[PATCH vkd3d 5/6] vkd3d-shader/sm1: Introduce a parser for the legacy D3D byte-code format.

Henri Verbeet hverbeet at codeweavers.com
Wed Oct 6 10:11:48 CDT 2021


This is largely derived from the parser in Wine/wined3d, as of wine-6.18.

Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
 Makefile.am                              |   1 +
 include/private/vkd3d_debug.h            |   1 +
 include/vkd3d_shader.h                   |   5 +
 libs/vkd3d-common/debug.c                |  18 +-
 libs/vkd3d-shader/d3dbc.c                | 958 +++++++++++++++++++++++
 libs/vkd3d-shader/vkd3d_shader_main.c    |  50 ++
 libs/vkd3d-shader/vkd3d_shader_private.h |  12 +
 programs/vkd3d-compiler/main.c           |   4 +
 tests/vkd3d_shader_api.c                 |  89 +++
 9 files changed, 1133 insertions(+), 5 deletions(-)
 create mode 100644 libs/vkd3d-shader/d3dbc.c

diff --git a/Makefile.am b/Makefile.am
index ee3d7495..eaa4f816 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -184,6 +184,7 @@ libvkd3d_shader_la_SOURCES = \
 	include/private/vkd3d_memory.h \
 	include/vkd3d_shader.h \
 	libs/vkd3d-shader/checksum.c \
+	libs/vkd3d-shader/d3dbc.c \
 	libs/vkd3d-shader/dxbc.c \
 	libs/vkd3d-shader/glsl.c \
 	libs/vkd3d-shader/hlsl.c \
diff --git a/include/private/vkd3d_debug.h b/include/private/vkd3d_debug.h
index a206a92b..8ab653ae 100644
--- a/include/private/vkd3d_debug.h
+++ b/include/private/vkd3d_debug.h
@@ -51,6 +51,7 @@ void vkd3d_dbg_printf(enum vkd3d_dbg_level level, const char *function, const ch
 const char *vkd3d_dbg_sprintf(const char *fmt, ...) VKD3D_PRINTF_FUNC(1, 2);
 const char *vkd3d_dbg_vsprintf(const char *fmt, va_list args);
 const char *debugstr_a(const char *str);
+const char *debugstr_an(const char *str, size_t n);
 const char *debugstr_w(const WCHAR *wstr, size_t wchar_size);
 
 #define VKD3D_DBG_LOG(level) \
diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h
index 58e507b7..37b5936d 100644
--- a/include/vkd3d_shader.h
+++ b/include/vkd3d_shader.h
@@ -467,6 +467,11 @@ enum vkd3d_shader_source_type
     VKD3D_SHADER_SOURCE_DXBC_TPF,
     /** High-Level Shader Language source code. */
     VKD3D_SHADER_SOURCE_HLSL,
+    /**
+     * Legacy Direct3D byte-code. This is the format used for Direct3D shader
+     * model 1, 2, and 3 shaders.
+     */
+    VKD3D_SHADER_SOURCE_D3D_BYTECODE,
 
     VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_SOURCE_TYPE),
 };
diff --git a/libs/vkd3d-common/debug.c b/libs/vkd3d-common/debug.c
index dcf53fa9..4868f3fb 100644
--- a/libs/vkd3d-common/debug.c
+++ b/libs/vkd3d-common/debug.c
@@ -132,22 +132,25 @@ static int get_escape_char(int c)
     }
 }
 
-const char *debugstr_a(const char *str)
+const char *debugstr_an(const char *str, size_t n)
 {
     char *buffer, *ptr;
+    int escape_char;
     char c;
 
     if (!str)
         return "(null)";
+    if (n == SIZE_MAX)
+        n = strlen(str);
 
     ptr = buffer = get_buffer();
 
     *ptr++ = '"';
-    while ((c = *str++) && ptr <= buffer + VKD3D_DEBUG_BUFFER_SIZE - 8)
+    while (n-- && ptr <= buffer + VKD3D_DEBUG_BUFFER_SIZE - 8)
     {
-        int escape_char = get_escape_char(c);
+        c = *str++;
 
-        if (escape_char)
+        if ((escape_char = get_escape_char(c)))
         {
             *ptr++ = '\\';
             *ptr++ = escape_char;
@@ -167,7 +170,7 @@ const char *debugstr_a(const char *str)
     }
     *ptr++ = '"';
 
-    if (c)
+    if (++n)
     {
         *ptr++ = '.';
         *ptr++ = '.';
@@ -178,6 +181,11 @@ const char *debugstr_a(const char *str)
     return buffer;
 }
 
