;
 
    DBG("%s\n", __func__);
    _mesa_initialize_texture_object(ctx, &obj->base, name, target);
 
+   simple_mtx_init(&obj->validate_mutex, mtx_plain);
    obj->needs_validation = true;
 
    return &obj->base;
 }
 
+
 /** called via ctx->Driver.DeleteTextureObject() */
-static void 
+static void
 st_DeleteTextureObject(struct gl_context *ctx,
                        struct gl_texture_object *texObj)
 {
@@ -169,8 +190,8 @@ st_DeleteTextureObject(struct gl_context *ctx,
    struct st_texture_object *stObj = st_texture_object(texObj);
 
    pipe_resource_reference(&stObj->pt, NULL);
-   st_texture_release_all_sampler_views(st, stObj);
-   st_texture_free_sampler_views(stObj);
+   st_delete_texture_sampler_views(st, stObj);
+   simple_mtx_destroy(&stObj->validate_mutex);
    _mesa_delete_texture_object(ctx, texObj);
 }
 
@@ -194,9 +215,9 @@ st_FreeTextureImageBuffer(struct gl_context *ctx,
    stImage->transfer = NULL;
    stImage->num_transfers = 0;
 
-   if (stImage->etc_data) {
-      free(stImage->etc_data);
-      stImage->etc_data = NULL;
+   if (stImage->compressed_data) {
+      free(stImage->compressed_data);
+      stImage->compressed_data = NULL;
    }
 
    /* if the texture image is being deallocated, the structure of the
@@ -205,33 +226,45 @@ st_FreeTextureImageBuffer(struct gl_context *ctx,
    st_texture_release_all_sampler_views(st, stObj);
 }
 
+
 bool
-st_etc_fallback(struct st_context *st, struct gl_texture_image *texImage)
+st_compressed_format_fallback(struct st_context *st, mesa_format format)
 {
-   return (_mesa_is_format_etc2(texImage->TexFormat) && !st->has_etc2) ||
-          (texImage->TexFormat == MESA_FORMAT_ETC1_RGB8 && !st->has_etc1);
+   if (format == MESA_FORMAT_ETC1_RGB8)
+      return !st->has_etc1;
+
+   if (_mesa_is_format_etc2(format))
+      return !st->has_etc2;
+
+   if (_mesa_is_format_astc_2d(format))
+      return !st->has_astc_2d_ldr;
+
+   return false;
 }
 
+
 static void
-etc_fallback_allocate(struct st_context *st, struct st_texture_image *stImage)
+compressed_tex_fallback_allocate(struct st_context *st,
+                                 struct st_texture_image *stImage)
 {
    struct gl_texture_image *texImage = &stImage->base;
 
-   if (!st_etc_fallback(st, texImage))
+   if (!st_compressed_format_fallback(st, texImage->TexFormat))
       return;
 
-   if (stImage->etc_data)
-      free(stImage->etc_data);
+   if (stImage->compressed_data)
+      free(stImage->compressed_data);
 
    unsigned data_size = _mesa_format_image_size(texImage->TexFormat,
                                                 texImage->Width2,
                                                 texImage->Height2,
                                                 texImage->Depth2);
 
-   stImage->etc_data =
+   stImage->compressed_data =
       malloc(data_size * _mesa_num_tex_faces(texImage->TexObject->Target));
 }
 
+
 /** called via ctx->Driver.MapTextureImage() */
 static void
 st_MapTextureImage(struct gl_context *ctx,
@@ -242,38 +275,43 @@ st_MapTextureImage(struct gl_context *ctx,
 {
    struct st_context *st = st_context(ctx);
    struct st_texture_image *stImage = st_texture_image(texImage);
-   unsigned pipeMode;
    GLubyte *map;
    struct pipe_transfer *transfer;
 
-   pipeMode = 0x0;
-   if (mode & GL_MAP_READ_BIT)
-      pipeMode |= PIPE_TRANSFER_READ;
-   if (mode & GL_MAP_WRITE_BIT)
-      pipeMode |= PIPE_TRANSFER_WRITE;
-   if (mode & GL_MAP_INVALIDATE_RANGE_BIT)
-      pipeMode |= PIPE_TRANSFER_DISCARD_RANGE;
+   /* Check for unexpected flags */
+   assert((mode & ~(GL_MAP_READ_BIT |
+                    GL_MAP_WRITE_BIT |
+                    GL_MAP_INVALIDATE_RANGE_BIT)) == 0);
+
+   const enum pipe_transfer_usage transfer_flags =
+      st_access_flags_to_transfer_flags(mode, false);
 
