X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fformats.c;h=cd9eb81852fbae6526e6cf7cf115dd5357c8e75f;hb=772b25e1f366edc857e77b8c1ccdc5297d82cc41;hp=329b795074570f4a5060ba69b1528d3e38c815aa;hpb=2d0c2952566810ef1b277b49b064f4874a973112;p=mesa.git

diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 329b7950745..cd9eb81852f 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -26,8 +26,7 @@
 
 #include "imports.h"
 #include "formats.h"
-#include "config.h"
-#include "texstore.h"
+#include "mfeatures.h"
 
 
 /**
@@ -49,7 +48,7 @@ struct gl_format_info
 
    /**
     * Logical data type: one of  GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
-    * GL_UNSIGNED_INT, GL_SIGNED_INT, GL_FLOAT.
+    * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
     */
    GLenum DataType;
 
@@ -321,6 +320,60 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,               /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 2                      /* BlockWidth/Height,Bytes */
    },
+   {
+      MESA_FORMAT_R8,
+      "MESA_FORMAT_R8",
+      GL_RED,
+      GL_UNSIGNED_NORMALIZED,
+      8, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 1
+   },
+   {
+      MESA_FORMAT_RG88,
+      "MESA_FORMAT_RG88",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_RG88_REV,
+      "MESA_FORMAT_RG88_REV",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      8, 8, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_R16,
+      "MESA_FORMAT_R16",
+      GL_RED,
+      GL_UNSIGNED_NORMALIZED,
+      16, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_RG1616,
+      "MESA_FORMAT_RG1616",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      16, 16, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_RG1616_REV,
+      "MESA_FORMAT_RG1616_REV",
+      GL_RG,
+      GL_UNSIGNED_NORMALIZED,
+      16, 16, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
    {
       MESA_FORMAT_Z24_S8,          /* Name */
       "MESA_FORMAT_Z24_S8",        /* StrName */
@@ -629,6 +682,66 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 16, 0, 0, 0,
       1, 1, 2
    },
+
+   /* unnormalized signed int formats */
+   {
+      MESA_FORMAT_RGBA_INT8,
+      "MESA_FORMAT_RGBA_INT8",
+      GL_RGBA,
+      GL_INT,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_RGBA_INT16,
+      "MESA_FORMAT_RGBA_INT16",
+      GL_RGBA,
+      GL_INT,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGBA_INT32,
+      "MESA_FORMAT_RGBA_INT32",
+      GL_RGBA,
+      GL_INT,
+      32, 32, 32, 32,
+      0, 0, 0, 0, 0,
+      1, 1, 16
+   },
+
+   /* unnormalized unsigned int formats */
+   {
+      MESA_FORMAT_RGBA_UINT8,
+      "MESA_FORMAT_RGBA_UINT8",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      8, 8, 8, 8,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_RGBA_UINT16,
+      "MESA_FORMAT_RGBA_UINT16",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGBA_UINT32,
+      "MESA_FORMAT_RGBA_UINT32",
+      GL_RGBA,
+      GL_UNSIGNED_INT,
+      32, 32, 32, 32,
+      0, 0, 0, 0, 0,
+      1, 1, 16
+   },
+
+
    {
       MESA_FORMAT_DUDV8,
       "MESA_FORMAT_DUDV8",
@@ -638,6 +751,35 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,
       1, 1, 2
    },
+
+   /* Signed 8 bits / channel */
+   {
+      MESA_FORMAT_SIGNED_R8,        /* Name */
+      "MESA_FORMAT_SIGNED_R8",      /* StrName */
+      GL_RGBA,                      /* BaseFormat */
+      GL_SIGNED_NORMALIZED,         /* DataType */
+      8, 0, 0, 0,                   /* Red/Green/Blue/AlphaBits */
+      0, 0, 0, 0, 0,                /* Lum/Int/Index/Depth/StencilBits */
+      1, 1, 1                       /* BlockWidth/Height,Bytes */
+   },
+   {
+      MESA_FORMAT_SIGNED_RG88,
+      "MESA_FORMAT_SIGNED_RG88",
+      GL_RGBA,
+      GL_SIGNED_NORMALIZED,
+      8, 8, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBX8888,
+      "MESA_FORMAT_SIGNED_RGBX8888",
+      GL_RGBA,
+      GL_SIGNED_NORMALIZED,
+      8, 8, 8, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 4                       /* 4 bpp, but no alpha */
+   },
    {
       MESA_FORMAT_SIGNED_RGBA8888,
       "MESA_FORMAT_SIGNED_RGBA8888",
@@ -656,6 +798,35 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       0, 0, 0, 0, 0,
       1, 1, 4
    },
+
+   /* Signed 16 bits / channel */
+   {
+      MESA_FORMAT_SIGNED_R_16,
+      "MESA_FORMAT_SIGNED_R_16",
+      GL_RGBA,
+      GL_SIGNED_NORMALIZED,
+      16, 0, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 2
+   },
+   {
+      MESA_FORMAT_SIGNED_RG_16,
+      "MESA_FORMAT_SIGNED_RG_16",
+      GL_RGBA,
+      GL_SIGNED_NORMALIZED,
+      16, 16, 0, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 4
+   },
+   {
+      MESA_FORMAT_SIGNED_RGB_16,
+      "MESA_FORMAT_SIGNED_RGB_16",
+      GL_RGBA,
+      GL_SIGNED_NORMALIZED,
+      16, 16, 16, 0,
+      0, 0, 0, 0, 0,
+      1, 1, 6
+   },
    {
       MESA_FORMAT_SIGNED_RGBA_16,
       "MESA_FORMAT_SIGNED_RGBA_16",
@@ -664,6 +835,15 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       16, 16, 16, 16,
       0, 0, 0, 0, 0,
       1, 1, 8
+   },
+   {
+      MESA_FORMAT_RGBA_16,
+      "MESA_FORMAT_RGBA_16",
+      GL_RGBA,
+      GL_UNSIGNED_NORMALIZED,
+      16, 16, 16, 16,
+      0, 0, 0, 0, 0,
+      1, 1, 8
    }
 };
 
