[PATCH 01/10] render: New Ivybridge assembly programs for render acceleration.

[Kenneth Graunke <kenneth@whitecape.org>]

These are exactly the same as the ones for Sandybridge, but with message
registers translated (hopefully) in the same way as Haihao's new
programs (m1 == g65).

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
---
 src/i965_render.c                              |   95 +++++++++++++++++++++++-
 src/render_program/exa_wm_mask_affine.g7a      |   41 ++++++++++
 src/render_program/exa_wm_mask_affine.g7b      |    4 +
 src/render_program/exa_wm_mask_projective.g7a  |   63 ++++++++++++++++
 src/render_program/exa_wm_mask_projective.g7b  |   12 +++
 src/render_program/exa_wm_mask_sample_a.g7a    |   49 ++++++++++++
 src/render_program/exa_wm_mask_sample_a.g7b    |    3 +
 src/render_program/exa_wm_mask_sample_argb.g7a |   49 ++++++++++++
 src/render_program/exa_wm_mask_sample_argb.g7b |    3 +
 src/render_program/exa_wm_src_projective.g7a   |   63 ++++++++++++++++
 src/render_program/exa_wm_src_projective.g7b   |   12 +++
 src/render_program/exa_wm_src_sample_a.g7a     |   48 ++++++++++++
 src/render_program/exa_wm_src_sample_a.g7b     |    3 +
 13 files changed, 442 insertions(+), 3 deletions(-)
 create mode 100644 src/render_program/exa_wm_mask_affine.g7a
 create mode 100644 src/render_program/exa_wm_mask_affine.g7b
 create mode 100644 src/render_program/exa_wm_mask_projective.g7a
 create mode 100644 src/render_program/exa_wm_mask_projective.g7b
 create mode 100644 src/render_program/exa_wm_mask_sample_a.g7a
 create mode 100644 src/render_program/exa_wm_mask_sample_a.g7b
 create mode 100644 src/render_program/exa_wm_mask_sample_argb.g7a
 create mode 100644 src/render_program/exa_wm_mask_sample_argb.g7b
 create mode 100644 src/render_program/exa_wm_src_projective.g7a
 create mode 100644 src/render_program/exa_wm_src_projective.g7b
 create mode 100644 src/render_program/exa_wm_src_sample_a.g7a
 create mode 100644 src/render_program/exa_wm_src_sample_a.g7b

diff --git a/src/i965_render.c b/src/i965_render.c
index b76107d..5ab53c4 100644
--- a/src/i965_render.c
+++ b/src/i965_render.c
@@ -538,6 +538,74 @@ static const uint32_t ps_kernel_masknoca_projective_static_gen6[][4] = {
 #include "exa_wm_write.g6b"
 };
 
