X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fintel%2Fisl%2Fisl_format.c;h=8507cc58f9a710fc55b37946d80a3879ad10a332;hb=4e68bb620fe585b678958369932461d0fef978a3;hp=32bd70186c667b95fd45b66ba2358e8b7a5348d0;hpb=5567ae0547d5f31e51e5f32e78065894e594fd1a;p=mesa.git

diff --git a/src/intel/isl/isl_format.c b/src/intel/isl/isl_format.c
index 32bd70186c6..8507cc58f9a 100644
--- a/src/intel/isl/isl_format.c
+++ b/src/intel/isl/isl_format.c
@@ -24,33 +24,498 @@
 #include <assert.h>
 
 #include "isl.h"
+#include "brw_device_info.h"
+
+struct surface_format_info {
+   bool exists;
+   uint8_t sampling;
+   uint8_t filtering;
+   uint8_t shadow_compare;
+   uint8_t chroma_key;
+   uint8_t render_target;
+   uint8_t alpha_blend;
+   uint8_t input_vb;
+   uint8_t streamed_output_vb;
+   uint8_t color_processing;
+   uint8_t lossless_compression;
+};
+
+/* This macro allows us to write the table almost as it appears in the PRM,
+ * while restructuring it to turn it into the C code we want.
+ */
+#define SF(sampl, filt, shad, ck, rt, ab, vb, so, color, ccs_e, sf) \
+   [ISL_FORMAT_##sf] = { true, sampl, filt, shad, ck, rt, ab, vb, so, color, ccs_e},
+
+#define Y 0
+#define x 255
+/**
+ * This is the table of support for surface (texture, renderbuffer, and vertex
+ * buffer, but not depthbuffer) formats across the various hardware generations.
+ *
+ * The table is formatted to match the documentation, except that the docs have
+ * this ridiculous mapping of Y[*+~^#&] for "supported on DevWhatever".  To put
+ * it in our table, here's the mapping:
+ *
+ * Y*: 45
+ * Y+: 45 (g45/gm45)
+ * Y~: 50 (gen5)
+ * Y^: 60 (gen6)
+ * Y#: 70 (gen7)
+ *
+ * The abbreviations in the header below are:
+ * smpl  - Sampling Engine
+ * filt  - Sampling Engine Filtering
+ * shad  - Sampling Engine Shadow Map
+ * CK    - Sampling Engine Chroma Key
+ * RT    - Render Target
+ * AB    - Alpha Blend Render Target
+ * VB    - Input Vertex Buffer
+ * SO    - Steamed Output Vertex Buffers (transform feedback)
+ * color - Color Processing
+ * ccs_e - Lossless Compression Support (gen9+ only)
+ * sf    - Surface Format
+ *
+ * See page 88 of the Sandybridge PRM VOL4_Part1 PDF.
+ *
+ * As of Ivybridge, the columns are no longer in that table and the
+ * information can be found spread across:
+ *
+ * - VOL2_Part1 section 2.5.11 Format Conversion (vertex fetch).
+ * - VOL4_Part1 section 2.12.2.1.2 Sampler Output Channel Mapping.
+ * - VOL4_Part1 section 3.9.11 Render Target Write.
