gallium: Add PIPE_CAP_START_INSTANCE

Reviewed-by: Brian Paul <brianp@vmware.com>

src/gallium/docs/source/screen.rst

@@ -126,7 +126,8 @@ The integer capabilities:
   resources.
 * ``PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT``: Describes the required
   alignment of pipe_constant_buffer::buffer_offset.
-
+* ``PIPE_CAP_START_INSTANCE``: Whether the driver supports
+  pipe_draw_info::start_instance.
 
 
 .. _pipe_capf:

src/gallium/drivers/i915/i915_screen.c

@@ -206,6 +206,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
+   case PIPE_CAP_START_INSTANCE:
       return 0;
 
    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:

src/gallium/drivers/nv30/nv30_screen.c

@@ -115,6 +115,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
+   case PIPE_CAP_START_INSTANCE:
       return 0;
    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:

src/gallium/drivers/nv50/nv50_screen.c

@@ -148,6 +148,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_CONDITIONAL_RENDER:
    case PIPE_CAP_TEXTURE_BARRIER:
    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
+   case PIPE_CAP_START_INSTANCE:
       return 1;
    case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:

src/gallium/drivers/nvc0/nvc0_screen.c

@@ -136,6 +136,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_CONDITIONAL_RENDER:
    case PIPE_CAP_TEXTURE_BARRIER:
    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
+   case PIPE_CAP_START_INSTANCE:
       return 1;
    case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:

src/gallium/drivers/r300/r300_screen.c

@@ -147,6 +147,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
         case PIPE_CAP_COMPUTE:
+        case PIPE_CAP_START_INSTANCE:
             return 0;
 
         /* SWTCL-only features. */

src/gallium/drivers/r600/r600_pipe.c

@@ -383,6 +383,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_USER_INDEX_BUFFERS:
 	case PIPE_CAP_USER_CONSTANT_BUFFERS:
 	case PIPE_CAP_COMPUTE:
+	case PIPE_CAP_START_INSTANCE:
 		return 1;
 
 	case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:

src/gallium/drivers/radeonsi/radeonsi_pipe.c

@@ -325,6 +325,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 	case PIPE_CAP_USER_INDEX_BUFFERS:
 	case PIPE_CAP_USER_CONSTANT_BUFFERS:
+	case PIPE_CAP_START_INSTANCE:
 		return 1;
 
 	case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:

src/gallium/drivers/svga/svga_screen.c

@@ -243,6 +243,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_GLSL_FEATURE_LEVEL:
    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
+   case PIPE_CAP_START_INSTANCE:
       return 0;
    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
       return 1;

src/gallium/include/pipe/p_defines.h

@@ -484,7 +484,8 @@ enum pipe_cap {
    PIPE_CAP_COMPUTE = 68,
    PIPE_CAP_USER_INDEX_BUFFERS = 69,
    PIPE_CAP_USER_CONSTANT_BUFFERS = 70,
-   PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT = 71
+   PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT = 71,
+   PIPE_CAP_START_INSTANCE = 72
 };
 
 /**