+/* programs for GEN7 */
+static const uint32_t ps_kernel_nomask_affine_static_gen7[][4] = {
+#include "exa_wm_src_affine.g7b"
+#include "exa_wm_src_sample_argb.g7b"
+#include "exa_wm_write.g7b"
+};
+
+static const uint32_t ps_kernel_nomask_projective_static_gen7[][4] = {
+#include "exa_wm_src_projective.g7b"
+#include "exa_wm_src_sample_argb.g7b"
+#include "exa_wm_write.g7b"
+};
+
+static const uint32_t ps_kernel_maskca_affine_static_gen7[][4] = {
+#include "exa_wm_src_affine.g7b"
+#include "exa_wm_src_sample_argb.g7b"
+#include "exa_wm_mask_affine.g7b"
+#include "exa_wm_mask_sample_argb.g7b"
+#include "exa_wm_ca.g6b"
+#include "exa_wm_write.g7b"
+};
+
+static const uint32_t ps_kernel_maskca_projective_static_gen7[][4] = {
+#include "exa_wm_src_projective.g7b"
+#include "exa_wm_src_sample_argb.g7b"
+#include "exa_wm_mask_projective.g7b"
+#include "exa_wm_mask_sample_argb.g7b"
+#include "exa_wm_ca.g4b.gen5"
+#include "exa_wm_write.g7b"
+};
+
+static const uint32_t ps_kernel_maskca_srcalpha_affine_static_gen7[][4] = {
+#include "exa_wm_src_affine.g7b"
+#include "exa_wm_src_sample_a.g7b"
+#include "exa_wm_mask_affine.g7b"
+#include "exa_wm_mask_sample_argb.g7b"
+#include "exa_wm_ca_srcalpha.g6b"
+#include "exa_wm_write.g7b"
+};
+
+static const uint32_t ps_kernel_maskca_srcalpha_projective_static_gen7[][4] = {
+#include "exa_wm_src_projective.g7b"
+#include "exa_wm_src_sample_a.g7b"
+#include "exa_wm_mask_projective.g7b"
+#include "exa_wm_mask_sample_argb.g7b"
+#include "exa_wm_ca_srcalpha.g6b"
+#include "exa_wm_write.g7b"
+};
+
+static const uint32_t ps_kernel_masknoca_affine_static_gen7[][4] = {
+#include "exa_wm_src_affine.g7b"
+#include "exa_wm_src_sample_argb.g7b"
+#include "exa_wm_mask_affine.g7b"
+#include "exa_wm_mask_sample_a.g7b"
+#include "exa_wm_noca.g6b"
+#include "exa_wm_write.g7b"
+};
+
+static const uint32_t ps_kernel_masknoca_projective_static_gen7[][4] = {
+#include "exa_wm_src_projective.g7b"
+#include "exa_wm_src_sample_argb.g7b"
+#include "exa_wm_mask_projective.g7b"
+#include "exa_wm_mask_sample_a.g7b"
+#include "exa_wm_noca.g6b"
+#include "exa_wm_write.g7b"
+};
+
+
 typedef enum {
 	SAMPLER_STATE_FILTER_NEAREST,
 	SAMPLER_STATE_FILTER_BILINEAR,
@@ -629,6 +697,25 @@ static const struct wm_kernel_info wm_kernels_gen6[] = {
 	       ps_kernel_masknoca_projective_static_gen6, TRUE),
 };
 
+static const struct wm_kernel_info wm_kernels_gen7[] = {
+	KERNEL(WM_KERNEL_NOMASK_AFFINE,
+	       ps_kernel_nomask_affine_static_gen7, FALSE),
+	KERNEL(WM_KERNEL_NOMASK_PROJECTIVE,
+	       ps_kernel_nomask_projective_static_gen7, FALSE),
+	KERNEL(WM_KERNEL_MASKCA_AFFINE,
+	       ps_kernel_maskca_affine_static_gen7, TRUE),
+	KERNEL(WM_KERNEL_MASKCA_PROJECTIVE,
+	       ps_kernel_maskca_projective_static_gen7, TRUE),
+	KERNEL(WM_KERNEL_MASKCA_SRCALPHA_AFFINE,
+	       ps_kernel_maskca_srcalpha_affine_static_gen7, TRUE),
+	KERNEL(WM_KERNEL_MASKCA_SRCALPHA_PROJECTIVE,
+	       ps_kernel_maskca_srcalpha_projective_static_gen7, TRUE),
+	KERNEL(WM_KERNEL_MASKNOCA_AFFINE,
+	       ps_kernel_masknoca_affine_static_gen7, TRUE),
+	KERNEL(WM_KERNEL_MASKNOCA_PROJECTIVE,
+	       ps_kernel_masknoca_projective_static_gen7, TRUE),
+};
+
 #undef KERNEL
 
 typedef struct _brw_cc_unit_state_padded {
@@ -2665,6 +2752,7 @@ gen6_render_state_init(ScrnInfoPtr scrn)
 	struct gen4_render_state *render;
 	int i, j, k, l, m;
 	drm_intel_bo *border_color_bo;
+	const struct wm_kernel_info *wm_kernels;
 
 	render= intel->gen4_render_state;
 	render->composite_op.vertex_id = -1;
@@ -2675,12 +2763,13 @@ gen6_render_state_init(ScrnInfoPtr scrn)
 	intel->gen6_render_state.kernel = NULL;
 	intel->gen6_render_state.drawrect = -1;
 