+ * - Render Target Surface Types [SKL+]
+ */
+static const struct surface_format_info format_info[] = {
+/* smpl filt shad CK  RT  AB  VB  SO  color ccs_e */
+   SF( Y, 50,  x,  x,  Y,  Y,  Y,  Y,  x,   90,   R32G32B32A32_FLOAT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x,   90,   R32G32B32A32_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x,   90,   R32G32B32A32_UINT)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32B32A32_UNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32B32A32_SNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R64G64_FLOAT)
+   SF( Y, 50,  x,  x,  x,  x,  x,  x,  x,    x,   R32G32B32X32_FLOAT)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32B32A32_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32B32A32_USCALED)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R32G32B32A32_SFIXED)
+   SF( x,  x,  x,  x,  x,  x,  x,  x,  x,    x,   R64G64_PASSTHRU)
+   SF( Y, 50,  x,  x,  x,  x,  Y,  Y,  x,    x,   R32G32B32_FLOAT)
+   SF( Y,  x,  x,  x,  x,  x,  Y,  Y,  x,    x,   R32G32B32_SINT)
+   SF( Y,  x,  x,  x,  x,  x,  Y,  Y,  x,    x,   R32G32B32_UINT)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32B32_UNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32B32_SNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32B32_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32B32_USCALED)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R32G32B32_SFIXED)
+   SF( Y,  Y,  x,  x,  Y, 45,  Y,  x, 60,   90,   R16G16B16A16_UNORM)
+   SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x,   90,   R16G16B16A16_SNORM)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,   90,   R16G16B16A16_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,   90,   R16G16B16A16_UINT)
+   SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x,   90,   R16G16B16A16_FLOAT)
+   SF( Y, 50,  x,  x,  Y,  Y,  Y,  Y,  x,   90,   R32G32_FLOAT)
+   SF( Y, 70,  x,  x,  Y,  Y,  Y,  Y,  x,    x,   R32G32_FLOAT_LD)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x,   90,   R32G32_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x,   90,   R32G32_UINT)
+   SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x,    x,   R32_FLOAT_X8X24_TYPELESS)
+   SF( Y,  x,  x,  x,  x,  x,  x,  x,  x,    x,   X32_TYPELESS_G8X24_UINT)
+   SF( Y, 50,  x,  x,  x,  x,  x,  x,  x,    x,   L32A32_FLOAT)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32_UNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32_SNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R64_FLOAT)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   R16G16B16X16_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,   90,   R16G16B16X16_FLOAT)
+   SF( Y, 50,  x,  x,  x,  x,  x,  x,  x,    x,   A32X32_FLOAT)
+   SF( Y, 50,  x,  x,  x,  x,  x,  x,  x,    x,   L32X32_FLOAT)
+   SF( Y, 50,  x,  x,  x,  x,  x,  x,  x,    x,   I32X32_FLOAT)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R16G16B16A16_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R16G16B16A16_USCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32G32_USCALED)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R32G32_SFIXED)
+   SF( x,  x,  x,  x,  x,  x,  x,  x,  x,    x,   R64_PASSTHRU)
+   SF( Y,  Y,  x,  Y,  Y,  Y,  Y,  x, 60,   90,   B8G8R8A8_UNORM)
+   SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x,    x,   B8G8R8A8_UNORM_SRGB)
+/* smpl filt shad CK  RT  AB  VB  SO  color ccs_e */
+   SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x, 60,    x,   R10G10B10A2_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x, 60,    x,   R10G10B10A2_UNORM_SRGB)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,    x,   R10G10B10A2_UINT)
+   SF( Y,  Y,  x,  x,  x,  x,  Y,  x,  x,    x,   R10G10B10_SNORM_A2_UNORM)
+   SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x, 60,   90,   R8G8B8A8_UNORM)
+   SF( Y,  Y,  x,  x,  Y,  Y,  x,  x, 60,    x,   R8G8B8A8_UNORM_SRGB)
+   SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x,   90,   R8G8B8A8_SNORM)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,   90,   R8G8B8A8_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,   90,   R8G8B8A8_UINT)
+   SF( Y,  Y,  x,  x,  Y, 45,  Y,  x,  x,   90,   R16G16_UNORM)
+   SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x,   90,   R16G16_SNORM)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,   90,   R16G16_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,   90,   R16G16_UINT)
+   SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x,   90,   R16G16_FLOAT)
+   SF( Y,  Y,  x,  x,  Y,  Y, 75,  x, 60,    x,   B10G10R10A2_UNORM)
+   SF( Y,  Y,  x,  x,  Y,  Y,  x,  x, 60,    x,   B10G10R10A2_UNORM_SRGB)
+   SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x,    x,   R11G11B10_FLOAT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x,   90,   R32_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x,   90,   R32_UINT)
