Merge branch 'arb_half_float_vertex'

5 files changed, 30 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index c773b71507..6161de8a84 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -59,6 +59,14 @@ static GLuint float_types[5] = {
    BRW_SURFACEFORMAT_R32G32B32A32_FLOAT
 };
 
+static GLuint half_float_types[5] = {
+   0,
+   BRW_SURFACEFORMAT_R16_FLOAT,
+   BRW_SURFACEFORMAT_R16G16_FLOAT,
+   0, /* can't seem to render this one */
+   BRW_SURFACEFORMAT_R16G16B16A16_FLOAT
+};
+
 static GLuint uint_types_norm[5] = {
    0,
    BRW_SURFACEFORMAT_R32_UNORM,
@@ -172,6 +180,7 @@ static GLuint get_surface_type( GLenum type, GLuint size,
       switch (type) {
       case GL_DOUBLE: return double_types[size];
       case GL_FLOAT: return float_types[size];
+      case GL_HALF_FLOAT: return half_float_types[size];
       case GL_INT: return int_types_norm[size];
       case GL_SHORT: return short_types_norm[size];
       case GL_BYTE: return byte_types_norm[size];
@@ -194,6 +203,7 @@ static GLuint get_surface_type( GLenum type, GLuint size,
       switch (type) {
       case GL_DOUBLE: return double_types[size];
       case GL_FLOAT: return float_types[size];
+      case GL_HALF_FLOAT: return half_float_types[size];
       case GL_INT: return int_types_scale[size];
       case GL_SHORT: return short_types_scale[size];
       case GL_BYTE: return byte_types_scale[size];
@@ -211,6 +221,7 @@ static GLuint get_size( GLenum type )
    switch (type) {
    case GL_DOUBLE: return sizeof(GLdouble);
    case GL_FLOAT: return sizeof(GLfloat);
+   case GL_HALF_FLOAT: return sizeof(GLhalfARB);
    case GL_INT: return sizeof(GLint);
    case GL_SHORT: return sizeof(GLshort);
    case GL_BYTE: return sizeof(GLbyte);
diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c
index 5ac5ce10af..6fdd22b9e9 100644
--- a/src/mesa/drivers/dri/intel/intel_extensions.c
+++ b/src/mesa/drivers/dri/intel/intel_extensions.c
@@ -154,6 +154,7 @@ static const struct dri_extension brw_extensions[] = {
    { "GL_ARB_fragment_program_shadow",    NULL },
    { "GL_ARB_fragment_shader",            NULL },
    { "GL_ARB_framebuffer_object",         GL_ARB_framebuffer_object_functions},
+   { "GL_ARB_half_float_vertex",          NULL },
    { "GL_ARB_occlusion_query",            GL_ARB_occlusion_query_functions },
    { "GL_ARB_point_sprite", 		  NULL },
    { "GL_ARB_seamless_cube_map",          NULL },
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index bb0e6db313..24c51d4fee 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -97,6 +97,7 @@ static const struct dri_extension card_extensions[] = {
   /* *INDENT-OFF* */
   {"GL_ARB_depth_texture",		NULL},
   {"GL_ARB_fragment_program",		NULL},
+  {"GL_ARB_half_float_vertex",		NULL},
   {"GL_ARB_occlusion_query",		GL_ARB_occlusion_query_functions},
   {"GL_ARB_multitexture",		NULL},
   {"GL_ARB_point_parameters",		GL_ARB_point_parameters_functions},
diff --git a/src/mesa/drivers/dri/r300/r300_draw.c b/src/mesa/drivers/dri/r300/r300_draw.c
index 3dcd986e22..2219821153 100644
--- a/src/mesa/drivers/dri/r300/r300_draw.c
+++ b/src/mesa/drivers/dri/r300/r300_draw.c
@@ -56,6 +56,8 @@ static int getTypeSize(GLenum type)
 	switch (type) {
 		case GL_DOUBLE:
 			return sizeof(GLdouble);
+		case GL_HALF_FLOAT:
+			return sizeof(GLhalfARB);
 		case GL_FLOAT:
 			return sizeof(GLfloat);
 		case GL_INT:
@@ -385,6 +387,18 @@ static void r300TranslateAttrib(GLcontext *ctx, GLuint attr, int count, const st
 			r300_attr._signed = 0;
 			r300_attr.normalize = 0;
 			break;
+		case GL_HALF_FLOAT:
+			switch (input->Size) {
+				case 1:
+				case 2:
+					r300_attr.data_type = R300_DATA_TYPE_FLT16_2;
+					break;
+				case 3:
+				case 4:
+					r300_attr.data_type = R300_DATA_TYPE_FLT16_4;
+					break;
+			}
+			break;
 		case GL_SHORT:
 			r300_attr._signed = 1;
 			r300_attr.normalize = input->Normalized;
diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h
index ea684e7df1..d18ebab8ff 100644
--- a/src/mesa/drivers/dri/r300/r300_reg.h
+++ b/src/mesa/drivers/dri/r300/r300_reg.h
@@ -230,6 +230,9 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #       define R300_DATA_TYPE_SHORT_4                   7
 #       define R300_DATA_TYPE_VECTOR_3_TTT              8
 #       define R300_DATA_TYPE_VECTOR_3_EET              9
+#	define R300_DATA_TYPE_FLT16_2			11
+#	define R300_DATA_TYPE_FLT16_4			12
+
 #       define R300_SKIP_DWORDS_SHIFT                   4
 #       define R300_DST_VEC_LOC_SHIFT                   8
 #       define R300_LAST_VEC                            (1 << 13)