-   map = st_texture_image_map(st, stImage, pipeMode, x, y, slice, w, h, 1,
+   map = st_texture_image_map(st, stImage, transfer_flags, x, y, slice, w, h, 1,
                               &transfer);
    if (map) {
-      if (st_etc_fallback(st, texImage)) {
-         /* ETC isn't supported by all gallium drivers, where it's represented
-          * by uncompressed formats. We store the compressed data (as it's
-          * needed for image copies in OES_copy_image), and decompress as
-          * necessary in Unmap.
+      if (st_compressed_format_fallback(st, texImage->TexFormat)) {
+         /* Some compressed formats don't have to be supported by drivers,
+          * and st/mesa transparently handles decompression on upload (Unmap),
+          * so that drivers don't see the compressed formats.
           *
-          * Note: all ETC1/ETC2 formats have 4x4 block sizes.
+          * We store the compressed data (it's needed for glGetCompressedTex-
+          * Image and image copies in OES_copy_image).
           */
          unsigned z = transfer->box.z;
          struct st_texture_image_transfer *itransfer = &stImage->transfer[z];
 
-         unsigned bytes = _mesa_get_format_bytes(texImage->TexFormat);
+         unsigned blk_w, blk_h;
+         _mesa_get_format_block_size(texImage->TexFormat, &blk_w, &blk_h);
+
+         unsigned y_blocks = DIV_ROUND_UP(texImage->Height2, blk_h);
          unsigned stride = *rowStrideOut = itransfer->temp_stride =
             _mesa_format_row_stride(texImage->TexFormat, texImage->Width2);
+         unsigned block_size = _mesa_get_format_bytes(texImage->TexFormat);
+
          *mapOut = itransfer->temp_data =
-            stImage->etc_data + ((x / 4) * bytes + (y / 4) * stride) +
-            z * stride * texImage->Height2 / 4;
+            stImage->compressed_data +
+            (z * y_blocks + (y / blk_h)) * stride +
+            (x / blk_w) * block_size;
          itransfer->map = map;
       }
       else {
@@ -298,8 +336,9 @@ st_UnmapTextureImage(struct gl_context *ctx,
    struct st_context *st = st_context(ctx);
    struct st_texture_image *stImage  = st_texture_image(texImage);
 
-   if (st_etc_fallback(st, texImage)) {
-      /* Decompress the ETC texture to the mapped one. */
+   if (st_compressed_format_fallback(st, texImage->TexFormat)) {
+      /* Decompress the compressed image on upload if the driver doesn't
+       * support the compressed format. */
       unsigned z = slice + stImage->base.Face;
       struct st_texture_image_transfer *itransfer = &stImage->transfer[z];
       struct pipe_transfer *transfer = itransfer->transfer;
@@ -311,13 +350,24 @@ st_UnmapTextureImage(struct gl_context *ctx,
             _mesa_etc1_unpack_rgba8888(itransfer->map, transfer->stride,
                                        itransfer->temp_data,
                                        itransfer->temp_stride,
-                                       transfer->box.width, transfer->box.height);
-         }
-         else {
+                                       transfer->box.width,
+                                       transfer->box.height);
+         } else if (_mesa_is_format_etc2(texImage->TexFormat)) {
+            bool bgra = stImage->pt->format == PIPE_FORMAT_B8G8R8A8_SRGB;
             _mesa_unpack_etc2_format(itransfer->map, transfer->stride,
-                                     itransfer->temp_data, itransfer->temp_stride,
+                                     itransfer->temp_data,
+                                     itransfer->temp_stride,
+                                     transfer->box.width, transfer->box.height,
+                                     texImage->TexFormat,
+                                     bgra);
+         } else if (_mesa_is_format_astc_2d(texImage->TexFormat)) {
+            _mesa_unpack_astc_2d_ldr(itransfer->map, transfer->stride,
+                                     itransfer->temp_data,
+                                     itransfer->temp_stride,
                                      transfer->box.width, transfer->box.height,
                                      texImage->TexFormat);
+         } else {
+            unreachable("unexpected format for a compressed format fallback");
          }
       }
 
@@ -345,13 +395,13 @@ default_bindings(struct st_context *st, enum pipe_format format)
    else
       bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 
-   if (screen->is_format_supported(screen, format, target, 0, bindings))
+   if (screen->is_format_supported(screen, format, target, 0, 0, bindings))
       return bindings;
    else {
       /* Try non-sRGB. */
       format = util_format_linear(format);
 
-      if (screen->is_format_supported(screen, format, target, 0, bindings))
+      if (screen->is_format_supported(screen, format, target, 0, 0, bindings))
          return bindings;
       else
          return PIPE_BIND_SAMPLER_VIEW;
@@ -372,7 +422,7 @@ static GLboolean
 guess_base_level_size(GLenum target,
                       GLuint width, GLuint height, GLuint depth, GLuint level,
                       GLuint *width0, GLuint *height0, GLuint *depth0)
-{ 
+{
    assert(width >= 1);
    assert(height >= 1);
    assert(depth >= 1);
@@ -476,6 +526,18 @@ allocate_full_mipmap(const struct st_texture_object *stObj,
       /* not a mipmap minification filter */
       return FALSE;
 
