#include "main/context.h"
#include "main/teximage.h"
#include "main/blend.h"
+#include "main/bufferobj.h"
+#include "main/enums.h"
#include "main/fbobject.h"
+#include "main/image.h"
#include "main/renderbuffer.h"
#include "main/glformats.h"
#include "brw_defines.h"
#include "brw_meta_util.h"
#include "brw_state.h"
+#include "intel_buffer_objects.h"
#include "intel_fbo.h"
#include "common/gen_debug.h"
return mask;
}
+static struct brw_bo *
+blorp_get_client_bo(struct brw_context *brw,
+ unsigned w, unsigned h, unsigned d,
+ GLenum target, GLenum format, GLenum type,
+ const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ uint32_t *offset_out, uint32_t *row_stride_out,
+ uint32_t *image_stride_out, bool read_only)
+{
+ /* Account for SKIP_PIXELS, SKIP_ROWS, ALIGNMENT, and SKIP_IMAGES */
+ const GLuint dims = _mesa_get_texture_dimensions(target);
+ const uint32_t first_pixel = _mesa_image_offset(dims, packing, w, h,
+ format, type, 0, 0, 0);
+ const uint32_t last_pixel = _mesa_image_offset(dims, packing, w, h,
+ format, type,
+ d - 1, h - 1, w);
+ const uint32_t stride = _mesa_image_row_stride(packing, w, format, type);
+ const uint32_t cpp = _mesa_bytes_per_pixel(format, type);
+ const uint32_t size = last_pixel - first_pixel;
+
+ *row_stride_out = stride;
+ *image_stride_out = _mesa_image_image_stride(packing, w, h, format, type);
+
+ if (_mesa_is_bufferobj(packing->BufferObj)) {
+ const uint32_t offset = first_pixel + (intptr_t)pixels;
+ if (!read_only && ((offset % cpp) || (stride % cpp))) {
+ perf_debug("Bad PBO alignment; fallback to CPU mapping\n");
+ return NULL;
+ }
+
+ /* This is a user-provided PBO. We just need to get the BO out */
+ struct intel_buffer_object *intel_pbo =
+ intel_buffer_object(packing->BufferObj);
+ struct brw_bo *bo =
+ intel_bufferobj_buffer(brw, intel_pbo, offset, size, !read_only);
+
+ /* We take a reference to the BO so that the caller can just always
+ * unref without having to worry about whether it's a user PBO or one
+ * we created.
+ */
+ brw_bo_reference(bo);
+
+ *offset_out = offset;
+ return bo;
+ } else {
+ /* Someone should have already checked that there is data to upload. */
+ assert(pixels);
+
+ /* Creating a temp buffer currently only works for upload */
+ assert(read_only);
+
+ /* This is not a user-provided PBO. Instead, pixels is a pointer to CPU
+ * data which we need to copy into a BO.
+ */
+ struct brw_bo *bo =
+ brw_bo_alloc(brw->bufmgr, "tmp_tex_subimage_src", size, 64);
+ if (bo == NULL) {
+ perf_debug("intel_texsubimage: temp bo creation failed: size = %u\n",
+ size);
+ return NULL;
+ }
+
+ if (brw_bo_subdata(bo, 0, size, pixels + first_pixel)) {
+ perf_debug("intel_texsubimage: temp bo upload failed\n");
+ brw_bo_unreference(bo);
+ return NULL;
+ }
+
+ *offset_out = 0;
+ return bo;
+ }
+}
+
+/* Consider all the restrictions and determine the format of the source. */
+static mesa_format
+blorp_get_client_format(struct brw_context *brw,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *packing)
+{
+ if (brw->ctx._ImageTransferState)
+ return MESA_FORMAT_NONE;
+
+ if (packing->SwapBytes || packing->LsbFirst || packing->Invert) {
+ perf_debug("intel_texsubimage_blorp: unsupported gl_pixelstore_attrib\n");
