GLuint width0,
GLuint height0,
GLuint depth0,
+ GLuint layers,
GLuint bind )
{
struct pipe_resource pt, *newtex;
struct pipe_screen *screen = st->pipe->screen;
- assert(target <= PIPE_TEXTURE_CUBE);
+ assert(target < PIPE_MAX_TEXTURE_TYPES);
assert(width0 > 0);
assert(height0 > 0);
assert(depth0 > 0);
+ if (target == PIPE_TEXTURE_CUBE)
+ assert(layers == 6);
DBG("%s target %s format %s last_level %d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),
pt.width0 = width0;
pt.height0 = height0;
pt.depth0 = depth0;
+ pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : layers);
pt.usage = PIPE_USAGE_DEFAULT;
pt.bind = bind;
pt.flags = 0;
}
+/**
+ * In OpenGL the number of 1D array texture layers is the "height" and
+ * the number of 2D array texture layers is the "depth". In Gallium the
+ * number of layers in an array texture is a separate 'array_size' field.
+ * This function converts dimensions from the former to the later.
+ */
+void
+st_gl_texture_dims_to_pipe_dims(GLenum texture,
+ GLuint widthIn,
+ GLuint heightIn,
+ GLuint depthIn,
+ GLuint *widthOut,
+ GLuint *heightOut,
+ GLuint *depthOut,
+ GLuint *layersOut)
+{
+ switch (texture) {
+ case GL_TEXTURE_1D:
+ assert(heightIn == 1);
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = heightIn;
+ break;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_RECTANGLE:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 6;
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = depthIn;
+ break;
+ default:
+ assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()");
+ /* fall-through */
+ case GL_TEXTURE_3D:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = depthIn;
+ *layersOut = 1;
+ break;
+ }
+}
+
+
/**
* Check if a texture image can be pulled into a unified mipmap texture.
*/
const struct gl_texture_image *image,
GLuint face, GLuint level)
{
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+
/* Images with borders are never pulled into mipmap textures.
*/
if (image->Border)
if (st_mesa_format_to_pipe_format(image->TexFormat) != pt->format)
return GL_FALSE;
+ st_gl_texture_dims_to_pipe_dims(image->TexObject->Target,
+ image->Width, image->Height, image->Depth,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+
/* Test if this image's size matches what's expected in the
* established texture.
*/
- if (image->Width != u_minify(pt->width0, level) ||
- image->Height != u_minify(pt->height0, level) ||
- image->Depth != u_minify(pt->depth0, level))
+ if (ptWidth != u_minify(pt->width0, level) ||
+ ptHeight != u_minify(pt->height0, level) ||
+ ptDepth != u_minify(pt->depth0, level) ||
+ ptLayers != pt->array_size)
return GL_FALSE;
return GL_TRUE;
*/
GLubyte *
st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
- GLuint zoffset, enum pipe_transfer_usage usage,
+ GLuint zoffset, enum pipe_transfer_usage usage,
GLuint x, GLuint y, GLuint w, GLuint h)
{
struct pipe_context *pipe = st->pipe;
DBG("%s \n", __FUNCTION__);
- stImage->transfer = pipe_get_transfer(st->pipe, pt, stImage->face,
- stImage->level, zoffset,
- usage, x, y, w, h);
+ stImage->transfer = pipe_get_transfer(st->pipe, pt, stImage->level,
+ stImage->face + zoffset,
+ usage, x, y, w, h);
if (stImage->transfer)
return pipe_transfer_map(pipe, stImage->transfer);
GLuint src_row_stride, GLuint src_image_stride)
{
struct pipe_context *pipe = st->pipe;
- GLuint depth = u_minify(dst->depth0, level);
GLuint i;
const GLubyte *srcUB = src;
struct pipe_transfer *dst_transfer;
+ GLuint layers;
+
+ if (dst->target == PIPE_TEXTURE_1D_ARRAY ||
+ dst->target == PIPE_TEXTURE_2D_ARRAY)
+ layers = dst->array_size;
+ else
+ layers = u_minify(dst->depth0, level);
DBG("%s\n", __FUNCTION__);
- for (i = 0; i < depth; i++) {
- dst_transfer = pipe_get_transfer(st->pipe, dst, face, level, i,
- PIPE_TRANSFER_WRITE, 0, 0,
- u_minify(dst->width0, level),
- u_minify(dst->height0, level));
+ for (i = 0; i < layers; i++) {
+ dst_transfer = pipe_get_transfer(st->pipe, dst, level, face + i,
+ PIPE_TRANSFER_WRITE, 0, 0,
+ u_minify(dst->width0, level),
+ u_minify(dst->height0, level));
st_surface_data(pipe, dst_transfer,
0, 0, /* dstx, dsty */
src_row_stride,
0, 0, /* source x, y */
u_minify(dst->width0, level),
- u_minify(dst->height0, level)); /* width, height */
+ u_minify(dst->height0, level)); /* width, height */
pipe->transfer_destroy(pipe, dst_transfer);
static void
print_center_pixel(struct pipe_context *pipe, struct pipe_resource *src)
{
- struct pipe_subresource rect;
struct pipe_transfer *xfer;
struct pipe_box region;
ubyte *map;
- rect.face = 0;
- rect.level = 0;
-
region.x = src->width0 / 2;
region.y = src->height0 / 2;
region.z = 0;
region.height = 1;
region.depth = 1;
- xfer = pipe->get_transfer(pipe, src, rect, PIPE_TRANSFER_READ, ®ion);
+ xfer = pipe->get_transfer(pipe, src, 0, PIPE_TRANSFER_READ, ®ion);
map = pipe->transfer_map(pipe, xfer);
printf("center pixel: %d %d %d %d\n", map[0], map[1], map[2], map[3]);
struct pipe_resource *src, GLuint srcLevel,
GLuint face)
{
- GLuint width = u_minify(dst->width0, dstLevel);
- GLuint height = u_minify(dst->height0, dstLevel);
- GLuint depth = u_minify(dst->depth0, dstLevel);
- struct pipe_subresource dstsub, srcsub;
+ GLuint width = u_minify(dst->width0, dstLevel);
+ GLuint height = u_minify(dst->height0, dstLevel);
+ GLuint depth = u_minify(dst->depth0, dstLevel);
+ struct pipe_box src_box;
GLuint i;
assert(u_minify(src->width0, srcLevel) == width);
assert(u_minify(src->height0, srcLevel) == height);
assert(u_minify(src->depth0, srcLevel) == depth);
- dstsub.face = face;
- dstsub.level = dstLevel;
- srcsub.face = face;
- srcsub.level = srcLevel;
+ src_box.x = 0;
+ src_box.y = 0;
+ src_box.width = width;
+ src_box.height = height;
+ src_box.depth = 1;
/* Loop over 3D image slices */
- for (i = 0; i < depth; i++) {
+ /* could (and probably should) use "true" 3d box here -
+ but drivers can't quite handle it yet */
+ for (i = face; i < face + depth; i++) {
+ src_box.z = i;
if (0) {
print_center_pixel(pipe, src);
pipe->resource_copy_region(pipe,
dst,
- dstsub,
+ dstLevel,
0, 0, i,/* destX, Y, Z */
src,
- srcsub,
- 0, 0, i,/* srcX, Y, Z */
- width, height);
+ srcLevel,
+ &src_box);
}
}