Mesa (master): nvfx: add support for ARB_half_float_vertex

[Luca Barbieri]

Module: Mesa
Branch: master
Commit: 44ef1577be4c90ffe03f9e3ecb243d3fec6b8d3e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=44ef1577be4c90ffe03f9e3ecb243d3fec6b8d3e

Author: Luca Barbieri <luca at luca-barbieri.com>
Date:   Mon Jan 18 17:38:29 2010 +0100

nvfx: add support for ARB_half_float_vertex

---

 src/gallium/drivers/nouveau/nouveau_class.h |    1 +
 src/gallium/drivers/nvfx/nvfx_vbo.c         |   10 ++++++++++
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nouveau_class.h b/src/gallium/drivers/nouveau/nouveau_class.h
index a701b9d..adfdd37 100644
--- a/src/gallium/drivers/nouveau/nouveau_class.h
+++ b/src/gallium/drivers/nouveau/nouveau_class.h
@@ -6183,6 +6183,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define   NV34TCL_VTXFMT_TYPE_SHIFT							0
 #define   NV34TCL_VTXFMT_TYPE_MASK							0x0000000f
 #define    NV34TCL_VTXFMT_TYPE_FLOAT							0x00000002
+#define    NV34TCL_VTXFMT_TYPE_HALF							0x00000003
 #define    NV34TCL_VTXFMT_TYPE_UBYTE							0x00000004
 #define    NV34TCL_VTXFMT_TYPE_USHORT							0x00000005
 #define   NV34TCL_VTXFMT_SIZE_SHIFT							4
diff --git a/src/gallium/drivers/nvfx/nvfx_vbo.c b/src/gallium/drivers/nvfx/nvfx_vbo.c
index 8c71aa3..f40e240 100644
--- a/src/gallium/drivers/nvfx/nvfx_vbo.c
+++ b/src/gallium/drivers/nvfx/nvfx_vbo.c
@@ -21,6 +21,12 @@ nvfx_vbo_format_to_hw(enum pipe_format pipe, unsigned *fmt, unsigned *ncomp)
 	case PIPE_FORMAT_R32G32B32A32_FLOAT:
 		*fmt = NV34TCL_VTXFMT_TYPE_FLOAT;
 		break;
+	case PIPE_FORMAT_R16_FLOAT:
+	case PIPE_FORMAT_R16G16_FLOAT:
+	case PIPE_FORMAT_R16G16B16_FLOAT:
+	case PIPE_FORMAT_R16G16B16A16_FLOAT:
+		*fmt = NV34TCL_VTXFMT_TYPE_HALF;
+		break;
 	case PIPE_FORMAT_R8_UNORM:
 	case PIPE_FORMAT_R8G8_UNORM:
 	case PIPE_FORMAT_R8G8B8_UNORM:
@@ -41,21 +47,25 @@ nvfx_vbo_format_to_hw(enum pipe_format pipe, unsigned *fmt, unsigned *ncomp)
 	switch (pipe) {
 	case PIPE_FORMAT_R8_UNORM:
 	case PIPE_FORMAT_R32_FLOAT:
+	case PIPE_FORMAT_R16_FLOAT:
 	case PIPE_FORMAT_R16_SSCALED:
 		*ncomp = 1;
 		break;
 	case PIPE_FORMAT_R8G8_UNORM:
 	case PIPE_FORMAT_R32G32_FLOAT:
+	case PIPE_FORMAT_R16G16_FLOAT:
 	case PIPE_FORMAT_R16G16_SSCALED:
 		*ncomp = 2;
 		break;
 	case PIPE_FORMAT_R8G8B8_UNORM:
 	case PIPE_FORMAT_R32G32B32_FLOAT:
+	case PIPE_FORMAT_R16G16B16_FLOAT:
 	case PIPE_FORMAT_R16G16B16_SSCALED:
 		*ncomp = 3;
 		break;
 	case PIPE_FORMAT_R8G8B8A8_UNORM:
 	case PIPE_FORMAT_R32G32B32A32_FLOAT:
+	case PIPE_FORMAT_R16G16B16A16_FLOAT:
 	case PIPE_FORMAT_R16G16B16A16_SSCALED:
 		*ncomp = 4;
 		break;