[Mesa-dev] [PATCH 10/14] mesa/main: Maintain compressed fog mode.

[Marek Olšák]

On Thu, Mar 30, 2017 at 8:09 PM, Gustaw Smolarczyk <wielkiegie at gmail.com> wrote:
> Signed-off-by: Gustaw Smolarczyk <wielkiegie at gmail.com>
> ---
>  src/mesa/main/enable.c |  1 +
>  src/mesa/main/fog.c    |  9 +++++++++
>  src/mesa/main/mtypes.h | 14 ++++++++++++++
>  3 files changed, 24 insertions(+)
>
> diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
> index d9d63a6b4b..ef278a318a 100644
> --- a/src/mesa/main/enable.c
> +++ b/src/mesa/main/enable.c
> @@ -385,6 +385,7 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
>              return;
>           FLUSH_VERTICES(ctx, _NEW_FOG);
>           ctx->Fog.Enabled = state;
> +         ctx->Fog._PackedEnabledMode = state ? ctx->Fog._PackedMode : FOG_NONE;
>           break;
>        case GL_LIGHT0:
>        case GL_LIGHT1:
> diff --git a/src/mesa/main/fog.c b/src/mesa/main/fog.c
> index 1ad939cfde..76e65080b7 100644
> --- a/src/mesa/main/fog.c
> +++ b/src/mesa/main/fog.c
> @@ -102,8 +102,13 @@ _mesa_Fogfv( GLenum pname, const GLfloat *params )
>           m = (GLenum) (GLint) *params;
>          switch (m) {
>          case GL_LINEAR:
> +           ctx->Fog._PackedMode = FOG_LINEAR;
> +           break;
>          case GL_EXP:
> +           ctx->Fog._PackedMode = FOG_EXP;
> +           break;
>          case GL_EXP2:
> +           ctx->Fog._PackedMode = FOG_EXP2;

Perhaps these should be set before FLUSH_VERTICES?

Marek