[Mesa-dev] [PATCH 2/6] gallium/st: Add PIPE_CAP_CONDITIONAL_RENDER_INVERTED

Tobias Klausmann tobias.johannes.klausmann at mni.thm.de
Fri Aug 15 16:59:34 PDT 2014 

with this we determine if the driver wants to enable
GL_ARB_conditional_render_inverted

Signed-off-by: Tobias Klausmann <tobias.johannes.klausmann at mni.thm.de>
---
 src/gallium/docs/source/screen.rst               | 2 ++
 src/gallium/drivers/freedreno/freedreno_screen.c | 1 +
 src/gallium/drivers/i915/i915_screen.c           | 1 +
 src/gallium/drivers/ilo/ilo_screen.c             | 1 +
 src/gallium/drivers/llvmpipe/lp_screen.c         | 1 +
 src/gallium/drivers/nouveau/nv30/nv30_screen.c   | 2 ++
 src/gallium/drivers/nouveau/nv50/nv50_screen.c   | 1 +
 src/gallium/drivers/nouveau/nvc0/nvc0_screen.c   | 2 ++
 src/gallium/drivers/r300/r300_screen.c           | 1 +
 src/gallium/drivers/r600/r600_pipe.c             | 1 +
 src/gallium/drivers/radeonsi/si_pipe.c           | 1 +
 src/gallium/drivers/softpipe/sp_screen.c         | 2 ++
 src/gallium/drivers/svga/svga_screen.c           | 1 +
 src/gallium/drivers/vc4/vc4_screen.c             | 1 +
 src/gallium/include/pipe/p_defines.h             | 1 +
 src/mesa/state_tracker/st_extensions.c           | 1 +
 16 files changed, 20 insertions(+)

diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 6fecc15..3570bd5 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -215,6 +215,8 @@ The integer capabilities:
   See pipe_draw_info.
 * ``PIPE_CAP_TGSI_FS_FINE_DERIVATIVE``: Whether the fragment shader supports
   the FINE versions of DDX/DDY.
+* ``PIPE_CAP_CONDITIONAL_RENDER_INVERTED``: Invert the condition used to
+  determine whether to draw or not.
 
 
 .. _pipe_capf:
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index b156d8b..127bf1a 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -217,6 +217,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 	case PIPE_CAP_DRAW_INDIRECT:
 	case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+	case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 		return 0;
 
 	/* Stream output. */
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 53d5e75..2515ba4 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -221,6 +221,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    case PIPE_CAP_SAMPLE_SHADING:
    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
       return 0;
 
    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
diff --git a/src/gallium/drivers/ilo/ilo_screen.c b/src/gallium/drivers/ilo/ilo_screen.c
index 991d2d0..969dbb6 100644
--- a/src/gallium/drivers/ilo/ilo_screen.c
+++ b/src/gallium/drivers/ilo/ilo_screen.c
@@ -434,6 +434,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_VERTEX_STREAMS:
    case PIPE_CAP_DRAW_INDIRECT:
    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
       return 0;
 
    default:
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index f4f3257..36fdff1 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -249,6 +249,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
       return 0;
    case PIPE_CAP_FAKE_SW_MSAA:
       return 1;
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index 4766955..b277401 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -149,7 +149,9 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_COMPUTE:
    case PIPE_CAP_DRAW_INDIRECT:
    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
       return 0;
+
    }
 
    debug_printf("unknown param %d\n", param);
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index 8a9a40e..58c0c30 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -201,6 +201,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
    case PIPE_CAP_COMPUTE:
    case PIPE_CAP_DRAW_INDIRECT:
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
       return 0;
    }
 
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index c6d9b91..a391a5f 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -173,6 +173,8 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return (class_3d >= NVE4_3D_CLASS) ? 1 : 0;
    case PIPE_CAP_COMPUTE:
       return (class_3d == NVE4_3D_CLASS) ? 1 : 0;
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
+      return 0;
 
    /* unsupported caps */
    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index ad599e9..415815f 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -179,6 +179,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
         case PIPE_CAP_DRAW_INDIRECT:
         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+        case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
             return 0;
 
         /* SWTCL-only features. */
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index bf52a19..d1ce92b 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -320,6 +320,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_SAMPLE_SHADING:
 	case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 	case PIPE_CAP_DRAW_INDIRECT:
+	case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 		return 0;
 
 	/* Stream output. */
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 0f10f3b..f9b9bef 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -255,6 +255,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 	case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 	case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+	case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 		return 0;
 
 	case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 5e2640d..552acee 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -203,6 +203,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 0;
    case PIPE_CAP_DRAW_INDIRECT:
       return 1;
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
+      return 0;
    }
    /* should only get here on unhandled cases */
    debug_printf("Unexpected PIPE_CAP %d query\n", param);
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index d140f56..5fd0299 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -279,6 +279,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
    case PIPE_CAP_DRAW_INDIRECT:
    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
       return 0;
    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
       return 64;
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index 7e59613..444f528 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -158,6 +158,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         case PIPE_CAP_MAX_VERTEX_STREAMS:
         case PIPE_CAP_DRAW_INDIRECT:
         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+        case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
                 return 0;
 
                 /* Stream output. */
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 53d5d4b..341490d 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -563,6 +563,7 @@ enum pipe_cap {
    PIPE_CAP_MAX_VERTEX_STREAMS = 100,
    PIPE_CAP_DRAW_INDIRECT = 101,
    PIPE_CAP_TGSI_FS_FINE_DERIVATIVE = 102,
+   PIPE_CAP_CONDITIONAL_RENDER_INVERTED = 103,
 };
 
 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 24e886c..4110eb5 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -460,6 +460,7 @@ void st_init_extensions(struct pipe_screen *screen,
       { o(ARB_sample_shading),               PIPE_CAP_SAMPLE_SHADING                   },
       { o(ARB_draw_indirect),                PIPE_CAP_DRAW_INDIRECT                    },
       { o(ARB_derivative_control),           PIPE_CAP_TGSI_FS_FINE_DERIVATIVE          },
+      { o(ARB_conditional_render_inverted),  PIPE_CAP_CONDITIONAL_RENDER_INVERTED      },
    };
 
    /* Required: render target and sampler support */
-- 
1.8.4.5

More information about the mesa-dev mailing list