Mesa (master): i965: Add various plumbing for cubemap arrays

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 0cda3382a6a150d42877711f14964b44fe8c6db5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0cda3382a6a150d42877711f14964b44fe8c6db5

Author: Chris Forbes <chrisf at ijw.co.nz>
Date:   Thu Nov 22 17:55:08 2012 +1300

i965: Add various plumbing for cubemap arrays

V4: Fixed style nits

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
Reviewed-by: Eric Anholt <eric at anholt.net>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_tex_layout.c        |    4 ++++
 src/mesa/drivers/dri/i965/brw_wm_sampler_state.c  |    3 ++-
 src/mesa/drivers/dri/i965/brw_wm_surface_state.c  |    1 +
 src/mesa/drivers/dri/i965/gen7_sampler_state.c    |    3 ++-
 src/mesa/drivers/dri/i965/gen7_wm_surface_state.c |    3 ++-
 5 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c
index 1a2bedb..b661570 100644
--- a/src/mesa/drivers/dri/i965/brw_tex_layout.c
+++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c
@@ -70,6 +70,10 @@ void
 brw_miptree_layout(struct intel_context *intel, struct intel_mipmap_tree *mt)
 {
    switch (mt->target) {
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+      brw_miptree_layout_texture_array(intel, mt);
+      break;
+
    case GL_TEXTURE_CUBE_MAP:
       if (intel->gen >= 5) {
 	 /* On Ironlake, cube maps are finally represented as just a series of
diff --git a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
index fb9cb83..0d1f249 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c
@@ -248,7 +248,8 @@ static void brw_update_sampler_state(struct brw_context *brw,
    /* Cube-maps on 965 and later must use the same wrap mode for all 3
     * coordinate dimensions.  Futher, only CUBE and CLAMP are valid.
     */
-   if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
+   if (texObj->Target == GL_TEXTURE_CUBE_MAP ||
+       texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
       if (ctx->Texture.CubeMapSeamless &&
 	  (gl_sampler->MinFilter != GL_NEAREST ||
 	   gl_sampler->MagFilter != GL_NEAREST)) {
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 298678a..94c01cb 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -65,6 +65,7 @@ translate_tex_target(GLenum target)
       return BRW_SURFACE_3D;
 
    case GL_TEXTURE_CUBE_MAP: 
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
       return BRW_SURFACE_CUBE;
 
    default: 
diff --git a/src/mesa/drivers/dri/i965/gen7_sampler_state.c b/src/mesa/drivers/dri/i965/gen7_sampler_state.c
index ea634a9..6f0a757 100644
--- a/src/mesa/drivers/dri/i965/gen7_sampler_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_sampler_state.c
@@ -111,7 +111,8 @@ gen7_update_sampler_state(struct brw_context *brw, int unit, int ss_index,
    /* Cube-maps on 965 and later must use the same wrap mode for all 3
     * coordinate dimensions.  Futher, only CUBE and CLAMP are valid.
     */
-   if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
+   if (texObj->Target == GL_TEXTURE_CUBE_MAP ||
+       texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
       if (ctx->Texture.CubeMapSeamless &&
 	  (gl_sampler->MinFilter != GL_NEAREST ||
 	   gl_sampler->MagFilter != GL_NEAREST)) {
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
index 466a038..1e5af95 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -328,7 +328,8 @@ gen7_update_texture_surface(struct gl_context *ctx,
                                                    firstImage->InternalFormat,
                                                    tObj->DepthMode,
                                                    sampler->sRGBDecode);
-   if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
+   if (tObj->Target == GL_TEXTURE_CUBE_MAP ||
+       tObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
       surf->ss0.cube_pos_x = 1;
       surf->ss0.cube_pos_y = 1;
       surf->ss0.cube_pos_z = 1;