From 0b64ee6960f9e099bc1a6ca6fa10720fee875b3a Mon Sep 17 00:00:00 2001 From: Brian Date: Fri, 8 Feb 2008 14:51:32 -0700 Subject: gallium: added inClipCoords param to st_draw_vertices() to indicate coord system of vertices Also, export st_make_passthrough_vertex_shader() from st_cb_drawpixels.c --- src/mesa/state_tracker/st_draw.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) (limited to 'src/mesa/state_tracker/st_draw.c') diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index c9b8e78485..ae9f5c8b11 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -354,7 +354,8 @@ st_draw_vbo(GLcontext *ctx, void st_draw_vertices(GLcontext *ctx, unsigned prim, unsigned numVertex, float *verts, - unsigned numAttribs) + unsigned numAttribs, + GLboolean inClipCoords) { const float width = ctx->DrawBuffer->Width; const float height = ctx->DrawBuffer->Height; @@ -367,14 +368,16 @@ st_draw_vertices(GLcontext *ctx, unsigned prim, assert(numAttribs > 0); - /* convert to clip coords */ - for (i = 0; i < numVertex; i++) { - float x = verts[i * numAttribs * 4 + 0]; - float y = verts[i * numAttribs * 4 + 1]; - x = x / width * 2.0 - 1.0; - y = y / height * 2.0 - 1.0; - verts[i * numAttribs * 4 + 0] = x; - verts[i * numAttribs * 4 + 1] = y; + if (!inClipCoords) { + /* convert to clip coords */ + for (i = 0; i < numVertex; i++) { + float x = verts[i * numAttribs * 4 + 0]; + float y = verts[i * numAttribs * 4 + 1]; + x = x / width * 2.0 - 1.0; + y = y / height * 2.0 - 1.0; + verts[i * numAttribs * 4 + 0] = x; + verts[i * numAttribs * 4 + 1] = y; + } } /* XXX create one-time */ -- cgit v1.2.3