@@ -765,6 +945,7 @@ _mesa_get_format_bits(gl_format format, GLenum pname)
  *    GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
  *    GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
  *    GL_UNSIGNED_INT = an ordinary unsigned integer
+ *    GL_INT = an ordinary signed integer
  *    GL_FLOAT = an ordinary float
  */
 GLenum
@@ -814,6 +995,32 @@ _mesa_is_format_compressed(gl_format format)
 }
 
 
+/**
+ * Determine if the given format represents a packed depth/stencil buffer.
+ */
+GLboolean
+_mesa_is_format_packed_depth_stencil(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+
+   return info->BaseFormat == GL_DEPTH_STENCIL;
+}
+
+
+/**
+ * Is the given format a signed/unsigned integer color format?
+ */
+GLboolean
+_mesa_is_format_integer_color(gl_format format)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
+      info->BaseFormat != GL_DEPTH_COMPONENT &&
+      info->BaseFormat != GL_DEPTH_STENCIL &&
+      info->BaseFormat != GL_STENCIL_INDEX;
+}
+
+
 /**
  * Return color encoding for given format.
  * \return GL_LINEAR or GL_SRGB
@@ -850,11 +1057,12 @@ _mesa_format_image_size(gl_format format, GLsizei width,
    const struct gl_format_info *info = _mesa_get_format_info(format);
    /* Strictly speaking, a conditional isn't needed here */
    if (info->BlockWidth > 1 || info->BlockHeight > 1) {
-      /* compressed format */
+      /* compressed format (2D only for now) */
       const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
       const GLuint wblocks = (width + bw - 1) / bw;
       const GLuint hblocks = (height + bh - 1) / bh;
       const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
+      assert(depth == 1);
       return sz;
    }
    else {
@@ -865,6 +1073,36 @@ _mesa_format_image_size(gl_format format, GLsizei width,
 }
 
 
+/**
+ * Same as _mesa_format_image_size() but returns a 64-bit value to
+ * accomodate very large textures.
+ */
+uint64_t
+_mesa_format_image_size64(gl_format format, GLsizei width,
+                          GLsizei height, GLsizei depth)
+{
+   const struct gl_format_info *info = _mesa_get_format_info(format);
+   /* Strictly speaking, a conditional isn't needed here */
+   if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+      /* compressed format (2D only for now) */
+      const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
+      const uint64_t wblocks = (width + bw - 1) / bw;
+      const uint64_t hblocks = (height + bh - 1) / bh;
+      const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
+      assert(depth == 1);
+      return sz;
+   }
+   else {
+      /* non-compressed */
+      const uint64_t sz = ((uint64_t) width *
+                           (uint64_t) height *
+                           (uint64_t) depth *
+                           info->BytesPerBlock);
+      return sz;
+   }
+}
+
+
 
 GLint
 _mesa_format_row_stride(gl_format format, GLsizei width)
@@ -910,6 +1148,7 @@ _mesa_test_formats(void)
             GLuint t = info->RedBits + info->GreenBits
                + info->BlueBits + info->AlphaBits;
             assert(t / 8 == info->BytesPerBlock);
+            (void) t;
          }
       }
 