+   SF( Y, 50,  Y,  x,  Y,  Y,  Y,  Y,  x,   90,   R32_FLOAT)
+   SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x,    x,   R24_UNORM_X8_TYPELESS)
+   SF( Y,  x,  x,  x,  x,  x,  x,  x,  x,    x,   X24_TYPELESS_G8_UINT)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   L16A16_UNORM)
+   SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x,    x,   I24X8_UNORM)
+   SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x,    x,   L24X8_UNORM)
+   SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x,    x,   A24X8_UNORM)
+   SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x,    x,   I32_FLOAT)
+   SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x,    x,   L32_FLOAT)
+   SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x,    x,   A32_FLOAT)
+   SF( Y,  Y,  x,  Y, 80, 80,  x,  x, 60,   90,   B8G8R8X8_UNORM)
+   SF( Y,  Y,  x,  x, 80, 80,  x,  x,  x,    x,   B8G8R8X8_UNORM_SRGB)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   R8G8B8X8_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   R8G8B8X8_UNORM_SRGB)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   R9G9B9E5_SHAREDEXP)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   B10G10R10X2_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   L16A16_FLOAT)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32_UNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32_SNORM)
+/* smpl filt shad CK  RT  AB  VB  SO  color ccs_e */
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R10G10B10X2_USCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R8G8B8A8_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R8G8B8A8_USCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R16G16_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R16G16_USCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R32_USCALED)
+   SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x,    x,   B5G6R5_UNORM)
+   SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x,    x,   B5G6R5_UNORM_SRGB)
+   SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x,    x,   B5G5R5A1_UNORM)
+   SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x,    x,   B5G5R5A1_UNORM_SRGB)
+   SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x,    x,   B4G4R4A4_UNORM)
+   SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x,    x,   B4G4R4A4_UNORM_SRGB)
+   SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x,    x,   R8G8_UNORM)
+   SF( Y,  Y,  x,  Y,  Y, 60,  Y,  x,  x,    x,   R8G8_SNORM)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,    x,   R8G8_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,    x,   R8G8_UINT)
+   SF( Y,  Y,  Y,  x,  Y, 45,  Y,  x, 70,    x,   R16_UNORM)
+   SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x,    x,   R16_SNORM)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,    x,   R16_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,    x,   R16_UINT)
+   SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x,    x,   R16_FLOAT)
+   SF(50, 50,  x,  x,  x,  x,  x,  x,  x,    x,   A8P8_UNORM_PALETTE0)
+   SF(50, 50,  x,  x,  x,  x,  x,  x,  x,    x,   A8P8_UNORM_PALETTE1)
+   SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x,    x,   I16_UNORM)
+   SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x,    x,   L16_UNORM)
+   SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x,    x,   A16_UNORM)
+   SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x,    x,   L8A8_UNORM)
+   SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x,    x,   I16_FLOAT)
+   SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x,    x,   L16_FLOAT)
+   SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x,    x,   A16_FLOAT)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   L8A8_UNORM_SRGB)
+   SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x,    x,   R5G5_SNORM_B6_UNORM)
+   SF( x,  x,  x,  x,  Y,  Y,  x,  x,  x,    x,   B5G5R5X1_UNORM)
+   SF( x,  x,  x,  x,  Y,  Y,  x,  x,  x,    x,   B5G5R5X1_UNORM_SRGB)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R8G8_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R8G8_USCALED)
+/* smpl filt shad CK  RT  AB  VB  SO  color ccs_e */
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R16_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R16_USCALED)
+   SF(50, 50,  x,  x,  x,  x,  x,  x,  x,    x,   P8A8_UNORM_PALETTE0)
+   SF(50, 50,  x,  x,  x,  x,  x,  x,  x,    x,   P8A8_UNORM_PALETTE1)
+   SF( x,  x,  x,  x,  x,  x,  x,  x,  x,    x,   A1B5G5R5_UNORM)
+   SF(90, 90,  x,  x, 90,  x,  x,  x,  x,    x,   A4B4G4R4_UNORM)
+   SF(90,  x,  x,  x,  x,  x,  x,  x,  x,    x,   L8A8_UINT)
+   SF(90,  x,  x,  x,  x,  x,  x,  x,  x,    x,   L8A8_SINT)
+   SF( Y,  Y,  x, 45,  Y,  Y,  Y,  x,  x,    x,   R8_UNORM)
+   SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x,    x,   R8_SNORM)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,    x,   R8_SINT)