+const char *debugstr_a(const char *str)
+{
+    return debugstr_an(str, SIZE_MAX);
+}
+
 static const char *debugstr_w16(const uint16_t *wstr)
 {
     char *buffer, *ptr;
diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c
new file mode 100644
index 00000000..267f9609
--- /dev/null
+++ b/libs/vkd3d-shader/d3dbc.c
@@ -0,0 +1,958 @@
+/*
+ * Copyright 2002-2003 Jason Edmeades
+ * Copyright 2002-2003 Raphael Junqueira
+ * Copyright 2004 Christian Costa
+ * Copyright 2005 Oliver Stieber
+ * Copyright 2006 Ivan Gyurdiev
+ * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
+ * Copyright 2009, 2021 Henri Verbeet for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "vkd3d_shader_private.h"
+
+#define VKD3D_SM1_VS  0xfffeu
+#define VKD3D_SM1_PS  0xffffu
+
+#define VKD3D_SM1_DCL_USAGE_SHIFT              0u
+#define VKD3D_SM1_DCL_USAGE_MASK               (0xfu << VKD3D_SM1_DCL_USAGE_SHIFT)
+#define VKD3D_SM1_DCL_USAGE_INDEX_SHIFT        16u
+#define VKD3D_SM1_DCL_USAGE_INDEX_MASK         (0xfu << VKD3D_SM1_DCL_USAGE_INDEX_SHIFT)
+
+#define VKD3D_SM1_RESOURCE_TYPE_SHIFT          27u
+#define VKD3D_SM1_RESOURCE_TYPE_MASK           (0xfu << VKD3D_SM1_RESOURCE_TYPE_SHIFT)
+
+#define VKD3D_SM1_OPCODE_MASK                  0x0000ffffu
+
+#define VKD3D_SM1_INSTRUCTION_FLAGS_SHIFT      16u
+#define VKD3D_SM1_INSTRUCTION_FLAGS_MASK       (0xffu << VKD3D_SM1_INSTRUCTION_FLAGS_SHIFT)
+
+#define VKD3D_SM1_INSTRUCTION_LENGTH_SHIFT     24u
+#define VKD3D_SM1_INSTRUCTION_LENGTH_MASK      (0xfu << VKD3D_SM1_INSTRUCTION_LENGTH_SHIFT)
+
+#define VKD3D_SM1_COISSUE                      (0x1u << 30u)
+
+#define VKD3D_SM1_COMMENT_SIZE_SHIFT           16u
+#define VKD3D_SM1_COMMENT_SIZE_MASK            (0x7fffu << VKD3D_SM1_COMMENT_SIZE_SHIFT)
+
+#define VKD3D_SM1_INSTRUCTION_PREDICATED       (0x1u << 28u)
+
+#define VKD3D_SM1_INSTRUCTION_PARAMETER        (0x1u << 31u)
+
+#define VKD3D_SM1_REGISTER_NUMBER_MASK         0x000007ffu
+
+#define VKD3D_SM1_REGISTER_TYPE_SHIFT          28u
+#define VKD3D_SM1_REGISTER_TYPE_MASK           (0x7u << VKD3D_SM1_REGISTER_TYPE_SHIFT)
+#define VKD3D_SM1_REGISTER_TYPE_SHIFT2         8u
+#define VKD3D_SM1_REGISTER_TYPE_MASK2          (0x18u << VKD3D_SM1_REGISTER_TYPE_SHIFT2)
+
+#define VKD3D_SM1_ADDRESS_MODE_SHIFT           13u
+#define VKD3D_SM1_ADDRESS_MODE_MASK            (0x1u << VKD3D_SM1_ADDRESS_MODE_SHIFT)
+
+#define VKD3D_SM1_DST_MODIFIER_SHIFT           20u
+#define VKD3D_SM1_DST_MODIFIER_MASK            (0xfu << VKD3D_SM1_DST_MODIFIER_SHIFT)
+
+#define VKD3D_SM1_DSTSHIFT_SHIFT               24u
+#define VKD3D_SM1_DSTSHIFT_MASK                (0xfu << VKD3D_SM1_DSTSHIFT_SHIFT)
+
+#define VKD3D_SM1_WRITEMASK_SHIFT              16u
+#define VKD3D_SM1_WRITEMASK_MASK               (0xfu << VKD3D_SM1_WRITEMASK_SHIFT)
+
+#define VKD3D_SM1_SWIZZLE_SHIFT                16u
+#define VKD3D_SM1_SWIZZLE_MASK                 (0xffu << VKD3D_SM1_SWIZZLE_SHIFT)
+#define VKD3D_SM1_SWIZZLE_DEFAULT              (0u | (1u << 2) | (2u << 4) | (3u << 6))
+
+#define VKD3D_SM1_SWIZZLE_COMPONENT_SHIFT(idx) (2u * (idx))
+#define VKD3D_SM1_SWIZZLE_COMPONENT_MASK(idx)  (0x3u << VKD3D_SM1_SWIZZLE_COMPONENT_SHIFT(idx))
+
+#define VKD3D_SM1_SRC_MODIFIER_SHIFT           24u
+#define VKD3D_SM1_SRC_MODIFIER_MASK            (0xfu << VKD3D_SM1_SRC_MODIFIER_SHIFT)
+
+#define VKD3D_SM1_END                          0x0000ffffu
+
+#define VKD3D_SM1_VERSION_MAJOR(version)       (((version) >> 8u) & 0xffu)
+#define VKD3D_SM1_VERSION_MINOR(version)       (((version) >> 0u) & 0xffu)
+
+enum vkd3d_sm1_address_mode_type
+{
+    VKD3D_SM1_ADDRESS_MODE_ABSOLUTE = 0x0,
+    VKD3D_SM1_ADDRESS_MODE_RELATIVE = 0x1,
+};
+
+enum vkd3d_sm1_resource_type
+{
+    VKD3D_SM1_RESOURCE_UNKNOWN      = 0x0,
+    VKD3D_SM1_RESOURCE_TEXTURE_1D   = 0x1,
+    VKD3D_SM1_RESOURCE_TEXTURE_2D   = 0x2,
+    VKD3D_SM1_RESOURCE_TEXTURE_CUBE = 0x3,
+    VKD3D_SM1_RESOURCE_TEXTURE_3D   = 0x4,
+};
+
+enum vkd3d_sm1_opcode
+{
+    VKD3D_SM1_OP_NOP          = 0x00,
+    VKD3D_SM1_OP_MOV          = 0x01,
+    VKD3D_SM1_OP_ADD          = 0x02,
+    VKD3D_SM1_OP_SUB          = 0x03,
+    VKD3D_SM1_OP_MAD          = 0x04,
+    VKD3D_SM1_OP_MUL          = 0x05,
+    VKD3D_SM1_OP_RCP          = 0x06,
+    VKD3D_SM1_OP_RSQ          = 0x07,
+    VKD3D_SM1_OP_DP3          = 0x08,
+    VKD3D_SM1_OP_DP4          = 0x09,
+    VKD3D_SM1_OP_MIN          = 0x0a,
+    VKD3D_SM1_OP_MAX          = 0x0b,
+    VKD3D_SM1_OP_SLT          = 0x0c,
+    VKD3D_SM1_OP_SGE          = 0x0d,
+    VKD3D_SM1_OP_EXP          = 0x0e,
+    VKD3D_SM1_OP_LOG          = 0x0f,
+    VKD3D_SM1_OP_LIT          = 0x10,
+    VKD3D_SM1_OP_DST          = 0x11,
+    VKD3D_SM1_OP_LRP          = 0x12,
+    VKD3D_SM1_OP_FRC          = 0x13,
+    VKD3D_SM1_OP_M4x4         = 0x14,
+    VKD3D_SM1_OP_M4x3         = 0x15,
+    VKD3D_SM1_OP_M3x4         = 0x16,
+    VKD3D_SM1_OP_M3x3         = 0x17,
+    VKD3D_SM1_OP_M3x2         = 0x18,
+    VKD3D_SM1_OP_CALL         = 0x19,
+    VKD3D_SM1_OP_CALLNZ       = 0x1a,
+    VKD3D_SM1_OP_LOOP         = 0x1b,
+    VKD3D_SM1_OP_RET          = 0x1c,
+    VKD3D_SM1_OP_ENDLOOP      = 0x1d,
+    VKD3D_SM1_OP_LABEL        = 0x1e,
+    VKD3D_SM1_OP_DCL          = 0x1f,
+    VKD3D_SM1_OP_POW          = 0x20,
+    VKD3D_SM1_OP_CRS          = 0x21,
+    VKD3D_SM1_OP_SGN          = 0x22,
+    VKD3D_SM1_OP_ABS          = 0x23,
+    VKD3D_SM1_OP_NRM          = 0x24,
+    VKD3D_SM1_OP_SINCOS       = 0x25,
+    VKD3D_SM1_OP_REP          = 0x26,
+    VKD3D_SM1_OP_ENDREP       = 0x27,
+    VKD3D_SM1_OP_IF           = 0x28,
+    VKD3D_SM1_OP_IFC          = 0x29,
+    VKD3D_SM1_OP_ELSE         = 0x2a,
+    VKD3D_SM1_OP_ENDIF        = 0x2b,
+    VKD3D_SM1_OP_BREAK        = 0x2c,
+    VKD3D_SM1_OP_BREAKC       = 0x2d,
+    VKD3D_SM1_OP_MOVA         = 0x2e,
+    VKD3D_SM1_OP_DEFB         = 0x2f,
+    VKD3D_SM1_OP_DEFI         = 0x30,
+
+    VKD3D_SM1_OP_TEXCOORD     = 0x40,
+    VKD3D_SM1_OP_TEXKILL      = 0x41,
+    VKD3D_SM1_OP_TEX          = 0x42,
+    VKD3D_SM1_OP_TEXBEM       = 0x43,
+    VKD3D_SM1_OP_TEXBEML      = 0x44,
+    VKD3D_SM1_OP_TEXREG2AR    = 0x45,
+    VKD3D_SM1_OP_TEXREG2GB    = 0x46,
+    VKD3D_SM1_OP_TEXM3x2PAD   = 0x47,
+    VKD3D_SM1_OP_TEXM3x2TEX   = 0x48,
+    VKD3D_SM1_OP_TEXM3x3PAD   = 0x49,
+    VKD3D_SM1_OP_TEXM3x3TEX   = 0x4a,
+    VKD3D_SM1_OP_TEXM3x3DIFF  = 0x4b,
+    VKD3D_SM1_OP_TEXM3x3SPEC  = 0x4c,
+    VKD3D_SM1_OP_TEXM3x3VSPEC = 0x4d,
+    VKD3D_SM1_OP_EXPP         = 0x4e,
+    VKD3D_SM1_OP_LOGP         = 0x4f,
+    VKD3D_SM1_OP_CND          = 0x50,
+    VKD3D_SM1_OP_DEF          = 0x51,
+    VKD3D_SM1_OP_TEXREG2RGB   = 0x52,
+    VKD3D_SM1_OP_TEXDP3TEX    = 0x53,
+    VKD3D_SM1_OP_TEXM3x2DEPTH = 0x54,
+    VKD3D_SM1_OP_TEXDP3       = 0x55,
+    VKD3D_SM1_OP_TEXM3x3      = 0x56,
+    VKD3D_SM1_OP_TEXDEPTH     = 0x57,
+    VKD3D_SM1_OP_CMP          = 0x58,
+    VKD3D_SM1_OP_BEM          = 0x59,
+    VKD3D_SM1_OP_DP2ADD       = 0x5a,
+    VKD3D_SM1_OP_DSX          = 0x5b,
+    VKD3D_SM1_OP_DSY          = 0x5c,
+    VKD3D_SM1_OP_TEXLDD       = 0x5d,
+    VKD3D_SM1_OP_SETP         = 0x5e,
+    VKD3D_SM1_OP_TEXLDL       = 0x5f,
+    VKD3D_SM1_OP_BREAKP       = 0x60,
+
+    VKD3D_SM1_OP_PHASE        = 0xfffd,
+    VKD3D_SM1_OP_COMMENT      = 0xfffe,
+    VKD3D_SM1_OP_END          = 0Xffff,
+};
+
+struct vkd3d_sm1_opcode_info
+{
+    enum vkd3d_sm1_opcode sm1_opcode;
+    unsigned int dst_count;
+    unsigned int src_count;
+    enum vkd3d_shader_opcode vkd3d_opcode;
+    struct
+    {
+        unsigned int major, minor;
+    } min_version, max_version;
+};
+
+struct vkd3d_shader_sm1_parser
+{
+    const struct vkd3d_sm1_opcode_info *opcode_table;
+    const uint32_t *start, *end;
+    bool abort;
+
+    struct vkd3d_shader_src_param src_rel_addr[4];
+    struct vkd3d_shader_src_param pred_rel_addr;
+    struct vkd3d_shader_src_param dst_rel_addr;
+    struct vkd3d_shader_src_param src_param[4];
+    struct vkd3d_shader_src_param pred_param;
+    struct vkd3d_shader_dst_param dst_param;
+
+    struct vkd3d_shader_parser p;
+};
+
+/* This table is not order or position dependent. */
+static const struct vkd3d_sm1_opcode_info vs_opcode_table[] =
+{
+    /* Arithmetic */
+    {VKD3D_SM1_OP_NOP,          0, 0, VKD3DSIH_NOP},
+    {VKD3D_SM1_OP_MOV,          1, 1, VKD3DSIH_MOV},
+    {VKD3D_SM1_OP_MOVA,         1, 1, VKD3DSIH_MOVA,         {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ADD,          1, 2, VKD3DSIH_ADD},
+    {VKD3D_SM1_OP_SUB,          1, 2, VKD3DSIH_SUB},
+    {VKD3D_SM1_OP_MAD,          1, 3, VKD3DSIH_MAD},
+    {VKD3D_SM1_OP_MUL,          1, 2, VKD3DSIH_MUL},
+    {VKD3D_SM1_OP_RCP,          1, 1, VKD3DSIH_RCP},
+    {VKD3D_SM1_OP_RSQ,          1, 1, VKD3DSIH_RSQ},
+    {VKD3D_SM1_OP_DP3,          1, 2, VKD3DSIH_DP3},
+    {VKD3D_SM1_OP_DP4,          1, 2, VKD3DSIH_DP4},
+    {VKD3D_SM1_OP_MIN,          1, 2, VKD3DSIH_MIN},
+    {VKD3D_SM1_OP_MAX,          1, 2, VKD3DSIH_MAX},
+    {VKD3D_SM1_OP_SLT,          1, 2, VKD3DSIH_SLT},
+    {VKD3D_SM1_OP_SGE,          1, 2, VKD3DSIH_SGE},
+    {VKD3D_SM1_OP_ABS,          1, 1, VKD3DSIH_ABS},
+    {VKD3D_SM1_OP_EXP,          1, 1, VKD3DSIH_EXP},
+    {VKD3D_SM1_OP_LOG,          1, 1, VKD3DSIH_LOG},
+    {VKD3D_SM1_OP_EXPP,         1, 1, VKD3DSIH_EXPP},
+    {VKD3D_SM1_OP_LOGP,         1, 1, VKD3DSIH_LOGP},
+    {VKD3D_SM1_OP_LIT,          1, 1, VKD3DSIH_LIT},
+    {VKD3D_SM1_OP_DST,          1, 2, VKD3DSIH_DST},
+    {VKD3D_SM1_OP_LRP,          1, 3, VKD3DSIH_LRP},
+    {VKD3D_SM1_OP_FRC,          1, 1, VKD3DSIH_FRC},
+    {VKD3D_SM1_OP_POW,          1, 2, VKD3DSIH_POW},
+    {VKD3D_SM1_OP_CRS,          1, 2, VKD3DSIH_CRS},
+    {VKD3D_SM1_OP_SGN,          1, 3, VKD3DSIH_SGN,          {2, 0}, {  2,   1}},
+    {VKD3D_SM1_OP_SGN,          1, 1, VKD3DSIH_SGN,          {3, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_NRM,          1, 1, VKD3DSIH_NRM,},
+    {VKD3D_SM1_OP_SINCOS,       1, 3, VKD3DSIH_SINCOS,       {2, 0}, {  2,   1}},
+    {VKD3D_SM1_OP_SINCOS,       1, 1, VKD3DSIH_SINCOS,       {3, 0}, {~0u, ~0u}},
+    /* Matrix */
+    {VKD3D_SM1_OP_M4x4,         1, 2, VKD3DSIH_M4x4},
+    {VKD3D_SM1_OP_M4x3,         1, 2, VKD3DSIH_M4x3},
+    {VKD3D_SM1_OP_M3x4,         1, 2, VKD3DSIH_M3x4},
+    {VKD3D_SM1_OP_M3x3,         1, 2, VKD3DSIH_M3x3},
