From cfe884e2030466df673881da8e830c300dda40db Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 18 Jan 2010 16:29:31 +1000 Subject: mesa: add core support for ARB_half_float_vertex. Adds the extension to the list + support to the APIs. also add t_draw.c support to convert for sw rast. Signed-off-by: Dave Airlie --- src/mesa/tnl/t_draw.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'src/mesa/tnl') diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c index 38757a0e28..d8c611031d 100644 --- a/src/mesa/tnl/t_draw.c +++ b/src/mesa/tnl/t_draw.c @@ -108,6 +108,22 @@ convert_bgra_to_float(const struct gl_client_array *input, } } +static void +convert_half_to_float(const struct gl_client_array *input, + const GLubyte *ptr, GLfloat *fptr, + GLuint count, GLuint sz) +{ + GLuint i, j; + + for (i = 0; i < count; i++) { + GLhalfARB *in = (GLhalfARB *)ptr; + + for (j = 0; j < sz; j++) { + *fptr++ = _mesa_half_to_float(in[j]); + } + ptr += input->StrideB; + } +} /* Adjust pointer to point at first requested element, convert to * floating point, populate VB->AttribPtr[]. @@ -155,6 +171,9 @@ static void _tnl_import_array( GLcontext *ctx, case GL_DOUBLE: CONVERT(GLdouble, (GLfloat)); break; + case GL_HALF_FLOAT: + convert_half_to_float(input, ptr, fptr, count, sz); + break; default: assert(0); break; -- cgit v1.2.3