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path: root/mesalib/src/mesa/state_tracker/st_cb_texture.c
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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_texture.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index f82346bc6..c58a9df56 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -75,6 +75,7 @@ gl_target_to_pipe(GLenum target)
case GL_TEXTURE_1D:
return PIPE_TEXTURE_1D;
case GL_TEXTURE_2D:
+ case GL_TEXTURE_EXTERNAL_OES:
return PIPE_TEXTURE_2D;
case GL_TEXTURE_RECTANGLE_NV:
return PIPE_TEXTURE_RECT;
@@ -310,6 +311,7 @@ get_texture_dims(GLenum target)
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
case GL_TEXTURE_RECTANGLE_NV:
case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_TEXTURE_EXTERNAL_OES:
return 2;
case GL_TEXTURE_3D:
return 3;
@@ -1842,6 +1844,66 @@ st_get_default_texture(struct st_context *st)
}
+/**
+ * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
+ * for a whole mipmap stack.
+ */
+static GLboolean
+st_AllocTextureStorage(struct gl_context *ctx,
+ struct gl_texture_object *texObj,
+ GLsizei levels, GLsizei width,
+ GLsizei height, GLsizei depth)
+{
+ const GLuint numFaces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
+ struct st_context *st = st_context(ctx);
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings;
+ enum pipe_format fmt;
+ GLint level;
+
+ assert(levels > 0);
+
+ /* Save the level=0 dimensions */
+ stObj->width0 = width;
+ stObj->height0 = height;
+ stObj->depth0 = depth;
+ stObj->lastLevel = levels - 1;
+
+ fmt = st_mesa_format_to_pipe_format(texObj->Image[0][0]->TexFormat);
+
+ bindings = default_bindings(st, fmt);
+
+ st_gl_texture_dims_to_pipe_dims(texObj->Target,
+ width, height, depth,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+
+ stObj->pt = st_texture_create(st,
+ gl_target_to_pipe(texObj->Target),
+ fmt,
+ levels,
+ ptWidth,
+ ptHeight,
+ ptDepth,
+ ptLayers,
+ bindings);
+ if (!stObj->pt)
+ return GL_FALSE;
+
+ /* Set image resource pointers */
+ for (level = 0; level < levels; level++) {
+ GLuint face;
+ for (face = 0; face < numFaces; face++) {
+ struct st_texture_image *stImage =
+ st_texture_image(texObj->Image[face][level]);
+ pipe_resource_reference(&stImage->pt, stObj->pt);
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+
void
st_init_texture_functions(struct dd_function_table *functions)
{
@@ -1879,4 +1941,6 @@ st_init_texture_functions(struct dd_function_table *functions)
/* XXX Temporary until we can query pipe's texture sizes */
functions->TestProxyTexImage = _mesa_test_proxy_teximage;
+
+ functions->AllocTextureStorage = st_AllocTextureStorage;
}