+   SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x,    x,   R8_UINT)
+   SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x,    x,   A8_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   I8_UNORM)
+   SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x,    x,   L8_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   P4A4_UNORM_PALETTE0)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   A4P4_UNORM_PALETTE0)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R8_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R8_USCALED)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   P8_UNORM_PALETTE0)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   L8_UNORM_SRGB)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   P8_UNORM_PALETTE1)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   P4A4_UNORM_PALETTE1)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   A4P4_UNORM_PALETTE1)
+   SF( x,  x,  x,  x,  x,  x,  x,  x,  x,    x,   Y8_UNORM)
+   SF(90,  x,  x,  x,  x,  x,  x,  x,  x,    x,   L8_UINT)
+   SF(90,  x,  x,  x,  x,  x,  x,  x,  x,    x,   L8_SINT)
+   SF(90,  x,  x,  x,  x,  x,  x,  x,  x,    x,   I8_UINT)
+   SF(90,  x,  x,  x,  x,  x,  x,  x,  x,    x,   I8_SINT)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   DXT1_RGB_SRGB)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   R1_UNORM)
+   SF( Y,  Y,  x,  Y,  Y,  x,  x,  x, 60,    x,   YCRCB_NORMAL)
+   SF( Y,  Y,  x,  Y,  Y,  x,  x,  x, 60,    x,   YCRCB_SWAPUVY)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   P2_UNORM_PALETTE0)
+   SF(45, 45,  x,  x,  x,  x,  x,  x,  x,    x,   P2_UNORM_PALETTE1)
+   SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x,    x,   BC1_UNORM)
+   SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x,    x,   BC2_UNORM)
+   SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x,    x,   BC3_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   BC4_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   BC5_UNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   BC1_UNORM_SRGB)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   BC2_UNORM_SRGB)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   BC3_UNORM_SRGB)
+   SF( Y,  x,  x,  x,  x,  x,  x,  x,  x,    x,   MONO8)
+   SF( Y,  Y,  x,  x,  Y,  x,  x,  x, 60,    x,   YCRCB_SWAPUV)
+   SF( Y,  Y,  x,  x,  Y,  x,  x,  x, 60,    x,   YCRCB_SWAPY)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   DXT1_RGB)
+/* smpl filt shad CK  RT  AB  VB  SO  color ccs_e */
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   FXT1)
+   SF(75, 75,  x,  x,  x,  x,  Y,  x,  x,    x,   R8G8B8_UNORM)
+   SF(75, 75,  x,  x,  x,  x,  Y,  x,  x,    x,   R8G8B8_SNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R8G8B8_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R8G8B8_USCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R64G64B64A64_FLOAT)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R64G64B64_FLOAT)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   BC4_SNORM)
+   SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x,    x,   BC5_SNORM)
+   SF(50, 50,  x,  x,  x,  x, 60,  x,  x,    x,   R16G16B16_FLOAT)
+   SF(75, 75,  x,  x,  x,  x,  Y,  x,  x,    x,   R16G16B16_UNORM)
+   SF(75, 75,  x,  x,  x,  x,  Y,  x,  x,    x,   R16G16B16_SNORM)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R16G16B16_SSCALED)
+   SF( x,  x,  x,  x,  x,  x,  Y,  x,  x,    x,   R16G16B16_USCALED)
+   SF(70, 70,  x,  x,  x,  x,  x,  x,  x,    x,   BC6H_SF16)
+   SF(70, 70,  x,  x,  x,  x,  x,  x,  x,    x,   BC7_UNORM)
+   SF(70, 70,  x,  x,  x,  x,  x,  x,  x,    x,   BC7_UNORM_SRGB)
+   SF(70, 70,  x,  x,  x,  x,  x,  x,  x,    x,   BC6H_UF16)
+   SF( x,  x,  x,  x,  x,  x,  x,  x,  x,    x,   PLANAR_420_8)
+   SF(75, 75,  x,  x,  x,  x,  x,  x,  x,    x,   R8G8B8_UNORM_SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ETC1_RGB8)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ETC2_RGB8)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   EAC_R11)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   EAC_RG11)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   EAC_SIGNED_R11)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   EAC_SIGNED_RG11)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ETC2_SRGB8)
+   SF(90,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R16G16B16_UINT)
+   SF(90,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R16G16B16_SINT)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R32_SFIXED)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R10G10B10A2_SNORM)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R10G10B10A2_USCALED)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R10G10B10A2_SSCALED)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R10G10B10A2_SINT)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   B10G10R10A2_SNORM)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   B10G10R10A2_USCALED)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   B10G10R10A2_SSCALED)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   B10G10R10A2_UINT)