+	wm_kernels = IS_GEN7(intel) ? wm_kernels_gen7 : wm_kernels_gen6;
 	for (m = 0; m < KERNEL_COUNT; m++) {
 		render->wm_kernel_bo[m] =
 			intel_bo_alloc_for_data(intel,
-					wm_kernels_gen6[m].data,
-					wm_kernels_gen6[m].size,
-					"WM kernel gen6");
+					wm_kernels[m].data,
+					wm_kernels[m].size,
+					"WM kernel gen6/7");
 	}
 
 	border_color_bo = sampler_border_color_create(intel);
diff --git a/src/render_program/exa_wm_mask_affine.g7a b/src/render_program/exa_wm_mask_affine.g7a
new file mode 100644
index 0000000..4277080
--- /dev/null
+++ b/src/render_program/exa_wm_mask_affine.g7a
@@ -0,0 +1,41 @@
+/*
+ * Copyright © 2010 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.
+ *
+ */
+
+/*
+ * Fragment to compute src u/v values
+ */
+include(`exa_wm.g4i')
+
+define(`ul',    `g72')
+define(`uh',    `g73')
+define(`vl',    `g74')
+define(`vh',    `g75')
+
+define(`bl',    `g2.0<8,8,1>F')
+define(`bh',    `g4.0<8,8,1>F')
+
+define(`a0_a_x',`g8.0<0,1,0>F')
+define(`a0_a_y',`g8.16<0,1,0>F')
+
+include(`exa_wm_affine.g6i')
diff --git a/src/render_program/exa_wm_mask_affine.g7b b/src/render_program/exa_wm_mask_affine.g7b
new file mode 100644
index 0000000..8d72599
--- /dev/null
+++ b/src/render_program/exa_wm_mask_affine.g7b
@@ -0,0 +1,4 @@
+   { 0x0060005a, 0x290077bd, 0x00000100, 0x008d0040 },
+   { 0x0060005a, 0x292077bd, 0x00000100, 0x008d0080 },
+   { 0x0060005a, 0x294077bd, 0x00000110, 0x008d0040 },
+   { 0x0060005a, 0x296077bd, 0x00000110, 0x008d0080 },
diff --git a/src/render_program/exa_wm_mask_projective.g7a b/src/render_program/exa_wm_mask_projective.g7a
new file mode 100644
index 0000000..ba4158f
--- /dev/null
+++ b/src/render_program/exa_wm_mask_projective.g7a
@@ -0,0 +1,63 @@
+/*
+ * Copyright © 2010 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.
+ *
+ */
+
+/*
+ * Fragment to compute src u/v values
+ */
+include(`exa_wm.g4i')
+
+define(`u',     `g72')
+define(`ul',    `g72')
+define(`uh',    `g73')
+define(`v',     `g74')
+define(`vl',    `g74')
+define(`vh',    `g75')
+define(`w',     `mask_w')
+define(`wl',    `mask_w_0')
+define(`wh',    `mask_w_1')
+
+define(`bl',    `g2.0<8,8,1>F')
+define(`bh',    `g4.0<8,8,1>F')
+
+define(`a0_a_x',`g8.0<0,1,0>F')
+define(`a0_a_y',`g8.16<0,1,0>F')
+define(`a0_a_z',`g9.0<0,1,0>F')
+
+/* W */
+pln (8) temp_x_0<1>F a0_a_z bl { align1 }; /* pixel 0-7 */
+pln (8) temp_x_1<1>F a0_a_z bh { align1 }; /* pixel 8-15 */
+math (8) wl<1>F temp_x_0<8,8,1>F null inv { align1 };
+math (8) wh<1>F temp_x_1<8,8,1>F null inv { align1 };
+
+/* U */
+pln (8) temp_x_0<1>F a0_a_x bl { align1 }; /* pixel 0-7 */
+pln (8) temp_x_1<1>F a0_a_x bh { align1 }; /* pixel 8-15 */
+mul (8) ul<1>F temp_x_0<8,8,1>F wl<8,8,1>F { align1 };
+mul (8) uh<1>F temp_x_1<8,8,1>F wh<8,8,1>F { align1 };
+
+/* V */
+pln (8) temp_x_0<1>F a0_a_y bl { align1 }; /* pixel 0-7 */