@@ -934,6 +1173,22 @@ _mesa_test_formats(void)
          assert(info->LuminanceBits == 0);
          assert(info->IntensityBits == 0);
       }
+      else if (info->BaseFormat == GL_RG) {
+         assert(info->RedBits > 0);
+         assert(info->GreenBits > 0);
+         assert(info->BlueBits == 0);
+         assert(info->AlphaBits == 0);
+         assert(info->LuminanceBits == 0);
+         assert(info->IntensityBits == 0);
+      }
+      else if (info->BaseFormat == GL_RED) {
+         assert(info->RedBits > 0);
+         assert(info->GreenBits == 0);
+         assert(info->BlueBits == 0);
+         assert(info->AlphaBits == 0);
+         assert(info->LuminanceBits == 0);
+         assert(info->IntensityBits == 0);
+      }
       else if (info->BaseFormat == GL_LUMINANCE) {
          assert(info->RedBits == 0);
          assert(info->GreenBits == 0);
@@ -970,6 +1225,7 @@ _mesa_format_to_type_and_comps(gl_format format,
    case MESA_FORMAT_ARGB8888:
    case MESA_FORMAT_ARGB8888_REV:
    case MESA_FORMAT_XRGB8888:
+   case MESA_FORMAT_XRGB8888_REV:
       *datatype = GL_UNSIGNED_BYTE;
       *comps = 4;
       return;
@@ -996,18 +1252,32 @@ _mesa_format_to_type_and_comps(gl_format format,
       *comps = 4;
       return;
 
+   case MESA_FORMAT_RGBA5551:
+      *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
+      *comps = 4;
+      return;
+
    case MESA_FORMAT_AL88:
    case MESA_FORMAT_AL88_REV:
+   case MESA_FORMAT_RG88:
+   case MESA_FORMAT_RG88_REV:
       *datatype = GL_UNSIGNED_BYTE;
       *comps = 2;
       return;
 
    case MESA_FORMAT_AL1616:
    case MESA_FORMAT_AL1616_REV:
+   case MESA_FORMAT_RG1616:
+   case MESA_FORMAT_RG1616_REV:
       *datatype = GL_UNSIGNED_SHORT;
       *comps = 2;
       return;
 
+   case MESA_FORMAT_R16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 1;
+      return;
+
    case MESA_FORMAT_RGB332:
       *datatype = GL_UNSIGNED_BYTE_3_3_2;
       *comps = 3;
@@ -1017,6 +1287,8 @@ _mesa_format_to_type_and_comps(gl_format format,
    case MESA_FORMAT_L8:
    case MESA_FORMAT_I8:
    case MESA_FORMAT_CI8:
+   case MESA_FORMAT_R8:
+   case MESA_FORMAT_S8:
       *datatype = GL_UNSIGNED_BYTE;
       *comps = 1;
       return;
@@ -1062,11 +1334,38 @@ _mesa_format_to_type_and_comps(gl_format format,
       *comps = 2;
       return;
 
+   case MESA_FORMAT_SIGNED_R8:
+      *datatype = GL_BYTE;
+      *comps = 1;
+      return;
+   case MESA_FORMAT_SIGNED_RG88:
+      *datatype = GL_BYTE;
+      *comps = 2;
+      return;
    case MESA_FORMAT_SIGNED_RGBA8888:
    case MESA_FORMAT_SIGNED_RGBA8888_REV:
+   case MESA_FORMAT_SIGNED_RGBX8888:
       *datatype = GL_BYTE;
       *comps = 4;
       return;
+
+   case MESA_FORMAT_RGBA_16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_SIGNED_R_16:
+      *datatype = GL_SHORT;
+      *comps = 1;
+      return;
+   case MESA_FORMAT_SIGNED_RG_16:
+      *datatype = GL_SHORT;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_SIGNED_RGB_16:
+      *datatype = GL_SHORT;
+      *comps = 3;
+      return;
    case MESA_FORMAT_SIGNED_RGBA_16:
       *datatype = GL_SHORT;
       *comps = 4;
@@ -1106,12 +1405,12 @@ _mesa_format_to_type_and_comps(gl_format format,
    case MESA_FORMAT_SRGBA_DXT1:
    case MESA_FORMAT_SRGBA_DXT3:
    case MESA_FORMAT_SRGBA_DXT5:
+#endif
 #endif
       /* XXX generate error instead? */
       *datatype = GL_UNSIGNED_BYTE;
       *comps = 0;
       return;
-#endif
 
    case MESA_FORMAT_RGBA_FLOAT32:
       *datatype = GL_FLOAT;
@@ -1150,8 +1449,43 @@ _mesa_format_to_type_and_comps(gl_format format,
       *comps = 1;
       return;
 
+   case MESA_FORMAT_RGBA_INT8:
+      *datatype = GL_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_INT16:
+      *datatype = GL_SHORT;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_INT32:
+      *datatype = GL_INT;
+      *comps = 4;
+      return;
+
+   /**
+    * \name Non-normalized unsigned integer formats.
+    */
+   case MESA_FORMAT_RGBA_UINT8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_UINT16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_UINT32:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_NONE:
+   case MESA_FORMAT_COUNT:
+   /* For debug builds, warn if any formats are not handled */
+#ifndef DEBUG
    default:
-      _mesa_problem(NULL, "bad format in _mesa_format_to_type_and_comps");
+#endif
+      _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
+                    _mesa_get_format_name(format));
       *datatype = 0;
       *comps = 1;
    }