+   /* If the following sequence of GL calls is used:
+    *   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, ...
+    *   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    *
+    * we would needlessly allocate a mipmapped texture, because the initial
+    * MinFilter is GL_NEAREST_MIPMAP_LINEAR. Catch this case and don't
+    * allocate a mipmapped texture by default. This may cause texture
+    * reallocation later, but GL_NEAREST_MIPMAP_LINEAR is pretty rare.
+    */
+   if (stObj->base.Sampler.MinFilter == GL_NEAREST_MIPMAP_LINEAR)
+      return FALSE;
+
    if (stObj->base.Target == GL_TEXTURE_3D)
       /* 3D textures are seldom mipmapped */
       return FALSE;
@@ -494,8 +556,8 @@ allocate_full_mipmap(const struct st_texture_object *stObj,
  */
 static GLboolean
 guess_and_alloc_texture(struct st_context *st,
-                       struct st_texture_object *stObj,
-                       const struct st_texture_image *stImage)
+                        struct st_texture_object *stObj,
+                        const struct st_texture_image *stImage)
 {
    const struct gl_texture_image *firstImage;
    GLuint lastLevel, width, height, depth;
@@ -611,7 +673,7 @@ st_AllocTextureImageBuffer(struct gl_context *ctx,
 
    stObj->needs_validation = true;
 
-   etc_fallback_allocate(st, stImage);
+   compressed_tex_fallback_allocate(st, stImage);
 
    /* Look if the parent texture object has space for this image */
    if (stObj->pt &&
@@ -695,8 +757,8 @@ prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage,
 
       assert(!st_texture_image(texImage)->pt);
       _mesa_clear_texture_object(ctx, texObj, texImage);
-      stObj->layer_override = 0;
-      stObj->level_override = 0;
+      stObj->layer_override = -1;
+      stObj->level_override = -1;
       pipe_resource_reference(&stObj->pt, NULL);
 
       /* oops, need to init this image again */
@@ -747,6 +809,7 @@ st_get_blit_mask(GLenum srcFormat, GLenum dstFormat)
 
    case GL_STENCIL_INDEX:
       switch (srcFormat) {
+      case GL_DEPTH_STENCIL:
       case GL_STENCIL_INDEX:
          return PIPE_MASK_S;
       default:
@@ -787,6 +850,7 @@ unswizzle_format(enum pipe_format format)
    }
 }
 
+
 /**
  * Converts PIPE_FORMAT_A* to PIPE_FORMAT_R*.
  */
@@ -827,6 +891,7 @@ alpha_to_red(enum pipe_format format)
    }
 }
 
+
 /**
  * Converts PIPE_FORMAT_R*A* to PIPE_FORMAT_R*G*.
  */
@@ -867,6 +932,7 @@ red_alpha_to_red_green(enum pipe_format format)
    }
 }
 
+
 /**
  * Converts PIPE_FORMAT_L*A* to PIPE_FORMAT_R*G*.
  */
@@ -907,6 +973,7 @@ luminance_alpha_to_red_green(enum pipe_format format)
    }
 }
 
+
 /**
  * Returns true if format is a PIPE_FORMAT_A* format, and false otherwise.
  */
@@ -925,6 +992,7 @@ format_is_alpha(enum pipe_format format)
    return false;
 }
 
+
 /**
  * Returns true if format is a PIPE_FORMAT_R* format, and false otherwise.
  */
@@ -980,6 +1048,7 @@ format_is_red_alpha(enum pipe_format format)
    return false;
 }
 
+
 static bool
 format_is_swizzled_rgba(enum pipe_format format)
 {
@@ -994,6 +1063,7 @@ format_is_swizzled_rgba(enum pipe_format format)
     return true;
 }
 
+
 struct format_table
 {
    unsigned char swizzle[4];
@@ -1155,7 +1225,6 @@ try_pbo_upload_common(struct gl_context *ctx,
       return false;
 
    cso_save_state(cso, (CSO_BIT_FRAGMENT_SAMPLER_VIEWS |
-                        CSO_BIT_FRAGMENT_SAMPLERS |
                         CSO_BIT_VERTEX_ELEMENTS |
                         CSO_BIT_AUX_VERTEX_BUFFER_SLOT |
                         CSO_BIT_FRAMEBUFFER |
@@ -1164,7 +1233,7 @@ try_pbo_upload_common(struct gl_context *ctx,
                         CSO_BIT_DEPTH_STENCIL_ALPHA |
                         CSO_BIT_RASTERIZER |
                         CSO_BIT_STREAM_OUTPUTS |
-                        CSO_BIT_PAUSE_QUERIES |
+                        (st->active_queries ? CSO_BIT_PAUSE_QUERIES : 0) |
                         CSO_BIT_SAMPLE_MASK |
                         CSO_BIT_MIN_SAMPLES |
                         CSO_BIT_RENDER_CONDITION |
@@ -1179,8 +1248,6 @@ try_pbo_upload_common(struct gl_context *ctx,
    {
       struct pipe_sampler_view templ;
       struct pipe_sampler_view *sampler_view;
-      struct pipe_sampler_state sampler = {0};
-      const struct pipe_sampler_state *samplers[1] = {&sampler};
 
       memset(&templ, 0, sizeof(templ));
       templ.target = PIPE_BUFFER;
@@ -1200,8 +1267,6 @@ try_pbo_upload_common(struct gl_context *ctx,
       cso_set_sampler_views(cso, PIPE_SHADER_FRAGMENT, 1, &sampler_view);
 
       pipe_sampler_view_reference(&sampler_view, NULL);
-
-      cso_set_samplers(cso, PIPE_SHADER_FRAGMENT, 1, samplers);
    }
 