+    {VKD3D_SM1_OP_M3x2,         1, 2, VKD3DSIH_M3x2},
+    /* Declarations */
+    {VKD3D_SM1_OP_DCL,          0, 2, VKD3DSIH_DCL},
+    /* Constant definitions */
+    {VKD3D_SM1_OP_DEF,          1, 4, VKD3DSIH_DEF},
+    {VKD3D_SM1_OP_DEFB,         1, 1, VKD3DSIH_DEFB},
+    {VKD3D_SM1_OP_DEFI,         1, 4, VKD3DSIH_DEFI},
+    /* Control flow */
+    {VKD3D_SM1_OP_REP,          0, 1, VKD3DSIH_REP,          {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ENDREP,       0, 0, VKD3DSIH_ENDREP,       {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_IF,           0, 1, VKD3DSIH_IF,           {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_IFC,          0, 2, VKD3DSIH_IFC,          {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ELSE,         0, 0, VKD3DSIH_ELSE,         {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ENDIF,        0, 0, VKD3DSIH_ENDIF,        {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_BREAK,        0, 0, VKD3DSIH_BREAK,        {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_BREAKC,       0, 2, VKD3DSIH_BREAKC,       {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_BREAKP,       0, 1, VKD3DSIH_BREAKP},
+    {VKD3D_SM1_OP_CALL,         0, 1, VKD3DSIH_CALL,         {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_CALLNZ,       0, 2, VKD3DSIH_CALLNZ,       {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_LOOP,         0, 2, VKD3DSIH_LOOP,         {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_RET,          0, 0, VKD3DSIH_RET,          {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ENDLOOP,      0, 0, VKD3DSIH_ENDLOOP,      {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_LABEL,        0, 1, VKD3DSIH_LABEL,        {2, 0}, {~0u, ~0u}},
+
+    {VKD3D_SM1_OP_SETP,         1, 2, VKD3DSIH_SETP},
+    {VKD3D_SM1_OP_TEXLDL,       1, 2, VKD3DSIH_TEXLDL,       {3, 0}, {~0u, ~0u}},
+    {0,                         0, 0, VKD3DSIH_INVALID},
+};
+
+static const struct vkd3d_sm1_opcode_info ps_opcode_table[] =
+{
+    /* Arithmetic */
+    {VKD3D_SM1_OP_NOP,          0, 0, VKD3DSIH_NOP},
+    {VKD3D_SM1_OP_MOV,          1, 1, VKD3DSIH_MOV},
+    {VKD3D_SM1_OP_ADD,          1, 2, VKD3DSIH_ADD},
+    {VKD3D_SM1_OP_SUB,          1, 2, VKD3DSIH_SUB},
+    {VKD3D_SM1_OP_MAD,          1, 3, VKD3DSIH_MAD},
+    {VKD3D_SM1_OP_MUL,          1, 2, VKD3DSIH_MUL},
+    {VKD3D_SM1_OP_RCP,          1, 1, VKD3DSIH_RCP},
+    {VKD3D_SM1_OP_RSQ,          1, 1, VKD3DSIH_RSQ},
+    {VKD3D_SM1_OP_DP3,          1, 2, VKD3DSIH_DP3},
+    {VKD3D_SM1_OP_DP4,          1, 2, VKD3DSIH_DP4},
+    {VKD3D_SM1_OP_MIN,          1, 2, VKD3DSIH_MIN},
+    {VKD3D_SM1_OP_MAX,          1, 2, VKD3DSIH_MAX},
+    {VKD3D_SM1_OP_SLT,          1, 2, VKD3DSIH_SLT},
+    {VKD3D_SM1_OP_SGE,          1, 2, VKD3DSIH_SGE},
+    {VKD3D_SM1_OP_ABS,          1, 1, VKD3DSIH_ABS},
+    {VKD3D_SM1_OP_EXP,          1, 1, VKD3DSIH_EXP},
+    {VKD3D_SM1_OP_LOG,          1, 1, VKD3DSIH_LOG},
+    {VKD3D_SM1_OP_EXPP,         1, 1, VKD3DSIH_EXPP},
+    {VKD3D_SM1_OP_LOGP,         1, 1, VKD3DSIH_LOGP},
+    {VKD3D_SM1_OP_DST,          1, 2, VKD3DSIH_DST},
+    {VKD3D_SM1_OP_LRP,          1, 3, VKD3DSIH_LRP},
+    {VKD3D_SM1_OP_FRC,          1, 1, VKD3DSIH_FRC},
+    {VKD3D_SM1_OP_CND,          1, 3, VKD3DSIH_CND,          {1, 0}, {  1,   4}},
+    {VKD3D_SM1_OP_CMP,          1, 3, VKD3DSIH_CMP,          {1, 2}, {  3,   0}},
+    {VKD3D_SM1_OP_POW,          1, 2, VKD3DSIH_POW},
+    {VKD3D_SM1_OP_CRS,          1, 2, VKD3DSIH_CRS},
+    {VKD3D_SM1_OP_NRM,          1, 1, VKD3DSIH_NRM},
+    {VKD3D_SM1_OP_SINCOS,       1, 3, VKD3DSIH_SINCOS,       {2, 0}, {  2,   1}},
+    {VKD3D_SM1_OP_SINCOS,       1, 1, VKD3DSIH_SINCOS,       {3, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_DP2ADD,       1, 3, VKD3DSIH_DP2ADD,       {2, 0}, {~0u, ~0u}},
+    /* Matrix */
+    {VKD3D_SM1_OP_M4x4,         1, 2, VKD3DSIH_M4x4},
+    {VKD3D_SM1_OP_M4x3,         1, 2, VKD3DSIH_M4x3},
+    {VKD3D_SM1_OP_M3x4,         1, 2, VKD3DSIH_M3x4},
+    {VKD3D_SM1_OP_M3x3,         1, 2, VKD3DSIH_M3x3},
+    {VKD3D_SM1_OP_M3x2,         1, 2, VKD3DSIH_M3x2},
+    /* Declarations */
+    {VKD3D_SM1_OP_DCL,          0, 2, VKD3DSIH_DCL},
+    /* Constant definitions */
+    {VKD3D_SM1_OP_DEF,          1, 4, VKD3DSIH_DEF},
+    {VKD3D_SM1_OP_DEFB,         1, 1, VKD3DSIH_DEFB},
+    {VKD3D_SM1_OP_DEFI,         1, 4, VKD3DSIH_DEFI},
+    /* Control flow */
+    {VKD3D_SM1_OP_REP,          0, 1, VKD3DSIH_REP,          {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ENDREP,       0, 0, VKD3DSIH_ENDREP,       {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_IF,           0, 1, VKD3DSIH_IF,           {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_IFC,          0, 2, VKD3DSIH_IFC,          {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ELSE,         0, 0, VKD3DSIH_ELSE,         {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ENDIF,        0, 0, VKD3DSIH_ENDIF,        {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_BREAK,        0, 0, VKD3DSIH_BREAK,        {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_BREAKC,       0, 2, VKD3DSIH_BREAKC,       {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_BREAKP,       0, 1, VKD3DSIH_BREAKP},
+    {VKD3D_SM1_OP_CALL,         0, 1, VKD3DSIH_CALL,         {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_CALLNZ,       0, 2, VKD3DSIH_CALLNZ,       {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_LOOP,         0, 2, VKD3DSIH_LOOP,         {3, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_RET,          0, 0, VKD3DSIH_RET,          {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_ENDLOOP,      0, 0, VKD3DSIH_ENDLOOP,      {3, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_LABEL,        0, 1, VKD3DSIH_LABEL,        {2, 1}, {~0u, ~0u}},
+    /* Texture */
+    {VKD3D_SM1_OP_TEXCOORD,     1, 0, VKD3DSIH_TEXCOORD,     {0, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXCOORD,     1, 1, VKD3DSIH_TEXCOORD,     {1 ,4}, {  1,   4}},
+    {VKD3D_SM1_OP_TEXKILL,      1, 0, VKD3DSIH_TEXKILL,      {1 ,0}, {  3,   0}},
+    {VKD3D_SM1_OP_TEX,          1, 0, VKD3DSIH_TEX,          {0, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEX,          1, 1, VKD3DSIH_TEX,          {1, 4}, {  1,   4}},
+    {VKD3D_SM1_OP_TEX,          1, 2, VKD3DSIH_TEX,          {2, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_TEXBEM,       1, 1, VKD3DSIH_TEXBEM,       {0, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXBEML,      1, 1, VKD3DSIH_TEXBEML,      {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXREG2AR,    1, 1, VKD3DSIH_TEXREG2AR,    {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXREG2GB,    1, 1, VKD3DSIH_TEXREG2GB,    {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXREG2RGB,   1, 1, VKD3DSIH_TEXREG2RGB,   {1, 2}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXM3x2PAD,   1, 1, VKD3DSIH_TEXM3x2PAD,   {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXM3x2TEX,   1, 1, VKD3DSIH_TEXM3x2TEX,   {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXM3x3PAD,   1, 1, VKD3DSIH_TEXM3x3PAD,   {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXM3x3DIFF,  1, 1, VKD3DSIH_TEXM3x3DIFF,  {0, 0}, {  0,   0}},
+    {VKD3D_SM1_OP_TEXM3x3SPEC,  1, 2, VKD3DSIH_TEXM3x3SPEC,  {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXM3x3VSPEC, 1, 1, VKD3DSIH_TEXM3x3VSPEC, {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXM3x3TEX,   1, 1, VKD3DSIH_TEXM3x3TEX,   {1, 0}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXDP3TEX,    1, 1, VKD3DSIH_TEXDP3TEX,    {1, 2}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXM3x2DEPTH, 1, 1, VKD3DSIH_TEXM3x2DEPTH, {1, 3}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXDP3,       1, 1, VKD3DSIH_TEXDP3,       {1, 2}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXM3x3,      1, 1, VKD3DSIH_TEXM3x3,      {1, 2}, {  1,   3}},
+    {VKD3D_SM1_OP_TEXDEPTH,     1, 0, VKD3DSIH_TEXDEPTH,     {1, 4}, {  1,   4}},
+    {VKD3D_SM1_OP_BEM,          1, 2, VKD3DSIH_BEM,          {1, 4}, {  1,   4}},
+    {VKD3D_SM1_OP_DSX,          1, 1, VKD3DSIH_DSX,          {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_DSY,          1, 1, VKD3DSIH_DSY,          {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_TEXLDD,       1, 4, VKD3DSIH_TEXLDD,       {2, 1}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_SETP,         1, 2, VKD3DSIH_SETP},
+    {VKD3D_SM1_OP_TEXLDL,       1, 2, VKD3DSIH_TEXLDL,       {3, 0}, {~0u, ~0u}},
+    {VKD3D_SM1_OP_PHASE,        0, 0, VKD3DSIH_PHASE},
+    {0,                         0, 0, VKD3DSIH_INVALID},
+};
+
+static const enum vkd3d_shader_resource_type resource_type_table[] =
+{
+    /* VKD3D_SM1_RESOURCE_UNKNOWN */      VKD3D_SHADER_RESOURCE_NONE,
+    /* VKD3D_SM1_RESOURCE_TEXTURE_1D */   VKD3D_SHADER_RESOURCE_TEXTURE_1D,
+    /* VKD3D_SM1_RESOURCE_TEXTURE_2D */   VKD3D_SHADER_RESOURCE_TEXTURE_2D,
+    /* VKD3D_SM1_RESOURCE_TEXTURE_CUBE */ VKD3D_SHADER_RESOURCE_TEXTURE_CUBE,
+    /* VKD3D_SM1_RESOURCE_TEXTURE_3D */   VKD3D_SHADER_RESOURCE_TEXTURE_3D,
+};
+
+static struct vkd3d_shader_sm1_parser *vkd3d_shader_sm1_parser(struct vkd3d_shader_parser *parser)
+{
+    return CONTAINING_RECORD(parser, struct vkd3d_shader_sm1_parser, p);
+}
+
+static uint32_t read_u32(const uint32_t **ptr)
+{
+    return *(*ptr)++;
+}
+
+static bool shader_ver_ge(const struct vkd3d_shader_version *v, unsigned int major, unsigned int minor)
+{
+    return v->major > major || (v->major == major && v->minor >= minor);
+}
+
+static bool shader_ver_le(const struct vkd3d_shader_version *v, unsigned int major, unsigned int minor)
+{
+    return v->major < major || (v->major == major && v->minor <= minor);
+}
+
+static bool has_relative_address(uint32_t param)
+{
+    enum vkd3d_sm1_address_mode_type address_mode;
+
+    address_mode = (param & VKD3D_SM1_ADDRESS_MODE_MASK) >> VKD3D_SM1_ADDRESS_MODE_SHIFT;
+
+    return address_mode == VKD3D_SM1_ADDRESS_MODE_RELATIVE;
+}
+
+static const struct vkd3d_sm1_opcode_info *shader_sm1_get_opcode_info(
+        const struct vkd3d_shader_sm1_parser *sm1, enum vkd3d_sm1_opcode opcode)
+{
+    const struct vkd3d_sm1_opcode_info *info;
