st/mesa: add atomic counter support

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

1 files changed, 158 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_atom_atomicbuf.c b/src/mesa/state_tracker/st_atom_atomicbuf.c
new file mode 100644
index 00000000000..1c30d1fb701
--- /dev/null
+++ b/src/mesa/state_tracker/st_atom_atomicbuf.c
@@ -0,0 +1,158 @@
+/**************************************************************************
+ *
+ * Copyright 2014 Ilia Mirkin. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 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.
+ *
+ **************************************************************************/
+
+#include "main/imports.h"
+#include "program/prog_parameter.h"
+#include "program/prog_print.h"
+#include "compiler/glsl/ir_uniform.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "util/u_surface.h"
+
+#include "st_debug.h"
+#include "st_cb_bufferobjects.h"
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_program.h"
+
+static void
+st_bind_atomics(struct st_context *st,
+                struct gl_shader_program *prog,
+                unsigned shader_type)
+{
+   unsigned i;
+
+   if (!prog || !st->pipe->set_shader_buffers)
+      return;
+
+   for (i = 0; i < prog->NumAtomicBuffers; i++) {
+      struct gl_active_atomic_buffer *atomic = &prog->AtomicBuffers[i];
+      struct gl_atomic_buffer_binding *binding =
+         &st->ctx->AtomicBufferBindings[atomic->Binding];
+      struct st_buffer_object *st_obj =
+         st_buffer_object(binding->BufferObject);
+      struct pipe_shader_buffer sb = { 0 };
+
+      sb.buffer = st_obj->buffer;
+      sb.buffer_offset = binding->Offset;
+      sb.buffer_size = st_obj->buffer->width0 - binding->Offset;
+
+      st->pipe->set_shader_buffers(st->pipe, shader_type,
+                                   atomic->Binding, 1, &sb);
+   }
+}
+
+static void
+bind_vs_atomics(struct st_context *st)
+{
+   struct gl_shader_program *prog =
+      st->ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
+
+   st_bind_atomics(st, prog, PIPE_SHADER_VERTEX);
+}
+
+const struct st_tracked_state st_bind_vs_atomics = {
+   "st_bind_vs_atomics",
+   {
+      0,
+      ST_NEW_VERTEX_PROGRAM | ST_NEW_ATOMIC_BUFFER,
+   },
+   bind_vs_atomics
+};
+
+static void
+bind_fs_atomics(struct st_context *st)
+{
+   struct gl_shader_program *prog =
+      st->ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT];
+
+   st_bind_atomics(st, prog, PIPE_SHADER_FRAGMENT);
+}
+
+const struct st_tracked_state st_bind_fs_atomics = {
+   "st_bind_fs_atomics",
+   {
+      0,
+      ST_NEW_FRAGMENT_PROGRAM | ST_NEW_ATOMIC_BUFFER,
+   },
+   bind_fs_atomics
+};
+
+static void
+bind_gs_atomics(struct st_context *st)
+{
+   struct gl_shader_program *prog =
+      st->ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
+
+   st_bind_atomics(st, prog, PIPE_SHADER_GEOMETRY);
+}
+
+const struct st_tracked_state st_bind_gs_atomics = {
+   "st_bind_gs_atomics",
+   {
+      0,
+      ST_NEW_GEOMETRY_PROGRAM | ST_NEW_ATOMIC_BUFFER,
+   },
+   bind_gs_atomics
+};
+
+static void
+bind_tcs_atomics(struct st_context *st)
+{
+   struct gl_shader_program *prog =
+      st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_CTRL];
+
+   st_bind_atomics(st, prog, PIPE_SHADER_TESS_CTRL);
+}
+
+const struct st_tracked_state st_bind_tcs_atomics = {
+   "st_bind_tcs_atomics",
+   {
+      0,
+      ST_NEW_TESSCTRL_PROGRAM | ST_NEW_ATOMIC_BUFFER,
+   },
+   bind_tcs_atomics
+};
+
+static void
+bind_tes_atomics(struct st_context *st)
+{
+   struct gl_shader_program *prog =
+      st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_EVAL];
+
+   st_bind_atomics(st, prog, PIPE_SHADER_TESS_EVAL);
+}
+
+const struct st_tracked_state st_bind_tes_atomics = {
+   "st_bind_tes_atomics",
+   {
+      0,
+      ST_NEW_TESSEVAL_PROGRAM | ST_NEW_ATOMIC_BUFFER,
+   },
+   bind_tes_atomics
+};