    /* Framebuffer_state */
@@ -1211,11 +1276,9 @@ try_pbo_upload_common(struct gl_context *ctx,
       fb.width = surface->width;
       fb.height = surface->height;
       fb.nr_cbufs = 1;
-      pipe_surface_reference(&fb.cbufs[0], surface);
+      fb.cbufs[0] = surface;
 
       cso_set_framebuffer(cso, &fb);
-
-      pipe_surface_reference(&fb.cbufs[0], NULL);
    }
 
    cso_set_viewport_dims(cso, surface->width, surface->height, FALSE);
@@ -1242,6 +1305,7 @@ fail:
    return success;
 }
 
+
 static bool
 try_pbo_upload(struct gl_context *ctx, GLuint dims,
                struct gl_texture_image *texImage,
@@ -1283,7 +1347,8 @@ try_pbo_upload(struct gl_context *ctx, GLuint dims,
     * support at all because of the remapping we later perform and because
     * at least the Radeon driver actually supports some formats for texture
     * buffers which it doesn't support for regular textures. */
-   src_format = st_choose_matching_format(st, 0, format, type, unpack->SwapBytes);
+   src_format = st_choose_matching_format(st, 0, format, type,
+                                          unpack->SwapBytes);
    if (!src_format) {
       return false;
    }
@@ -1306,13 +1371,13 @@ try_pbo_upload(struct gl_context *ctx, GLuint dims,
 
       if (dst_format != orig_dst_format &&
           !screen->is_format_supported(screen, dst_format, PIPE_TEXTURE_2D, 0,
-                                       PIPE_BIND_RENDER_TARGET)) {
+                                       0, PIPE_BIND_RENDER_TARGET)) {
          return false;
       }
    }
 
    if (!src_format ||
-       !screen->is_format_supported(screen, src_format, PIPE_BUFFER, 0,
+       !screen->is_format_supported(screen, src_format, PIPE_BUFFER, 0, 0,
                                     PIPE_BIND_SAMPLER_VIEW)) {
       return false;
    }
@@ -1331,7 +1396,8 @@ try_pbo_upload(struct gl_context *ctx, GLuint dims,
 
    /* Set up the surface */
    {
-      unsigned level = stObj->pt != stImage->pt ? 0 : texImage->TexObject->MinLevel + texImage->Level;
+      unsigned level = stObj->pt != stImage->pt
+         ? 0 : texImage->TexObject->MinLevel + texImage->Level;
       unsigned max_layer = util_max_layer(texture, level);
 
       zoffset += texImage->Face + texImage->TexObject->MinLayer;
@@ -1355,6 +1421,7 @@ try_pbo_upload(struct gl_context *ctx, GLuint dims,
    return success;
 }
 
+
 static void
 st_TexSubImage(struct gl_context *ctx, GLuint dims,
                struct gl_texture_image *texImage,
@@ -1380,6 +1447,7 @@ st_TexSubImage(struct gl_context *ctx, GLuint dims,
    GLubyte *map;
    unsigned dstz = texImage->Face + texImage->TexObject->MinLayer;
    unsigned dst_level = 0;
+   bool throttled = false;
 
    st_flush_bitmap_cache(st);
    st_invalidate_readpix_cache(st);
@@ -1388,6 +1456,7 @@ st_TexSubImage(struct gl_context *ctx, GLuint dims,
       dst_level = texImage->TexObject->MinLevel + texImage->Level;
 
    assert(!_mesa_is_format_etc2(texImage->TexFormat) &&
+          !_mesa_is_format_astc_2d(texImage->TexFormat) &&
           texImage->TexFormat != MESA_FORMAT_ETC1_RGB8);
 
    if (!dst)
@@ -1418,6 +1487,10 @@ st_TexSubImage(struct gl_context *ctx, GLuint dims,
          layer_stride = stride;
       }
 
+      util_throttle_memory_usage(pipe, &st->throttle,
+                                 width * height * depth *
+                                 util_format_get_blocksize(dst->format));
+
       u_box_3d(xoffset, yoffset, zoffset + dstz, width, height, depth, &box);
       pipe->texture_subdata(pipe, dst, dst_level, 0,
                             &box, data, stride, layer_stride);
@@ -1456,7 +1529,8 @@ st_TexSubImage(struct gl_context *ctx, GLuint dims,
 
    if (!dst_format ||
        !screen->is_format_supported(screen, dst_format, dst->target,
-                                    dst->nr_samples, bind)) {
+                                    dst->nr_samples, dst->nr_storage_samples,
+                                    bind)) {
       goto fallback;
    }
 
