diff options
Diffstat (limited to 'src/mesa/vbo/vbo_save_draw.c')
| -rw-r--r-- | src/mesa/vbo/vbo_save_draw.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/mesa/vbo/vbo_save_draw.c b/src/mesa/vbo/vbo_save_draw.c index 0488c5d718..617c5a77ba 100644 --- a/src/mesa/vbo/vbo_save_draw.c +++ b/src/mesa/vbo/vbo_save_draw.c @@ -118,8 +118,11 @@ static void vbo_bind_vertex_list( GLcontext *ctx, GLuint data = node->buffer_offset; const GLuint *map; GLuint attr; + GLubyte node_attrsz[VBO_ATTRIB_MAX]; /* copy of node->attrsz[] */ GLbitfield varying_inputs = 0x0; + memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz)); + /* Install the default (ie Current) attributes first, then overlay * all active ones. */ @@ -144,13 +147,26 @@ static void vbo_bind_vertex_list( GLcontext *ctx, save->inputs[attr + 16] = &vbo->generic_currval[attr]; } map = vbo->map_vp_arb; + + /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read. + * In that case we effectively need to route the data from + * glVertexAttrib(0, val) calls to feed into the GENERIC0 input. + */ + if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 && + (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) { + save->inputs[16] = save->inputs[0]; + node_attrsz[16] = node_attrsz[0]; + node_attrsz[0] = 0; + } break; + default: + assert(0); } for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) { GLuint src = map[attr]; - if (node->attrsz[src]) { + if (node_attrsz[src]) { /* override the default array set above */ save->inputs[attr] = &arrays[attr]; @@ -159,6 +175,7 @@ static void vbo_bind_vertex_list( GLcontext *ctx, arrays[attr].StrideB = node->vertex_size * sizeof(GLfloat); arrays[attr].Stride = node->vertex_size * sizeof(GLfloat); arrays[attr].Type = GL_FLOAT; + arrays[attr].Format = GL_RGBA; arrays[attr].Enabled = 1; _mesa_reference_buffer_object(ctx, &arrays[attr].BufferObj, |