+    unsigned int i = 0;
+
+    for (;;)
+    {
+        info = &sm1->opcode_table[i++];
+        if (info->vkd3d_opcode == VKD3DSIH_INVALID)
+            return NULL;
+
+        if (opcode == info->sm1_opcode
+                && shader_ver_ge(&sm1->p.shader_version, info->min_version.major, info->min_version.minor)
+                && (shader_ver_le(&sm1->p.shader_version, info->max_version.major, info->max_version.minor)
+                        || !info->max_version.major))
+            return info;
+    }
+}
+
+static unsigned int shader_sm1_get_swizzle_component(uint32_t swizzle, unsigned int idx)
+{
+    return (swizzle & VKD3D_SM1_SWIZZLE_COMPONENT_MASK(idx)) >> VKD3D_SM1_SWIZZLE_COMPONENT_SHIFT(idx);
+}
+
+static uint32_t swizzle_from_sm1(uint32_t swizzle)
+{
+    return vkd3d_shader_create_swizzle(shader_sm1_get_swizzle_component(swizzle, 0),
+            shader_sm1_get_swizzle_component(swizzle, 1),
+            shader_sm1_get_swizzle_component(swizzle, 2),
+            shader_sm1_get_swizzle_component(swizzle, 3));
+}
+
+static void shader_sm1_parse_src_param(uint32_t param, const struct vkd3d_shader_src_param *rel_addr,
+        struct vkd3d_shader_src_param *src)
+{
+    src->reg.type = ((param & VKD3D_SM1_REGISTER_TYPE_MASK) >> VKD3D_SM1_REGISTER_TYPE_SHIFT)
+            | ((param & VKD3D_SM1_REGISTER_TYPE_MASK2) >> VKD3D_SM1_REGISTER_TYPE_SHIFT2);
+    src->reg.precision = VKD3D_SHADER_REGISTER_PRECISION_DEFAULT;
+    src->reg.non_uniform = false;
+    src->reg.data_type = VKD3D_DATA_FLOAT;
+    src->reg.idx[0].offset = param & VKD3D_SM1_REGISTER_NUMBER_MASK;
+    src->reg.idx[0].rel_addr = rel_addr;
+    src->reg.idx[1].offset = ~0u;
+    src->reg.idx[1].rel_addr = NULL;
+    src->reg.idx[2].offset = ~0u;
+    src->reg.idx[2].rel_addr = NULL;
+    src->swizzle = swizzle_from_sm1((param & VKD3D_SM1_SWIZZLE_MASK) >> VKD3D_SM1_SWIZZLE_SHIFT);
+    src->modifiers = (param & VKD3D_SM1_SRC_MODIFIER_MASK) >> VKD3D_SM1_SRC_MODIFIER_SHIFT;
+}
+
+static void shader_sm1_parse_dst_param(uint32_t param, const struct vkd3d_shader_src_param *rel_addr,
+        struct vkd3d_shader_dst_param *dst)
+{
+    dst->reg.type = ((param & VKD3D_SM1_REGISTER_TYPE_MASK) >> VKD3D_SM1_REGISTER_TYPE_SHIFT)
+            | ((param & VKD3D_SM1_REGISTER_TYPE_MASK2) >> VKD3D_SM1_REGISTER_TYPE_SHIFT2);
+    dst->reg.precision = VKD3D_SHADER_REGISTER_PRECISION_DEFAULT;
+    dst->reg.non_uniform = false;
+    dst->reg.data_type = VKD3D_DATA_FLOAT;
+    dst->reg.idx[0].offset = param & VKD3D_SM1_REGISTER_NUMBER_MASK;
+    dst->reg.idx[0].rel_addr = rel_addr;
+    dst->reg.idx[1].offset = ~0u;
+    dst->reg.idx[1].rel_addr = NULL;
+    dst->reg.idx[2].offset = ~0u;
+    dst->reg.idx[2].rel_addr = NULL;
+    dst->write_mask = (param & VKD3D_SM1_WRITEMASK_MASK) >> VKD3D_SM1_WRITEMASK_SHIFT;
+    dst->modifiers = (param & VKD3D_SM1_DST_MODIFIER_MASK) >> VKD3D_SM1_DST_MODIFIER_SHIFT;
+    dst->shift = (param & VKD3D_SM1_DSTSHIFT_MASK) >> VKD3D_SM1_DSTSHIFT_SHIFT;
+}
+
+/* Read a parameter token from the input stream, and possibly a relative
+ * addressing token. */
+static void shader_sm1_read_param(struct vkd3d_shader_sm1_parser *sm1,
+        const uint32_t **ptr, uint32_t *token, uint32_t *addr_token)
+{
+    if (*ptr >= sm1->end)
+    {
+        vkd3d_shader_parser_error(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_UNEXPECTED_EOF,
+                "Attempted to read a parameter token, but no more tokens are remaining.");
+        sm1->abort = true;
+        *token = 0;
+        return;
+    }
+    *token = read_u32(ptr);
+    if (!has_relative_address(*token))
+        return;
+
+    /* PS >= 3.0 have relative addressing (with token)
+     * VS >= 2.0 have relative addressing (with token)
+     * VS >= 1.0 < 2.0 have relative addressing (without token)
+     * The version check below should work in general. */
+    if (sm1->p.shader_version.major < 2)
+    {
+        *addr_token = (1u << 31)
+                | ((VKD3DSPR_ADDR << VKD3D_SM1_REGISTER_TYPE_SHIFT2) & VKD3D_SM1_REGISTER_TYPE_MASK2)
+                | ((VKD3DSPR_ADDR << VKD3D_SM1_REGISTER_TYPE_SHIFT) & VKD3D_SM1_REGISTER_TYPE_MASK)
+                | (VKD3D_SM1_SWIZZLE_DEFAULT << VKD3D_SM1_SWIZZLE_SHIFT);
+        return;
+    }
+
+    if (*ptr >= sm1->end)
+    {
+        vkd3d_shader_parser_error(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_UNEXPECTED_EOF,
+                "Attempted to read an indirect addressing token, but no more tokens are remaining.");
+        sm1->abort = true;
+        *addr_token = 0;
+        return;
+    }
+    *addr_token = read_u32(ptr);
+}
+
+/* Skip the parameter tokens for an opcode. */
+static void shader_sm1_skip_opcode(const struct vkd3d_shader_sm1_parser *sm1, const uint32_t **ptr,
+        const struct vkd3d_sm1_opcode_info *opcode_info, uint32_t opcode_token)
+{
+    unsigned int length;
+
+    /* Version 2.0+ shaders may contain address tokens, but fortunately they
+     * have a useful length mask - use it here. Version 1.x shaders contain no
+     * such tokens. */
+    if (sm1->p.shader_version.major >= 2)
+    {
+        length = (opcode_token & VKD3D_SM1_INSTRUCTION_LENGTH_MASK) >> VKD3D_SM1_INSTRUCTION_LENGTH_SHIFT;
+        *ptr += length;
+        return;
+    }
+
+    *ptr += (opcode_info->dst_count + opcode_info->src_count);
+}
+
+static void shader_sm1_destroy(struct vkd3d_shader_parser *parser)
+{
+    struct vkd3d_shader_sm1_parser *sm1 = vkd3d_shader_sm1_parser(parser);
+
+    free_shader_desc(&sm1->p.shader_desc);
+    vkd3d_free(sm1);
+}
+
+static void shader_sm1_read_src_param(struct vkd3d_shader_sm1_parser *sm1, const uint32_t **ptr,
+        struct vkd3d_shader_src_param *src_param, struct vkd3d_shader_src_param *src_rel_addr)
+{
+    uint32_t token, addr_token;
+
+    shader_sm1_read_param(sm1, ptr, &token, &addr_token);
+    if (has_relative_address(token))
+        shader_sm1_parse_src_param(addr_token, NULL, src_rel_addr);
+    else
+        src_rel_addr = NULL;
+    shader_sm1_parse_src_param(token, src_rel_addr, src_param);
+}
+
+static void shader_sm1_read_dst_param(struct vkd3d_shader_sm1_parser *sm1, const uint32_t **ptr,
+        struct vkd3d_shader_dst_param *dst_param, struct vkd3d_shader_src_param *dst_rel_addr)
+{
+    uint32_t token, addr_token;
+
+    shader_sm1_read_param(sm1, ptr, &token, &addr_token);
+    if (has_relative_address(token))
+        shader_sm1_parse_src_param(addr_token, NULL, dst_rel_addr);
+    else
+        dst_rel_addr = NULL;
+    shader_sm1_parse_dst_param(token, dst_rel_addr, dst_param);
+}
+
+static void shader_sm1_read_semantic(struct vkd3d_shader_sm1_parser *sm1,
+        const uint32_t **ptr, struct vkd3d_shader_semantic *semantic)
+{
+    enum vkd3d_sm1_resource_type resource_type;
+    struct vkd3d_shader_register_range *range;
+    uint32_t usage_token, dst_token;
+
+    if (*ptr >= sm1->end || sm1->end - *ptr < 2)
+    {
+        vkd3d_shader_parser_error(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_UNEXPECTED_EOF,
+                "Attempted to read a declaration instruction, but not enough tokens are remaining.");
+        sm1->abort = true;
+        return;
+    }
+
+    usage_token = read_u32(ptr);
+    dst_token = read_u32(ptr);
+
+    semantic->usage = (usage_token & VKD3D_SM1_DCL_USAGE_MASK) >> VKD3D_SM1_DCL_USAGE_SHIFT;
+    semantic->usage_idx = (usage_token & VKD3D_SM1_DCL_USAGE_INDEX_MASK) >> VKD3D_SM1_DCL_USAGE_INDEX_SHIFT;
+    resource_type = (usage_token & VKD3D_SM1_RESOURCE_TYPE_MASK) >> VKD3D_SM1_RESOURCE_TYPE_SHIFT;
+    if (resource_type >= ARRAY_SIZE(resource_type_table))
+    {
+        vkd3d_shader_parser_error(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_INVALID_RESOURCE_TYPE,
+                "Invalid resource type %#x.", resource_type);
+        semantic->resource_type = VKD3D_SHADER_RESOURCE_NONE;
+    }
+    else
+    {
+        semantic->resource_type = resource_type_table[resource_type];
+    }
+    semantic->resource_data_type[0] = VKD3D_DATA_FLOAT;
+    semantic->resource_data_type[1] = VKD3D_DATA_FLOAT;
+    semantic->resource_data_type[2] = VKD3D_DATA_FLOAT;
+    semantic->resource_data_type[3] = VKD3D_DATA_FLOAT;
+    shader_sm1_parse_dst_param(dst_token, NULL, &semantic->resource.reg);
+    range = &semantic->resource.range;
+    range->space = 0;
+    range->first = range->last = semantic->resource.reg.reg.idx[0].offset;
+}
+
+static void shader_sm1_read_immconst(struct vkd3d_shader_sm1_parser *sm1, const uint32_t **ptr,
+        struct vkd3d_shader_src_param *src_param, enum vkd3d_immconst_type type, enum vkd3d_data_type data_type)
+{
+    unsigned int count = type == VKD3D_IMMCONST_VEC4 ? 4 : 1;
+
+    if (*ptr >= sm1->end || sm1->end - *ptr < count)
+    {
+        vkd3d_shader_parser_error(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_UNEXPECTED_EOF,
+                "Attempted to read a constant definition, but not enough tokens are remaining. "
+                "%zu token(s) available, %u required.", sm1->end - *ptr, count);
+        sm1->abort = true;
+        return;
+    }
+
+    src_param->reg.type = VKD3DSPR_IMMCONST;
+    src_param->reg.precision = VKD3D_SHADER_REGISTER_PRECISION_DEFAULT;
+    src_param->reg.non_uniform = false;
+    src_param->reg.data_type = data_type;
+    src_param->reg.idx[0].offset = ~0u;
+    src_param->reg.idx[0].rel_addr = NULL;
+    src_param->reg.idx[1].offset = ~0u;
+    src_param->reg.idx[1].rel_addr = NULL;
+    src_param->reg.idx[2].offset = ~0u;
+    src_param->reg.idx[2].rel_addr = NULL;
+    src_param->reg.immconst_type = type;
+    memcpy(src_param->reg.u.immconst_uint, *ptr, count * sizeof(uint32_t));
+    src_param->swizzle = VKD3D_SHADER_NO_SWIZZLE;
+    src_param->modifiers = 0;
+
+    *ptr += count;
+}
+
+static void shader_sm1_read_comment(struct vkd3d_shader_sm1_parser *sm1)
+{
+    const uint32_t **ptr = &sm1->p.ptr;
+    const char *comment;
+    unsigned int size;
+    size_t remaining;
+    uint32_t token;
+
+    if (*ptr >= sm1->end)
+        return;
+
+    remaining = sm1->end - *ptr;
+
+    token = **ptr;
+    while ((token & VKD3D_SM1_OPCODE_MASK) == VKD3D_SM1_OP_COMMENT)
+    {
+        size = (token & VKD3D_SM1_COMMENT_SIZE_MASK) >> VKD3D_SM1_COMMENT_SIZE_SHIFT;