@@ -1516,12 +1590,17 @@ st_TexSubImage(struct gl_context *ctx, GLuint dims,
 
    /* Check for NPOT texture support. */
    if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES) &&
-       (!util_is_power_of_two(src_templ.width0) ||
-        !util_is_power_of_two(src_templ.height0) ||
-        !util_is_power_of_two(src_templ.depth0))) {
+       (!util_is_power_of_two_or_zero(src_templ.width0) ||
+        !util_is_power_of_two_or_zero(src_templ.height0) ||
+        !util_is_power_of_two_or_zero(src_templ.depth0))) {
       goto fallback;
    }
 
+   util_throttle_memory_usage(pipe, &st->throttle,
+                              width * height * depth *
+                              util_format_get_blocksize(src_templ.format));
+   throttled = true;
+
    /* Create the source texture. */
    src = screen->resource_create(screen, &src_templ);
    if (!src) {
@@ -1612,11 +1691,17 @@ st_TexSubImage(struct gl_context *ctx, GLuint dims,
    return;
 
 fallback:
+   if (!throttled) {
+      util_throttle_memory_usage(pipe, &st->throttle,
+                                 width * height * depth *
+                                 _mesa_get_format_bytes(texImage->TexFormat));
+   }
    _mesa_store_texsubimage(ctx, dims, texImage, xoffset, yoffset, zoffset,
                            width, height, depth, format, type, pixels,
                            unpack);
 }
 
+
 static void
 st_TexImage(struct gl_context * ctx, GLuint dims,
             struct gl_texture_image *texImage,
@@ -1672,10 +1757,8 @@ st_CompressedTexSubImage(struct gl_context *ctx, GLuint dims,
    if (!_mesa_is_bufferobj(ctx->Unpack.BufferObj))
       goto fallback;
 
-   if (st_etc_fallback(st, texImage)) {
-      /* ETC isn't supported and is represented by uncompressed formats. */
+   if (st_compressed_format_fallback(st, texImage->TexFormat))
       goto fallback;
-   }
 
    if (!dst) {
       goto fallback;
@@ -1702,13 +1785,14 @@ st_CompressedTexSubImage(struct gl_context *ctx, GLuint dims,
       goto fallback;
    }
 
-   if (!screen->is_format_supported(screen, copy_format, PIPE_BUFFER, 0,
+   if (!screen->is_format_supported(screen, copy_format, PIPE_BUFFER, 0, 0,
                                     PIPE_BIND_SAMPLER_VIEW)) {
       goto fallback;
    }
 
    if (!screen->is_format_supported(screen, copy_format, dst->target,
-                                    dst->nr_samples, PIPE_BIND_RENDER_TARGET)) {
+                                    dst->nr_samples, dst->nr_storage_samples,
+                                    PIPE_BIND_RENDER_TARGET)) {
       goto fallback;
    }
 
@@ -1735,13 +1819,15 @@ st_CompressedTexSubImage(struct gl_context *ctx, GLuint dims,
    addr.pixels_per_row = store.TotalBytesPerRow / addr.bytes_per_pixel;
    addr.image_height = store.TotalRowsPerSlice;
 
-   if (!st_pbo_addresses_setup(st, st_buffer_object(ctx->Unpack.BufferObj)->buffer,
+   if (!st_pbo_addresses_setup(st,
+                               st_buffer_object(ctx->Unpack.BufferObj)->buffer,
                                buf_offset, &addr))
       goto fallback;
 
    /* Set up the surface. */
    {
-      unsigned level = stObj->pt != stImage->pt ? 0 : texImage->TexObject->MinLevel + texImage->Level;
+      unsigned level = stObj->pt != stImage->pt
+         ? 0 : texImage->TexObject->MinLevel + texImage->Level;
       unsigned max_layer = util_max_layer(texture, level);
 
       z += texImage->Face + texImage->TexObject->MinLayer;
@@ -1771,6 +1857,7 @@ fallback:
                                       format, imageSize, data);
 }
 
+
 static void
 st_CompressedTexImage(struct gl_context *ctx, GLuint dims,
                       struct gl_texture_image *texImage,
@@ -1807,8 +1894,6 @@ st_CompressedTexImage(struct gl_context *ctx, GLuint dims,
 }
 
 
-
-
 /**
  * Called via ctx->Driver.GetTexSubImage()
  *
@@ -1850,6 +1935,7 @@ st_GetTexSubImage(struct gl_context * ctx,
    boolean done = FALSE;
 
    assert(!_mesa_is_format_etc2(texImage->TexFormat) &&
+          !_mesa_is_format_astc_2d(texImage->TexFormat) &&
           texImage->TexFormat != MESA_FORMAT_ETC1_RGB8);
 
    st_flush_bitmap_cache(st);
@@ -1902,7 +1988,7 @@ st_GetTexSubImage(struct gl_context * ctx,
 
