mesa: document sRGBDecode field
[mesa.git] / src / mesa / main / texfetch.c
index 6a650d1d1430d4a8da4da4c39d785fa03480b9ae..8aa1e4970d5feb88c8e49b512adad55b557f73dc 100644 (file)
@@ -39,6 +39,7 @@
 #include "texcompress_fxt1.h"
 #include "texcompress_s3tc.h"
 #include "texfetch.h"
+#include "teximage.h"
 
 
 /**
@@ -299,6 +300,13 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_l8,
       store_texel_l8
    },
+   {
+      MESA_FORMAT_L16,
+      fetch_texel_1d_f_l16,
+      fetch_texel_2d_f_l16,
+      fetch_texel_3d_f_l16,
+      store_texel_l16
+   },
    {
       MESA_FORMAT_I8,
       fetch_texel_1d_f_i8,
@@ -306,6 +314,13 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_i8,
       store_texel_i8
    },
+   {
+      MESA_FORMAT_I16,
+      fetch_texel_1d_f_i16,
+      fetch_texel_2d_f_i16,
+      fetch_texel_3d_f_i16,
+      store_texel_i16
+   },
    {
       MESA_FORMAT_CI8,
       fetch_texel_1d_f_ci8,
@@ -745,7 +760,7 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
 };
 
 
-static FetchTexelFuncF
+FetchTexelFuncF
 _mesa_get_texel_fetch_func(gl_format format, GLuint dims)
 {
 #ifdef DEBUG
@@ -843,13 +858,36 @@ fetch_texel_chan_to_float(const struct gl_texture_image *texImage,
 void
 _mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims)
 {
+   gl_format format = texImage->TexFormat;
+
    ASSERT(dims == 1 || dims == 2 || dims == 3);
 
-   texImage->FetchTexelf =
-      _mesa_get_texel_fetch_func(texImage->TexFormat, dims);
+   if (texImage->TexObject->sRGBDecode == GL_SKIP_DECODE_EXT &&
+       _mesa_get_format_color_encoding(format) == GL_SRGB) {
+      format = _mesa_get_srgb_format_linear(format);
+   }
+
+   texImage->FetchTexelf = _mesa_get_texel_fetch_func(format, dims);
 
    texImage->FetchTexelc = fetch_texel_float_to_chan;
 
    ASSERT(texImage->FetchTexelc);
    ASSERT(texImage->FetchTexelf);
 }
+
+void
+_mesa_update_fetch_functions(struct gl_texture_object *texObj)
+{
+   GLuint face, i;
+   GLuint dims;
+
+   dims = _mesa_get_texture_dimensions(texObj->Target);
+
+   for (face = 0; face < 6; face++) {
+      for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+         if (texObj->Image[face][i]) {
+           _mesa_set_fetch_functions(texObj->Image[face][i], dims);
+         }
+      }
+   }
+}