mesa: document sRGBDecode field

[mesa.git] / src / mesa / main / texfetch.c

diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 24d29137b0cadc571718d088693cae1f92f7c29c..8aa1e4970d5feb88c8e49b512adad55b557f73dc 100644 (file)
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -34,11 +34,12 @@
 
 
 #include "colormac.h"
-#include "context.h"
+#include "macros.h"
 #include "texcompress.h"
 #include "texcompress_fxt1.h"
 #include "texcompress_s3tc.h"
 #include "texfetch.h"
+#include "teximage.h"
 
 
 /**
@@ -236,6 +237,13 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_argb1555_rev,
       store_texel_argb1555_rev
    },
+   {
+      MESA_FORMAT_AL44,
+      fetch_texel_1d_f_al44,
+      fetch_texel_2d_f_al44,
+      fetch_texel_3d_f_al44,
+      store_texel_al44
+   },
    {
       MESA_FORMAT_AL88,
       fetch_texel_1d_f_al88,
@@ -278,6 +286,13 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_a8,
       store_texel_a8
    },
+   {
+      MESA_FORMAT_A16,
+      fetch_texel_1d_f_a16,
+      fetch_texel_2d_f_a16,
+      fetch_texel_3d_f_a16,
+      store_texel_a16
+   },
    {
       MESA_FORMAT_L8,
       fetch_texel_1d_f_l8,
@@ -285,6 +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,
@@ -292,6 +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,
@@ -313,6 +342,55 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_ycbcr_rev,
       store_texel_ycbcr_rev
    },
+   {
+      MESA_FORMAT_R8,
+      fetch_texel_1d_f_r8,
+      fetch_texel_2d_f_r8,
+      fetch_texel_3d_f_r8,
+      store_texel_r8,
+   },
+   {
+      MESA_FORMAT_RG88,
+      fetch_texel_1d_f_rg88,
+      fetch_texel_2d_f_rg88,
+      fetch_texel_3d_f_rg88,
+      store_texel_rg88,
+   },
+   {
+      MESA_FORMAT_RG88_REV,
+      fetch_texel_1d_f_rg88_rev,
+      fetch_texel_2d_f_rg88_rev,
+      fetch_texel_3d_f_rg88_rev,
+      store_texel_rg88_rev,
+   },
+   {
+      MESA_FORMAT_R16,
+      fetch_texel_1d_f_r16,
+      fetch_texel_2d_f_r16,
+      fetch_texel_3d_f_r16,
+      store_texel_r16,
+   },
+   {
+      MESA_FORMAT_RG1616,
+      fetch_texel_1d_f_rg1616,
+      fetch_texel_2d_f_rg1616,
+      fetch_texel_3d_f_rg1616,
+      store_texel_rg1616,
+   },
+   {
+      MESA_FORMAT_RG1616_REV,
+      fetch_texel_1d_f_rg1616_rev,
+      fetch_texel_2d_f_rg1616_rev,
+      fetch_texel_3d_f_rg1616_rev,
+      store_texel_rg1616_rev,
+   },
+   {
+      MESA_FORMAT_ARGB2101010,
+      fetch_texel_1d_f_argb2101010,
+      fetch_texel_2d_f_argb2101010,
+      fetch_texel_3d_f_argb2101010,
+      store_texel_argb2101010
+   },
    {
       MESA_FORMAT_Z24_S8,
       fetch_texel_1d_f_z24_s8,
@@ -552,6 +630,54 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_f_intensity_f16,
       store_texel_intensity_f16
    },
+
+   /* non-normalized, signed int */
+   {
+      MESA_FORMAT_RGBA_INT8,
+      fetch_texel_1d_rgba_int8,
+      fetch_texel_2d_rgba_int8,
+      fetch_texel_3d_rgba_int8,
+      store_texel_rgba_int8
+   },
+   {
+      MESA_FORMAT_RGBA_INT16,
+      fetch_texel_1d_rgba_int16,
+      fetch_texel_2d_rgba_int16,
+      fetch_texel_3d_rgba_int16,
+      store_texel_rgba_int16
+   },
+   {
+      MESA_FORMAT_RGBA_INT32,
+      fetch_texel_1d_rgba_int32,
+      fetch_texel_2d_rgba_int32,
+      fetch_texel_3d_rgba_int32,
+      store_texel_rgba_int32
+   },
+
+   /* non-normalized, unsigned int */
+   {
+      MESA_FORMAT_RGBA_UINT8,
+      fetch_texel_1d_rgba_uint8,
+      fetch_texel_2d_rgba_uint8,
+      fetch_texel_3d_rgba_uint8,
+      store_texel_rgba_uint8
+   },
+   {
+      MESA_FORMAT_RGBA_UINT16,
+      fetch_texel_1d_rgba_uint16,
+      fetch_texel_2d_rgba_uint16,
+      fetch_texel_3d_rgba_uint16,
+      store_texel_rgba_uint16
+   },
+   {
+      MESA_FORMAT_RGBA_UINT32,
+      fetch_texel_1d_rgba_uint32,
+      fetch_texel_2d_rgba_uint32,
+      fetch_texel_3d_rgba_uint32,
+      store_texel_rgba_uint32
+   },
+
+   /* dudv */
    {
       MESA_FORMAT_DUDV8,
       fetch_texel_1d_dudv8,
@@ -559,6 +685,8 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
       fetch_texel_3d_dudv8,
       NULL
    },
+
+   /* signed, normalized */
    {
       MESA_FORMAT_SIGNED_R8,
       fetch_texel_1d_signed_r8,
@@ -632,7 +760,7 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
 };
 
 
-static FetchTexelFuncF
+FetchTexelFuncF
 _mesa_get_texel_fetch_func(gl_format format, GLuint dims)
 {
 #ifdef DEBUG
@@ -730,19 +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);
-   ASSERT(texImage->TexFormat);
 
-   if (!texImage->FetchTexelf) {
-      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);
    }
 
-   /* now check if we need to use a float/chan adaptor */
-   if (!texImage->FetchTexelc) {
-      texImage->FetchTexelc = fetch_texel_float_to_chan;
-   }
+   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);
+         }
+      }
+   }
+}