+ return MESA_FORMAT_NONE;
+ }
+
+ if (format != GL_RED &&
+ format != GL_RG &&
+ format != GL_RGB &&
+ format != GL_BGR &&
+ format != GL_RGBA &&
+ format != GL_BGRA &&
+ format != GL_ALPHA &&
+ format != GL_RED_INTEGER &&
+ format != GL_RG_INTEGER &&
+ format != GL_RGB_INTEGER &&
+ format != GL_BGR_INTEGER &&
+ format != GL_RGBA_INTEGER &&
+ format != GL_BGRA_INTEGER) {
+ perf_debug("intel_texsubimage_blorp: %s not supported",
+ _mesa_enum_to_string(format));
+ return MESA_FORMAT_NONE;
+ }
+
+ return _mesa_tex_format_from_format_and_type(&brw->ctx, format, type);
+}
+
+static bool
+need_signed_unsigned_int_conversion(mesa_format src_format,
+ mesa_format dst_format)
+{
+ const GLenum src_type = _mesa_get_format_datatype(src_format);
+ const GLenum dst_type = _mesa_get_format_datatype(dst_format);
+ return (src_type == GL_INT && dst_type == GL_UNSIGNED_INT) ||
+ (src_type == GL_UNSIGNED_INT && dst_type == GL_INT);
+}
+
+bool
+brw_blorp_upload_miptree(struct brw_context *brw,
+ struct intel_mipmap_tree *dst_mt,
+ mesa_format dst_format,
+ uint32_t level, uint32_t x, uint32_t y, uint32_t z,
+ uint32_t width, uint32_t height, uint32_t depth,
+ GLenum target, GLenum format, GLenum type,
+ const void *pixels,
+ const struct gl_pixelstore_attrib *packing)
+{
+ const mesa_format src_format =
+ blorp_get_client_format(brw, format, type, packing);
+ if (src_format == MESA_FORMAT_NONE)
+ return false;
+
+ if (!brw->mesa_format_supports_render[dst_format]) {
+ perf_debug("intel_texsubimage: can't use %s as render target\n",
+ _mesa_get_format_name(dst_format));
+ return false;
+ }
+
+ /* This function relies on blorp_blit to upload the pixel data to the
+ * miptree. But, blorp_blit doesn't support signed to unsigned or
+ * unsigned to signed integer conversions.
+ */
+ if (need_signed_unsigned_int_conversion(src_format, dst_format))
+ return false;
+
+ uint32_t src_offset, src_row_stride, src_image_stride;
+ struct brw_bo *src_bo =
+ blorp_get_client_bo(brw, width, height, depth,
+ target, format, type, pixels, packing,
+ &src_offset, &src_row_stride,
+ &src_image_stride, true);
+ if (src_bo == NULL)
+ return false;
+
+ /* Now that source is offset to correct starting point, adjust the
+ * given dimensions to treat 1D arrays as 2D.
+ */
+ if (target == GL_TEXTURE_1D_ARRAY) {
+ assert(depth == 1);
+ assert(z == 0);
+ depth = height;
+ height = 1;
+ z = y;
+ y = 0;
+ src_image_stride = src_row_stride;
+ }
+
+ intel_miptree_check_level_layer(dst_mt, level, z + depth - 1);
+
+ bool result = false;
+
+ /* Blit slice-by-slice creating a single-slice miptree for each layer. Even
+ * in case of linear buffers hardware wants image arrays to be aligned by
+ * four rows. This way hardware only gets one image at a time and any
+ * source alignment will do.
+ */
+ for (unsigned i = 0; i < depth; ++i) {
+ struct intel_mipmap_tree *src_mt = intel_miptree_create_for_bo(
+ brw, src_bo, src_format,
+ src_offset + i * src_image_stride,
+ width, height, 1,
+ src_row_stride, 0);
+
+ if (!src_mt) {
+ perf_debug("intel_texsubimage: miptree creation for src failed\n");
+ goto err;
+ }
+
+ /* In case exact match is needed, copy using equivalent UINT formats
+ * preventing hardware from changing presentation for SNORM -1.