    if (!src_format ||
        !screen->is_format_supported(screen, src_format, src->target,
-                                    src->nr_samples,
+                                    src->nr_samples, src->nr_storage_samples,
                                     PIPE_BIND_SAMPLER_VIEW)) {
       goto fallback;
    }
@@ -1921,7 +2007,7 @@ st_GetTexSubImage(struct gl_context * ctx,
    /* Choose the destination format by finding the best match
     * for the format+type combo. */
    dst_format = st_choose_matching_format(st, bind, format, type,
-                                         ctx->Pack.SwapBytes);
+                                          ctx->Pack.SwapBytes);
 
    if (dst_format == PIPE_FORMAT_NONE) {
       GLenum dst_glformat;
@@ -1942,6 +2028,23 @@ st_GetTexSubImage(struct gl_context * ctx,
       case PIPE_FORMAT_RGTC1_UNORM:
       case PIPE_FORMAT_RGTC2_UNORM:
       case PIPE_FORMAT_ETC1_RGB8:
+      case PIPE_FORMAT_ETC2_RGB8:
+      case PIPE_FORMAT_ETC2_RGB8A1:
+      case PIPE_FORMAT_ETC2_RGBA8:
+      case PIPE_FORMAT_ASTC_4x4:
+      case PIPE_FORMAT_ASTC_5x4:
+      case PIPE_FORMAT_ASTC_5x5:
+      case PIPE_FORMAT_ASTC_6x5:
+      case PIPE_FORMAT_ASTC_6x6:
+      case PIPE_FORMAT_ASTC_8x5:
+      case PIPE_FORMAT_ASTC_8x6:
+      case PIPE_FORMAT_ASTC_8x8:
+      case PIPE_FORMAT_ASTC_10x5:
+      case PIPE_FORMAT_ASTC_10x6:
+      case PIPE_FORMAT_ASTC_10x8:
+      case PIPE_FORMAT_ASTC_10x10:
+      case PIPE_FORMAT_ASTC_12x10:
+      case PIPE_FORMAT_ASTC_12x12:
       case PIPE_FORMAT_BPTC_RGBA_UNORM:
          dst_glformat = GL_RGBA8;
          break;
@@ -1957,13 +2060,38 @@ st_GetTexSubImage(struct gl_context * ctx,
             goto fallback;
          dst_glformat = GL_RGBA32F;
          break;
+      case PIPE_FORMAT_ETC2_R11_UNORM:
+         if (!screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM,
+                                          pipe_target, 0, 0, bind))
+            goto fallback;
+         dst_glformat = GL_R16;
+         break;
+      case PIPE_FORMAT_ETC2_R11_SNORM:
+         if (!screen->is_format_supported(screen, PIPE_FORMAT_R16_SNORM,
+                                          pipe_target, 0, 0, bind))
+            goto fallback;
+         dst_glformat = GL_R16_SNORM;
+         break;
+      case PIPE_FORMAT_ETC2_RG11_UNORM:
+         if (!screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
+                                          pipe_target, 0, 0, bind))
+            goto fallback;
+         dst_glformat = GL_RG16;
+         break;
+      case PIPE_FORMAT_ETC2_RG11_SNORM:
+         if (!screen->is_format_supported(screen, PIPE_FORMAT_R16G16_SNORM,
+                                          pipe_target, 0, 0, bind))
+            goto fallback;
+         dst_glformat = GL_RG16_SNORM;
+         break;
       default:
          assert(0);
          goto fallback;
       }
 
       dst_format = st_choose_format(st, dst_glformat, format, type,
-                                    pipe_target, 0, bind, FALSE);
+                                    pipe_target, 0, 0, bind,
+                                    false, false);
 
       if (dst_format == PIPE_FORMAT_NONE) {
          /* unable to get an rgba format!?! */
@@ -2251,8 +2379,8 @@ fallback_copy_texsubimage(struct gl_context *ctx,
           * need to fill-in/override the alpha channel with 1.0.
           */
          _mesa_texstore(ctx, dims,
-                        texImage->_BaseFormat, 
-                        texImage->TexFormat, 
+                        texImage->_BaseFormat,
+                        texImage->TexFormat,
                         dstRowStride,
                         &texDest,
                         width, height, 1,
@@ -2271,6 +2399,33 @@ fallback_copy_texsubimage(struct gl_context *ctx,
 }
 
 
+static bool
+st_can_copyteximage_using_blit(const struct gl_texture_image *texImage,
+                               const struct gl_renderbuffer *rb)
+{
+   GLenum tex_baseformat = _mesa_get_format_base_format(texImage->TexFormat);
+
+   /* We don't blit to a teximage where the GL base format doesn't match the
+    * texture's chosen format, except in the case of a GL_RGB texture
+    * represented with GL_RGBA (where the alpha channel is just being
+    * dropped).
+    */
+   if (texImage->_BaseFormat != tex_baseformat &&
+       ((texImage->_BaseFormat != GL_RGB || tex_baseformat != GL_RGBA))) {
+      return false;
+   }
+
+   /* We can't blit from a RB where the GL base format doesn't match the RB's
+    * chosen format (for example, GL RGB or ALPHA with rb->Format of an RGBA
+    * type, because the other channels will be undefined).
+    */
+   if (rb->_BaseFormat != _mesa_get_format_base_format(rb->Format))
+      return false;
+
+   return true;
+}
+
+
 /**
  * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
  * Note that the region to copy has already been clipped so we know we
@@ -2301,6 +2456,7 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
    st_invalidate_readpix_cache(st);
 
    assert(!_mesa_is_format_etc2(texImage->TexFormat) &&
+          !_mesa_is_format_astc_2d(texImage->TexFormat) &&
           texImage->TexFormat != MESA_FORMAT_ETC1_RGB8);
 
    if (!strb || !strb->surface || !stImage->pt) {
@@ -2313,12 +2469,7 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
       goto fallback;
    }
 
