radeonsi: add code for creating, binding and destroying tessellation shaders

This doesn't do anything yet.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index f6db3f5..c3591a7 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -57,6 +57,8 @@ static void si_blitter_begin(struct pipe_context *ctx, enum si_blitter_op op)
        util_blitter_save_rasterizer(sctx->blitter, sctx->queued.named.rasterizer);
        util_blitter_save_fragment_shader(sctx->blitter, sctx->ps_shader);
        util_blitter_save_geometry_shader(sctx->blitter, sctx->gs_shader);
+       util_blitter_save_tessctrl_shader(sctx->blitter, sctx->tcs_shader);
+       util_blitter_save_tesseval_shader(sctx->blitter, sctx->tes_shader);
        util_blitter_save_vertex_shader(sctx->blitter, sctx->vs_shader);
        util_blitter_save_vertex_elements(sctx->blitter, sctx->vertex_elements);
        if (sctx->queued.named.sample_mask) {

diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 1190010..2eaff1c 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -167,6 +167,8 @@ struct si_context {
        struct si_shader_selector       *ps_shader;
        struct si_shader_selector       *gs_shader;
        struct si_shader_selector       *vs_shader;
+       struct si_shader_selector       *tcs_shader;
+       struct si_shader_selector       *tes_shader;
        struct si_cs_shader_state       cs_shader_state;
        struct si_shader_data           shader_userdata;
        /* shader information */

diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 23aee38..88edc90 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -517,6 +517,18 @@ static void *si_create_vs_state(struct pipe_context *ctx,
        return si_create_shader_state(ctx, state, PIPE_SHADER_VERTEX);
 }
 
+static void *si_create_tcs_state(struct pipe_context *ctx,
+                                const struct pipe_shader_state *state)
+{
+       return si_create_shader_state(ctx, state, PIPE_SHADER_TESS_CTRL);
+}
+
+static void *si_create_tes_state(struct pipe_context *ctx,
+                                const struct pipe_shader_state *state)
+{
+       return si_create_shader_state(ctx, state, PIPE_SHADER_TESS_EVAL);
+}
+
 static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
 {
        struct si_context *sctx = (struct si_context *)ctx;
@@ -546,6 +558,34 @@ static void si_bind_gs_shader(struct pipe_context *ctx, void *state)
                si_shader_change_notify(sctx);
 }
 
+static void si_bind_tcs_shader(struct pipe_context *ctx, void *state)
+{
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *sel = state;
+
+       if (sctx->tcs_shader == sel)
+               return;
+
+       sctx->tcs_shader = sel;
+}
+
+static void si_bind_tes_shader(struct pipe_context *ctx, void *state)
+{
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *sel = state;
+       bool enable_changed = !!sctx->tes_shader != !!sel;
+
+       if (sctx->tes_shader == sel)
+               return;
+
+       sctx->tes_shader = sel;
+       sctx->clip_regs.dirty = true;
+       sctx->last_rast_prim = -1; /* reset this so that it gets updated */
+
+       if (enable_changed)
+               si_shader_change_notify(sctx);
+}
+
 static void si_make_dummy_ps(struct si_context *sctx)
 {
        if (!sctx->dummy_pixel_shader) {
@@ -643,6 +683,30 @@ static void si_delete_ps_shader(struct pipe_context *ctx, void *state)
        si_delete_shader_selector(ctx, sel);
 }
 
+static void si_delete_tcs_shader(struct pipe_context *ctx, void *state)
+{
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *sel = (struct si_shader_selector *)state;
+
+       if (sctx->tcs_shader == sel) {
+               sctx->tcs_shader = NULL;
+       }
+
+       si_delete_shader_selector(ctx, sel);
+}
+
+static void si_delete_tes_shader(struct pipe_context *ctx, void *state)
+{
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *sel = (struct si_shader_selector *)state;
+
+       if (sctx->tes_shader == sel) {
+               sctx->tes_shader = NULL;
+       }
+
+       si_delete_shader_selector(ctx, sel);
+}
+
 static void si_update_spi_map(struct si_context *sctx)
 {
        struct si_shader *ps = sctx->ps_shader->current;
@@ -956,14 +1020,20 @@ void si_update_shaders(struct si_context *sctx)
 void si_init_shader_functions(struct si_context *sctx)
 {
        sctx->b.b.create_vs_state = si_create_vs_state;
+       sctx->b.b.create_tcs_state = si_create_tcs_state;
+       sctx->b.b.create_tes_state = si_create_tes_state;
        sctx->b.b.create_gs_state = si_create_gs_state;
        sctx->b.b.create_fs_state = si_create_fs_state;
 
        sctx->b.b.bind_vs_state = si_bind_vs_shader;
+       sctx->b.b.bind_tcs_state = si_bind_tcs_shader;
+       sctx->b.b.bind_tes_state = si_bind_tes_shader;
        sctx->b.b.bind_gs_state = si_bind_gs_shader;
        sctx->b.b.bind_fs_state = si_bind_ps_shader;
 
        sctx->b.b.delete_vs_state = si_delete_vs_shader;
+       sctx->b.b.delete_tcs_state = si_delete_tcs_shader;
+       sctx->b.b.delete_tes_state = si_delete_tes_shader;
        sctx->b.b.delete_gs_state = si_delete_gs_shader;
        sctx->b.b.delete_fs_state = si_delete_ps_shader;
 }