+
+        if (size > --remaining)
+        {
+            vkd3d_shader_parser_error(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_UNEXPECTED_EOF,
+                    "Encountered a %u token comment, but only %zu token(s) is/are remaining.",
+                    size, remaining);
+            return;
+        }
+
+        comment = (const char *)++(*ptr);
+        remaining -= size;
+        *ptr += size;
+
+        if (size > 1 && *(const uint32_t *)comment == TAG_TEXT)
+        {
+            const char *end = comment + size * sizeof(token);
+            const char *p = comment + sizeof(token);
+            const char *line;
+
+            TRACE("// TEXT\n");
+            for (line = p; line < end; line = p)
+            {
+                if (!(p = memchr(line, '\n', end - line)))
+                    p = end;
+                else
+                    ++p;
+                TRACE("// %s\n", debugstr_an(line, p - line));
+            }
+        }
+        else if (size)
+        {
+            TRACE("// %s\n", debugstr_an(comment, size * sizeof(token)));
+        }
+        else
+            break;
+
+        if (!remaining)
+            break;
+        token = **ptr;
+    }
+}
+
+static void shader_sm1_validate_instruction(struct vkd3d_shader_sm1_parser *sm1, struct vkd3d_shader_instruction *ins)
+{
+    if ((ins->handler_idx == VKD3DSIH_BREAKP || ins->handler_idx == VKD3DSIH_IF) && ins->flags)
+    {
+        vkd3d_shader_parser_warning(&sm1->p, VKD3D_SHADER_WARNING_D3DBC_IGNORED_INSTRUCTION_FLAGS,
+                "Ignoring unexpected instruction flags %#x.", ins->flags);
+        ins->flags = 0;
+    }
+}
+
+static void shader_sm1_read_instruction(struct vkd3d_shader_parser *parser, struct vkd3d_shader_instruction *ins)
+{
+    struct vkd3d_shader_sm1_parser *sm1 = vkd3d_shader_sm1_parser(parser);
+    const struct vkd3d_sm1_opcode_info *opcode_info;
+    const uint32_t **ptr = &parser->ptr;
+    uint32_t opcode_token;
+    const uint32_t *p;
+    unsigned int i;
+
+    shader_sm1_read_comment(sm1);
+
+    if (*ptr >= sm1->end)
+    {
+        WARN("End of byte-code, failed to read opcode.\n");
+        goto fail;
+    }
+
+    ++parser->location.line;
+    opcode_token = read_u32(ptr);
+    if (!(opcode_info = shader_sm1_get_opcode_info(sm1, opcode_token & VKD3D_SM1_OPCODE_MASK)))
+    {
+        vkd3d_shader_parser_error(parser, VKD3D_SHADER_ERROR_D3DBC_INVALID_OPCODE,
+                "Invalid opcode %#x (token 0x%08x, shader version %u.%u).",
+                opcode_token & VKD3D_SM1_OPCODE_MASK, opcode_token,
+                sm1->p.shader_version.major, sm1->p.shader_version.minor);
+        goto fail;
+    }
+
+    ins->handler_idx = opcode_info->vkd3d_opcode;
+    ins->flags = (opcode_token & VKD3D_SM1_INSTRUCTION_FLAGS_MASK) >> VKD3D_SM1_INSTRUCTION_FLAGS_SHIFT;
+    ins->coissue = opcode_token & VKD3D_SM1_COISSUE;
+    ins->raw = false;
+    ins->structured = false;
+    ins->predicate = opcode_token & VKD3D_SM1_INSTRUCTION_PREDICATED ? &sm1->pred_param : NULL;
+    ins->dst_count = opcode_info->dst_count;
+    ins->dst = &sm1->dst_param;
+    ins->src_count = opcode_info->src_count;
+    ins->src = sm1->src_param;
+    ins->resource_type = VKD3D_SHADER_RESOURCE_NONE;
+    ins->resource_stride = 0;
+    ins->resource_data_type[0] = VKD3D_DATA_FLOAT;
+    ins->resource_data_type[1] = VKD3D_DATA_FLOAT;
+    ins->resource_data_type[2] = VKD3D_DATA_FLOAT;
+    ins->resource_data_type[3] = VKD3D_DATA_FLOAT;
+    memset(&ins->texel_offset, 0, sizeof(ins->texel_offset));
+
+    p = *ptr;
+    shader_sm1_skip_opcode(sm1, ptr, opcode_info, opcode_token);
+    if (*ptr > sm1->end)
+    {
+        vkd3d_shader_parser_error(&sm1->p, VKD3D_SHADER_ERROR_D3DBC_UNEXPECTED_EOF,
+                "The current instruction ends %zu token(s) past the end of the shader.",
+                *ptr - sm1->end);
+        goto fail;
+    }
+
+    if (ins->handler_idx == VKD3DSIH_DCL)
+    {
+        shader_sm1_read_semantic(sm1, &p, &ins->declaration.semantic);
+    }
+    else if (ins->handler_idx == VKD3DSIH_DEF)
+    {
+        shader_sm1_read_dst_param(sm1, &p, &sm1->dst_param, &sm1->dst_rel_addr);
+        shader_sm1_read_immconst(sm1, &p, &sm1->src_param[0], VKD3D_IMMCONST_VEC4, VKD3D_DATA_FLOAT);
+    }
+    else if (ins->handler_idx == VKD3DSIH_DEFB)
+    {
+        shader_sm1_read_dst_param(sm1, &p, &sm1->dst_param, &sm1->dst_rel_addr);
+        shader_sm1_read_immconst(sm1, &p, &sm1->src_param[0], VKD3D_IMMCONST_SCALAR, VKD3D_DATA_UINT);
+    }
+    else if (ins->handler_idx == VKD3DSIH_DEFI)
+    {
+        shader_sm1_read_dst_param(sm1, &p, &sm1->dst_param, &sm1->dst_rel_addr);
+        shader_sm1_read_immconst(sm1, &p, &sm1->src_param[0], VKD3D_IMMCONST_VEC4, VKD3D_DATA_INT);
+    }
+    else
+    {
+        /* Destination token */
+        if (ins->dst_count)
+            shader_sm1_read_dst_param(sm1, &p, &sm1->dst_param, &sm1->dst_rel_addr);
+
+        /* Predication token */
+        if (ins->predicate)
+            shader_sm1_read_src_param(sm1, &p, &sm1->pred_param, &sm1->pred_rel_addr);
+
+        /* Other source tokens */
+        for (i = 0; i < ins->src_count; ++i)
+            shader_sm1_read_src_param(sm1, &p, &sm1->src_param[i], &sm1->src_rel_addr[i]);
+    }
+
+    if (sm1->abort)
+    {
+        sm1->abort = false;
+        goto fail;
+    }
+
+    shader_sm1_validate_instruction(sm1, ins);
+    return;
+
+fail:
+    ins->handler_idx = VKD3DSIH_INVALID;
+    *ptr = sm1->end;
+}
+
+static bool shader_sm1_is_end(struct vkd3d_shader_parser *parser)
+{
+    struct vkd3d_shader_sm1_parser *sm1 = vkd3d_shader_sm1_parser(parser);
+    const uint32_t **ptr = &parser->ptr;
+
+    shader_sm1_read_comment(sm1);
+
+    if (*ptr >= sm1->end)
+        return true;
+
+    if (**ptr == VKD3D_SM1_END)
+    {
+        ++(*ptr);
+        return true;
+    }
+
+    return false;
+}
+
+static void shader_sm1_reset(struct vkd3d_shader_parser *parser)
+{
+    struct vkd3d_shader_sm1_parser *sm1 = vkd3d_shader_sm1_parser(parser);
+
+    parser->ptr = sm1->start;
+    parser->failed = false;
+}
+
+const struct vkd3d_shader_parser_ops shader_sm1_parser_ops =
+{
+    .parser_reset = shader_sm1_reset,
+    .parser_destroy = shader_sm1_destroy,
+    .parser_read_instruction = shader_sm1_read_instruction,
+    .parser_is_end = shader_sm1_is_end,
+};
+
+static enum vkd3d_result shader_sm1_init(struct vkd3d_shader_sm1_parser *sm1,
+        const struct vkd3d_shader_compile_info *compile_info, struct vkd3d_shader_message_context *message_context)
+{
+    const struct vkd3d_shader_location location = {.source_name = compile_info->source_name};
+    const uint32_t *code = compile_info->source.code;
+    size_t code_size = compile_info->source.size;
+    struct vkd3d_shader_desc *shader_desc;
+    struct vkd3d_shader_version version;
+    uint16_t shader_type;
+    size_t token_count;
+
+    code = compile_info->source.code;
+    code_size = compile_info->source.size;
+    token_count = code_size / sizeof(*sm1->start);
+
+    if (token_count < 2)
+    {
+        vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_D3DBC_UNEXPECTED_EOF,
+                "Invalid shader size %zu (token count %zu). At least 2 tokens are required.",
+                code_size, token_count);
+        return VKD3D_ERROR_INVALID_SHADER;
+    }
+
+    TRACE("Version: 0x%08x.\n", code[0]);
+
+    shader_type = code[0] >> 16;
+    version.major = VKD3D_SM1_VERSION_MAJOR(code[0]);
+    version.minor = VKD3D_SM1_VERSION_MINOR(code[0]);
+
+    switch (shader_type)
+    {
+        case VKD3D_SM1_VS:
+            version.type = VKD3D_SHADER_TYPE_VERTEX;
+            sm1->opcode_table = vs_opcode_table;
+            break;
+
+        case VKD3D_SM1_PS:
+            version.type = VKD3D_SHADER_TYPE_PIXEL;
+            sm1->opcode_table = ps_opcode_table;
+            break;
+
+        default:
+            vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_D3DBC_INVALID_VERSION_TOKEN,
+                    "Invalid shader type %#x (token 0x%08x).", shader_type, code[0]);
+            return VKD3D_ERROR_INVALID_SHADER;
+    }
+
+    if (!shader_ver_le(&version, 3, 0))
+    {
+        vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_D3DBC_INVALID_VERSION_TOKEN,
+                "Invalid shader version %u.%u (token 0x%08x).", version.major, version.minor, code[0]);
+        return VKD3D_ERROR_INVALID_SHADER;
+    }
+
+    sm1->start = &code[1];
+    sm1->end = &code[token_count];
+
+    vkd3d_shader_parser_init(&sm1->p, message_context, compile_info->source_name, &version, &shader_sm1_parser_ops);
+    shader_desc = &sm1->p.shader_desc;
+    shader_desc->byte_code = code;
+    shader_desc->byte_code_size = code_size;
+    sm1->p.ptr = sm1->start;
+
+    return VKD3D_OK;
+}
+
+int vkd3d_shader_sm1_parser_create(const struct vkd3d_shader_compile_info *compile_info,
+        struct vkd3d_shader_message_context *message_context, struct vkd3d_shader_parser **parser)
+{
+    struct vkd3d_shader_sm1_parser *sm1;
+    int ret;
+
+    if (!(sm1 = vkd3d_calloc(1, sizeof(*sm1))))
+    {
+        ERR("Failed to allocate parser.\n");
+        return VKD3D_ERROR_OUT_OF_MEMORY;
+    }
+
+    if ((ret = shader_sm1_init(sm1, compile_info, message_context)) < 0)
+    {
+        WARN("Failed to initialise shader parser, ret %d.\n", ret);
+        vkd3d_free(sm1);
+        return ret;
+    }
+
+    *parser = &sm1->p;
+
+    return VKD3D_OK;
+}
diff --git a/libs/vkd3d-shader/vkd3d_shader_main.c b/libs/vkd3d-shader/vkd3d_shader_main.c
index 98607154..6c9301c2 100644
--- a/libs/vkd3d-shader/vkd3d_shader_main.c
+++ b/libs/vkd3d-shader/vkd3d_shader_main.c
@@ -337,6 +337,8 @@ static const char *shader_get_source_type_suffix(enum vkd3d_shader_source_type t
             return "dxbc";
         case VKD3D_SHADER_SOURCE_HLSL:
             return "hlsl";
+        case VKD3D_SHADER_SOURCE_D3D_BYTECODE:
+            return "d3dbc";
         default:
             FIXME("Unhandled source type %#x.\n", type);
             return "bin";
@@ -386,6 +388,16 @@ void VKD3D_PRINTF_FUNC(3, 4) vkd3d_shader_parser_error(struct vkd3d_shader_parse
     parser->failed = true;
 }
 