+   SF( x,  x,  x,  x,  x,  x, 75,  x,  x,    x,   B10G10R10A2_SINT)
+   SF( x,  x,  x,  x,  x,  x, 80,  x,  x,    x,   R64G64B64A64_PASSTHRU)
+   SF( x,  x,  x,  x,  x,  x, 80,  x,  x,    x,   R64G64B64_PASSTHRU)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ETC2_RGB8_PTA)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ETC2_SRGB8_PTA)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ETC2_EAC_RGBA8)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ETC2_EAC_SRGB8_A8)
+   SF(90,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R8G8B8_UINT)
+   SF(90,  x,  x,  x,  x,  x, 75,  x,  x,    x,   R8G8B8_SINT)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_4X4_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_5X4_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_5X5_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_6X5_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_6X6_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_8X5_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_8X6_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_8X8_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_10X5_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_10X6_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_10X8_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_10X10_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_12X10_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_12X12_FLT16)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_4X4_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_5X4_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_5X5_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_6X5_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_6X6_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_8X5_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_8X6_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_8X8_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_10X5_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_10X6_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_10X8_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_10X10_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_12X10_U8SRGB)
+   SF(80, 80,  x,  x,  x,  x,  x,  x,  x,    x,   ASTC_LDR_2D_12X12_U8SRGB)
+};
+#undef x
+#undef Y
+
+static unsigned
+format_gen(const struct brw_device_info *devinfo)
+{
+   return devinfo->gen * 10 + (devinfo->is_g4x || devinfo->is_haswell) * 5;
+}
 
 bool
-isl_format_has_uint_channel(enum isl_format fmt)
+isl_format_supports_rendering(const struct brw_device_info *devinfo,
+                              enum isl_format format)
+{
+   if (!format_info[format].exists)
+      return false;
+
+   return format_gen(devinfo) >= format_info[format].render_target;
+}
+
+bool
+isl_format_supports_alpha_blending(const struct brw_device_info *devinfo,
+                                   enum isl_format format)
+{
+   if (!format_info[format].exists)
+      return false;
+
+   return format_gen(devinfo) >= format_info[format].alpha_blend;
+}
+
+bool
+isl_format_supports_sampling(const struct brw_device_info *devinfo,
+                             enum isl_format format)
+{
+   if (!format_info[format].exists)
+      return false;
+
+   if (devinfo->is_baytrail) {
+      const struct isl_format_layout *fmtl = isl_format_get_layout(format);
+      /* Support for ETC1 and ETC2 exists on Bay Trail even though big-core
+       * GPUs didn't get it until Broadwell.
+       */
+      if (fmtl->txc == ISL_TXC_ETC1 || fmtl->txc == ISL_TXC_ETC2)
+         return true;
+   }
+
+   return format_gen(devinfo) >= format_info[format].sampling;
+}
+
+bool
+isl_format_supports_filtering(const struct brw_device_info *devinfo,
+                              enum isl_format format)
+{
+   if (!format_info[format].exists)
+      return false;
+
+   if (devinfo->is_baytrail) {
+      const struct isl_format_layout *fmtl = isl_format_get_layout(format);
+      /* Support for ETC1 and ETC2 exists on Bay Trail even though big-core
+       * GPUs didn't get it until Broadwell.
+       */
+      if (fmtl->txc == ISL_TXC_ETC1 || fmtl->txc == ISL_TXC_ETC2)
+         return true;
+   }
+
+   return format_gen(devinfo) >= format_info[format].filtering;
+}
+
+bool
+isl_format_supports_vertex_fetch(const struct brw_device_info *devinfo,
+                                 enum isl_format format)
+{
+   if (!format_info[format].exists)
+      return false;
+
+   /* For vertex fetch, Bay Trail supports the same set of formats as Haswell
+    * but is a superset of Ivy Bridge.