-   /* The base internal format must match the mesa format, so make sure
-    * e.g. an RGB internal format is really allocated as RGB and not as RGBA.
-    */
-   if (texImage->_BaseFormat !=
-       _mesa_get_format_base_format(texImage->TexFormat) ||
-       rb->_BaseFormat != _mesa_get_format_base_format(rb->Format)) {
+   if (!st_can_copyteximage_using_blit(texImage, rb)) {
       goto fallback;
    }
 
@@ -2338,7 +2489,8 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
 
    if (!dst_format ||
        !screen->is_format_supported(screen, dst_format, stImage->pt->target,
-                                    stImage->pt->nr_samples, bind)) {
+                                    stImage->pt->nr_samples,
+                                    stImage->pt->nr_storage_samples, bind)) {
       goto fallback;
    }
 
@@ -2367,7 +2519,8 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
    blit.src.box.depth = 1;
    blit.dst.resource = stImage->pt;
    blit.dst.format = dst_format;
-   blit.dst.level = stObj->pt != stImage->pt ? 0 : texImage->Level + texImage->TexObject->MinLevel;
+   blit.dst.level = stObj->pt != stImage->pt
+      ? 0 : texImage->Level + texImage->TexObject->MinLevel;
    blit.dst.box.x = destX;
    blit.dst.box.y = destY;
    blit.dst.box.z = stImage->base.Face + slice + texImage->TexObject->MinLayer;
@@ -2394,13 +2547,13 @@ fallback:
  */
 static void
 copy_image_data_to_texture(struct st_context *st,
-                          struct st_texture_object *stObj,
+                           struct st_texture_object *stObj,
                            GLuint dstLevel,
-                          struct st_texture_image *stImage)
+                           struct st_texture_image *stImage)
 {
    /* debug checks */
    {
-      const struct gl_texture_image MAYBE_UNUSED *dstImage =
+      ASSERTED const struct gl_texture_image *dstImage =
          stObj->base.Image[stImage->base.Face][dstLevel];
       assert(dstImage);
       assert(dstImage->Width == stImage->base.Width);
@@ -2443,9 +2596,9 @@ copy_image_data_to_texture(struct st_context *st,
  */
 GLboolean
 st_finalize_texture(struct gl_context *ctx,
-                   struct pipe_context *pipe,
-                   struct gl_texture_object *tObj,
-                   GLuint cubeMapFace)
+                    struct pipe_context *pipe,
+                    struct gl_texture_object *tObj,
+                    GLuint cubeMapFace)
 {
    struct st_context *st = st_context(ctx);
    struct st_texture_object *stObj = st_texture_object(tObj);
@@ -2459,22 +2612,10 @@ st_finalize_texture(struct gl_context *ctx,
    if (tObj->Immutable)
       return GL_TRUE;
 
-   if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) {
-      /* The texture is complete and we know exactly how many mipmap levels
-       * are present/needed.  This is conditional because we may be called
-       * from the st_generate_mipmap() function when the texture object is
-       * incomplete.  In that case, we'll have set stObj->lastLevel before
-       * we get here.
-       */
-      if (stObj->base.Sampler.MinFilter == GL_LINEAR ||
-          stObj->base.Sampler.MinFilter == GL_NEAREST)
-         stObj->lastLevel = stObj->base.BaseLevel;
-      else
-         stObj->lastLevel = stObj->base._MaxLevel;
-   }
-
-   firstImage = st_texture_image_const(stObj->base.Image[cubeMapFace][stObj->base.BaseLevel]);
-   assert(firstImage);
+   if (tObj->_MipmapComplete)
+      stObj->lastLevel = stObj->base._MaxLevel;
+   else if (tObj->_BaseComplete)
+      stObj->lastLevel = stObj->base.BaseLevel;
 
    /* Skip the loop over images in the common case of no images having
     * changed.  But if the GL_BASE_LEVEL or GL_MAX_LEVEL change to something we
@@ -2486,6 +2627,15 @@ st_finalize_texture(struct gl_context *ctx,
       return GL_TRUE;
    }
 