+void VKD3D_PRINTF_FUNC(3, 4) vkd3d_shader_parser_warning(struct vkd3d_shader_parser *parser,
+        enum vkd3d_shader_error error, const char *format, ...)
+{
+    va_list args;
+
+    va_start(args, format);
+    vkd3d_shader_vwarning(parser->message_context, &parser->location, error, format, args);
+    va_end(args);
+}
+
 static int vkd3d_shader_validate_compile_info(const struct vkd3d_shader_compile_info *compile_info,
         bool validate_target_type)
 {
@@ -1119,6 +1131,30 @@ static int compile_hlsl(const struct vkd3d_shader_compile_info *compile_info,
     return ret;
 }
 
+static int compile_d3d_bytecode(const struct vkd3d_shader_compile_info *compile_info,
+        struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context)
+{
+    struct vkd3d_shader_parser *parser;
+    int ret;
+
+    if ((ret = vkd3d_shader_sm1_parser_create(compile_info, message_context, &parser)) < 0)
+    {
+        WARN("Failed to initialise shader parser.\n");
+        return ret;
+    }
+
+    vkd3d_shader_dump_shader(compile_info->source_type, parser->shader_version.type, &compile_info->source);
+
+    if (compile_info->target_type == VKD3D_SHADER_TARGET_D3D_ASM)
+    {
+        ret = vkd3d_dxbc_binary_to_text(parser, compile_info, out);
+        vkd3d_shader_parser_destroy(parser);
+        return ret;
+    }
+
+    return VKD3D_ERROR;
+}
+
 int vkd3d_shader_compile(const struct vkd3d_shader_compile_info *compile_info,
         struct vkd3d_shader_code *out, char **messages)
 {
@@ -1145,6 +1181,10 @@ int vkd3d_shader_compile(const struct vkd3d_shader_compile_info *compile_info,
             ret = compile_hlsl(compile_info, out, &message_context);
             break;
 