+pln (8) temp_x_1<1>F a0_a_y bh { align1 }; /* pixel 8-15 */
+mul (8) vl<1>F temp_x_0<8,8,1>F wl<8,8,1>F { align1 };
+mul (8) vh<1>F temp_x_1<8,8,1>F wh<8,8,1>F { align1 };
diff --git a/src/render_program/exa_wm_mask_projective.g7b b/src/render_program/exa_wm_mask_projective.g7b
new file mode 100644
index 0000000..a2e9267
--- /dev/null
+++ b/src/render_program/exa_wm_mask_projective.g7b
@@ -0,0 +1,12 @@
+   { 0x0060005a, 0x23c077bd, 0x00000120, 0x008d0040 },
+   { 0x0060005a, 0x23e077bd, 0x00000120, 0x008d0080 },
+   { 0x01600038, 0x218003bd, 0x008d03c0, 0x00000000 },
+   { 0x01600038, 0x21a003bd, 0x008d03e0, 0x00000000 },
+   { 0x0060005a, 0x23c077bd, 0x00000100, 0x008d0040 },
+   { 0x0060005a, 0x23e077bd, 0x00000100, 0x008d0080 },
+   { 0x00600041, 0x290077bd, 0x008d03c0, 0x008d0180 },
+   { 0x00600041, 0x292077bd, 0x008d03e0, 0x008d01a0 },
+   { 0x0060005a, 0x23c077bd, 0x00000110, 0x008d0040 },
+   { 0x0060005a, 0x23e077bd, 0x00000110, 0x008d0080 },
+   { 0x00600041, 0x294077bd, 0x008d03c0, 0x008d0180 },
+   { 0x00600041, 0x296077bd, 0x008d03e0, 0x008d01a0 },
diff --git a/src/render_program/exa_wm_mask_sample_a.g7a b/src/render_program/exa_wm_mask_sample_a.g7a
new file mode 100644
index 0000000..a0d38e1
--- /dev/null
+++ b/src/render_program/exa_wm_mask_sample_a.g7a
@@ -0,0 +1,49 @@
+/*
+ * Copyright © 2006 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.
+ *
+ * Authors:
+ *    Wang Zhenyu <zhenyu.z.wang@intel.com>
+ *    Keith Packard <keithp@keithp.com>
+ */
+
+/* Sample the mask surface */
+
+include(`exa_wm.g4i')
+
+/* prepare sampler read back gX register, which would be written back to output */
+
+/* use simd16 sampler, param 0 is u, param 1 is v. */
+/* 'payload' loading, assuming tex coord start from g4 */
+
+/* load only alpha */
+mov (1) g0.8<1>UD	0x00007000UD { align1 mask_disable };
+mov (8) g71<1>UD g0<8,8,1>UD { align1 }; /* copy to msg start reg*/
+
+/* g71 will be copied with g0, as it contains send desc */
+/* emit sampler 'send' cmd */
+send (16) 71		/* msg reg index */
+	mask_sample_a_01<1>UW 	/* readback */
+	null
+	sampler (2,1,F)		/* sampler message description, (binding_table,sampler_index,datatype)
+				/* here(src->dst) we should use src_sampler and src_surface */
+	mlen 5 rlen 2 { align1 };   /* required message len 5, readback len 8 */
+
diff --git a/src/render_program/exa_wm_mask_sample_a.g7b b/src/render_program/exa_wm_mask_sample_a.g7b
new file mode 100644
index 0000000..fa36a59
--- /dev/null
+++ b/src/render_program/exa_wm_mask_sample_a.g7b
@@ -0,0 +1,3 @@
+   { 0x00000201, 0x20080061, 0x00000000, 0x00007000 },
+   { 0x00600001, 0x28e00021, 0x008d0000, 0x00000000 },
+   { 0x02800031, 0x23801ca9, 0x000008e0, 0x0a2c0102 },
diff --git a/src/render_program/exa_wm_mask_sample_argb.g7a b/src/render_program/exa_wm_mask_sample_argb.g7a
