mesa: make texture BorderColor a union of float/int/uint

When we have integer-valued texture formats, the texture border color
must also store integer and uint values.

With GL 3.0, the new glTexParameterIiv() and glTexParameterIuiv() functions
can set the border color to int or uint values.

1 files changed, 19 insertions, 19 deletions

diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index 0bb988e3ef..76b65cc755 100644
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -747,28 +747,28 @@ get_border_color(const struct gl_texture_object *tObj,
 {
    switch (img->_BaseFormat) {
    case GL_RGB:
-      rgba[0] = tObj->BorderColor[0];
-      rgba[1] = tObj->BorderColor[1];
-      rgba[2] = tObj->BorderColor[2];
+      rgba[0] = tObj->BorderColor.f[0];
+      rgba[1] = tObj->BorderColor.f[1];
+      rgba[2] = tObj->BorderColor.f[2];
       rgba[3] = 1.0F;
       break;
    case GL_ALPHA:
       rgba[0] = rgba[1] = rgba[2] = 0.0;
-      rgba[3] = tObj->BorderColor[3];
+      rgba[3] = tObj->BorderColor.f[3];
       break;
    case GL_LUMINANCE:
-      rgba[0] = rgba[1] = rgba[2] = tObj->BorderColor[0];
+      rgba[0] = rgba[1] = rgba[2] = tObj->BorderColor.f[0];
       rgba[3] = 1.0;
       break;
    case GL_LUMINANCE_ALPHA:
-      rgba[0] = rgba[1] = rgba[2] = tObj->BorderColor[0];
-      rgba[3] = tObj->BorderColor[3];
+      rgba[0] = rgba[1] = rgba[2] = tObj->BorderColor.f[0];
+      rgba[3] = tObj->BorderColor.f[3];
       break;
    case GL_INTENSITY:
-      rgba[0] = rgba[1] = rgba[2] = rgba[3] = tObj->BorderColor[0];
+      rgba[0] = rgba[1] = rgba[2] = rgba[3] = tObj->BorderColor.f[0];
       break;
    default:
-      COPY_4V(rgba, tObj->BorderColor);
+      COPY_4V(rgba, tObj->BorderColor.f);
    }
 }
 
@@ -2331,7 +2331,7 @@ sample_2d_array_linear(GLcontext *ctx,
    array = clamp_rect_coord_nearest(tObj->WrapR, texcoord[2], depth);
 
    if (array < 0 || array >= depth) {
-      COPY_4V(rgba, tObj->BorderColor);
+      COPY_4V(rgba, tObj->BorderColor.f);
    }
    else {
       if (img->Border) {
@@ -3002,7 +3002,7 @@ sample_depth_texture( GLcontext *ctx,
             img->FetchTexelf(img, col, row, slice, &depthSample);
          }
          else {
-            depthSample = tObj->BorderColor[0];
+            depthSample = tObj->BorderColor.f[0];
          }
 
          result = shadow_compare(function, texcoords[i][compare_coord],
@@ -3053,21 +3053,21 @@ sample_depth_texture( GLcontext *ctx,
          }
 
          if (slice < 0 || slice >= (GLint) depth) {
-            depth00 = tObj->BorderColor[0];
-            depth01 = tObj->BorderColor[0];
-            depth10 = tObj->BorderColor[0];
-            depth11 = tObj->BorderColor[0];
+            depth00 = tObj->BorderColor.f[0];
+            depth01 = tObj->BorderColor.f[0];
+            depth10 = tObj->BorderColor.f[0];
+            depth11 = tObj->BorderColor.f[0];
          }
          else {
             /* get four depth samples from the texture */
             if (useBorderTexel & (I0BIT | J0BIT)) {
-               depth00 = tObj->BorderColor[0];
+               depth00 = tObj->BorderColor.f[0];
             }
             else {
                img->FetchTexelf(img, i0, j0, slice, &depth00);
             }
             if (useBorderTexel & (I1BIT | J0BIT)) {
-               depth10 = tObj->BorderColor[0];
+               depth10 = tObj->BorderColor.f[0];
             }
             else {
                img->FetchTexelf(img, i1, j0, slice, &depth10);
@@ -3075,13 +3075,13 @@ sample_depth_texture( GLcontext *ctx,
 
             if (tObj->Target != GL_TEXTURE_1D_ARRAY_EXT) {
                if (useBorderTexel & (I0BIT | J1BIT)) {
-                  depth01 = tObj->BorderColor[0];
+                  depth01 = tObj->BorderColor.f[0];
                }
                else {
                   img->FetchTexelf(img, i0, j1, slice, &depth01);
                }
                if (useBorderTexel & (I1BIT | J1BIT)) {
-                  depth11 = tObj->BorderColor[0];
+                  depth11 = tObj->BorderColor.f[0];
                }
                else {
                   img->FetchTexelf(img, i1, j1, slice, &depth11);