softpipe: implement some support for multiple viewports

[mesa.git] / src / gallium / drivers / softpipe / sp_context.h

diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h
index 073b71a913ede6d7bc2cb14dcbb842bb507ed979..8e5e24217a5213dac45ef63837a24c26961325d6 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_context.h
+++ b/src/gallium/drivers/softpipe/sp_context.h
@@ -79,10 +79,10 @@ struct softpipe_context {
    struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
    struct pipe_framebuffer_state framebuffer;
    struct pipe_poly_stipple poly_stipple;
-   struct pipe_scissor_state scissor;
+   struct pipe_scissor_state scissors[PIPE_MAX_VIEWPORTS];
    struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
 
-   struct pipe_viewport_state viewport;
+   struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS];
    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
    struct pipe_index_buffer index_buffer;
    struct pipe_resource *mapped_vs_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS];
@@ -123,6 +123,9 @@ struct softpipe_context {
    /** Which vertex shader output slot contains point size */
    int psize_slot;
 
+   /** Which vertex shader output slot contains viewport index */
+   int viewport_index_slot;
+
    /** Which vertex shader output slot contains layer */
    int layer_slot;
 
@@ -140,7 +143,7 @@ struct softpipe_context {
    unsigned reduced_prim;
 
    /** Derived from scissor and surface bounds: */
-   struct pipe_scissor_state cliprect;
+   struct pipe_scissor_state cliprect[PIPE_MAX_VIEWPORTS];
 
    unsigned line_stipple_counter;