gallium/tgsi: add helper tgsi_get_interp_mode
[mesa.git] / src / mesa / state_tracker / st_cb_readpixels.c
index 0bcf2eb4fdfabbee160791007d98f61306a76d9e..f549852377589a5154250826569e5c420ab33ae1 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 "main/bufferobj.h"
 #include "main/image.h"
 #include "main/pbo.h"
-#include "main/imports.h"
+
 #include "main/readpix.h"
 #include "main/enums.h"
 #include "main/framebuffer.h"
 #include "util/u_inlines.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
 #include "cso_cache/cso_context.h"
 
 #include "st_cb_fbo.h"
@@ -46,6 +46,8 @@
 #include "state_tracker/st_format.h"
 #include "state_tracker/st_pbo.h"
 #include "state_tracker/st_texture.h"
+#include "state_tracker/st_util.h"
+
 
 /* The readpixels cache caches a blitted staging texture so that back-to-back
  * calls to glReadPixels with user pointers require less CPU-GPU synchronization.
@@ -112,7 +114,7 @@ try_pbo_readpixels(struct st_context *st, struct st_renderbuffer *strb,
    if (texture->nr_samples > 1)
       return false;
 
-   if (!screen->is_format_supported(screen, dst_format, PIPE_BUFFER, 0,
+   if (!screen->is_format_supported(screen, dst_format, PIPE_BUFFER, 0, 0,
                                     PIPE_BIND_SHADER_IMAGE))
       return false;
 
@@ -139,7 +141,7 @@ try_pbo_readpixels(struct st_context *st, struct st_renderbuffer *strb,
                         CSO_BIT_RASTERIZER |
                         CSO_BIT_DEPTH_STENCIL_ALPHA |
                         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 |
@@ -175,7 +177,7 @@ try_pbo_readpixels(struct st_context *st, struct st_renderbuffer *strb,
 
       if (view_target != PIPE_TEXTURE_3D) {
          templ.u.tex.first_layer = surface->u.tex.first_layer;
-         templ.u.tex.last_layer = templ.u.tex.last_layer;
+         templ.u.tex.last_layer = templ.u.tex.first_layer;
       } else {
          addr.constants.layer_offset = surface->u.tex.first_layer;
       }
@@ -199,6 +201,7 @@ try_pbo_readpixels(struct st_context *st, struct st_renderbuffer *strb,
       image.resource = addr.buffer;
       image.format = dst_format;
       image.access = PIPE_IMAGE_ACCESS_WRITE;
+      image.shader_access = PIPE_IMAGE_ACCESS_WRITE;
       image.u.buf.offset = addr.first_element * addr.bytes_per_pixel;
       image.u.buf.size = (addr.last_element - addr.first_element + 1) *
                          addr.bytes_per_pixel;
@@ -270,8 +273,8 @@ blit_to_staging(struct st_context *st, struct st_renderbuffer *strb,
    /* We are creating a texture of the size of the region being read back.
     * Need to check for NPOT texture support. */
    if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES) &&
-       (!util_is_power_of_two(width) ||
-        !util_is_power_of_two(height)))
+       (!util_is_power_of_two_or_zero(width) ||
+        !util_is_power_of_two_or_zero(height)))
       return NULL;
 
    /* create the destination texture */
@@ -449,7 +452,7 @@ st_ReadPixels(struct gl_context *ctx, GLint x, GLint y,
 
    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;
    }
@@ -467,7 +470,7 @@ st_ReadPixels(struct gl_context *ctx, GLint x, GLint y,
       goto fallback;
    }
 
-   if (st->pbo.download_enabled && _mesa_is_bufferobj(pack->BufferObj)) {
+   if (st->pbo.download_enabled && pack->BufferObj) {
       if (try_pbo_readpixels(st, strb,
                              st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP,
                              x, y, width, height,