st/mesa: enable ARB_enhanced_layouts and turn the cap on

v2: mark llvmpipe & softpipe properly as well (Jason Wood)

Reviewed-by: Edward O'Callaghan <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>

4 files changed, 10 insertions, 3 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 8da942865f4..3e4f1ef4447 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -265,6 +265,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_FAKE_SW_MSAA:
       return 1;
    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
+   case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
       return 1;
 
    case PIPE_CAP_VENDOR_ID:
@@ -336,7 +337,6 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
-   case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
       return 0;
    }
    /* should only get here on unhandled cases */
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index dc0c72e363c..5a3f1014cf2 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -409,6 +409,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_STRING_MARKER:
 	case PIPE_CAP_CLEAR_TEXTURE:
 	case PIPE_CAP_CULL_DISTANCE:
+	case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 		return 1;
 
 	case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
@@ -458,7 +459,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 	case PIPE_CAP_TGSI_VOTE:
 	case PIPE_CAP_MAX_WINDOW_RECTANGLES:
-	case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 		return 0;
 
 	case PIPE_CAP_QUERY_BUFFER_OBJECT:
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index a9a81de1a18..62449873c0b 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -254,6 +254,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_POLYGON_OFFSET_CLAMP:
       return 0;
    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
+   case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
       return 1;
    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
@@ -286,7 +287,6 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_WINDOW_RECTANGLES:
    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
-   case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
       return 0;
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return 4;
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index b9befa1ac57..b87a3db1870 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -892,6 +892,13 @@ void st_init_extensions(struct pipe_screen *screen,
       extensions->AMD_vertex_shader_layer = GL_TRUE;
    }
 
+   if (consts->GLSLVersion >= 140) {
+      if (screen->get_param(screen, PIPE_CAP_TGSI_ARRAY_COMPONENTS) &&
+         screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
+                                   PIPE_SHADER_CAP_PREFERRED_IR) == PIPE_SHADER_IR_TGSI)
+         extensions->ARB_enhanced_layouts = GL_TRUE;
+   }
+
    if (consts->GLSLVersion >= 130) {
       consts->NativeIntegers = GL_TRUE;
       consts->MaxClipPlanes = 8;