ilo: resolve Z/HiZ correctly

[mesa.git] / src / gallium / drivers / i915 / i915_state.c

diff --git a/src/gallium/drivers/i915/i915_state.c b/src/gallium/drivers/i915/i915_state.c
index 70cba8b3a7a08da9f6dfc715add279ecc2fc021b..54c343cf2bfb4c7187ab7ae5fa50e386802e1542 100644 (file)
--- a/src/gallium/drivers/i915/i915_state.c
+++ b/src/gallium/drivers/i915/i915_state.c
@@ -293,25 +293,31 @@ i915_create_sampler_state(struct pipe_context *pipe,
 
 static void
 i915_bind_vertex_sampler_states(struct pipe_context *pipe,
-                                unsigned num_samplers,
+                                unsigned start,
+                                unsigned num,
                                 void **samplers)
 {
    struct i915_context *i915 = i915_context(pipe);
    unsigned i;
 
-   assert(num_samplers <= Elements(i915->vertex_samplers));
+   assert(start + num <= Elements(i915->vertex_samplers));
 
    /* Check for no-op */
-   if (num_samplers == i915->num_vertex_samplers &&
-       !memcmp(i915->vertex_samplers, samplers, num_samplers * sizeof(void *)))
+   if (num == i915->num_vertex_samplers &&
+       !memcmp(i915->vertex_samplers + start, samplers,
+              num * sizeof(void *)))
       return;
 
-   for (i = 0; i < num_samplers; ++i)
-      i915->vertex_samplers[i] = samplers[i];
-   for (i = num_samplers; i < Elements(i915->vertex_samplers); ++i)
-      i915->vertex_samplers[i] = NULL;
+   for (i = 0; i < num; ++i)
+      i915->vertex_samplers[i + start] = samplers[i];
 
-   i915->num_vertex_samplers = num_samplers;
+   /* find highest non-null samplers[] entry */
+   {
+      unsigned j = MAX2(i915->num_vertex_samplers, start + num);
+      while (j > 0 && i915->vertex_samplers[j - 1] == NULL)
+         j--;
+      i915->num_vertex_samplers = j;
+   }
 
    draw_set_samplers(i915->draw,
                      PIPE_SHADER_VERTEX,
@@ -322,22 +328,29 @@ i915_bind_vertex_sampler_states(struct pipe_context *pipe,
 
 
 static void i915_bind_fragment_sampler_states(struct pipe_context *pipe,
-                                     unsigned num, void **sampler)
+                                              unsigned start,
+                                              unsigned num,
+                                              void **samplers)
 {
    struct i915_context *i915 = i915_context(pipe);
    unsigned i;
 
    /* Check for no-op */
    if (num == i915->num_samplers &&
-       !memcmp(i915->sampler, sampler, num * sizeof(void *)))
+       !memcmp(i915->fragment_sampler + start, samplers,
+               num * sizeof(void *)))
       return;
 
    for (i = 0; i < num; ++i)
-      i915->sampler[i] = sampler[i];
-   for (i = num; i < PIPE_MAX_SAMPLERS; ++i)
-      i915->sampler[i] = NULL;
+      i915->fragment_sampler[i + start] = samplers[i];
 
-   i915->num_samplers = num;
+   /* find highest non-null samplers[] entry */
+   {
+      unsigned j = MAX2(i915->num_samplers, start + num);
+      while (j > 0 && i915->fragment_sampler[j - 1] == NULL)
+         j--;
+      i915->num_samplers = j;
+   }
 
    i915->dirty |= I915_NEW_SAMPLER;
 }
@@ -348,14 +361,12 @@ i915_bind_sampler_states(struct pipe_context *pipe, unsigned shader,
                          unsigned start, unsigned num_samplers,
                          void **samplers)
 {
-   assert(start == 0);
-
    switch (shader) {
    case PIPE_SHADER_VERTEX:
-      i915_bind_vertex_sampler_states(pipe, num_samplers, samplers);
+      i915_bind_vertex_sampler_states(pipe, start, num_samplers, samplers);
       break;
    case PIPE_SHADER_FRAGMENT:
-      i915_bind_fragment_sampler_states(pipe, num_samplers, samplers);
+      i915_bind_fragment_sampler_states(pipe, start, num_samplers, samplers);
       break;
    default:
       ;
@@ -782,6 +793,25 @@ i915_set_vertex_sampler_views(struct pipe_context *pipe,
 }
 
 
+static void
+i915_set_sampler_views(struct pipe_context *pipe, unsigned shader,
+                       unsigned start, unsigned num,
+                       struct pipe_sampler_view **views)
+{
+   assert(start == 0);
+   switch (shader) {
+   case PIPE_SHADER_FRAGMENT:
+      i915_set_fragment_sampler_views(pipe, num, views);
+      break;
+   case PIPE_SHADER_VERTEX:
+      i915_set_vertex_sampler_views(pipe, num, views);
+      break;
+   default:
+      ;
+   }
+}
+
+
 static struct pipe_sampler_view *
 i915_create_sampler_view(struct pipe_context *pipe,
                          struct pipe_resource *texture,
@@ -1065,8 +1095,7 @@ i915_init_state_functions( struct i915_context *i915 )
 
    i915->base.set_polygon_stipple = i915_set_polygon_stipple;
    i915->base.set_scissor_states = i915_set_scissor_states;
-   i915->base.set_fragment_sampler_views = i915_set_fragment_sampler_views;
-   i915->base.set_vertex_sampler_views = i915_set_vertex_sampler_views;
+   i915->base.set_sampler_views = i915_set_sampler_views;
    i915->base.create_sampler_view = i915_create_sampler_view;
    i915->base.sampler_view_destroy = i915_sampler_view_destroy;
    i915->base.set_viewport_states = i915_set_viewport_states;