softpipe: Enable ARB_framebuffer_no_attachments
[mesa.git] / src / gallium / drivers / softpipe / sp_screen.c
index 0c8c94d0e19543eb4a881224bf490848b6fde373..d89d95c884c3d2eb2855274beb4ba4e58d1c0f14 100644 (file)
@@ -1,6 +1,6 @@
 /**************************************************************************
  *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2008 VMware, Inc.
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * 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.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * 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 "util/u_format.h"
 #include "util/u_format_s3tc.h"
 #include "util/u_video.h"
+#include "os/os_misc.h"
 #include "os/os_time.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_screen.h"
 #include "draw/draw_context.h"
-#include "vl/vl_decoder.h"
-#include "vl/vl_video_buffer.h"
 
 #include "state_tracker/sw_winsys.h"
 #include "tgsi/tgsi_exec.h"
@@ -66,8 +65,6 @@ static int
 softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
-   case PIPE_CAP_MAX_COMBINED_SAMPLERS:
-      return 2 * PIPE_MAX_SAMPLERS;  /* VS + FS */
    case PIPE_CAP_NPOT_TEXTURES:
    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
       return 1;
@@ -115,24 +112,30 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
       return 1;
    case PIPE_CAP_DEPTH_CLIP_DISABLE:
-      return 0;
+      return 1;
    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
       return PIPE_MAX_SO_BUFFERS;
    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
       return 16*4;
+   case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
+   case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
+      return 1024;
+   case PIPE_CAP_MAX_VERTEX_STREAMS:
+      return 1;
+   case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
+      return 2048;
    case PIPE_CAP_PRIMITIVE_RESTART:
       return 1;
    case PIPE_CAP_SHADER_STENCIL_EXPORT:
       return 1;
    case PIPE_CAP_TGSI_INSTANCEID:
    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
+   case PIPE_CAP_START_INSTANCE:
       return 1;
    case PIPE_CAP_SEAMLESS_CUBE_MAP:
    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
       return 1;
-   case PIPE_CAP_SCALED_RESOLVE:
-      return 0;
    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
       return 256; /* for GL3 */
    case PIPE_CAP_MIN_TEXEL_OFFSET:
@@ -150,7 +153,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
       return 0;
    case PIPE_CAP_GLSL_FEATURE_LEVEL:
-      return 140;
+      return 330;
    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
       return 0;
    case PIPE_CAP_COMPUTE:
@@ -159,6 +162,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_USER_INDEX_BUFFERS:
    case PIPE_CAP_USER_CONSTANT_BUFFERS:
    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
+   case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
       return 1;
    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
       return 16;
@@ -166,15 +170,17 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
-   case PIPE_CAP_START_INSTANCE:
    case PIPE_CAP_TEXTURE_MULTISAMPLE:
-   case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
       return 0;
+   case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
+      return 64;
    case PIPE_CAP_QUERY_TIMESTAMP:
    case PIPE_CAP_CUBE_MAP_ARRAY:
       return 1;
    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
       return 1;
+   case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
+      return 0;
    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
       return 65536;
    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
@@ -183,11 +189,92 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
       return 0;
    case PIPE_CAP_MAX_VIEWPORTS:
-      return 1;
+      return PIPE_MAX_VIEWPORTS;
    case PIPE_CAP_ENDIANNESS:
       return PIPE_ENDIAN_NATIVE;
-   case PIPE_CAP_TGSI_VS_LAYER:
+   case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
+      return 4;
+   case PIPE_CAP_TEXTURE_GATHER_SM5:
+   case PIPE_CAP_TEXTURE_QUERY_LOD:
+      return 1;
+   case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
+   case PIPE_CAP_SAMPLE_SHADING:
+   case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
+      return 0;
+   case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
+      return 1;
+   case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+      return 0;
+   case PIPE_CAP_SAMPLER_VIEW_TARGET:
+      return 1;
+   case PIPE_CAP_FAKE_SW_MSAA:
+      return 1;
+   case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
+      return -32;
+   case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
+      return 31;
+   case PIPE_CAP_DRAW_INDIRECT:
+      return 1;
+
+   case PIPE_CAP_VENDOR_ID:
+      return 0xFFFFFFFF;
+   case PIPE_CAP_DEVICE_ID:
+      return 0xFFFFFFFF;
+   case PIPE_CAP_ACCELERATED:
+      return 0;
+   case PIPE_CAP_VIDEO_MEMORY: {
+      /* XXX: Do we want to return the full amount fo system memory ? */
+      uint64_t system_memory;
+
+      if (!os_get_total_physical_memory(&system_memory))
+         return 0;
+
+      return (int)(system_memory >> 20);
+   }
+   case PIPE_CAP_UMA:
+      return 0;
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
+      return 1;
+   case PIPE_CAP_CLIP_HALFZ:
+   case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
+   case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
+      return 1;
+   case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+      return 1;
+   case PIPE_CAP_VERTEXID_NOBASE:
+      return 0;
+   case PIPE_CAP_POLYGON_OFFSET_CLAMP:
       return 0;
+   case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
+   case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
+   case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
+   case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
+   case PIPE_CAP_DEPTH_BOUNDS_TEST:
+   case PIPE_CAP_TGSI_TXQS:
+   case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
+   case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
+   case PIPE_CAP_CLEAR_TEXTURE:
+   case PIPE_CAP_DRAW_PARAMETERS:
+   case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
+   case PIPE_CAP_MULTI_DRAW_INDIRECT:
+   case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
+   case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
+   case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
+   case PIPE_CAP_INVALIDATE_BUFFER:
+   case PIPE_CAP_GENERATE_MIPMAP:
+   case PIPE_CAP_STRING_MARKER:
+   case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
+   case PIPE_CAP_QUERY_BUFFER_OBJECT:
+   case PIPE_CAP_QUERY_MEMORY_INFO:
+   case PIPE_CAP_PCI_GROUP:
+   case PIPE_CAP_PCI_BUS:
+   case PIPE_CAP_PCI_DEVICE:
+   case PIPE_CAP_PCI_FUNCTION:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
+      return 0;
+   case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
+      return 4;
    }
    /* should only get here on unhandled cases */
    debug_printf("Unexpected PIPE_CAP %d query\n", param);
@@ -204,20 +291,10 @@ softpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe
       return tgsi_exec_get_shader_param(param);
    case PIPE_SHADER_VERTEX:
    case PIPE_SHADER_GEOMETRY:
-      switch (param) {
-      case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
-      case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
-         if (sp_screen->use_llvm)
-            /* Softpipe doesn't yet know how to tell draw/llvm about textures */
-            return 0;
-         else
-            return PIPE_MAX_SAMPLERS;
-      default:
-         if (sp_screen->use_llvm)
-            return draw_get_shader_param(shader, param);
-         else
-            return draw_get_shader_param_no_llvm(shader, param);
-      }
+      if (sp_screen->use_llvm)
+         return draw_get_shader_param(shader, param);
+      else
+         return draw_get_shader_param_no_llvm(shader, param);
    default:
       return 0;
    }
@@ -250,33 +327,6 @@ softpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
    return 0.0;
 }
 
