Mesa (master): mesa: add additional texture size/limit assertions

[Brian Paul]

Module: Mesa
Branch: master
Commit: 6559107c7ae67ae6a94f53728cad85137aaf6312
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6559107c7ae67ae6a94f53728cad85137aaf6312

Author: Brian Paul <brianp at vmware.com>
Date:   Fri Feb 13 07:44:02 2009 -0700

mesa: add additional texture size/limit assertions

---

 src/mesa/main/context.c |   18 +++++++++++++-----
 1 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 19ff5e5..9705fd8 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -864,6 +864,9 @@ _mesa_init_constants(GLcontext *ctx)
    assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS);
    assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS);
 
+   /* Max texture size should be <= max viewport size (render to texture) */
+   assert((1 << (MAX_TEXTURE_LEVELS - 1)) <= MAX_WIDTH);
+
    /* Constants, may be overriden (usually only reduced) by device drivers */
    ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
    ctx->Const.Max3DTextureLevels = MAX_3D_TEXTURE_LEVELS;
@@ -960,13 +963,18 @@ check_context_limits(GLcontext *ctx)
    /* number of coord units cannot be greater than number of image units */
    assert(ctx->Const.MaxTextureCoordUnits <= ctx->Const.MaxTextureImageUnits);
 
-   assert(ctx->Const.MaxViewportWidth <= MAX_WIDTH);
-   assert(ctx->Const.MaxViewportHeight <= MAX_WIDTH);
+   assert(ctx->Const.MaxTextureLevels <= MAX_TEXTURE_LEVELS);
+   assert(ctx->Const.Max3DTextureLevels <= MAX_3D_TEXTURE_LEVELS);
+   assert(ctx->Const.MaxCubeTextureLevels <= MAX_CUBE_TEXTURE_LEVELS);
+   assert(ctx->Const.MaxTextureRectSize <= MAX_TEXTURE_RECT_SIZE);
 
    /* make sure largest texture image is <= MAX_WIDTH in size */
-   assert((1 << (ctx->Const.MaxTextureLevels -1 )) <= MAX_WIDTH);
-   assert((1 << (ctx->Const.MaxCubeTextureLevels -1 )) <= MAX_WIDTH);
-   assert((1 << (ctx->Const.Max3DTextureLevels -1 )) <= MAX_WIDTH);
+   assert((1 << (ctx->Const.MaxTextureLevels - 1)) <= MAX_WIDTH);
+   assert((1 << (ctx->Const.MaxCubeTextureLevels - 1)) <= MAX_WIDTH);
+   assert((1 << (ctx->Const.Max3DTextureLevels - 1)) <= MAX_WIDTH);
+
+   assert(ctx->Const.MaxViewportWidth <= MAX_WIDTH);
+   assert(ctx->Const.MaxViewportHeight <= MAX_WIDTH);
 
    assert(ctx->Const.MaxDrawBuffers <= MAX_DRAW_BUFFERS);