+    */
+   if (devinfo->is_baytrail)
+      return 75 >= format_info[format].input_vb;
+
+   return format_gen(devinfo) >= format_info[format].input_vb;
+}
+
+bool
+isl_format_supports_lossless_compression(const struct brw_device_info *devinfo,
+                                         enum isl_format format)
+{
+   if (!format_info[format].exists)
+      return false;
+
+   return format_gen(devinfo) >= format_info[format].lossless_compression;
+}
+
+static inline bool
+isl_format_has_channel_type(enum isl_format fmt, enum isl_base_type type)
 {
    const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
 
-   return fmtl->channels.r.type == ISL_UINT ||
-          fmtl->channels.g.type == ISL_UINT ||
-          fmtl->channels.b.type == ISL_UINT ||
-          fmtl->channels.a.type == ISL_UINT ||
-          fmtl->channels.l.type == ISL_UINT ||
-          fmtl->channels.i.type == ISL_UINT ||
-          fmtl->channels.p.type == ISL_UINT;
+   return fmtl->channels.r.type == type ||
+          fmtl->channels.g.type == type ||
+          fmtl->channels.b.type == type ||
+          fmtl->channels.a.type == type ||
+          fmtl->channels.l.type == type ||
+          fmtl->channels.i.type == type ||
+          fmtl->channels.p.type == type;
+}
+
+bool
+isl_format_has_unorm_channel(enum isl_format fmt)
+{
+   return isl_format_has_channel_type(fmt, ISL_UNORM);
+}
+
+bool
+isl_format_has_snorm_channel(enum isl_format fmt)
+{
+   return isl_format_has_channel_type(fmt, ISL_SNORM);
+}
+
+bool
+isl_format_has_ufloat_channel(enum isl_format fmt)
+{
+   return isl_format_has_channel_type(fmt, ISL_UFLOAT);
+}
+
+bool
+isl_format_has_sfloat_channel(enum isl_format fmt)
+{
+   return isl_format_has_channel_type(fmt, ISL_SFLOAT);
+}
+
+bool
+isl_format_has_uint_channel(enum isl_format fmt)
+{
+   return isl_format_has_channel_type(fmt, ISL_UINT);
 }
 
 bool
 isl_format_has_sint_channel(enum isl_format fmt)
+{
+   return isl_format_has_channel_type(fmt, ISL_SINT);
+}
+
+unsigned
+isl_format_get_num_channels(enum isl_format fmt)
 {
    const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
 
-   return fmtl->channels.r.type == ISL_SINT ||
-          fmtl->channels.g.type == ISL_SINT ||
-          fmtl->channels.b.type == ISL_SINT ||
-          fmtl->channels.a.type == ISL_SINT ||
-          fmtl->channels.l.type == ISL_SINT ||
-          fmtl->channels.i.type == ISL_SINT ||
-          fmtl->channels.p.type == ISL_SINT;
+   assert(fmtl->channels.p.bits == 0);
+
+   return (fmtl->channels.r.bits > 0) +
+          (fmtl->channels.g.bits > 0) +
+          (fmtl->channels.b.bits > 0) +
+          (fmtl->channels.a.bits > 0) +
+          (fmtl->channels.l.bits > 0) +
+          (fmtl->channels.i.bits > 0);
+}
+
+uint32_t
+isl_format_get_depth_format(enum isl_format fmt, bool has_stencil)
+{
+   switch (fmt) {
+   default:
+      unreachable("bad isl depth format");
+   case ISL_FORMAT_R32_FLOAT_X8X24_TYPELESS:
+      assert(has_stencil);
+      return 0; /* D32_FLOAT_S8X24_UINT */
+   case ISL_FORMAT_R32_FLOAT:
+      assert(!has_stencil);
+      return 1; /* D32_FLOAT */
+   case ISL_FORMAT_R24_UNORM_X8_TYPELESS:
+      if (has_stencil) {
+         return 2; /* D24_UNORM_S8_UINT */
+      } else {
+         return 3; /* D24_UNORM_X8_UINT */
+      }
+   case ISL_FORMAT_R16_UNORM:
+      assert(!has_stencil);
+      return 5; /* D16_UNORM */
+   }
 }
 
 enum isl_format