new file mode 100644
index 0000000..984b622
--- /dev/null
+++ b/src/render_program/exa_wm_mask_sample_argb.g7a
@@ -0,0 +1,49 @@
+/*
+ * Copyright © 2006 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.
+ *
+ * Authors:
+ *    Wang Zhenyu <zhenyu.z.wang@intel.com>
+ *    Keith Packard <keithp@keithp.com>
+ */
+
+/* Sample the mask surface */
+
+include(`exa_wm.g4i')
+
+/* prepare sampler read back gX register, which would be written back to output */
+
+/* use simd16 sampler, param 0 is u, param 1 is v. */
+/* 'payload' loading, assuming tex coord start from g4 */
+
+/* load argb */
+mov (1) g0.8<1>UD	0x00000000UD { align1 mask_disable };
+mov (8) g71<1>UD g0<8,8,1>UD { align1 }; /* copy to msg start reg*/
+
+/* g71 will be copied with g0, as it contains send desc */
+/* emit sampler 'send' cmd */
+send (16) 71		/* msg reg index */
+	mask_sample_base<1>UW 	/* readback */
+	null
+	sampler (2,1,F)		/* sampler message description, (binding_table,sampler_index,datatype)
+				/* here(src->dst) we should use src_sampler and src_surface */
+	mlen 5 rlen 8 { align1 };   /* required message len 5, readback len 8 */
+
diff --git a/src/render_program/exa_wm_mask_sample_argb.g7b b/src/render_program/exa_wm_mask_sample_argb.g7b
new file mode 100644
index 0000000..01edf7d
--- /dev/null
+++ b/src/render_program/exa_wm_mask_sample_argb.g7b
@@ -0,0 +1,3 @@
+   { 0x00000201, 0x20080061, 0x00000000, 0x00000000 },
+   { 0x00600001, 0x28e00021, 0x008d0000, 0x00000000 },
+   { 0x02800031, 0x22c01ca9, 0x000008e0, 0x0a8c0102 },
diff --git a/src/render_program/exa_wm_src_projective.g7a b/src/render_program/exa_wm_src_projective.g7a
new file mode 100644
index 0000000..9fd495c
--- /dev/null
+++ b/src/render_program/exa_wm_src_projective.g7a
@@ -0,0 +1,63 @@
+/*
+ * Copyright © 2010 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.
+ *
+ */
+
+/*
+ * Fragment to compute src u/v values
+ */
+include(`exa_wm.g4i')
+
+define(`u',     `g66')
+define(`ul',    `g66')
+define(`uh',    `g67')
+define(`v',     `src_v')
+define(`vl',    `src_v')
+define(`vh',    `g69')
+define(`w',     `src_w')
+define(`wl',    `src_w_0')
+define(`wh',    `src_w_1')
+
+define(`bl',    `g2.0<8,8,1>F')
+define(`bh',    `g4.0<8,8,1>F')
+
+define(`a0_a_x',`g6.0<0,1,0>F')
+define(`a0_a_y',`g6.16<0,1,0>F')
+define(`a0_a_z',`g7.0<0,1,0>F')
+
+/* W */
+pln (8) temp_x_0<1>F a0_a_z bl { align1 }; /* pixel 0-7 */
+pln (8) temp_x_1<1>F a0_a_z bh { align1 }; /* pixel 8-15 */
+math (8) wl<1>F temp_x_0<8,8,1>F null inv { align1 };
+math (8) wh<1>F temp_x_1<8,8,1>F null inv { align1 };
+
+/* U */
+pln (8) temp_x_0<1>F a0_a_x bl { align1 }; /* pixel 0-7 */
+pln (8) temp_x_1<1>F a0_a_x bh { align1 }; /* pixel 8-15 */
+mul (8) ul<1>F temp_x_0<8,8,1>F wl<8,8,1>F { align1 };
+mul (8) uh<1>F temp_x_1<8,8,1>F wh<8,8,1>F { align1 };
+