+        case VKD3D_SHADER_SOURCE_D3D_BYTECODE:
+            ret = compile_d3d_bytecode(compile_info, out, &message_context);
+            break;
+
         default:
             assert(0);
     }
@@ -1301,6 +1341,7 @@ const enum vkd3d_shader_source_type *vkd3d_shader_get_supported_source_types(uns
     {
         VKD3D_SHADER_SOURCE_DXBC_TPF,
         VKD3D_SHADER_SOURCE_HLSL,
+        VKD3D_SHADER_SOURCE_D3D_BYTECODE,
     };
 
     TRACE("count %p.\n", count);
@@ -1327,6 +1368,11 @@ const enum vkd3d_shader_target_type *vkd3d_shader_get_supported_target_types(
         VKD3D_SHADER_TARGET_DXBC_TPF,
     };
 
+    static const enum vkd3d_shader_target_type d3dbc_types[] =
+    {
+        VKD3D_SHADER_TARGET_D3D_ASM,
+    };
+
     TRACE("source_type %#x, count %p.\n", source_type, count);
 
     switch (source_type)
@@ -1339,6 +1385,10 @@ const enum vkd3d_shader_target_type *vkd3d_shader_get_supported_target_types(
             *count = ARRAY_SIZE(hlsl_types);
             return hlsl_types;
 
