mesa/es: Fix GL_OES_texture_cube_map support.

Unlike in OpenGL, GL_OES_texture_cube_map says that all coordinates are
changed the same time by the token GL_TEXTURE_GEN_STR_OES, and the
initial mode is GL_REFLECTION_MAP_OES.

Signed-off-by: Chia-I Wu <[email protected]>

1 files changed, 15 insertions, 1 deletions

diff --git a/src/mesa/es/main/specials_es1.c b/src/mesa/es/main/specials_es1.c
index 0ace2924b37..a4f14490f31 100644
--- a/src/mesa/es/main/specials_es1.c
+++ b/src/mesa/es/main/specials_es1.c
@@ -195,5 +195,19 @@ _es_GetString(GLenum name)
 void
 _mesa_initialize_context_extra(GLcontext *ctx)
 {
-   /* nothing here */
+   GLuint i;
+
+   /**
+    * GL_OES_texture_cube_map says
+    * "Initially all texture generation modes are set to REFLECTION_MAP_OES"
+    */
+   for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
+      struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+      texUnit->GenS.Mode = GL_REFLECTION_MAP_NV;
+      texUnit->GenT.Mode = GL_REFLECTION_MAP_NV;
+      texUnit->GenR.Mode = GL_REFLECTION_MAP_NV;
+      texUnit->GenS._ModeBit = TEXGEN_REFLECTION_MAP_NV;
+      texUnit->GenT._ModeBit = TEXGEN_REFLECTION_MAP_NV;
+      texUnit->GenR._ModeBit = TEXGEN_REFLECTION_MAP_NV;
+   }
 }