GLuint width0,
GLuint height0,
GLuint depth0,
+ GLuint layers,
+ GLuint nr_samples,
GLuint bind )
{
struct pipe_resource pt, *newtex;
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),
- _mesa_lookup_enum_by_nr(format), last_level);
+ DBG("%s target %d format %s last_level %d\n", __FUNCTION__,
+ (int) target, util_format_name(format), last_level);
assert(format);
assert(screen->is_format_supported(screen, format, target, 0,
- PIPE_BIND_SAMPLER_VIEW, 0));
+ PIPE_BIND_SAMPLER_VIEW));
memset(&pt, 0, sizeof(pt));
pt.target = target;
pt.width0 = width0;
pt.height0 = height0;
pt.depth0 = depth0;
- pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : 1);
+ pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : layers);
pt.usage = PIPE_USAGE_DEFAULT;
pt.bind = bind;
pt.flags = 0;
+ pt.nr_samples = nr_samples;
newtex = screen->resource_create(screen, &pt);
}
+/**
+ * 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:
+ case GL_PROXY_TEXTURE_1D:
+ assert(heightIn == 1);
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ case GL_PROXY_TEXTURE_1D_ARRAY:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = heightIn;
+ break;
+ case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
+ case GL_TEXTURE_RECTANGLE:
+ case GL_PROXY_TEXTURE_RECTANGLE:
+ case GL_TEXTURE_EXTERNAL_OES:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_PROXY_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 6;
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_PROXY_TEXTURE_2D_ARRAY:
+ case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = depthIn;
+ break;
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_PROXY_TEXTURE_CUBE_MAP_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:
+ case GL_PROXY_TEXTURE_3D:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = depthIn;
+ *layersOut = 1;
+ break;
+ }
+}
+
+
/**
* Check if a texture image can be pulled into a unified mipmap texture.
*/
GLboolean
st_texture_match_image(const struct pipe_resource *pt,
- const struct gl_texture_image *image,
- GLuint face, GLuint level)
+ const struct gl_texture_image *image)
{
+ 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, image->Level) ||
+ ptHeight != u_minify(pt->height0, image->Level) ||
+ ptDepth != u_minify(pt->depth0, image->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 x, GLuint y, GLuint w, GLuint h)
+ enum pipe_transfer_usage usage,
+ GLuint x, GLuint y, GLuint z,
+ GLuint w, GLuint h, GLuint d)
{
- struct pipe_context *pipe = st->pipe;
- struct pipe_resource *pt = stImage->pt;
+ struct st_texture_object *stObj =
+ st_texture_object(stImage->base.TexObject);
+ GLuint level;
DBG("%s \n", __FUNCTION__);
- stImage->transfer = pipe_get_transfer(st->pipe, pt, stImage->level,
- stImage->face + zoffset,
- usage, x, y, w, h);
+ if (!stImage->pt)
+ return NULL;
- if (stImage->transfer)
- return pipe_transfer_map(pipe, stImage->transfer);
+ if (stObj->pt != stImage->pt)
+ level = 0;
else
- return NULL;
+ level = stImage->base.Level;
+
+ return pipe_transfer_map_3d(st->pipe, stImage->pt, level, usage,
+ x, y, z + stImage->base.Face,
+ w, h, d, &stImage->transfer);
}
DBG("%s\n", __FUNCTION__);
pipe_transfer_unmap(pipe, stImage->transfer);
-
- pipe->transfer_destroy(pipe, stImage->transfer);
-}
-
-
-
-/**
- * Upload data to a rectangular sub-region. Lots of choices how to do this:
- *
- * - memcpy by span to current destination
- * - upload data as new buffer and blit
- *
- * Currently always memcpy.
- */
-static void
-st_surface_data(struct pipe_context *pipe,
- struct pipe_transfer *dst,
- unsigned dstx, unsigned dsty,
- const void *src, unsigned src_stride,
- unsigned srcx, unsigned srcy, unsigned width, unsigned height)
-{
- void *map = pipe_transfer_map(pipe, dst);
-
- assert(dst->resource);
- util_copy_rect(map,
- dst->resource->format,
- dst->stride,
- dstx, dsty,
- width, height,
- src, src_stride,
- srcx, srcy);
-
- pipe_transfer_unmap(pipe, dst);
+ stImage->transfer = NULL;
}
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;
- DBG("%s\n", __FUNCTION__);
+ if (dst->target == PIPE_TEXTURE_1D_ARRAY ||
+ dst->target == PIPE_TEXTURE_2D_ARRAY ||
+ dst->target == PIPE_TEXTURE_CUBE_ARRAY)
+ layers = dst->array_size;
+ else
+ layers = u_minify(dst->depth0, level);
- for (i = 0; i < depth; 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));
+ DBG("%s\n", __FUNCTION__);
- st_surface_data(pipe, dst_transfer,
- 0, 0, /* dstx, dsty */
- srcUB,
- src_row_stride,
- 0, 0, /* source x, y */
- u_minify(dst->width0, level),
- u_minify(dst->height0, level)); /* width, height */
+ for (i = 0; i < layers; i++) {
+ struct pipe_box box;
+ u_box_2d_zslice(0, 0, face + i,
+ u_minify(dst->width0, level),
+ u_minify(dst->height0, level),
+ &box);
- pipe->transfer_destroy(pipe, dst_transfer);
+ pipe->transfer_inline_write(pipe, dst, level, PIPE_TRANSFER_WRITE,
+ &box, srcUB, src_row_stride, 0);
srcUB += src_image_stride;
}
region.height = 1;
region.depth = 1;
- xfer = pipe->get_transfer(pipe, src, 0, PIPE_TRANSFER_READ, ®ion);
- map = pipe->transfer_map(pipe, xfer);
+ map = pipe->transfer_map(pipe, src, 0, PIPE_TRANSFER_READ, ®ion, &xfer);
printf("center pixel: %d %d %d %d\n", map[0], map[1], map[2], map[3]);
pipe->transfer_unmap(pipe, xfer);
- pipe->transfer_destroy(pipe, xfer);
}
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);
+ if (u_minify(src->width0, srcLevel) != width ||
+ u_minify(src->height0, srcLevel) != height ||
+ u_minify(src->depth0, srcLevel) != depth) {
+ /* The source image size doesn't match the destination image size.
+ * This can happen in some degenerate situations such as rendering to a
+ * cube map face which was set up with mismatched texture sizes.
+ */
+ return;
+ }
src_box.x = 0;
src_box.y = 0;
}
}
+
+struct pipe_resource *
+st_create_color_map_texture(struct gl_context *ctx)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_resource *pt;
+ enum pipe_format format;
+ const uint texSize = 256; /* simple, and usually perfect */
+
+ /* find an RGBA texture format */
+ format = st_choose_format(st, GL_RGBA, GL_NONE, GL_NONE,
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
+ FALSE);
+
+ /* create texture for color map/table */
+ pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,
+ texSize, texSize, 1, 1, 0, PIPE_BIND_SAMPLER_VIEW);
+ return pt;
+}
+