-static int
-softpipe_get_video_param(struct pipe_screen *screen,
-                         enum pipe_video_profile profile,
-                        enum pipe_video_entrypoint entrypoint,
-                         enum pipe_video_cap param)
-{
-   switch (param) {
-   case PIPE_VIDEO_CAP_SUPPORTED:
-       return vl_profile_supported(screen, profile, entrypoint);
-   case PIPE_VIDEO_CAP_NPOT_TEXTURES:
-      return 0;
-   case PIPE_VIDEO_CAP_MAX_WIDTH:
-   case PIPE_VIDEO_CAP_MAX_HEIGHT:
-      return vl_video_buffer_max_size(screen);
-   case PIPE_VIDEO_CAP_PREFERED_FORMAT:
-      return PIPE_FORMAT_NV12;
-   case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
-      return false;
-   case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
-      return false;
-   case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
-      return true;
-   default:
-      return 0;
-   }
-}
-
 /**
  * Query format support for creating a texture, drawing surface, etc.
  * \param format  the format to test
@@ -335,6 +385,16 @@ softpipe_is_format_supported( struct pipe_screen *screen,
          return FALSE;
    }
 
+   if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
+       format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
+      /* Software decoding is not hooked up. */
+      return FALSE;
+   }
+
+   if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
+       format != PIPE_FORMAT_ETC1_RGB8)
+      return FALSE;
+
    /*
     * All other operations (sampling, transfer, etc).
     */
@@ -369,7 +429,8 @@ static void
 softpipe_flush_frontbuffer(struct pipe_screen *_screen,
                            struct pipe_resource *resource,
                            unsigned level, unsigned layer,
-                           void *context_private)
+                           void *context_private,
+                           struct pipe_box *sub_box)
 {
    struct softpipe_screen *screen = softpipe_screen(_screen);
    struct sw_winsys *winsys = screen->winsys;
@@ -377,7 +438,7 @@ softpipe_flush_frontbuffer(struct pipe_screen *_screen,
 
    assert(texture->dt);
    if (texture->dt)
-      winsys->displaytarget_display(winsys, texture->dt, context_private);
+      winsys->displaytarget_display(winsys, texture->dt, context_private, sub_box);
 }
 
 static uint64_t
@@ -404,13 +465,12 @@ softpipe_create_screen(struct sw_winsys *winsys)
 
    screen->base.get_name = softpipe_get_name;
    screen->base.get_vendor = softpipe_get_vendor;
+   screen->base.get_device_vendor = softpipe_get_vendor; // TODO should be the CPU vendor
    screen->base.get_param = softpipe_get_param;
    screen->base.get_shader_param = softpipe_get_shader_param;
    screen->base.get_paramf = softpipe_get_paramf;
-   screen->base.get_video_param = softpipe_get_video_param;
    screen->base.get_timestamp = softpipe_get_timestamp;
    screen->base.is_format_supported = softpipe_is_format_supported;
-   screen->base.is_video_format_supported = vl_video_buffer_is_format_supported;
    screen->base.context_create = softpipe_create_context;
    screen->base.flush_frontbuffer = softpipe_flush_frontbuffer;