+ */
+ if (src_mt->format == dst_format) {
+ brw_blorp_copy_miptrees(brw, src_mt, 0, 0,
+ dst_mt, level, z + i,
+ 0, 0, x, y, width, height);
+ } else {
+ brw_blorp_blit_miptrees(brw, src_mt, 0, 0,
+ src_format, SWIZZLE_XYZW,
+ dst_mt, level, z + i,
+ dst_format,
+ 0, 0, width, height,
+ x, y, x + width, y + height,
+ GL_NEAREST, false, false, false, false);
+ }
+
+ intel_miptree_release(&src_mt);
+ }
+
+ result = true;
+
+err:
+ brw_bo_unreference(src_bo);
+
+ return result;
+}
+
+bool
+brw_blorp_download_miptree(struct brw_context *brw,
+ struct intel_mipmap_tree *src_mt,
+ mesa_format src_format, uint32_t src_swizzle,
+ uint32_t level, uint32_t x, uint32_t y, uint32_t z,
+ uint32_t width, uint32_t height, uint32_t depth,
+ GLenum target, GLenum format, GLenum type,
+ bool y_flip, const void *pixels,
+ const struct gl_pixelstore_attrib *packing)
+{
+ const mesa_format dst_format =
+ blorp_get_client_format(brw, format, type, packing);
+ if (dst_format == MESA_FORMAT_NONE)
+ return false;
+
+ if (!brw->mesa_format_supports_render[dst_format]) {
+ perf_debug("intel_texsubimage: can't use %s as render target\n",
+ _mesa_get_format_name(dst_format));
+ return false;
+ }
+
+ /* This function relies on blorp_blit to download the pixel data from the
+ * miptree. But, blorp_blit doesn't support signed to unsigned or unsigned
+ * to signed integer conversions.
+ */
+ if (need_signed_unsigned_int_conversion(src_format, dst_format))
+ return false;
+
+ /* We can't fetch from LUMINANCE or intensity as that would require a
+ * non-trivial swizzle.
+ */
+ switch (_mesa_get_format_base_format(src_format)) {
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ return false;
+ default:
+ break;
+ }
+
+ /* This pass only works for PBOs */
+ assert(_mesa_is_bufferobj(packing->BufferObj));
+
+ uint32_t dst_offset, dst_row_stride, dst_image_stride;
+ struct brw_bo *dst_bo =
+ blorp_get_client_bo(brw, width, height, depth,
+ target, format, type, pixels, packing,
+ &dst_offset, &dst_row_stride,
+ &dst_image_stride, false);
+ if (dst_bo == NULL)
+ return false;
+
+ /* Now that source is offset to correct starting point, adjust the
+ * given dimensions to treat 1D arrays as 2D.
+ */
+ if (target == GL_TEXTURE_1D_ARRAY) {
+ assert(depth == 1);
+ assert(z == 0);
+ depth = height;
+ height = 1;
+ z = y;
+ y = 0;
+ dst_image_stride = dst_row_stride;
+ }
+
+ intel_miptree_check_level_layer(src_mt, level, z + depth - 1);
+
+ int y0 = y;
+ int y1 = y + height;
+ if (y_flip) {
+ apply_y_flip(&y0, &y1, minify(src_mt->surf.phys_level0_sa.height,
+ level - src_mt->first_level));
+ }
+
+ bool result = false;
+
+ /* Blit slice-by-slice creating a single-slice miptree for each layer. Even
+ * in case of linear buffers hardware wants image arrays to be aligned by
+ * four rows. This way hardware only gets one image at a time and any
+ * source alignment will do.
+ */
+ for (unsigned i = 0; i < depth; ++i) {
+ struct intel_mipmap_tree *dst_mt = intel_miptree_create_for_bo(
+ brw, dst_bo, dst_format,
+ dst_offset + i * dst_image_stride,
+ width, height, 1,
+ dst_row_stride, 0);
+
+ if (!dst_mt) {
+ perf_debug("intel_texsubimage: miptree creation for src failed\n");
+ goto err;
+ }
+
+ /* In case exact match is needed, copy using equivalent UINT formats
+ * preventing hardware from changing presentation for SNORM -1.
+ */
+ if (dst_mt->format == src_format && !y_flip &&
+ src_swizzle == SWIZZLE_XYZW) {
+ brw_blorp_copy_miptrees(brw, src_mt, level, z + i,
+ dst_mt, 0, 0,
+ x, y, 0, 0, width, height);
+ } else {
+ brw_blorp_blit_miptrees(brw, src_mt, level, z + i,
+ src_format, src_swizzle,
+ dst_mt, 0, 0, dst_format,
+ x, y0, x + width, y1,
+ 0, 0, width, height,
+ GL_NEAREST, false, y_flip, false, false);
+ }
+
+ intel_miptree_release(&dst_mt);
+ }
+
+ result = true;
+
+err:
+ brw_bo_unreference(dst_bo);
+
+ return result;
+}
+
static bool
set_write_disables(const struct intel_renderbuffer *irb,
const GLubyte *color_mask, bool *color_write_disable)
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