static void wined3d_shader_resource_view_create_texture_view(struct wined3d_shader_resource_view *view,
const struct wined3d_shader_resource_view_desc *desc, struct wined3d_texture *texture,
const struct wined3d_format *view_format)
{
const struct wined3d_gl_info *gl_info;
struct wined3d_context *context;
struct gl_texture *gl_texture;
context = context_acquire(texture->resource.device, NULL);
gl_info = context->gl_info;
if (!gl_info->supported[ARB_TEXTURE_VIEW])
{
context_release(context);
FIXME("OpenGL implementation does not support texture views.\n");
return;
}
wined3d_texture_prepare_texture(texture, context, FALSE);
gl_texture = wined3d_texture_get_gl_texture(texture, FALSE);
gl_info->gl_ops.gl.p_glGenTextures(1, &view->object);
GL_EXTCALL(glTextureView(view->object, view->target, gl_texture->name, view_format->glInternal,
desc->u.texture.level_idx, desc->u.texture.level_count,
desc->u.texture.layer_idx, desc->u.texture.layer_count));
checkGLcall("Create texture view");
context_release(context);
}
static void create_texture_view(struct wined3d_gl_view *view, GLenum view_target,
const struct wined3d_view_desc *desc, struct wined3d_texture *texture,
const struct wined3d_format *view_format)
{
const struct wined3d_gl_info *gl_info;
unsigned int layer_idx, layer_count;
struct wined3d_context *context;
GLuint texture_name;
view->target = view_target;
context = context_acquire(texture->resource.device, NULL, 0);
gl_info = context->gl_info;
if (!gl_info->supported[ARB_TEXTURE_VIEW])
{
context_release(context);
FIXME("OpenGL implementation does not support texture views.\n");
return;
}
wined3d_texture_prepare_texture(texture, context, FALSE);
texture_name = wined3d_texture_get_texture_name(texture, context, FALSE);
layer_idx = desc->u.texture.layer_idx;
layer_count = desc->u.texture.layer_count;
if (view_target == GL_TEXTURE_3D && (layer_idx || layer_count != 1))
{
FIXME("Depth slice (%u-%u) not supported.\n", layer_idx, layer_count);
layer_idx = 0;
layer_count = 1;
}
gl_info->gl_ops.gl.p_glGenTextures(1, &view->name);
GL_EXTCALL(glTextureView(view->name, view->target, texture_name, view_format->glInternal,
desc->u.texture.level_idx, desc->u.texture.level_count,
layer_idx, layer_count));
checkGLcall("Create texture view");
if (is_stencil_view_format(view_format))
{
static const GLint swizzle[] = {GL_ZERO, GL_RED, GL_ZERO, GL_ZERO};
if (!gl_info->supported[ARB_STENCIL_TEXTURING])
{
context_release(context);
FIXME("OpenGL implementation does not support stencil texturing.\n");
return;
}
context_bind_texture(context, view->target, view->name);
gl_info->gl_ops.gl.p_glTexParameteriv(view->target, GL_TEXTURE_SWIZZLE_RGBA, swizzle);
gl_info->gl_ops.gl.p_glTexParameteri(view->target, GL_DEPTH_STENCIL_TEXTURE_MODE, GL_STENCIL_INDEX);
checkGLcall("Initialize stencil view");
context_invalidate_compute_state(context, STATE_COMPUTE_SHADER_RESOURCE_BINDING);
context_invalidate_state(context, STATE_GRAPHICS_SHADER_RESOURCE_BINDING);
}
context_release(context);
}
/* Context activation is done by the caller. */
void wined3d_volume_load(struct wined3d_volume *volume, struct wined3d_context *context, BOOL srgb_mode)
{
wined3d_texture_prepare_texture(volume->container, context, srgb_mode);
wined3d_volume_load_location(volume, context,
srgb_mode ? WINED3D_LOCATION_TEXTURE_SRGB : WINED3D_LOCATION_TEXTURE_RGB);
}
