v3d: don't emit point coordinates varyings if the FS doesn't read them
[mesa.git] / src / gallium / drivers / v3d / v3d_context.c
index 12741b578e3524bf12251a98744ef448b654dd23..fcd2d5ec69ba70ceb89ce0e7aaaa097ee7c7990c 100644 (file)
@@ -37,6 +37,7 @@
 #include "v3d_screen.h"
 #include "v3d_context.h"
 #include "v3d_resource.h"
+#include "broadcom/compiler/v3d_compiler.h"
 
 void
 v3d_flush(struct pipe_context *pctx)
@@ -65,6 +66,31 @@ v3d_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
         }
 }
 
+static void
+v3d_memory_barrier(struct pipe_context *pctx, unsigned int flags)
+{
+        struct v3d_context *v3d = v3d_context(pctx);
+
+       if (!(flags & ~PIPE_BARRIER_UPDATE))
+               return;
+
+        /* We only need to flush jobs writing to SSBOs/images. */
+        perf_debug("Flushing all jobs for glMemoryBarrier(), could do better");
+        v3d_flush(pctx);
+}
+
+static void
+v3d_set_debug_callback(struct pipe_context *pctx,
+                       const struct pipe_debug_callback *cb)
+{
+        struct v3d_context *v3d = v3d_context(pctx);
+
+        if (cb)
+                v3d->debug = *cb;
+        else
+                memset(&v3d->debug, 0, sizeof(v3d->debug));
+}
+
 static void
 v3d_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
 {
@@ -98,6 +124,8 @@ v3d_context_destroy(struct pipe_context *pctx)
 
         if (v3d->uploader)
                 u_upload_destroy(v3d->uploader);
+        if (v3d->state_uploader)
+                u_upload_destroy(v3d->state_uploader);
 
         slab_destroy_child(&v3d->transfer_pool);
 
@@ -109,6 +137,27 @@ v3d_context_destroy(struct pipe_context *pctx)
         ralloc_free(v3d);
 }
 
+static void
+v3d_get_sample_position(struct pipe_context *pctx,
+                        unsigned sample_count, unsigned sample_index,
+                        float *xy)
+{
+        struct v3d_context *v3d = v3d_context(pctx);
+
+        if (sample_count <= 1) {
+                xy[0] = 0.5;
+                xy[1] = 0.5;
+        } else {
+                static const int xoffsets_v33[] = { 1, -3, 3, -1 };
+                static const int xoffsets_v42[] = { -1, 3, -3, 1 };
+                const int *xoffsets = (v3d->screen->devinfo.ver >= 42 ?
+                                       xoffsets_v42 : xoffsets_v33);
+
+                xy[0] = 0.5 + xoffsets[sample_index] * .125;
+                xy[1] = .125 + sample_index * .25;
+        }
+}
+
 struct pipe_context *
 v3d_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
 {
@@ -137,7 +186,10 @@ v3d_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
         pctx->priv = priv;
         pctx->destroy = v3d_context_destroy;
         pctx->flush = v3d_pipe_flush;
+        pctx->memory_barrier = v3d_memory_barrier;
+        pctx->set_debug_callback = v3d_set_debug_callback;
         pctx->invalidate_resource = v3d_invalidate_resource;
+        pctx->get_sample_position = v3d_get_sample_position;
 
         if (screen->devinfo.ver >= 41) {
                 v3d41_draw_init(pctx);
@@ -159,6 +211,10 @@ v3d_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
         v3d->uploader = u_upload_create_default(&v3d->base);
         v3d->base.stream_uploader = v3d->uploader;
         v3d->base.const_uploader = v3d->uploader;
+        v3d->state_uploader = u_upload_create(&v3d->base,
+                                              4096,
+                                              PIPE_BIND_CONSTANT_BUFFER,
+                                              PIPE_USAGE_STREAM, 0);
 
         v3d->blitter = util_blitter_create(pctx);
         if (!v3d->blitter)
@@ -172,7 +228,7 @@ v3d_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
 
         V3D_DEBUG |= saved_shaderdb_flag;
 
-        v3d->sample_mask = (1 << VC5_MAX_SAMPLES) - 1;
+        v3d->sample_mask = (1 << V3D_MAX_SAMPLES) - 1;
         v3d->active_queries = true;
 
         return &v3d->base;