diff options
Diffstat (limited to 'src/mesa/vbo/vbo_exec_draw.c')
| -rw-r--r-- | src/mesa/vbo/vbo_exec_draw.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c index ae43857c8a..45133fa4f3 100644 --- a/src/mesa/vbo/vbo_exec_draw.c +++ b/src/mesa/vbo/vbo_exec_draw.c @@ -176,7 +176,20 @@ static void vbo_exec_bind_arrays( GLcontext *ctx ) exec->vtx.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)) { + exec->vtx.inputs[16] = exec->vtx.inputs[0]; + exec->vtx.attrsz[16] = exec->vtx.attrsz[0]; + exec->vtx.attrsz[0] = 0; + } break; + default: + assert(0); } /* Make all active attributes (including edgeflag) available as @@ -205,6 +218,7 @@ static void vbo_exec_bind_arrays( GLcontext *ctx ) arrays[attr].StrideB = exec->vtx.vertex_size * sizeof(GLfloat); arrays[attr].Stride = exec->vtx.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, @@ -249,9 +263,11 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec ) if (ctx->NewState) _mesa_update_state( ctx ); - - ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj); - exec->vtx.buffer_map = NULL; + /* if using a real VBO, unmap it before drawing */ + if (exec->vtx.bufferobj->Name) { + ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj); + exec->vtx.buffer_map = NULL; + } vbo_context(ctx)->draw_prims( ctx, exec->vtx.inputs, @@ -261,11 +277,12 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec ) 0, exec->vtx.vert_count - 1); - /* Get new data: - */ - ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj); - exec->vtx.buffer_map - = ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj); + /* If using a real VBO, get new storage */ + if (exec->vtx.bufferobj->Name) { + ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj); + exec->vtx.buffer_map = + ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj); + } } } |