+/* V */
+pln (8) temp_x_0<1>F a0_a_y bl { align1 }; /* pixel 0-7 */
+pln (8) temp_x_1<1>F a0_a_y bh { align1 }; /* pixel 8-15 */
+mul (8) vl<1>F temp_x_0<8,8,1>F wl<8,8,1>F { align1 };
+mul (8) vh<1>F temp_x_1<8,8,1>F wh<8,8,1>F { align1 };
diff --git a/src/render_program/exa_wm_src_projective.g7b b/src/render_program/exa_wm_src_projective.g7b
new file mode 100644
index 0000000..73727ff
--- /dev/null
+++ b/src/render_program/exa_wm_src_projective.g7b
@@ -0,0 +1,12 @@
+   { 0x0060005a, 0x23c077bd, 0x000000e0, 0x008d0040 },
+   { 0x0060005a, 0x23e077bd, 0x000000e0, 0x008d0080 },
+   { 0x01600038, 0x218003bd, 0x008d03c0, 0x00000000 },
+   { 0x01600038, 0x21a003bd, 0x008d03e0, 0x00000000 },
+   { 0x0060005a, 0x23c077bd, 0x000000c0, 0x008d0040 },
+   { 0x0060005a, 0x23e077bd, 0x000000c0, 0x008d0080 },
+   { 0x00600041, 0x284077bd, 0x008d03c0, 0x008d0180 },
+   { 0x00600041, 0x286077bd, 0x008d03e0, 0x008d01a0 },
+   { 0x0060005a, 0x23c077bd, 0x000000d0, 0x008d0040 },
+   { 0x0060005a, 0x23e077bd, 0x000000d0, 0x008d0080 },
+   { 0x00600041, 0x208077be, 0x008d03c0, 0x008d0180 },
+   { 0x00600041, 0x28a077bd, 0x008d03e0, 0x008d01a0 },
diff --git a/src/render_program/exa_wm_src_sample_a.g7a b/src/render_program/exa_wm_src_sample_a.g7a
new file mode 100644
index 0000000..d5d24fd
--- /dev/null
+++ b/src/render_program/exa_wm_src_sample_a.g7a
@@ -0,0 +1,48 @@
+/*
+ * Copyright © 2006 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.
+ *
+ * Authors:
+ *    Wang Zhenyu <zhenyu.z.wang@intel.com>
+ *    Keith Packard <keithp@keithp.com>
+ */
+
+/* Sample the src surface */
+
+include(`exa_wm.g4i')
+
+/* prepare sampler read back gX register, which would be written back to output */
+
+/* use simd16 sampler, param 0 is u, param 1 is v. */
+/* 'payload' loading, assuming tex coord start from g4 */
+
+/* load alpha */
+mov (1) g0.8<1>UD	0x00007000UD { align1 mask_disable };
+mov (8) g65<1>UD g0<8,8,1>UD { align1 }; /* copy to msg start reg*/
+
+/* g65 will be copied with g0, as it contains send desc */
+/* emit sampler 'send' cmd */
+send (16) 65		/* msg reg index */
+	src_sample_a_01<1>UW 	/* readback */
+	null
+	sampler (1,0,F)		/* sampler message description, (binding_table,sampler_index,datatype)
+				/* here(src->dst) we should use src_sampler and src_surface */
+	mlen 5 rlen 2 { align1 };   /* required message len 5, readback len 8 */
diff --git a/src/render_program/exa_wm_src_sample_a.g7b b/src/render_program/exa_wm_src_sample_a.g7b
new file mode 100644
index 0000000..73912b7
--- /dev/null
+++ b/src/render_program/exa_wm_src_sample_a.g7b
@@ -0,0 +1,3 @@
+   { 0x00000201, 0x20080061, 0x00000000, 0x00007000 },
+   { 0x00600001, 0x28200021, 0x008d0000, 0x00000000 },
+   { 0x02800031, 0x22801ca9, 0x00000820, 0x0a2c0001 },
-- 
1.7.4.4

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