gallium: split CAP_INSTANCE_DRAWING into INSTANCEID and INSTANCE_DIVISOR

ARB_instanced_arrays is a subset of D3D9.
ARB_draw_instanced is a subset of D3D10.

The point of this change is to allow D3D9-level drivers to enable
ARB_instanced_arrays without ARB_draw_instanced.

9 files changed, 19 insertions, 9 deletions

diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 77febbf5012..64c4bbab399 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -124,7 +124,8 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    case PIPE_CAP_GLSL:
    case PIPE_CAP_INDEP_BLEND_ENABLE:
    case PIPE_CAP_INDEP_BLEND_FUNC:
-   case PIPE_CAP_INSTANCED_DRAWING: /* draw module? */
+   case PIPE_CAP_TGSI_INSTANCEID:
+   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
    case PIPE_CAP_POINT_SPRITE:
    case PIPE_CAP_SHADER_STENCIL_EXPORT:
    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 2c32aa93cdf..edcfbfcfac1 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -164,7 +164,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 1;
    case PIPE_CAP_DEPTH_CLAMP:
       return 0;
-   case PIPE_CAP_INSTANCED_DRAWING:
+   case PIPE_CAP_TGSI_INSTANCEID:
+   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
       return 1;
    default:
       return 0;
diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
index ae0365eb5c5..d1744a38837 100644
--- a/src/gallium/drivers/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -127,7 +127,8 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_SHADER_STENCIL_EXPORT:
       return 0;
    case PIPE_CAP_PRIMITIVE_RESTART:
-   case PIPE_CAP_INSTANCED_DRAWING:
+   case PIPE_CAP_TGSI_INSTANCEID:
+   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
       return 1;
    default:
       NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
diff --git a/src/gallium/drivers/nvc0/nvc0_screen.c b/src/gallium/drivers/nvc0/nvc0_screen.c
index d430be92c51..4ce827d33f8 100644
--- a/src/gallium/drivers/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nvc0/nvc0_screen.c
@@ -111,7 +111,8 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_SHADER_STENCIL_EXPORT:
       return 0;
    case PIPE_CAP_PRIMITIVE_RESTART:
-   case PIPE_CAP_INSTANCED_DRAWING:
+   case PIPE_CAP_TGSI_INSTANCEID:
+   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
       return 1;
    default:
       NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 52d0247fbfd..2f82f78125d 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -126,7 +126,8 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_SHADER_STENCIL_EXPORT:
         case PIPE_CAP_STREAM_OUTPUT:
         case PIPE_CAP_PRIMITIVE_RESTART:
-        case PIPE_CAP_INSTANCED_DRAWING:
+        case PIPE_CAP_TGSI_INSTANCEID:
+        case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
         case PIPE_CAP_ARRAY_TEXTURES:
             return 0;
 
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index fcca7f705d4..60838578f29 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -284,7 +284,8 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 	case PIPE_CAP_DEPTH_CLAMP:
 	case PIPE_CAP_SHADER_STENCIL_EXPORT:
-	case PIPE_CAP_INSTANCED_DRAWING:
+	case PIPE_CAP_TGSI_INSTANCEID:
+	case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 		return 1;
 
 	/* Unsupported features (boolean caps). */
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 6d47fb96280..8b693ba9198 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -123,7 +123,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 0;
    case PIPE_CAP_SHADER_STENCIL_EXPORT:
       return 1;
-   case PIPE_CAP_INSTANCED_DRAWING:
+   case PIPE_CAP_TGSI_INSTANCEID:
+   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
       return 1;
    case PIPE_CAP_ARRAY_TEXTURES:
       return 1;
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 81da4b86448..edbaaae334a 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -478,7 +478,8 @@ enum pipe_cap {
    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
    PIPE_CAP_DEPTH_CLAMP,
    PIPE_CAP_SHADER_STENCIL_EXPORT,
-   PIPE_CAP_INSTANCED_DRAWING,
+   PIPE_CAP_TGSI_INSTANCEID,
+   PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR,
 };
 
 /* Shader caps not specific to any single stage */
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index d2098987d1d..6bbf68accdd 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -491,8 +491,10 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.ARB_shader_stencil_export = GL_TRUE;
    }
 
-   if (screen->get_param(screen, PIPE_CAP_INSTANCED_DRAWING)) {
+   if (screen->get_param(screen, PIPE_CAP_TGSI_INSTANCEID)) {
       ctx->Extensions.ARB_draw_instanced = GL_TRUE;
+   }
+   if (screen->get_param(screen, PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR)) {
       ctx->Extensions.ARB_instanced_arrays = GL_TRUE;
    }
 }