+        case VKD3D_SHADER_SOURCE_D3D_BYTECODE:
+            *count = ARRAY_SIZE(d3dbc_types);
+            return d3dbc_types;
+
         default:
             *count = 0;
             return NULL;
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index da12247a..cacba300 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -117,6 +117,13 @@ enum vkd3d_shader_error
     VKD3D_SHADER_WARNING_HLSL_IMPLICIT_TRUNCATION       = 5300,
 
     VKD3D_SHADER_ERROR_GLSL_INTERNAL                    = 6000,
+
+    VKD3D_SHADER_ERROR_D3DBC_UNEXPECTED_EOF             = 7000,
+    VKD3D_SHADER_ERROR_D3DBC_INVALID_VERSION_TOKEN      = 7001,
+    VKD3D_SHADER_ERROR_D3DBC_INVALID_OPCODE             = 7002,
+    VKD3D_SHADER_ERROR_D3DBC_INVALID_RESOURCE_TYPE      = 7003,
+
+    VKD3D_SHADER_WARNING_D3DBC_IGNORED_INSTRUCTION_FLAGS= 7300,
 };
 
 enum vkd3d_shader_opcode
@@ -918,6 +925,8 @@ void vkd3d_shader_parser_error(struct vkd3d_shader_parser *parser,
 void vkd3d_shader_parser_init(struct vkd3d_shader_parser *parser,
         struct vkd3d_shader_message_context *message_context, const char *source_name,
         const struct vkd3d_shader_version *version, const struct vkd3d_shader_parser_ops *ops);
+void vkd3d_shader_parser_warning(struct vkd3d_shader_parser *parser,
+        enum vkd3d_shader_error error, const char *format, ...) VKD3D_PRINTF_FUNC(3, 4);
 
 static inline void vkd3d_shader_parser_destroy(struct vkd3d_shader_parser *parser)
 {
@@ -1029,6 +1038,8 @@ void vkd3d_shader_trace_text_(const char *text, size_t size, const char *functio
 #define vkd3d_shader_trace_text(text, size) \
         vkd3d_shader_trace_text_(text, size, __FUNCTION__)
 
+int vkd3d_shader_sm1_parser_create(const struct vkd3d_shader_compile_info *compile_info,
+        struct vkd3d_shader_message_context *message_context, struct vkd3d_shader_parser **parser);
 int vkd3d_shader_sm4_parser_create(const struct vkd3d_shader_compile_info *compile_info,
         struct vkd3d_shader_message_context *message_context, struct vkd3d_shader_parser **parser);
 
@@ -1217,6 +1228,7 @@ static inline void *vkd3d_find_struct_(const struct vkd3d_struct *chain,
 #define TAG_RTS0 MAKE_TAG('R', 'T', 'S', '0')
 #define TAG_SHDR MAKE_TAG('S', 'H', 'D', 'R')
 #define TAG_SHEX MAKE_TAG('S', 'H', 'E', 'X')
+#define TAG_TEXT MAKE_TAG('T', 'E', 'X', 'T')
 
 struct dxbc_writer_section
 {
diff --git a/programs/vkd3d-compiler/main.c b/programs/vkd3d-compiler/main.c
index ac01d59a..4d7d628c 100644
--- a/programs/vkd3d-compiler/main.c
+++ b/programs/vkd3d-compiler/main.c
@@ -65,6 +65,10 @@ source_type_info[] =
     {VKD3D_SHADER_SOURCE_HLSL,
         "hlsl",         "High Level Shader Language source code.\n",
         false},
+    {VKD3D_SHADER_SOURCE_D3D_BYTECODE,
+        "d3dbc",        "Legacy Direct3D byte-code.\n"
+        "                This is the format used for Direct3D shader model 1, 2, and 3 shaders.\n",
+        true},
 };
 
 static const struct target_type_info
diff --git a/tests/vkd3d_shader_api.c b/tests/vkd3d_shader_api.c
index d0f3f5d2..c9045b81 100644
--- a/tests/vkd3d_shader_api.c
+++ b/tests/vkd3d_shader_api.c
@@ -227,6 +227,94 @@ static void test_version(void)
     ok(minor == expected_minor, "Got unexpected minor version %u.\n", minor);
 }
 
+static void test_d3dbc(void)
+{
+    struct vkd3d_shader_compile_info info;
+    struct vkd3d_shader_code d3d_asm;
+    int rc;
+
+    static const uint32_t vs_minimal[] =
+    {
+        0xfffe0100, /* vs_1_0 */
+        0x0000ffff, /* end */
+    };
+    static const uint32_t invalid_type[] =
+    {
+        0x00010100, /* <invalid>_1_0 */
+        0x0000ffff, /* end */
+    };
+    static const uint32_t invalid_version[] =
+    {
+        0xfffe0400, /* vs_4_0 */
+        0x0000ffff, /* end */
+    };
+    static const uint32_t ps[] =
+    {
+        0xffff0101,                         /* ps_1_1      */
+        0x00000001, 0x800f0000, 0x90e40000, /* mov r0, v0 */
+        0x0000ffff,                         /* end */
+    };
+    static const char expected[] = "vs_1_0\n";
+
+    info.type = VKD3D_SHADER_STRUCTURE_TYPE_COMPILE_INFO;
+    info.next = NULL;
+    info.source.code = vs_minimal;
+    info.source.size = sizeof(vs_minimal);
+    info.source_type = VKD3D_SHADER_SOURCE_D3D_BYTECODE;
+    info.target_type = VKD3D_SHADER_TARGET_D3D_ASM;
+    info.options = NULL;
+    info.option_count = 0;
+    info.log_level = VKD3D_SHADER_LOG_NONE;
+    info.source_name = NULL;
+
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_OK, "Got unexpected error code %d.\n", rc);
+    ok(d3d_asm.size == strlen(expected), "Got unexpected size %zu.\n", d3d_asm.size);
+    ok(!memcmp(d3d_asm.code, expected, d3d_asm.size), "Got unexpected code \"%.*s\"\n",
+            (int)d3d_asm.size, (char *)d3d_asm.code);
+    vkd3d_shader_free_shader_code(&d3d_asm);
+
+    info.source.size = sizeof(vs_minimal) + 1;
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_OK, "Got unexpected error code %d.\n", rc);
+    vkd3d_shader_free_shader_code(&d3d_asm);
+
+    info.source.size = ~(size_t)0;
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_OK, "Got unexpected error code %d.\n", rc);
+    vkd3d_shader_free_shader_code(&d3d_asm);
+
+    info.source.size = sizeof(vs_minimal) - 1;
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_ERROR_INVALID_SHADER, "Got unexpected error code %d.\n", rc);
+
+    info.source.code = invalid_type;
+    info.source.size = sizeof(invalid_type);
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_ERROR_INVALID_SHADER, "Got unexpected error code %d.\n", rc);
+
+    info.source.code = invalid_version;
+    info.source.size = sizeof(invalid_version);
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_ERROR_INVALID_SHADER, "Got unexpected error code %d.\n", rc);
+
+    info.source.code = ps;
+    info.source.size = sizeof(ps);
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_OK, "Got unexpected error code %d.\n", rc);
+    vkd3d_shader_free_shader_code(&d3d_asm);
+
+    /* Truncated before the destination parameter. */
+    info.source.size = sizeof(ps) - 3 * sizeof(*ps);
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_ERROR_INVALID_SHADER, "Got unexpected error code %d.\n", rc);
+
+    /* Truncated before the source parameter. */
+    info.source.size = sizeof(ps) - 2 * sizeof(*ps);
+    rc = vkd3d_shader_compile(&info, &d3d_asm, NULL);
+    ok(rc == VKD3D_ERROR_INVALID_SHADER, "Got unexpected error code %d.\n", rc);
+}
+
 START_TEST(vkd3d_shader_api)
 {
     setlocale(LC_ALL, "");
@@ -234,4 +322,5 @@ START_TEST(vkd3d_shader_api)
     run_test(test_invalid_shaders);
     run_test(test_vkd3d_shader_pfns);
     run_test(test_version);
+    run_test(test_d3dbc);
 }
-- 
2.20.1




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