i965: Add tessellation shader surface support.

This is brw_gs_surface_state.c copy and pasted twice with search and
replace.

brw_binding_table.c code is similarly copy and pasted.

v2: Drop dword_pitch related fields.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>

1 files changed, 144 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_tcs_surface_state.c b/src/mesa/drivers/dri/i965/brw_tcs_surface_state.c
new file mode 100644
index 0000000..115c5abd
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/brw_tcs_surface_state.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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/mtypes.h"
+#include "program/prog_parameter.h"
+
+#include "brw_context.h"
+#include "brw_state.h"
+
+
+/* Creates a new TCS constant buffer reflecting the current TCS program's
+ * constants, if needed by the TCS program.
+ *
+ * Otherwise, constants go through the CURBEs using the brw_constant_buffer
+ * state atom.
+ */
+static void
+brw_upload_tcs_pull_constants(struct brw_context *brw)
+{
+   struct brw_stage_state *stage_state = &brw->tcs.base;
+
+   /* BRW_NEW_TESS_CTRL_PROGRAM */
+   struct brw_tess_ctrl_program *tcp =
+      (struct brw_tess_ctrl_program *) brw->tess_ctrl_program;
+
+   if (!tcp)
+      return;
+
+   /* BRW_NEW_TCS_PROG_DATA */
+   const struct brw_stage_prog_data *prog_data = &brw->tcs.prog_data->base.base;
+
+   /* _NEW_PROGRAM_CONSTANTS */
+   brw_upload_pull_constants(brw, BRW_NEW_TCS_CONSTBUF, &tcp->program.Base,
+                             stage_state, prog_data);
+}
+
+const struct brw_tracked_state brw_tcs_pull_constants = {
+   .dirty = {
+      .mesa = _NEW_PROGRAM_CONSTANTS,
+      .brw = BRW_NEW_BATCH |
+             BRW_NEW_TCS_PROG_DATA |
+             BRW_NEW_TESS_CTRL_PROGRAM,
+   },
+   .emit = brw_upload_tcs_pull_constants,
+};
+
+static void
+brw_upload_tcs_ubo_surfaces(struct brw_context *brw)
+{
+   struct gl_context *ctx = &brw->ctx;
+
+   /* _NEW_PROGRAM */
+   struct gl_shader_program *prog =
+      ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_CTRL];
+
+   if (!prog)
+      return;
+
+   /* BRW_NEW_TCS_PROG_DATA */
+   struct brw_stage_prog_data *prog_data = &brw->tcs.prog_data->base.base;
+
+   brw_upload_ubo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_TESS_CTRL],
+			   &brw->tcs.base, prog_data);
+}
+
+const struct brw_tracked_state brw_tcs_ubo_surfaces = {
+   .dirty = {
+      .mesa = _NEW_PROGRAM,
+      .brw = BRW_NEW_BATCH |
+             BRW_NEW_TCS_PROG_DATA |
+             BRW_NEW_UNIFORM_BUFFER,
+   },
+   .emit = brw_upload_tcs_ubo_surfaces,
+};
+
+static void
+brw_upload_tcs_abo_surfaces(struct brw_context *brw)
+{
+   struct gl_context *ctx = &brw->ctx;
+   /* _NEW_PROGRAM */
+   struct gl_shader_program *prog =
+      ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_CTRL];
+
+   if (prog) {
+      /* BRW_NEW_TCS_PROG_DATA */
+      brw_upload_abo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_TESS_CTRL],
+                              &brw->tcs.base, &brw->tcs.prog_data->base.base);
+   }
+}
+
+const struct brw_tracked_state brw_tcs_abo_surfaces = {
+   .dirty = {
+      .mesa = _NEW_PROGRAM,
+      .brw = BRW_NEW_ATOMIC_BUFFER |
+             BRW_NEW_BATCH |
+             BRW_NEW_TCS_PROG_DATA,
+   },
+   .emit = brw_upload_tcs_abo_surfaces,
+};
+
+static void
+brw_upload_tcs_image_surfaces(struct brw_context *brw)
+{
+   struct gl_context *ctx = &brw->ctx;
+   /* BRW_NEW_TESS_CTRL_PROGRAM */
+   struct gl_shader_program *prog =
+      ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_CTRL];
+
+   if (prog) {
+      /* BRW_NEW_TCS_PROG_DATA, BRW_NEW_IMAGE_UNITS */
+      brw_upload_image_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_TESS_CTRL],
+                                &brw->tcs.base, &brw->tcs.prog_data->base.base);
+   }
+}
+
+const struct brw_tracked_state brw_tcs_image_surfaces = {
+   .dirty = {
+      .brw = BRW_NEW_BATCH |
+             BRW_NEW_TCS_PROG_DATA |
+             BRW_NEW_IMAGE_UNITS |
+             BRW_NEW_TESS_CTRL_PROGRAM,
+   },
+   .emit = brw_upload_tcs_image_surfaces,
+};