/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
-/* Authors: Keith Whitwell <keith@tungstengraphics.com>
+/* Authors: Keith Whitwell <keithw@vmware.com>
*/
#include "i915_state_inlines.h"
#include "i915_fpc.h"
#include "i915_resource.h"
+#include "i915_state.h"
/* The i915 (and related graphics cores) do not support GL_CLAMP. The
* Intel drivers for "other operating systems" implement GL_CLAMP as
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,
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;
}
+
+static void
+i915_bind_sampler_states(struct pipe_context *pipe, unsigned shader,
+ unsigned start, unsigned num_samplers,
+ void **samplers)
+{
+ switch (shader) {
+ case PIPE_SHADER_VERTEX:
+ i915_bind_vertex_sampler_states(pipe, start, num_samplers, samplers);
+ break;
+ case PIPE_SHADER_FRAGMENT:
+ i915_bind_fragment_sampler_states(pipe, start, num_samplers, samplers);
+ break;
+ default:
+ ;
+ }
+}
+
+
static void i915_delete_sampler_state(struct pipe_context *pipe,
void *sampler)
{
}
+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:
+ ;
+ }
+}
+
+
+struct pipe_sampler_view *
+i915_create_sampler_view_custom(struct pipe_context *pipe,
+ struct pipe_resource *texture,
+ const struct pipe_sampler_view *templ,
+ unsigned width0,
+ unsigned height0)
+{
+ struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view);
+
+ if (view) {
+ *view = *templ;
+ view->reference.count = 1;
+ view->texture = NULL;
+ pipe_resource_reference(&view->texture, texture);
+ view->context = pipe;
+ }
+
+ return view;
+}
+
static struct pipe_sampler_view *
i915_create_sampler_view(struct pipe_context *pipe,
struct pipe_resource *texture,
i915->base.delete_blend_state = i915_delete_blend_state;
i915->base.create_sampler_state = i915_create_sampler_state;
- i915->base.bind_fragment_sampler_states = i915_bind_fragment_sampler_states;
- i915->base.bind_vertex_sampler_states = i915_bind_vertex_sampler_states;
+ i915->base.bind_sampler_states = i915_bind_sampler_states;
i915->base.delete_sampler_state = i915_delete_sampler_state;
i915->base.create_depth_stencil_alpha_state = i915_create_depth_stencil_state;
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;