+   /* If this texture comes from a window system, there is nothing else to do. */
+   if (stObj->surface_based) {
+      return GL_TRUE;
+   }
+
+   firstImage = st_texture_image_const(stObj->base.Image[cubeMapFace]
+                                       [stObj->base.BaseLevel]);
+   assert(firstImage);
+
    /* If both firstImage and stObj point to a texture which can contain
     * all active images, favour firstImage.  Note that because of the
     * completeness requirement, we know that the image dimensions
@@ -2498,11 +2648,6 @@ st_finalize_texture(struct gl_context *ctx,
       st_texture_release_all_sampler_views(st, stObj);
    }
 
-   /* If this texture comes from a window system, there is nothing else to do. */
-   if (stObj->surface_based) {
-      return GL_TRUE;
-   }
-
    /* Find gallium format for the Mesa texture */
    firstImageFormat =
       st_mesa_format_to_pipe_format(st, firstImage->base.TexFormat);
@@ -2651,6 +2796,7 @@ st_finalize_texture(struct gl_context *ctx,
    return GL_TRUE;
 }
 
+
 /**
  * Allocate a new pipe_resource object
  * width0, height0, depth0 are the dimensions of the level 0 image
@@ -2669,7 +2815,7 @@ st_texture_create_from_memory(struct st_context *st,
                               GLuint depth0,
                               GLuint layers,
                               GLuint nr_samples,
-                              GLuint bind )
+                              GLuint bind)
 {
    struct pipe_resource pt, *newtex;
    struct pipe_screen *screen = st->pipe->screen;
@@ -2685,7 +2831,7 @@ st_texture_create_from_memory(struct st_context *st,
        (int) target, util_format_name(format), last_level);
 
    assert(format);
-   assert(screen->is_format_supported(screen, format, target, 0,
+   assert(screen->is_format_supported(screen, format, target, 0, 0,
                                       PIPE_BIND_SAMPLER_VIEW));
 
    memset(&pt, 0, sizeof(pt));
@@ -2701,6 +2847,7 @@ st_texture_create_from_memory(struct st_context *st,
    /* only set this for OpenGL textures, not renderbuffers */
    pt.flags = PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY;
    pt.nr_samples = nr_samples;
+   pt.nr_storage_samples = nr_samples;
 
    newtex = screen->resource_from_memobj(screen, &pt, memObj->memory, offset);
 
@@ -2709,6 +2856,7 @@ st_texture_create_from_memory(struct st_context *st,
    return newtex;
 }
 
+
 /**
  * Allocate texture memory for a whole mipmap stack.
  * Note: for multisample textures if the requested sample count is not
@@ -2757,7 +2905,7 @@ st_texture_storage(struct gl_context *ctx,
 
       for (; num_samples <= ctx->Const.MaxSamples; num_samples++) {
          if (screen->is_format_supported(screen, fmt, ptarget,
-                                         num_samples,
+                                         num_samples, num_samples,
                                          PIPE_BIND_SAMPLER_VIEW)) {
             /* Update the sample count in gl_texture_image as well. */
             texImage->NumSamples = num_samples;
@@ -2811,7 +2959,7 @@ st_texture_storage(struct gl_context *ctx,
             st_texture_image(texObj->Image[face][level]);
          pipe_resource_reference(&stImage->pt, stObj->pt);
 
-         etc_fallback_allocate(st, stImage);
+         compressed_tex_fallback_allocate(st, stImage);
       }
    }
 
@@ -2866,6 +3014,7 @@ st_TestProxyTexImage(struct gl_context *ctx, GLenum target,
       pt.target = gl_target_to_pipe(target);
       pt.format = st_mesa_format_to_pipe_format(st, format);
       pt.nr_samples = numSamples;
+      pt.nr_storage_samples = numSamples;
 
       st_gl_texture_dims_to_pipe_dims(target,
                                       width, height, depth,
@@ -3087,7 +3236,9 @@ st_NewTextureHandle(struct gl_context *ctx, struct gl_texture_object *texObj,
          return 0;
 
       st_convert_sampler(st, texObj, sampObj, 0, &sampler);
-      view = st_get_texture_sampler_view_from_stobj(st, stObj, sampObj, 0);
+
+      /* TODO: Clarify the interaction of ARB_bindless_texture and EXT_texture_sRGB_decode */
+      view = st_get_texture_sampler_view_from_stobj(st, stObj, sampObj, 0, true);
    } else {
       view = st_get_buffer_sampler_view_from_stobj(st, stObj);
    }
@@ -3124,7 +3275,7 @@ st_NewImageHandle(struct gl_context *ctx, struct gl_image_unit *imgObj)
    struct pipe_context *pipe = st->pipe;
    struct pipe_image_view image;
 
-   st_convert_image(st, imgObj, &image);
+   st_convert_image(st, imgObj, &image, GL_READ_WRITE);
 
    return pipe->create_image_handle(pipe, &image);
 }
@@ -3166,7 +3317,6 @@ st_init_texture_functions(struct dd_function_table *functions)
 
    /* compressed texture functions */
    functions->CompressedTexImage = st_CompressedTexImage;
-   functions->GetCompressedTexSubImage = _mesa_GetCompressedTexSubImage_sw;
 
    functions->NewTextureObject = st_NewTextureObject;
    functions->NewTextureImage = st_NewTextureImage;