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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vs.h')
-rw-r--r--src/gallium/auxiliary/draw/draw_vs.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs.h b/src/gallium/auxiliary/draw/draw_vs.h
index f9772b83b8..01171bc23d 100644
--- a/src/gallium/auxiliary/draw/draw_vs.h
+++ b/src/gallium/auxiliary/draw/draw_vs.h
@@ -38,10 +38,84 @@
struct draw_context;
struct pipe_shader_state;
+struct draw_varient_input
+{
+ enum pipe_format format;
+ unsigned buffer;
+ unsigned offset;
+};
+
+struct draw_varient_output
+{
+ enum pipe_format format; /* output format */
+ unsigned vs_output:8; /* which vertex shader output is this? */
+ unsigned offset:24; /* offset into output vertex */
+};
+
+struct draw_varient_element {
+ struct draw_varient_input in;
+ struct draw_varient_output out;
+};
+
+struct draw_vs_varient_key {
+ unsigned output_stride;
+ unsigned nr_elements:8; /* max2(nr_inputs, nr_outputs) */
+ unsigned nr_inputs:8;
+ unsigned nr_outputs:8;
+ unsigned viewport:1;
+ unsigned clip:1;
+ unsigned pad:5;
+ struct draw_varient_element element[PIPE_MAX_ATTRIBS];
+};
+
+struct draw_vs_varient;
+
+typedef void (PIPE_CDECL *vsv_run_elts_func)( struct draw_vs_varient *,
+ const unsigned *elts,
+ unsigned count,
+ void *output_buffer);
+
+typedef void (PIPE_CDECL *vsv_run_linear_func)( struct draw_vs_varient *,
+ unsigned start,
+ unsigned count,
+ void *output_buffer);
+
+
+struct draw_vs_varient {
+ struct draw_vs_varient_key key;
+
+ struct draw_vertex_shader *vs;
+
+ void (*set_input)( struct draw_vs_varient *,
+ unsigned i,
+ const void *ptr,
+ unsigned stride );
+
+ void (*set_constants)( struct draw_vs_varient *,
+ const float (*constants)[4] );
+
+ void (*set_viewport)( struct draw_vs_varient *,
+ const struct pipe_viewport_state * );
+
+ void (PIPE_CDECL *run_linear)( struct draw_vs_varient *shader,
+ unsigned start,
+ unsigned count,
+ void *output_buffer );
+
+ void (PIPE_CDECL *run_elts)( struct draw_vs_varient *shader,
+ const unsigned *elts,
+ unsigned count,
+ void *output_buffer );
+
+ void (*destroy)( struct draw_vs_varient * );
+};
+
+
/**
* Private version of the compiled vertex_shader
*/
struct draw_vertex_shader {
+ struct draw_context *draw;
/* This member will disappear shortly:
*/
@@ -49,6 +123,14 @@ struct draw_vertex_shader {
struct tgsi_shader_info info;
+ /*
+ */
+ struct draw_vs_varient *varient[16];
+ unsigned nr_varients;
+ struct draw_vs_varient *(*create_varient)( struct draw_vertex_shader *shader,
+ const struct draw_vs_varient_key *key );
+
+
void (*prepare)( struct draw_vertex_shader *shader,
struct draw_context *draw );
@@ -68,6 +150,15 @@ struct draw_vertex_shader {
};
+struct draw_vs_varient *
+draw_vs_lookup_varient( struct draw_vertex_shader *base,
+ const struct draw_vs_varient_key *key );
+
+
+/********************************************************************************
+ * Internal functions:
+ */
+
struct draw_vertex_shader *
draw_create_vs_exec(struct draw_context *draw,
const struct pipe_shader_state *templ);
@@ -81,7 +172,52 @@ draw_create_vs_llvm(struct draw_context *draw,
const struct pipe_shader_state *templ);
+
+struct draw_vs_varient_key;
+struct draw_vertex_shader;
+
+struct draw_vs_varient *draw_vs_varient_aos_sse( struct draw_vertex_shader *vs,
+ const struct draw_vs_varient_key *key );
+
+
+
+/********************************************************************************
+ * Helpers for vs implementations that don't do their own fetch/emit varients.
+ * Means these can be shared between shaders.
+ */
+struct translate;
+struct translate_key;
+
+struct translate *draw_vs_get_fetch( struct draw_context *draw,
+ struct translate_key *key );
+
+
+struct translate *draw_vs_get_emit( struct draw_context *draw,
+ struct translate_key *key );
+
+struct draw_vs_varient *draw_vs_varient_generic( struct draw_vertex_shader *vs,
+ const struct draw_vs_varient_key *key );
+
+
+
+static INLINE int draw_vs_varient_keysize( const struct draw_vs_varient_key *key )
+{
+ return 2 * sizeof(int) + key->nr_elements * sizeof(struct draw_varient_element);
+}
+
+static INLINE int draw_vs_varient_key_compare( const struct draw_vs_varient_key *a,
+ const struct draw_vs_varient_key *b )
+{
+ int keysize = draw_vs_varient_keysize(a);
+ return memcmp(a, b, keysize);
+}
+
+
+
+
+
#define MAX_TGSI_VERTICES 4
+
#endif