mesa: Implement KHR_debug ObjectLabel functions

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

diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index cf9a3014cde3fce5e69c9f7d2565afc1e4c4d1e3..757ae80ec8defb87cf299b0c4ec854cdec0dc5d4 100644 (file)
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -386,7 +386,13 @@ set_tex_parameteri(struct gl_context *ctx,
          return GL_FALSE;
       }
       incomplete(ctx, texObj);
-      texObj->BaseLevel = params[0];
+
+      /** See note about ARB_texture_storage below */
+      if (texObj->Immutable)
+         texObj->BaseLevel = MIN2(texObj->ImmutableLevels - 1, params[0]);
+      else
+         texObj->BaseLevel = params[0];
+
       return GL_TRUE;
 
    case GL_TEXTURE_MAX_LEVEL:
@@ -399,7 +405,19 @@ set_tex_parameteri(struct gl_context *ctx,
          return GL_FALSE;
       }
       incomplete(ctx, texObj);
-      texObj->MaxLevel = params[0];
+
+      /** From ARB_texture_storage:
+       * However, if TEXTURE_IMMUTABLE_FORMAT is TRUE, then level_base is
+       * clamped to the range [0, <levels> - 1] and level_max is then clamped to
+       * the range [level_base, <levels> - 1], where <levels> is the parameter
+       * passed the call to TexStorage* for the texture object.
+       */
+      if (texObj->Immutable)
+          texObj->MaxLevel = CLAMP(params[0], texObj->BaseLevel,
+                                   texObj->ImmutableLevels - 1);
+      else
+         texObj->MaxLevel = params[0];
+
       return GL_TRUE;
 
    case GL_GENERATE_MIPMAP_SGIS:
@@ -1048,6 +1066,8 @@ legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target)
       return ctx->API == API_OPENGL_CORE && ctx->Version >= 31;
    case GL_TEXTURE_2D_MULTISAMPLE:
    case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+   case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
       return ctx->Extensions.ARB_texture_multisample;
    default:
       return GL_FALSE;
@@ -1547,7 +1567,7 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
       case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
          if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
             goto invalid_pname;
-         *params = obj->RequiredTextureImageUnits;
+         *params = (GLfloat) obj->RequiredTextureImageUnits;
          break;
 
       case GL_TEXTURE_SRGB_DECODE_EXT: