r300-gallium: Split off invariant state.

It's kind of like a CSO todo list. :3

4 files changed, 91 insertions, 14 deletions

diff --git a/src/gallium/drivers/r300/Makefile b/src/gallium/drivers/r300/Makefile
index 9b7524b523a..a0fd17bd59b 100644
--- a/src/gallium/drivers/r300/Makefile
+++ b/src/gallium/drivers/r300/Makefile
@@ -12,6 +12,7 @@ C_SOURCES = \
 	r300_screen.c \
 	r300_state.c \
 	r300_state_derived.c \
+	r300_state_invariant.c \
 	r300_state_shader.c \
 	r300_surface.c \
 	r300_swtcl_emit.c \
diff --git a/src/gallium/drivers/r300/r300_state_invariant.c b/src/gallium/drivers/r300/r300_state_invariant.c
new file mode 100644
index 00000000000..7fd7aefeb72
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_state_invariant.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2009 Joakim Sindholt <[email protected]>
+ *                Corbin Simpson <[email protected]>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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 "r300_state_invariant.h"
+
+/* Calculate and emit invariant state. This is data that the 3D engine
+ * will probably want at the beginning of every CS, but it's not currently
+ * handled by any CSO setup, and in addition it doesn't really change much.
+ *
+ * Note that eventually this should be empty, but it's useful for development
+ * and general unduplication of code. */
+void r300_emit_invariant_state(struct r300_context* r300)
+{
+    struct r300_capabilities* caps = r300_screen(r300->context.screen)->caps;
+    CS_LOCALS(r300);
+
+    BEGIN_CS(14);
+    /* Amount of time to wait for vertex fetches in PVS */
+    OUT_CS_REG(VAP_PVS_VTX_TIMEOUT_REG, 0xffff);
+    /* Various GB enables */
+    OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
+        R300_GB_LINE_STUFF_ENABLE | R300_GB_TRIANGLE_STUFF_ENABLE);
+    /* Subpixel multisampling for AA */
+    OUT_CS_REG(R300_GB_MSPOS0, 0x66666666);
+    OUT_CS_REG(R300_GB_MSPOS1, 0x66666666);
+    /* GB tile config and pipe setup */
+    OUT_CS_REG(R300_GB_TILE_CONFIG, R300_GB_TILE_DISABLE |
+        r300_translate_gb_pipes(caps->num_frag_pipes));
+    /* Source of fog depth */
+    OUT_CS_REG(R300_GB_SELECT, R300_GB_FOG_SELECT_1_1_W);
+    /* AA enable */
+    OUT_CS_REG(R300_GB_AA_CONFIG, 0x0);
+    END_CS;
+}
diff --git a/src/gallium/drivers/r300/r300_state_invariant.h b/src/gallium/drivers/r300/r300_state_invariant.h
new file mode 100644
index 00000000000..8204bf9588b
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_state_invariant.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2008 Corbin Simpson <[email protected]>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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. */
+
+#ifndef R300_STATE_INVARIANT_H
+#define R300_STATE_INVARIANT_H
+
+#include "r300_context.h"
+#include "r300_cs.h"
+#include "r300_reg.h"
+#include "r300_state_inlines.h"
+
+void r300_emit_invariant_state(struct r300_context* r300);
+
+#endif /* R300_STATE_INVARIANT_H */
diff --git a/src/gallium/drivers/r300/r300_surface.c b/src/gallium/drivers/r300/r300_surface.c
index d7c624e1f3b..3b6106a8a1a 100644
--- a/src/gallium/drivers/r300/r300_surface.c
+++ b/src/gallium/drivers/r300/r300_surface.c
@@ -55,12 +55,14 @@ static void r300_surface_fill(struct pipe_context* pipe,
         return;
     }*/
 
+    r300_emit_invariant_state(r300);
+
     r300_emit_blend_state(r300, &blend_clear_state);
     r300_emit_blend_color_state(r300, &blend_color_clear_state);
     r300_emit_dsa_state(r300, &dsa_clear_state);
     r300_emit_rs_state(r300, &rs_clear_state);
 
-    BEGIN_CS(143 + (caps->is_r500 ? 22 : 14) + (caps->has_tcl ? 4 : 2));
+    BEGIN_CS(129 + (caps->is_r500 ? 22 : 14) + (caps->has_tcl ? 4 : 2));
     /* Flush PVS. */
     OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
 
@@ -89,19 +91,6 @@ static void r300_surface_fill(struct pipe_context* pipe,
     OUT_CS_32F(1.0);
     OUT_CS_32F(1.0);
     OUT_CS_32F(1.0);
-    /* XXX is this too long? */
-    OUT_CS_REG(VAP_PVS_VTX_TIMEOUT_REG, 0xFFFF);
-    OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
-        R300_GB_LINE_STUFF_ENABLE | R300_GB_TRIANGLE_STUFF_ENABLE);
-    /* XXX more magic numbers */
-    OUT_CS_REG(R300_GB_MSPOS0, 0x66666666);
-    OUT_CS_REG(R300_GB_MSPOS1, 0x66666666);
-    /* XXX why doesn't classic Mesa write the number of pipes, too? */
-    OUT_CS_REG(R300_GB_TILE_CONFIG, R300_GB_TILE_DISABLE |
-        r300_translate_gb_pipes(caps->num_frag_pipes) |
-        R300_GB_TILE_SIZE_16);
-    OUT_CS_REG(R300_GB_SELECT, R300_GB_FOG_SELECT_1_1_W);
-    OUT_CS_REG(R300_GB_AA_CONFIG, 0x0);
     /* XXX point tex stuffing */
     OUT_CS_REG_SEQ(R300_GA_POINT_S0, 1);
     OUT_CS_32F(0.0);